Game Guides
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iRacing Series-Specific Sporting Regulations Guide
iRacing can apply real-world-inspired rule sets to selected official, hosted and league events.
iRacing 2026 Season 4 Guide
2026 Season 4 began on September 15, 2026 and introduced four new cars, three rebuilt tracks, AI/rain expansions and major simulator/UI updates.
iRacing Series Schedule and Weekly Rotation Guide
Official series run season schedules with changing tracks by week.
iRacing Safety Rating Guide
Safety Rating measures incident history and is one of the central inputs to license progression.
iRacing Race Registration and Forfeit Guide
Official sessions are entered through the iRacing UI using the Register and Join workflow.
iRacing Ranked vs Unranked Guide
Ranked sessions affect ratings and progression, while unranked series, leagues and hosted sessions do not affect iRating or MPR in the same way.
iRacing Rain Racing Guide
Rain support applies to eligible cars and tracks and continues to expand each season.
iRacing Racecraft and Clean Racing Guide
Racecraft combines spatial awareness, predictable positioning, overtaking judgment and respect for the Sporting Code.
iRacing Protest System Guide
The protest process is for Sporting Code violations such as intentional wrecking, blocking, unsafe rejoin and abusive communications.
iRacing Practice Sessions Guide
Practice sessions let drivers share the track without the full consequences of a ranked race.
iRacing Pit Stop and Black Box Guide
Black Boxes control fuel, tyres, fast repair and other in-race pit functions.
iRacing Multi-Threaded Physics and Performance Guide
Season 4 introduces a multi-threaded physics update loop designed to reduce CPU overhead in heavy traffic and large grids.
iRacing Oval Racing Guide
Oval racing is one of iRacing's core disciplines with its own license and official series ladder.
iRacing Official Series Guide
Official Racing is iRacing's sanctioned competitive structure with thousands of scheduled races across four annual seasons.
iRacing Multiclass Racing Guide
Multiclass races combine vehicles with very different pace on the same track.
iRacing Multiclass Starts and Pace Cars Guide
Season 4 2026 introduces multiple pace cars for multiclass starts on many configurations.
iRacing Minimum Participation Requirement Guide
Minimum Participation Requirement is part of license progression alongside Safety Rating.
iRacing Seasons, Patches and Live Service Guide
iRacing has four major annual seasons plus patches and hotfixes that can change cars, tracks, physics and UI.