What Changed in iRacing 2026 Season 4
A schedule-level comparison of 2026 Season 3 and 2026 Season 4.
Schedule data last imported .
Series added
- 13th Week - iTested Event
- 2026 Britcar 24 Presented by Cosworth
- Advanced Pro2 Lite Off Road Series
- AMSOIL USAC Sprint Car 2026 - Season 4
- BMW M2 Cup by Vero Motion
- Caterham 420R Cup
- Caterham Academy Challenge
- IMSA iRacing Series - Fixed by GO Fast
- IMSA iRacing Series by GO Fast
- iRacing GT3 Regional Tour by Sensit! - Americas
- iRacing GT3 Regional Tour by Sensit! - Europe
- iRacing GT3 Regional Tour by Sensit! -AsiaPacific
- iRX Volkswagen Beetle Lite Series
- NASCAR Gen 4 Grand National Series - Fixed
- Pro 2 Lite Off-Road Rookie Series
- Pro 2 Off-Road Series - Fixed
- Pro 4 Off-Road Series - Fixed
- Rallycross Series
- Rallycross Series - Fixed
- Track Day
- VW Lite iRX Rookie Series
Series removed
- 13th Week - Dirt Mini Stock Challenge
- 13th Week - Dirt Street Stock Challenge
- 13th Week - FF1600 Series
- 13th Week - FIA F4 Challenge
- 13th Week - Formula Vee Series
- 13th Week - GT3 Challenge Fixed
- 13th Week - iRacing RX Lite
- 13th Week - Mazda Cup
- 13th Week - Porsche Cup
- 13th Week - Street Stock Challenge
- 13th Week 2x4 Off Road Trucks
- 13th Week 5 To Go
- 13th Week ARCA Cup
- 13th Week Battle of the Little Wings
- 13th Week BMW M2 Cup
- 13th Week Cross Car Cup
- 13th Week Ferrari 296 Challenge
- 13th Week Free for All
- 13th Week Incident Limit Challenge
- 13th Week iRacing Figure GR8
- 13th Week Manufactuer Madness
- 13th Week Mini Stock Cup
- 13th Week MudSkipping
- 13th Week NASCAR iRacing Truck Series
- 13th Week Pro 2 Dirt Oval
- 13th Week Sprint Car Series
- 13th Week Storm Chasers
- 13th Week To the Streets
- 2026 iRacing Knoxville Nationals Presented by SimpleTire
- Advanced Pro2 Lite Off Road Series by Trak Racer
- AMSOIL USAC Sprint Car 2026 - Season 3
- BMW M2 Cup
- IMSA iRacing Series
- IMSA iRacing Series - Fixed
- Indy NXT iRacing Series
- INDYCAR iRacing Series
- iRacing GT3 Regional Tour - Americas
- iRacing GT3 Regional Tour - Asia Pacific
- iRacing GT3 Regional Tour - Europe
- iRX Volkswagen Beetle Lite Series by Trak Racer
- Pro 2 Lite Off-Road Rookie Series by Trak Racer
- Pro 2 Off-Road Series - Fixed by Trak Racer
- Pro 4 Off-Road Series - Fixed by Trak Racer
- Rallycross Series - Fixed by Trak Racer
- Rallycross Series by Trak Racer
- VW Lite iRX Rookie Series by Trak Racer
Track venues added
- [Retired] The Milwaukee Mile
- Cadwell Park Circuit
- LA Coliseum Raceway
Cars added
- [Legacy] Mazda MX-5 Cup - 2010
- [Legacy] Mazda MX-5 Roadster - 2010
- [Legacy] Porsche 911 GT3 Cup (992.1)
- Aston Martin Valkyrie AMR-LMH
- Caterham 420R
- Caterham Academy
- Gen 4 Grand National
- Radical SR8