iRacing - 2025 Season 1 Launch Notes

iRacing has launched the brand new 2025 Season 1 construct introducing new upgrades, options, and fixes, alongside some attention-grabbing new content material together with 5 new automobiles, two new tracks, and an up to date observe with new layouts.

Test the total changelog under.

Season highlights embrace:

Acura NSX GT3 EVO 22
BMW M2 CSR [FREE!]
Ferrari 499P
Supercars Chevrolet Camaro Gen 3
Supercars Ford Mustang Gen 3
Huset’s Speedway
Thruxton Circuit
New Hampshire Motor Speedway (2024 Artwork Improve)
Demo Drive
Particles Refresh
Netcode Enhancements
Specular Lighting Improve
Spotter Injury Results Report
AI Flashing Conduct
System Vee and ALL FIVE new automobiles are all Rain-Prepared
SIX new automobiles for AI Racing (Acura NSX GT3 EVO 22, BMW M2 CSR, Ferrari 499P, Supercars Chevrolet Camaro Gen 3, Supercars Ford Mustang Gen 3, and Williams FW31)
THREE new tracks and configs for AI Racing (Thruxton Circuit, New Hampshire Motor Speedway -Highway Course & Highway Course with North Oval)
Over 400 fortunately crafted iRacing car setups

Changelog:

iRACING:

Demo Drive

After the 2025 Season 1 Launch, the outdated Check Drive service (https://testdrive.iracing.com) is to be discontinued, and as a substitute we’ll have built-in the system immediately into the iRacing launcher – it’s now known as Demo Drive!
– – With this modification, there are not separate credentials wanted to drive whereas iRacing is in upkeep. As an alternative, this service makes use of the identical credentials you already use to log in to iRacing and the iRacing Boards.
Everytime you launch iRacing whereas we’re down for upkeep, chances are you’ll now hook up with Demo Drive, which helps you to drive any content material that’s in your machine, as long as it’s updated.
– – Choose a Automotive, Monitor, Show mode, and begin driving!
After we go away upkeep mode, Demo Drive will stay operating for a time period and a countdown will seem to let members understand how lengthy it’ll stay up. Navigation hyperlinks to and from Demo Drive can be out there in iRacing when Demo Drive is accessible.
As with the Check Drive Service earlier than it, newly launched content material is not going to be out there in Demo Drive till the next Season.

Season Recap

A brand new “Recaps” tab has been added to the Profile Web page of iRacing!
– – Right here, you may see a custom-made recap of your efficiency stats for the earlier season and yr on iRacing. This new function homes the season recaps that had been beforehand emailed to Members, with the addition of latest yearly recaps!
– – You may as well view your Recaps within the Companion App, through a brand new Recap part on the Profile Web page!

Settings

Now we have redesigned the Settings web page to boost usability and group. The Settings at the moment are out there on a devoted full-page interface as a substitute of a modal window. This replace introduces a tabbed structure with clearly outlined sections: Common, Preferences, Community, and About.
– – Common: Handle fundamental account settings and show choices.
– – Preferences: Customise your consumer expertise with customized settings.
– – Community: Configure connectivity and data-related choices.
– – About: Entry details about the appliance, together with model particulars and assist sources.

Outcomes & Stats

Mounted a problem the place the Driver Standings web page may present a special License Class than the motive force’s profile web page.

Paint Store

DOF Actuality paint store sponsor brand has been up to date.

Protests

A brand new entry has been added to the Protest Violations checklist: Unsafe Rejoin.

Sporting Code

A wide range of Sporting Code modifications and updates have been made together with: higher outlined the protection of the iRacing Official Sporting Code, up to date and improved all references to penalties and their sorts, added sections describing the Tempo Automotive and Rallycross Racing, a number of new Glossary phrases have been added, inner doc hyperlinks have been fastened, and a brand new protestable offense, Unsafe Rejoin, has been added.

Legacy Membersite

Endpoints on the Legacy Membersite which were out there for scraping information will stop to operate on March 11, 2025 (2025 Season 2 Launch).
All third events are anticipated to be utilizing the endpoints out there within the /information API. For extra info, please reference the next posts within the boards:
– – https://boards.iracing.com/dialogue/15068/general-availability-of-data-api/p1
– – Unique Announcement: https://boards.iracing.com/dialogue/62065/notice-for-season-3-2024-summary-of-legacy-membersite-features-sunset

SIMULATION:

Utility

Some underlying program parameters have been up to date and iRacing now explicitly is not going to assist any working system older than Home windows 10.

Race Servers

Mounted a problem the place the time of day offset for begin time was not being utilized to the ultimate Session timeslot of any occasion for Official Racing.

Connectivity

Modifications have been made to NetCode to clean including automobiles again into the world and cut back incidence of extrapolated automobile vs floor collisions. This solves a problem that would happen the place drivers with poor connections may have their automobiles exert extreme forces when their place on this planet was up to date.

Dynamic Monitor

The dynamic observe particles system has obtained an overhaul, including new forms of particles, enhancing their physics properties, upgrading their look, and vastly enhancing how particles is generated and strikes across the observe over time.
Gravel has been added as a brand new Dynamic Monitor particles sort. Gravel may be discovered on quite a lot of off-track surfaces and reduces tire grip on racing surfaces.
Mud has been added as a brand new Dynamic Monitor particles sort. Mud is generated when tires tear up the grass, and behaves like a mixture of grime and water.
The grip changes and physics behaviors utilized by the assorted Dynamic Monitor particles sorts have been fine-tuned by science.
Dynamic Monitor particles accumulation and dispersion algorithms have been improved, with far superior monitoring and accuracy for the quantities and places of all particles of all sorts all over the place on this planet.
Dynamic Monitor particles pick-up and throw logic and parameters for tires of varied constructions have been up to date.
Particles of all sorts can now be held on the automobile physique itself, as a substitute of solely tires, and it could be shed based mostly on velocity modifications.
Adjusted the quantity of particles picked up by tires based mostly on the wetness of the observe, tire, and particles sort.
Aerodynamic results pick-up and transfer observe particles.
Improved the textures and rendering of all Dynamic Monitor particles sorts to make them simpler to see, particularly at a distance. This contains rubber marbles, grime, mud, grass, mud, and gravel.
Pit crews have been skilled to brush their pit stalls firstly of Classes – no particles begins in pit stalls.

iRacing Climate System

The System Vee has had its tires up to date, and is now prepared for moist racing!
ALL FIVE new automobiles include a set of rain tires along with their regular racing tires. Don’t neglect to swap if the climate is trying grim!
– – Acura NSX GT3 EVO 22
– – BMW M2 CSR
– – Ferrari 499P
– – Supercars Chevrolet Camaro Gen 3
– – Supercars Ford Mustang Gen 3
Improved the precision for dealing with the beginning and finish occasions for Classes inside an occasion, and carrying the climate and water states by way of the simulated interim to the subsequent Session.
Water spray will now work together with discarded car components.
Up to date a repair for an older difficulty the place water ranges had been re-rendering every time a digicam approached – inflicting the form and stage of the water to always morph or flicker.
The results of evaporation on temperature earlier than an occasion begins have been up to date. Now, even with static climate or at grime tracks, moisture and observe temperatures are extra correct.
Mounted a problem that would happen at Oval tracks utilizing Timeline Mode Climate the place native rain was not accurately forbidden to fall throughout classes if the “No Rain” possibility was enabled. This was traced again to a regional vs nationwide climate governance dispute which our legal professionals dealt with brilliantly.

Race Management

Cautions at the moment are disallowed if the White Flag has been raised.
– – This fixes a problem the place Computerized Full Course Yellow may be thrown after the chief begins their white flag lap.
– – This fixes a problem the place a Yellow Flag may be thrown on GWC (Inexperienced/White/Checker) restart if a crash happens earlier than the Begin/End line.
For Dust Ovals with pitting enabled, and for Asphalt Ovals of dimension one mile, medium, and quick, lapped automobiles at the moment are allowed to pit with leaders throughout cautions, lowering warning sequence by a lap.
– – This has been completed as a part of making an attempt to scale back the size of warning race restarts. These modifications had been initially completed for longer ovals in 2020 and have been positively obtained.
– The brand new BMW M2 CSR has been enabled as a brand new tempo automobile that you could be choose for Fred, Flawless Wheelman, to drive!
Mounted a problem the place drivers may get penalized for passing different drivers and/or Fred’s Tempo Automotive underneath yellow after the race had ended.
Mounted a problem the place drivers had been unable to serve Drive-By means of Penalties on the ultimate lap earlier than getting disqualified.
Mounted a problem with Do Not Rely (DNC) Warning Laps the place the 2nd place driver was given the lead on consecutive cautions.
Mounted a problem the place drivers may slowly creep ahead on Standing Begins with out receiving a Leap Begin penalty.
Mounted a problem the place Barney would by no means throw the inexperienced flag if all drivers elected to begin from the pits. These had been very unexciting races.
Mounted a problem the place Fred, Flawless Wheelman, would drive the Tempo Automotive down pit street earlier than the race was over throughout a Inexperienced/White/Checker end.

Dust Racing

The preliminary bumpiness of grime oval racing surfaces has been decreased barely.

AI Racing

AI Racing now permits for as much as 16 automobile fashions for use in a single Session.
AI Drivers have been skilled within the historical artwork of headlight flashing when making ready to make a move. Should you’re of their manner, they’ll let you realize!
AI Drivers have gained a larger consciousness of their car positioning, and can now be assessed incident factors for “Out of Management” or “Working Off Monitor”, similar to their human counterparts.
AI Drivers at the moment are totally versed within the following content material:
– – Acura NSX GT3 EVO 22
– – BMW M2 CSR
– – Ferrari 499P
– – Supercars Chevrolet Camaro Gen 3
– – Supercars Ford Mustang Gen 3
– – Williams FW31
– – New Hampshire Motor Speedway – Highway Course
– – New Hampshire Motor Speedway – Highway Course with North Oval
– – Thruxton Circuit
A number of AI Autos have obtained updates which enhance their tire temperature modeling, making them much more correct and akin to a player-driven automobile. This improves AI Drivers’ accuracy and efficiency, particularly at excessive temperatures. The automobiles receiving this improve this Season embrace:
– – GTP Class Vehicles
– – Dallara P217
– – Ferrari 499P
– – World Mazda MX-5
– – Late Mannequin Inventory
– – Lotus 79
– – NASCAR Vehicles Collection Class Vehicles
– – SCCA Spec Racer Ford
– – Avenue Inventory Class Vehicles
The Autumn 2024 Classes for AI Driver College have come to an in depth. This semester noticed a pointy deal with the emulation of human behaviors and blurring the road between man and machine. The highest graduate tasks and displays included the next:
– – Headlight Flashing By means of the Ages – An Evolutionary Conduct Symposium
– – Taking Management of Your Life and Your Automotive with particular visitor automobile KITT
– – Underutilized Racing Ways: Passing on the Apron
– – A Geological Evaluation of Free Racing Surfaces
– – Studying from Nature: Observe Turtles Recovering from 180° Rolls
– – Accepting Hopelessness & Despair, and Understanding When to Reset!
– – Subsequent Semester Signal-Ups – Host a International Alternate Scholar from Microsoft AI
AI Drivers have accomplished some particular focus coaching, enhancing their ability, strains, rain racing-ability, efficiency, and extra with the next further content material:
– – GT3 Class Vehicles
– – Atlanta Motor Speedway
– – Circuit de Nevers Magny-Cours
– – Circuit Zolder
– – Lime Rock Park
– – MotorLand Aragón
– – New Hampshire Motor Speedway
– – Slinger Speedway – Oval
Mounted a problem in Multi-Class AI Racing the place the participant’s grid place might be incorrect.

Spotter

The Spotter has audited a number of the AI Driver College courses, and has grow to be extra versed in racing data. He’ll use this new discovered know-how to raised inform you of the injury state of your automobile, and the way that injury could influence your driving capacity. This contains the next new spotter calls and up to date calls:
– – Engine Injury: Engine energy losses together with slight, extreme, and totalled.
– – Aerodynamic Injury: High pace discount, downforce discount, and oversteer or understeer results.
– – Wheel Injury: Grip discount, and wheel alignment modifications.
– – These new messages will solely play if the spotter chattiness is about to “excessive”. A number of the present messages about injury have been moved from “excessive” to “medium” chattiness.
These new messages about how injury impacts your driving will even play throughout a requested injury report.
Spanish language Spotter Pack has been up to date, because of Ari Cejas!
Italian language Spotter Pack has been up to date, because of Renzo A. Olivieri!
Italian language Spotter Pack has been up to date, because of Marco Arcidiacono!

Pit Cease

The Auto Gas system has been added to all automobiles that had been lacking it. Some autos shouldn’t have Auto Gas both by design or for different causes, together with:
– – Dust Oval Vehicles (don’t refuel)
– – McLaren MP4-30 (by design)
– – Mercedes-AMG W12 E Efficiency (by design)
– – Mercedes-AMG W13 E Efficiency (by design)
– – Porsche Mission R (it’s electrical!)
– – Tremendous System SF23 (by design)
Mounted a problem the place gasoline fill quantities had been generally silently modified throughout driver swaps.

Graphics

Drastically improved the specular (reflectivity) rendering for all objects within the simulation, offering larger shade worth and lowering a white-washing impact that would happen.
– – This was a long-standing graphics difficulty the place specular maps had been primarily “double-exposed” by the solar in cubemaps, inflicting some blown-out, white-wash, or a milky tone in lots of textures. This additionally fixes a problem the place you can see the solar in reflections on surfaces that had been fully in shadow the place there needs to be no solar seen. Specular rendering is now far more real looking, with a larger vary of depth out there.
Dynamic Monitor Rendering is now all the time enabled throughout the simulator to make sure the correct expertise with rain and observe particles.
– – Low Shaders at the moment are out there for use always as they don’t seem to be depending on Dynamic Monitor Rendering being enabled.
The graphics choices for Anti-Aliasing have been up to date to be extra intuitive. Anti-Aliasing (AA) choices embrace: Off, FXAA, SMAA, and MSAA. Multisample Anti-Aliasing (MSAA) has its personal sub-set of graphics choices. Every of those settings at the moment are orange to convey a Simulation restart is required for these modifications to take impact.
Increased high quality filtering-options have been added for MSAA. These filters take into account a bigger variety of MSAA-samples, to enhance high quality with out growing value throughout geometry rendering. Filtered MSAAx2 ought to generally match the outdated MSAAx4. Choices out there embrace: 2x, 4x, and 8x. Sharpness of the filter may be tweaked utilizing the brand new filter-options, Easy, Comfortable, Impartial, and Sharp. The legacy possibility is accessible because the Easy filter.
Settings for Anisotropic Texture Filtering have been eliminated. They now all the time use x16.
A brand new entry “AutoNoDynEmptyLOD=1” has been added to the “rendererDX11.ini” file. This permits objects to make the most of a decrease Degree-of-Element (LOD) mannequin if wanted when dynamic LODs kick in.
Particles rendering has been reworked to enhance visibility in any respect distances.
Tonemapping has been improved to raised match the format anticipated by non-HDR displays. This removes a milky look that was notably noticeable at night time.
Display-House Ambient Occlusion (SSAO) has been closely optimized.
Sky-rendering has been up to date to enhance efficient decision.
The distortion impact of water shaders is now decreased if the water is extra shallow.
PopcornFX model has been up to date.
Mounted a problem the place we had been filtering lighting in our cubemap in addition to downsampling.
Mounted a problem the place specular maps (and their results) weren’t being rendered in mirrors.
Mounted a number of points with the Graphics and Replay Choices, particularly with how the efficiency class sliders operate, the place the choice may generally not change when dragged, or it was getting reset after restarting the Simulator.
Mounted a problem the place some particles had been showing close to the digicam as a substitute of wherever they need to have been showing.
Mounted a problem with some display screen area reflection shaders, particularly for rain, that weren’t correctly supporting single move stereo for VR nor MVP/SMP for triples.
Mounted a problem in cloud-rendering that was inflicting clear skies to not be as clear as they need to be.
Mounted a problem that would trigger odd lighting of crowds.
Mounted a problem inflicting SSAO to not be utilized on timber.

Audio

Audio spatial separation has been optimized for cockpit view cameras.
– – The in-car stereo and encompass sound array now has been improved, with a wider soundstage to permit for a more true illustration of our sound recordings that are largely completed in 360 or binaural codecs. This enhances realism and your driving auditory expertise for all sound methods starting from headsets, to stereo audio system, to encompass sound methods.
All members now have the audio API set to XAudio.
– – Whether it is obligatory, Direct Sound can nonetheless be utilized by setting it within the “app.ini” file. After operating the Simulator, within the “app.ini” file, “devSpeakerAPI” turns into “devSpeakerAPISelect” with a price of two. If you could use DirectSound to your {hardware} to operate, change this worth to 1.
A quantity slider has been added to the Replay Choices menu to manage the amount in Replay.
Curb sounds at excessive speeds for cameras contained in the cockpit have been improved.
Mounted a problem the place a code clock-smash might be triggered every time any audio machine properties had been modified.
Mounted a uncommon difficulty the place XAudio2 crashes.

Replay

Up to date the processing for Replays that had been captured with autos nonetheless utilizing the Unique Injury Mannequin.
Mounted a problem the place the Replay digicam may violently shake.

Controls

For all stockcars, power suggestions ought to now keep clean with out giant spikes when driving at about 25 mph.

CARS:

<Automotive Class> GTP Class Vehicles

These autos now accurately make the most of the MGUK whereas within the pits – besides the Ferrari 499P.
Tire mannequin and parameters have been up to date.
Convection cooling for tires has been up to date.
Rain tires have been up to date.
Plank shapes have been up to date to raised match the real-world skid positions.
Pit scripts have been up to date to permit altering of any two tires for a similar time value, decreased general time variance, and aligned refueling price to actual world guidelines (40 seconds to fill the tank).

<Automotive Class> NASCAR Cup Collection Class Vehicles

Storage tooltips have been up to date to elucidate that rear finish gear ratios have restricted choices at many tracks.

<Automotive Class> NASCAR Cup Collection Subsequent Gen Class Vehicles

Reworked aerodynamic injury penalties to offer larger downforce loss and a decreased drag penalty. Additionally, in case your engine or wheels maintain heavy sufficient injury, it could be past your pit crews’ expertise to restore – you’re toast!
Storage tooltips have been up to date to elucidate that rear finish gear ratios have restricted choices at many tracks.
Mounted a problem the place hood flaps weren’t deforming accurately when open or broken.
Mounted a driver animation hiccup.

<Automotive Class> NASCAR Legends 1987 Class Vehicles

Dashboard steel shade has been improved.
iRacing setups have been up to date.

<Automotive Class> NASCAR Truck Class Vehicles

Reworked aerodynamic injury penalties to offer larger downforce loss and a decreased drag penalty. Additionally, in case your engine or wheels maintain heavy sufficient injury, it could be past your pit crews’ expertise to restore – you’re toast!
Storage tooltips have been up to date to elucidate that rear finish gear ratios have restricted choices at many tracks.
iRacing setups have been up to date.

<Automotive Class> NASCAR Xfinity Collection Class Vehicles

Reworked aerodynamic injury penalties to offer larger downforce loss and a decreased drag penalty. Additionally, in case your engine or wheels maintain heavy sufficient injury, it could be past your pit crews’ expertise to restore – you’re toast!
iRacing setups have been up to date.

<Automotive Class> Avenue Inventory Class Vehicles

iRacing setups have been up to date.

<Automotive Class> Supercars – Gen 3

NEW CARS and NEW CAR CLASS!
TWO new automobiles have been added which comprise the model new Automotive Class, Supercars – Gen 3, together with the Supercars Chevrolet Camaro Gen 3, and the Supercars Ford Mustang Gen 3.
Since this can be a new era of Supercars, clients who had bought both the Supercars Ford Mustang GT or Supercars Holden ZB Commodore previous to the 2025 Season 1 Launch on December tenth have obtained iRacing credit based mostly on how just lately they accomplished that buy. If a buyer owned each automobiles, she or he obtained credit independently for every automobile based mostly on the date of buy. Prospects can view the iRacing Credit they had been awarded, if any, within the My Account > Account Historical past > Items Acquired Historical past. iRacing Credit awarded are based mostly on the next buy timetable historical past:
– – 0-90 days: 100% of buy worth
– – 91-180 days: 75% of buy worth
– – 181-One year: 50% of buy worth
– – 366+ days: 0% of buy worth
AI Drivers are totally skilled for racing with these autos!
These automobiles are rain-racing prepared!
– – These automobiles have a separate rain tire set, optimized for efficiency within the moist.
– – There may be presently a identified difficulty the place swapping to the rain tire compound throughout a pit cease doesn’t truly swap to the rain tire compound – as a substitute a brand new set of the dry compound tires are utilized. We’re nonetheless educating the pit crew the distinction, however relaxation assured we’ll have this Patched imminently!

Acura ARX-06 GTP

Rain tire properties have been up to date.
Aerodynamic properties have been up to date.

Acura NSX GT3 EVO 22

NEW CAR!
The Acura NSX GT3 EVO 22, a brand new Sports activities Automotive, is now out there for buy and racing!
– – Constructing off the successes of the unique NSX GT3, which debuted in 2017 and received dozens of races and the IMSA GTD championship, the Acura NSX GT3 EVO 22 made its debut for the 2022 IMSA WeatherTech SportsCar Championship season. It ended its debut season with a checkered flag on the Petit Le Mans for Gradient Racing, who had already given the EVO 22 its first IMSA podium at Lengthy Seaside earlier within the yr, and it added quite a few different victories and championships in different collection all over the world that very same yr. The NSX GT3 EVO 22 refined its predecessor’s dependable platform with re-tuned suspension geometry, upgraded intercoolers, and wheel system revisions, amongst different enhancements. At its coronary heart stays Acura’s 3.5-liter twin-turbocharged V6 engine, able to producing 520 horsepower. As with different GT3 machines, the automobile options adjustable traction management, anti-roll bars, and rear wing settings to assist drivers maximize efficiency.
Buy the Acura NSX GT3 EVO 22 from the iRacing retailer at this time!
AI Drivers are totally skilled for racing with this car!
This automobile is rain-racing prepared!
– – This automobile has a separate rain tire set, optimized for efficiency within the moist.

ARCA Menards Chevy / Gen 4 Cup

Rev restrict parameters for D-Field and exterior lights have been up to date.
(ARCA Menards Chevrolet Impala) – iRacing setups have been up to date.

BMW M2 CSR

NEW CAR!
The BMW M2 CSR, a brand new Sports activities Automotive, is now out there for racing!
– – BMW’s fashionable racing pedigree extends to all ranges of the sports activities automobile racing ladder, not simply the very highest ones. Its assist for observe day heroes and upcoming amateurs isn’t any extra obvious than within the M2 CSR, homologated for TCX class racing and competing internationally in its personal M2 CS Racing Cup. BMW Motorsport and BMW M collaborated to design the automobile after adapting key learnings from the creation of the M4 GT4 to entry-level racing. Weighing in at 3405 kilos and producing 365 horsepower from a 3.0-liter I6 engine in its Cup variant, the M2 CSR gives loads of energy for aspiring future stars who’re on the lookout for one thing that’s not fairly a GT4, but additionally sooner than many different entry-level autos. The automobile additionally includes a totally FIA-approved roll cage, racing rear wing and entrance splitter, and specifically tuned ABS system.
The BMW M2 CSR is FREE new iRacing base content material, and all Members can discover this automobile already parked of their storage!
AI Drivers are totally skilled for racing with this car!
This automobile is rain-racing prepared!
– – This automobile has a separate rain tire set, optimized for efficiency within the moist.

BMW M4 GT3

Exterior car textures have been up to date with darker plastics and firming down weathering results.
Mounted a problem the place windshield wipers had been shaking if driver arms had been disabled.

BMW M8 GTE

Lightmaps have been up to date.

BMW M Hybrid V8

Rain tires have been up to date.
Aerodynamic properties have been up to date.
Journey top sensors have been up to date to match our requirements: backside of the skids at axle centerlines.
Pit exit sounds have been improved.
Mounted a problem the place windshield wipers had been shaking if driver arms had been disabled.

Cadillac V-Collection.R GTP

Rain tire properties have been up to date.
Aerodynamic properties have been up to date.
Journey top sensors have been up to date to match our requirements: backside of the skids at axle centerlines.
Car audio for engine load dynamics, gearshift, ignition minimize, and backfire sounds have been improved.
Mounted a problem the place windshield wipers had been shaking if driver arms had been disabled.

Dallara F3

iRacing setups have been up to date.

Dallara IR18

Auto Gas lap margin could now be edited in a Mounted Setup race.
iRacing setups have been up to date.

Dallara P217

A full-scale car methods revamp has been accomplished for 2025 Season 1 to go well with the IMSA ’24 LMP2 rule set!
Dry and moist tire mannequin and parameter replace together with a big discount in tire hotter temperature to 35 C, take it simple on the outlap!
Aerodynamics and experience top measurement factors have been re-evaluated, this ends in considerably totally different experience top sensitivities, please evaluate the aero calculator within the storage for extra info.
The low downforce bundle is now solely out there (and compelled for use) at Le Mans with out dive planes fitted.
Collision hulls have been adjusted to coincide with the up to date experience top sensor places on the entrance and rear of the car plank centreline.
Mass and Inertia properties have been refined to go well with a minimal weight of 950 kg.
Engine parameters have been adjusted to go well with the brand new decrease rev limits of 8000 rpm for 1st – fifth gears and 8500 rpm for sixth gear.
Shift lights have been adjusted to go well with.
Gearbox shift timings have been up to date and the quick stack gear possibility has been eliminated.
Elevated vary of differential ramp choices (inverse ramp angle choices at the moment are out there for elevated flexibility).
The brake system has been refined with new brake pad definitions and the addition of non-obligatory grasp cylinder choices.
Suspension geometry has been refined and setup choices simplified whereas retaining comparable general performance. Bump rubber gaps at the moment are solely adjustable on the third parts whereas each linear and non-linear third aspect choices at the moment are out there.
Energy steering possibility vary has been decreased to 1-5 according to the car technical handbook, notice, the P/S help steps stay the identical as earlier than and the whole stage of help stays comparable.
Damper ranges have been expanded to offer elevated constancy.
Storage setup choices, tech suggestions and structure have all been revised to go well with.
Pitstop refueling time has been adjusted to fulfill IMSA ’24 guidelines, entrance dive planes and rear wing angle at the moment are pitstop adjustable.
Mounted a problem the place the entrance tires may disappear when seen from some cockpit cameras.
iRacing setups have been up to date, please learn the setup notes tab for additional setup info.

Dust Late Mannequin

For the injury mannequin, the entrance suspension hyperextension limits have been decreased and relaxation deflection has been adjusted.
The suspension system on opponent autos has been up to date to maneuver in alignment with their matching precise participant automobile.
iRacing setups have been up to date.

Dust Micro Dash Automotive

iRacing setups have been up to date.

Dust Midget

iRacing setups have been up to date.

Dust Mini Inventory

Improved the alignment of engine RPM lights throughout the Simulator, D-Field, and exterior {hardware}/shows.
iRacing setups have been up to date.

Dust Modified

The suspension system on opponent autos has been up to date to maneuver in alignment with their matching precise participant automobile.

Dust Dash Automotive

iRacing setups have been up to date.

Dust Dash Automotive Non-Winged

iRacing setups have been up to date.

Dust Avenue Inventory

iRacing setups have been up to date.

Dust UMP Modified

The suspension system on opponent autos has been up to date to maneuver in alignment with their matching precise participant automobile.
iRacing setups have been up to date.

Ferrari 499P

NEW CAR!
The Ferrari 499P, a brand new Sports activities Automotive, is now out there for racing!
– – Sports activities automobile racing followers from all over the world rejoiced when Ferrari unveiled its 499P prototype in late 2022. In any case, it ended a 50-year absence of factory-backed Ferrari prototypes competing on the sport’s highest stage—and the model celebrated its return by adopting 50 as its flagship automobile quantity within the course of. The 499P shortly established itself as a worldwide power to be reckoned with, successful Le Mans on its first attempt in 2023 and going back-to-back the subsequent yr as nicely. As with different top-tier prototypes competing on this planet’s main world collection, the 499P is powered by a 671 horsepower twin-turbo hybrid motor. Weighing in at simply 1120 kg, drivers will shortly cycle by way of its seven-speed sequential paddle shift to search out high pace at lengthy straightaways like these on the famed French circuit. Any driver who can discover the bounds of the 499P is among the many better of the very best in sports activities automobile racing, whether or not actual or digital.
Buy the Ferrari 499P from the iRacing retailer at this time!
AI Drivers are totally skilled for racing with this car!
This automobile is rain-racing prepared!
– – This automobile has a separate rain tire set, optimized for efficiency within the moist.

FIA F4

For the injury mannequin, some friction parameters have been adjusted.
The damper tooltip within the Storage has been up to date.
iRacing setups have been up to date.

System Vee

This automobile is rain-racing prepared!
– – Tires have been up to date to go well with moist situations.
Recognized and eliminated an idle background noise.

World Mazda MX-5

The AI model of this automobile has improved its tire temperature modeling, making it extra correct and akin to a player-driven automobile. This improves AI Drivers’ accuracy and efficiency, particularly at excessive temperatures.

Indy Professional 2000 PM-18

iRacing setups have been up to date.

Late Mannequin Inventory

The AI model of this automobile has improved its tire temperature modeling, making it extra correct and akin to a player-driven automobile. This improves AI Drivers’ accuracy and efficiency, particularly at excessive temperatures.
Aerodynamic parameters have been up to date.
The underside of the engine body has been raised barely to assist cut back the influence of bottoming.
iRacing setups have been up to date.

Legends Ford ’34 Coupe

iRacing setups have been up to date.

Lotus 49

Velocity references to the gear calculator within the storage have been added to make ratio choice simpler.
iRacing setups have been up to date.

Lotus 79

Tire parameters have been up to date.
The AI model of this automobile has improved its tire temperature modeling, making it extra correct and akin to a player-driven automobile. This improves AI Drivers’ accuracy and efficiency, particularly at excessive temperatures.
iRacing setups have been up to date.

McLaren 720S GT3 EVO

2025 Season 1 Steadiness of Efficiency modifications: Gas consumption price has been elevated barely, and tire parameters have been modified barely.
Rear suspension droop has been decreased and former setups at the moment are out of date.
iRacing setups have been up to date.

Mercedes-AMG W12 E Efficiency

Rear droop has been decreased barely.

Mini Inventory

When racing on grime, tire put on price has been decreased.
Improved the alignment of engine RPM lights throughout the Simulator, D-Field, and exterior {hardware}/shows.
Engine energy audio ranges have been tuned.

Modified – SK / NASCAR Whelen Tour Modified

(BOTH) – iRacing setups have been up to date.

NASCAR Cup Collection Subsequent Gen Ford Mustang

Mounted a problem the place the splitter may seem misaligned.

Porsche 911 GT3 Cup (992)

iRacing setups have been up to date.

Porsche 911 RSR

Mounted a problem the place the digital show was not being self-lit.

Porsche 963 GTP

Rain tire parameters have been up to date.
Aerodynamic properties have been up to date.
Up to date the textures for static wheels.

Radical SR10

iRacing setups have been up to date.

Ray FF1600

iRacing setups have been up to date.

SCCA Spec Racer Ford

The AI model of this automobile has improved its tire temperature modeling, making it extra correct and akin to a player-driven automobile. This improves AI Drivers’ accuracy and efficiency, particularly at excessive temperatures.
Car parameters have been up to date, together with: up to date tires, elevated engine braking, smaller steps between anti-roll bar changes, up to date dampers based mostly on real-world information, and a brand new yaw-based aerodynamic sideforce mannequin has been added.
Minimal tire PSI has been elevated to 19 from 17.
Storage choices have been break up into separate Tires and Chassis tabs.
iRacing setups have been up to date.

Silver Crown

iRacing setups have been up to date.

SRX

Brakes at the moment are adjustable throughout Mounted Setup classes.
iRacing setups have been up to date.

Supercars Chevrolet Camaro Gen 3

NEW CAR!
The Supercars Chevrolet Camaro Gen 3, a brand new Sports activities Automotive, is now out there for buy and racing!
– – Supercars has been Australia’s premier touring collection because the mid-Nineties, gathering a passionate and devoted worldwide following over a long time of shut and thrilling racing. Supercars’ Gen 3 laws had been first introduced in 2020 earlier than making their debut in time for the 2023 season. The brand new regulation set was a totally clear slate for the collection, supposed to chop prices, enhance street relevance for producers, and create nearer racing with automobiles that had been more difficult to drive. With the phase-out of the Holden model in Australia, Common Motors elected to exchange the tenured Commodore mannequin with the Chevrolet Camaro ZL1 because the model’s Supercars Gen 3 flagship. It marked the primary time that Chevrolet had competed within the Supercars period, however the change shortly paid off as Shane van Gisbergen gave the automobile its first win in its second race at Newcastle. That victory kicked off a 15-race successful streak for the Camaro on the best way to Chevrolet’s first Supercars producer’s title; the model would repeat the feat in 2024, whereas Brodie Kostecki and Will Brown would give it back-to-back driver’s titles.
Buy the Supercars Chevrolet Camaro Gen 3 from the iRacing retailer at this time!
AI Drivers are totally skilled for racing with this car!
This automobile is rain-racing prepared!
– – This automobile has a separate rain tire set, optimized for efficiency within the moist.

Supercars Ford Mustang Gen 3

NEW CAR!
The Supercars Ford Mustang Gen 3, a brand new Sports activities Automotive, is now out there for buy and racing!
– – Supercars has been Australia’s premier touring collection because the mid-Nineties, gathering a passionate and devoted worldwide following over a long time of shut and thrilling racing. Supercars’ Gen 3 laws had been first introduced in 2020 earlier than making their debut in time for the 2023 season. The brand new regulation set was a totally clear slate for the collection, supposed to chop prices, enhance street relevance for producers, and create nearer racing with automobiles that had been more difficult to drive. Ford’s signature Mustang turned its Supercars mannequin of alternative in 2019, and its use within the collection continued into the Gen 3 regulation set. The all-new Gen 3 Mustang received the primary race of the brand new period at Newcastle with Cameron Waters in 2023, and capped off that season with 4 wins in a row at Surfers Paradise and Adelaide. Chaz Mostert led the Ford brigade in factors within the automobile’s first two seasons, with a sweep of Sydney SuperNight in 2024 a spotlight on the best way to 3rd in factors that season.
Buy the Supercars Ford Mustang Gen 3 from the iRacing retailer at this time!
AI Drivers are totally skilled for racing with this car!
This automobile is rain-racing prepared!
– – This automobile has a separate rain tire set, optimized for efficiency within the moist.

Tremendous System Lights

iRacing setups have been up to date.

Tremendous System SF23

ReTime has been elevated to 120 seconds when operating at Fuji Worldwide Speedway and Mobility Resort Motegi, per 2024 laws.
Mounted a problem the place wing angle was not getting reset to the default worth between loading setups.
iRacing setups have been up to date.

Tremendous Late Mannequin

For the injury mannequin, the entrance suspension hyperextension limits have been decreased and relaxation deflection has been adjusted.
iRacing setups have been up to date.

USF 2000

iRacing setups have been up to date.

Williams FW31

AI Drivers at the moment are totally skilled for racing with this car!

TRACKS:

Atlanta Motor Speedway

(Oval) – Added a Secure Entry Rule for pit street so automobiles should method pit street utilizing the apron in Turns 3-4.
(Oval) – The pit-in Whelen Gentle has been relocated to its new house on the entrance of Flip 3.

Manufacturers Hatch Circuit

(Rallycross) – A barrier has been added to the Joker exit to stop some drivers from merging too early and incomes a 2 lap penalty.

Chili Bowl

Mounted an exploit the place racers may minimize by way of the pit lane with out receiving a Course-Reduce penalty.

Circuit des 24 Heures du Mans

A “1x” for having 4 wheels off of the racing floor has been added to the exit of Flip 8, and the slowdown checkpoints have been prolonged to the sting of the gravel.
As a part of the Dynamic Monitor Particles Refresh undertaking, Circuit des 24 Heures du Mans is pioneering a brand new method the place we manually deposit applicable particles on the observe earlier than an occasion begins. This provides a brand new layer of realism to races at this observe!
Some cones have been faraway from the testing strip.

Circuit de Barcelona-Catalunya

(Rallycross) – Mounted a tire barrier that will spawn partially on the observe floor.
(Rallycross) – The Begin/End and Joker trusses at the moment are stable objects. Be careful!

Circuit Park Zandvoort

Mounted a problem the place a number of catchfences had been solely a part of the spirit world and lacked a corporeal type.

Circuit de Spa-Francorchamps

Some large trackside helmet objects have been moved.
The slowdown penalty length for reducing the bus cease has been elevated.
(Bike) – Mounted a vital loading failure difficulty with this observe.
(Bike) – Mounted a problem the place drivers may get a Slowdown penalty for merely driving usually at this observe configuration.
Up to date the observe location to accurately point out the province of Liège, Belgium.

Daytona Worldwide Speedway

Mounted a problem the place rushing within the pits penalties might be prevented by rushing on the grass close by as a substitute!

Homestead Miami Speedway

(Highway Programs) – Some gravel traps have been eliminated, and a brand new paved run-off space has been added.

Hungaroring Circuit

Revised prolonged floor sorts which ought to repair inconsistent 1x habits. All paved runoffs ought to now give a 1x when all 4 tires cross the white line or again fringe of curbing.

Huset’s Speedway

NEW TRACK!
A brand new grime oval observe, Huset’s Speedway, is now out there for buy and racing!
Named after farmer and businessman Til Huset, Huset’s Speedway was inbuilt 1953 and opened the subsequent yr. As with so a lot of America’s premier grime ovals, the observe was constructed out of former farmland—on this case, a soybean discipline—and has hosted most of the high nationwide collection within the nation, together with the World of Outlaws Dash Automotive Collection. After a short stint because the Badlands Motor Speedway within the mid-2010s and subsequent closure, the observe was rescued in the summertime of 2020 by Tod Quiring, who returned top-level dash automobile racing to the South Dakota circuit shortly thereafter. Huset’s Speedway measures in as a high-banked, 1/3 mile bullring. It sometimes hosts each weekly and nationwide stage racing by way of Labor Day weekend. The Huset’s Excessive Financial institution Nationals and Huset’s Hustle for dash automobiles every supply six-figure payouts to their winners, whereas the Silver Greenback Nationals pay $75,000 to win for high late mannequin racers. Including to the observe’s status, Quiring additionally prominently shows the Huset’s model on his Huge Sport Motorsports 410 Dash Automotive on the World of Outlaws nationwide tour, the place he and driver David Gravel have teamed up for dozens of checkered flags in latest seasons.
Buy Huset’s Speedway from the iRacing retailer at this time!
Evening lighting is totally enabled at this observe!

Indianapolis Motor Speedway

(Oval & Open Wheel Oval) – Tightened checkpoints and guidelines tab concerning pit exit.
(Oval & Open Wheel Oval) – Pictures have been added to the Guidelines tab to point out the bounds of the pit exit entry street.

Iowa Speedway

Mounted a problem the place an antennae was not rendering accurately at a distance.

Knockhill Racing Circuit

(Rallycross) – Up to date the floor sort for the pit lane.
(Rallycross) – Mounted a problem the place race management was handing out penalties that would not be served. Brutal!

Misano World Circuit Marco Simoncelli

An even bigger slowdown penalty has been added for blasting by way of the gravel within the Flip 1-3 complicated.

New Hampshire Motor Speedway

This observe has obtained a full-scale artwork overhaul and has been up to date to match the 2024 actual world look. Buildings, track-side objects, and decorations have been up to date. Bushes, shrubs, and 3D foliage have all been up to date and added. All textures, shaders, and lighting have been up to date to our present inventive requirements.
Monitor floor bumpmap has been regenerated.
AI Drivers at the moment are totally skilled for racing at Highway Course, and Highway Course with North Oval!
(Legends) – Most starters has been elevated to 24.

Oulton Park Circuit

Up to date Flip 3 Off-Monitor penalty to be extra lenient.

Phoenix Raceway

Some yellow line textures have been up to date, eliminated an errant white line within the dogleg, and eliminated an out of date banner.

Highway America

The 3D Foliage System has been seeded at this observe!

Highway Atlanta

The 3D Foliage System has been seeded at this observe!

Rudskogen Motorsenter

3D Foliage has been seeded at this observe!

Sachsenring

Barney, Legendary Flagman, has lastly arrived at this observe! We suspect he simply wanted a brief trip, and what higher solution to spend it than touring the German countryside.

Slinger Speedway

A replica imposter Barney, Legendary Flagman, has been exiled from this observe. There may be just one!
(Determine Eight) – Mounted a problem the place Barney, Legendary Flagman, seemed to be leaning on an invisible object.

Thruxton Circuit

NEW TRACK!
A brand new asphalt street observe, Thruxton Circuit, is now out there for buy and racing!
Hampshire, England’s Thruxton Circuit traces its historical past again to 1950, when the previous RAF Thruxton airfield-home base for a lot of key Allied efforts throughout World Struggle II-first noticed use in motorbike races. The primary circuit was established in 1968, following the define of the airfield’s perimeter street. It presently hosts main British touring automobile and superbike occasions every summer season, in addition to collection just like the F4 British Championship and TCR UK. Befitting a circuit constructed round lively runways, Thruxton is called “The Quickest Circuit within the UK.” A lap of Thruxton options simply 12 turns in its 3.793 km (2.356 mile) structure, and few of them are notably sharp. Whereas its race lap document remains to be over a minute, owing to the degrees of racing it sometimes hosts, there’s potential for a a lot sooner time in higher-class tools with its gradual curves. Damon Hill turned a lap of 57.6 seconds with a mean pace of over 147 miles per hour in his Williams FW15C in 1993 that serves because the unofficial observe document.
Buy Thruxton Circuit from the iRacing retailer at this time!
AI Drivers are totally skilled for racing at this observe!

Watkins Glen Worldwide

Monitor floor bumpmap has been regenerated.
Mounted two uneven curbs close to an asphalt patch on the within of Flip 2 and Flip 4.
Bus Cease brake markers have been adjusted in order that they not clip into the ARMCO barrier.
Pit-in mild has been moved to match the true world location: throughout from the pit-in timing line.
Flip 8 brake markers have been nudged up barely to allow them to be seen higher.
The 3D Foliage System has been seeded at this observe!
The Begin/End line brand has been up to date with the proper black background.
Some observe marshals have been excised from stable objects.
Flip 1 brake markers have been nudged in order that they join with the fence properly.
A lacking rain drain has been added to the exit of Flip 8.

[Legacy] Phoenix Raceway – 2008

(Dust Highway) – Grounded some floating tire bundles.
(Dust Highway) – Mounted the show title of this observe configuration within the Simulator.
(Rallycross) – Mounted a problem the place a tire barrier close to the exit of the Joker Lap would fall by way of the world when the Simulation completed loading.
(Rallycross) – Mounted a show difficulty with this observe title within the Simulator.

iRacing – 2025 Season 1 Launch Notes