iRacing
by iRacing.com Motorsport Simulations · 12 Jan, 2015
About the Game
What Is iRacing?
We are the world’s premier computer based motorsports racing simulation/game. An membership provides entry into the newest form of competitive motorsport: internet racing. Internet racing is a fun, easy, and inexpensive way for race fans, simracers and gamers alike to enjoy the thrill of the racetrack from the comfort of their home.
We are the ultimate place to go racing online. From NASCAR, to World of Outlaws, Aussie Supercars to sports cars and Grand Prix racing, iRacing has it all. All you need is a computer, a gaming wheel or game pad that simply plugs into the USB port of your computer and an Internet connection. iRacing centrally organizes all of the racing for you with over 150 cars and tracks, 40 official series , or you can choose to host your own race or race in one of over 800 private leagues. iRacing is a thrilling online experience that offers:
* The best online racing simulation and service in the world with brilliant features and functionality
* Head-to-head racing competition in an easy to use centralized place- racing against real people
* Dynamic track surfaces that change over the course of a race just like in real-world racing
* Open practice, qualifying, testing, ghost racing, time trialing competition
* Team Racing - share driving, spotting and pit crew responsibilities with your teammates and race in events up to 24 hours long
* Heat Racing
* Constant free automatic updates and improvements to the service
* Officially licensed cars that are engineered from the ground up in cooperation with real-world race teams and using real-world physics
* Officially-licensed, laser-scanned exact replicas of the world’s greatest race tracks
* Officially-sanctioned racing organized by iRacing
* An online community of racing enthusiasts over 300,000 strong
* Host your own private sessions, run your own tournaments
* League Racing: create your own custom racing series with your friends or join one of the 800+ existing leagues
iRacing is partnered with some of the most influential motorsports brands in the world including:
iRacing accounts purchased through Steam may not be combined with accounts purchased directly with iRacing. Special introductory pricing on Steam only available for new accounts. Pricing subject to change.
Screenshots
21 images
Version Information
Steam Patch Notes
Official update history
This Hotfix contains some fixes and updates for the 2026 Season 4 Release.
You can find the Release Notes for this Hotfix below, or on the iRacing Forums here: https://forums.iracing.com/discussion/100023/2026-season-4-hotfix-1-release-notes-2026-09-10-02/p1?new=1
2026 Season 4 Hotfix 1 Release Notes \[2026.09.10.02]
[p align="start"]========================================================================[p align="start"]Patch Release:
[p align="start"]—---------------------------------------------------------This downtime was planned and is required for fixing an issue with both Caterham cars, as well as two crashes with iRacing.
iRacing Simulator
—--------------------------------------------
User Interface
Fixed a crash that could occur when minimizing the SIM window.
Fixed a crash that could occur when using the VCR controls while viewing a replay.
Cars
[p align="start"]—---------------------------------------------------------Caterham 420R
Adjusted the damage properties on the rear suspension that allows the rear axle to translate fully.
This resolves an issue that could make it impossible for drivers to exit their pit stall.
This will fundamentally improve the handling of the car.
Caterham Academy
Adjusted the damage properties on the rear suspension that allows the rear axle to translate fully.
This resolves an issue that could make it impossible for drivers to exit their pit stall.
This will fundamentally improve the handling of the car.
2026 Season 3 Patch 3 Hotfix 2 Release Notes \[2026.07.17.01]
========================================================================
Hotfix Release:
—---------------------------------------------------------
This downtime was unplanned and is required for fixing a critical issue with iRacing.
Simulation:
—---------------------------------------------------------
Race Control
Fixed an issue where caution states were transitioning incorrectly. This could cause the entire field to be required to pass the pace car on delayed restarts.
User Interface
Adjusted the level of zoom on the Track Map widget for some tracks.
Spotter
Added the latest Japanese spotter pack updates.
Cars:
—---------------------------------------------------------
Dallara IR18
Added an additional final drive gearing set to specifically improve performance at superspeedways.
This Hotfix contains some fixes and updates for the 2026 Season 3 Release.
You can find the Release Notes for this Hotfix below, or on the iRacing Forums here: 2026 Season 3 Patch 3 Hotfix 1 Release Notes \[2026.07.14.02] — iRacing Forums
Patch Release:
[p align="start"][p align="start"]—---------------------------------------------------------This downtime is for a hotfix to fix a loading issue with the Acura NSX GT3 EVO 22.
Cars
[p align="start"]—---------------------------------------------------------Acura NSX GT3 EVO 22
Fixed a loading issue with this car where members could not enter the car once joining a session.
Formula Vee
In partnership with Sabre Racing Cars, the Formula Vee - Cutlass has been renamed to Formula Vee - Sabre.
2026 Season 2 Patch 4 Hotfix 1 Release Notes \[2026.05.20.05]
===========================================================================
Hotfix Release:
This release is an unplanned Hotfix, required to fix a critical issue or problem with the 2026 Season 2 Release.
We apologize for the short notice before this downtime occurred.
Simulator
—---------------------------------------------------------
Sessions
Fixed an issue where some users were unable to connect to multiple events in succession without restarting iRacing.
This Hotfix Release contains a critical fix for an unpredicted serious issue with the 2026 Season 1 Initial Release.
iRacing Simulator
---------------------------------------------------------
Weather
Fixed a critical issue that could crash Race Servers where the code managing water heights and rain rates at certain tracks could exceed the allowable value bounds.
2025 Season 4 Patch 3 Hotfix 1 Release Notes \[2025.10.17.01]
This Hotfix Release contains critical fixes as well as some updates for the 2025 Season 4 Patch 3 Release.
Simulator
User Interface
Fixed an issue where tire options were available for team members that were not available for the crew chief or driver.
Cars
VW Beetle Lite
Fixed a critical issue where this car would fail to load into Sessions.
2025 Season 3 Patch 4 Hotfix 1 Release Notes \[2025.08.06.02]
This Hotfix Release contains critical fixes for issues with the 2025 Season 3 Release.
SIMULATION:
--------------------------------------------------------------
Controls
Fixed a critical issue with the Moza API that was causing the Simulator to crash after running for nearly 3 hours.
CARS:
--------------------------------------------------------------
Dallara IR18
Improved the pit limiter light implementation.
MPG has been added back onto the digital display.
2025 Season 3 Patch 3 Hotfix 1 Release Notes \[2025.07.02.02]
This Hotfix Release contains critical fixes for issues with the 2025 Season 3 Release.
SIMULATION:
--------------------------------------------------------------
Graphics
The recently added alert warning to indicate high CPU usage has been adjusted to only display if the system has an active network alert AND the CPU alert level would be high (red in the system meter).
Controls
We have temporarily disabled Moza 360 Hz and Wheel LFE effects.
There is a critical issue we are investigating with Moza developers that can cause the Simulator to crash after about 2 hours of operation. Once we have a stable fix, we will release it and re-enable this feature in a future Patch.
CARS:
--------------------------------------------------------------
Ferrari 296 GT3
Removed some defunct development code.
2025 Season 3 Hotfix 1 Release Notes \[2025.06.10.04]
This Hotfix Release contains critical fixes and a few updates for the 2025 Season 3 Release.
SIMULATION:
--------------------------------------------------------------
Race Servers
Fixed a critical issue where Race Servers would not allow drivers to join Ranked Official events more than once.
Updater
Expanded the size restriction for the iRacing updater buffer - 256K is no longer sufficient!
- - In order for this update to work, you’ll need to update only your Required files when prompted for downloading an update - this will include this update. Then, you can download any or all Optional downloads without issue.
CARS:
--------------------------------------------------------------
<Car Class> NASCAR Cup Series Gen 7
iRacing setups have been updated.
TRACKS:
--------------------------------------------------------------
Charlotte Motor Speedway
Fixed a critical issue where this track would fail to load.
2025 Season 1 Hotfix 2 Release Notes [2024.12.16.02]
This is a Hotfix Release, containing critical fixes and some updates for the 2025 Season 1 Release.
Simulation
Race Control
- Fixed a critical issue where custom sectors could not be set with the Active Reset feature.
Dynamic Track Model
- Debris particles may now be spawned along the entire width of the tire carcass instead of only in the center of the contact patch.
- Some parameters for gravel, mud, and dust debris have been updated.
- Fixed an issue with the updated debris system where some particles were not allowed to interact with the environment during their lifetime.
Dirt Racing
- Fixed a critical issue where loose dirt at Dirt Oval tracks was completely invisible in Replay cameras.
AI Racing
- Fixed a critical issue where AI Drivers would refuse to grid for Oval events using Timeline Weather.
- - Developers learned that this was a form of protest by the AI Drivers, and their demands for new umbrellas during their off-track time have been satisfied. AI Drivers will once again race on Ovals when Timeline Weather is selected.
Graphics
- SSAO processing along shape edges has been improved.
- Fixed some display issues with some of the rear brakelights for Fred's pace cars.
- Fixed an issue where some of the 3D foliage was attempting to divide by zero. Not even Mother Nature can perform such a mathematical impossibility!
Cars
<Car Class> Supercars Gen 3
- Drafting distances and corresponding effects have been adjusted.
<Car Class> NASCAR Xfinity Class Cars
- Fixed an issue where the dashboard gauges could appear blank/white.
Acura ARX-06 GTP
- Aerodynamic offsets have been updated.
Acura NSX GT3 EVO 22
- Fixed an issue where the paddle shifters would not rotate with the wheel for female drivers.
BMW M2 CSR
- Very distant LODs have been updated to correctly hide cockpit interior completely.
- Fixed an issue where pit crew and equipment could have the incorrect colors applied when using an official BMW livery.
- Fixed a texture mapping issue on the left-side fuel windows.
- Fixed an issue where the driver's seat could disappear at certain camera distances.
Dallara P217
- Fixed an issue with toe measurements in the garage.
Ferrari 499P
- For the damage model, fixed an issue where too much energy from some vehicle body impacts was being transferred to the engine.
Mini Stock
- iRacing setups have been updated.
Ray FF1600
- Engine sounds for chase and exhaust cameras have been improved.
SCCA Spec Racer Ford
- For the damage model, reduced the amount of energy damage transferred from the nose hull to the engine.
Supercars Chevrolet Camaro Gen 3
- For texture mapping, the rear windshield banner has been added, and the grille has been moved to an independent texture.
- The perspective and angle on vehicle mirrors has been adjusted.
Supercars Ford Mustang Gen 3
- Fixed an issue where the wiper knob rotated incorrectly.
NASCAR Nationwide Chevrolet Impala - 2012
- Fixed an issue where the dashboard gauges could appear blank/white.
Riley MkXX Daytona Prototype - 2008
- Fixed an issue where headlight flares were appearing in the middle of the car.
Tracks
Mid-Ohio Sports Car Course
- Updated some brakemarkers.
Thruxton Circuit
- Some environment textures have been updated.
2025 Season 1 Hotfix 1 Release Notes [2024.12.11.01]
This is a Hotfix Release, containing critical fixes and some updates for the 2025 Season 1 Release.
iRacing
Account
- We have redesigned the My Account page as a centralized location to manage key aspects of your iRacing account. The My Account section is designed to keep everything you need to manage your subscription, balance, and promotions in one place, with easy navigation and secure interactions. You can now find the following section here:
- - Account Information: View and update details like your subscription status, billing address, and customer ID.
- - Account Balance: Monitor your iRacing Dollars and Credits, toggle the use of credits in sync with your cart, and check when your credits expire. Additional features here include: Send a Gift or Add Funds, Buy a Gift Card, Refer a Friend, and Check a Promo Code.
- - Account History: The Account History section provides a detailed overview of your past transactions and activities, offering a transparent and organized way to review your iRacing orders and gift transactions. Features include: the ability to display a list of purchases, gifts received, and gifts sent. Each transaction is listed in a row for quick and easy understanding of the data. A View Order button allows you to drill down into the specifics of any transaction.
Simulation
Dynamic Track Model
- Improved the calculations for track debris accumulated and thrown by opponent vehicles.
- Improved the throwing and spreading algorithm, especially for gravel, for a more realistic and uniform distribution.
- Fixed a critical issue where some developer code for the Debris Refresh remained available for adjustments by drivers.
- Fixed an issue where the new debris type, gravel and mud, were not being cleared correctly between Sessions if the option for cleaning the track between Sessions was enabled for an event.
Weather
- Values for rain on track surfaces have been smoothed, so puddles are more visible.
AI Racing
- Fixed an issue where some AI Drivers in Formula cars believed themselves to be indestructible and unaffected by damage sustained - they would simply not pit for repairs and just keep racing even when heavily damaged. It may benefit some Members to take note of this corrected behavior.
- Fixed an issue where AI Drivers did not understand Fast Repairs and would refuse to pit to fix damage whenever Fast Repairs were available. They now understand these are good, and should use them when needed.
Graphics
- Fixed an issue where Anti-Aliasing settings were incorrect after upgrading from an older "renderer.ini" file.
Cars
<Car Class> NASCAR Cup Series Gen 7
- iRacing setups have been updated.
<Car Class> NASCAR Xfinity Series
- iRacing setups have been updated.
<Car Class> Supercars - Gen 3
- Fixed an issue where the pit crews were unable to correctly switch your Tire Compound during a pit stop. They now appropriately know which compound is which! The tire compound dashboard indicator light now also functions perfectly.
Acura NSX GT3 EVO 22
- Fixed an issue where the rear rainlight was not appearing correctly on undamaged cars.
BMW M8 GTE
- Lightmaps have been updated to fix an issue where the digital display appeared to be “off” all the time.
Ferrari 499P
- Side damper deflections have been added to the Chassis tab of the Garage - it was possible to adjust the heave elements in a way that pushed side damper deflections out of range.
- ID lights have been changed to white.
- Fixed an issue where the MGU value did not match the MGU dial.
- Fixed an issue with the deploy mode rotary knob being misaligned.
- Fixed an issue with the strategy rotary knob label.
Legends Ford '34 Coupe
- iRacing setups have been updated.
Porsche 963 GTP
- iRacing setups have been updated.
Supercars Ford Mustang Gen 3
- The Ford logo on the nose has been updated.
NASCAR Cup Chevrolet Impala COT - 2009
- Fixed an issue where all dashboard gauges were blank white.
Tracks
Circuit Zolder
- Track marshals, photographers, cameramen and safety vehicles have been deployed.
Huset's Speedway
- Barney, Legendary Flagman, has arrived at this track!
- Treeline textures have been updated.
- Tree placement has been improved.
Mid-Ohio Sports Car Course
- Some cones have been added to brake markers.
New Hampshire Motor Speedway
- Added pit exit aid lines to Road configs, and blue lines and cones added to the configs that use the infield in Turn 1.
- Trackside banners have been updated.
- Tree placement and colors have been improved.
- Some unintended wall openings have been blockaded.
- Fixed an issue where a tire barrier was protruding onto the track in Turn 3.
- Fixed an issue where stretched marbles textures could appear on some track walls.
2024 Season 4 Patch 2 Hotfix 1 Release Notes [2024.09.25.03]
This release is a Hotfix that contains important fixes and some additional updates for the 2024 Season 4 Patch 2 Release.
SIMULATION:
--------------------------------------------------------------
iRacing Weather System
For Forecasted Weather Mode, fixed an issue where cloud cover and rain predictions were being calculated incorrectly in the short term.
- - This fixes an issue where the Spotter would continually call out upcoming weather changes incorrectly. Please be advised that your Spotter is not a meteorologist - he’s just doing the best he can.
Heat Racing
Fixed an issue where the track surface temperature could spike an extra 45°F if a Session within a Heat Racing event was skipped. This is not what was meant by “heat” racing!
Graphics
Fixed an issue with rain-enabled car windshields where extremely dramatic and opaque sunspot shines or shadow flares could appear on the glass.
Fixed an issue where chrome and brushed wheels could appear black in interface images.
Fixed an issue where some cars appeared to have lost their windshield glass in the paint shop.
Audio
Improved the sounds for rumble saw-tooth curbs.
Fixed an issue where many engine starter sounds would fail to play.
Telemetry
Some values for the Push-to-Pass system (P2P) have been added to telemetry.
- - P2P_Count = Displays the total number of seconds of P2P remaining.
- - P2P_Status = Displays if the P2P system is active.
CARS:
--------------------------------------------------------------
Lotus 49
The brake bias adjustment increment has been reduced from 0.5% to 0.25%.
McLaren 720S GT3 EVO
Aerodynamic drag has been increased slightly, clutch inertia has been increased, and engine inertia has been decreased to match information from McLaren.
NASCAR Cup Series Toyota Camry
For the damage model, fixed an issue with the attachment points for the front fenders.
NASCAR Cup Series Next Gen Ford Mustang
Adjusted the lighting properties on the metallic nose strip.
NASCAR Xfinity Ford Mustang
Adjusted the lighting properties on the metallic nose strip.
TRACKS:
--------------------------------------------------------------
Daytona International Speedway
(Road Course) - The slowdown penalty at the first left curb in the Bus Stop has been relaxed slightly. Drivers now need 2 tires in the grass at the center of the apex to trigger the slowdown penalty.
Hockenheimring Baden-Württemberg
For all configs that use the main pit lane, the safe entry rule has been tightened up. Cars now must clear the racing surface before the green painted area.
Watkins Glen International
Some missing water drains have been added.
Current Release
Build 25730434
Uploaded Oct 29, 2026
System Requirements
How to Install
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Files are being prepared
Download links are being uploaded and mirrored. This usually takes a few minutes — check back shortly.
You May Also Like
View All
Download iRacing for PC with a direct link or via torrent. Get the full version of iRacing for free. iRacing is a Massively Multiplayer released by iRacing.com Motorsport Simulations.