iRacing GT4 Calendar
9 matching series across 77 scheduled series-weeks, including 0 fixed-setup series. Browse every published week, track and race cadence.
2026 Season 3 · 9 seriess · 29 track configurations · 27 cars · 0 fixed-setup series
Categories: SPORTS CAR, UNRANKED. Published week starts run from to . The most-scheduled configuration is Nürburgring Combined - Gesamtstrecke VLN, used for 10 series-weeks.
Series in this calendar
- 13th Week iRacing Figure GR8 - 2026 Season 3
- 13th Week Manufactuer Madness - 2026 Season 3
- Creventic Endurance Series - 2026 Season
- Ford Mustang Challenge by Skip Barber - 2026 Season 3
- GT4 Falken Tyre Challenge - 2026 Season 3
- IMSA Michelin Pilot Challenge - 2026 Season 3
- IMSA Sportscar Endurance Challenge - 2026 Season 3
- Nurburgring Endurance Championship - 2026 Season
- Sports Car Challenge by Falken Tyre - 2026 Season 3
2026 Season 3 schedule
| Week | Week starts | Series | Track | Race cadence | Length |
|---|---|---|---|---|---|
| 1 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 2 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 3 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 4 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 5 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 1 | Creventic Endurance Series - 2026 Season | Autodromo Internazionale del Mugello - Grand Prix | Races on Saturday at 1 & 13 GMT | Rolling 720 mins | |
| 1 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Virginia International Raceway - Full Course | Races every hour at :45 past | Rolling 15 mins | |
| 1 | GT4 Falken Tyre Challenge - 2026 Season 3 | Circuit des 24 Heures du Mans - 24 Heures du Mans | Races every 2 hours at :30 past | Rolling 20 mins | |
| 1 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Circuit des 24 Heures du Mans - 24 Heures du Mans | Races every 2 hours at :30 past | Rolling 30 mins | |
| 1 | IMSA Sportscar Endurance Challenge - 2026 Season 3 | Circuit des 24 Heures du Mans - 24 Heures du Mans | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 2 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Watkins Glen International - Boot | Races every hour at :45 past | Rolling 15 mins | |
| 2 | GT4 Falken Tyre Challenge - 2026 Season 3 | Watkins Glen International - Boot | Races every 2 hours at :30 past | Rolling 20 mins | |
| 2 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Watkins Glen International - Boot | Races every 2 hours at :30 past | Rolling 30 mins | |
| 1 | IMSA Michelin Pilot Challenge - 2026 Season 3 | Watkins Glen International - Boot | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 3 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Circuit des 24 Heures du Mans - 24 Heures du Mans | Races every hour at :45 past | Rolling 15 mins | |
| 3 | GT4 Falken Tyre Challenge - 2026 Season 3 | Autodromo Internazionale del Mugello - Grand Prix | Races every 2 hours at :30 past | Rolling 20 mins | |
| 3 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Autodromo Internazionale del Mugello - Grand Prix | Races every 2 hours at :30 past | Rolling 30 mins | |
| 2 | IMSA Sportscar Endurance Challenge - 2026 Season 3 | Autodromo Internazionale del Mugello - Grand Prix | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 6 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 360 mins | |
| 4 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | WeatherTech Raceway at Laguna Seca - 2026 | Races every hour at :45 past | Rolling 15 mins | |
| 4 | GT4 Falken Tyre Challenge - 2026 Season 3 | Canadian Tire Motorsports Park | Races every 2 hours at :30 past | Rolling 20 mins | |
| 4 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Canadian Tire Motorsports Park | Races every 2 hours at :30 past | Rolling 30 mins | |
| 2 | IMSA Michelin Pilot Challenge - 2026 Season 3 | Canadian Tire Motorsports Park | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 5 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Daytona International Speedway - Road Course | Races every hour at :45 past | Rolling 15 mins | |
| 5 | GT4 Falken Tyre Challenge - 2026 Season 3 | Shell V-Power Motorsport Park at The Bend - International Circuit | Races every 2 hours at :30 past | Rolling 20 mins | |
| 5 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Shell V-Power Motorsport Park at The Bend - International Circuit | Races every 2 hours at :30 past | Rolling 30 mins | |
| 2 | Creventic Endurance Series - 2026 Season | Circuit de Spa-Francorchamps - Grand Prix Pits | Races on Saturday at 1 & 13 GMT | Rolling 720 mins | |
| 3 | IMSA Sportscar Endurance Challenge - 2026 Season 3 | Shell V-Power Motorsport Park at The Bend - International Circuit | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 6 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Summit Point Raceway - Summit Point Raceway | Races every hour at :45 past | Rolling 15 mins | |
| 6 | GT4 Falken Tyre Challenge - 2026 Season 3 | Road America - Full Course | Races every 2 hours at :30 past | Rolling 20 mins | |
| 6 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Road America - Full Course | Races every 2 hours at :30 past | Rolling 30 mins | |
| 3 | IMSA Michelin Pilot Challenge - 2026 Season 3 | Road America - Full Course | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 7 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Circuit de Spa-Francorchamps - Grand Prix Pits | Races every hour at :45 past | Rolling 15 mins | |
| 7 | GT4 Falken Tyre Challenge - 2026 Season 3 | Suzuka International Racing Course - Grand Prix | Races every 2 hours at :30 past | Rolling 20 mins | |
| 7 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Suzuka International Racing Course - Grand Prix | Races every 2 hours at :30 past | Rolling 30 mins | |
| 4 | IMSA Sportscar Endurance Challenge - 2026 Season 3 | Suzuka International Racing Course - Grand Prix | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 8 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Oran Park Raceway - Grand Prix | Races every hour at :45 past | Rolling 15 mins | |
| 8 | GT4 Falken Tyre Challenge - 2026 Season 3 | St. Petersburg Grand Prix - Grand Prix | Races every 2 hours at :30 past | Rolling 20 mins | |
| 8 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | St. Petersburg Grand Prix - Grand Prix | Races every 2 hours at :30 past | Rolling 30 mins | |
| 4 | IMSA Michelin Pilot Challenge - 2026 Season 3 | St. Petersburg Grand Prix - Grand Prix | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 7 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 9 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Road America - Full Course | Races every hour at :45 past | Rolling 15 mins | |
| 9 | GT4 Falken Tyre Challenge - 2026 Season 3 | Phillip Island Circuit | Races every 2 hours at :30 past | Rolling 20 mins | |
| 9 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Phillip Island Circuit | Races every 2 hours at :30 past | Rolling 30 mins | |
| 3 | Creventic Endurance Series - 2026 Season | Circuit de Barcelona Catalunya - Historic | Races on Saturday at 1 & 13 GMT | Rolling 720 mins | |
| 5 | IMSA Sportscar Endurance Challenge - 2026 Season 3 | Phillip Island Circuit | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 10 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Snetterton Circuit - 300 | Races every hour at :45 past | Rolling 15 mins | |
| 10 | GT4 Falken Tyre Challenge - 2026 Season 3 | Virginia International Raceway - Full Course | Races every 2 hours at :30 past | Rolling 20 mins | |
| 10 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Virginia International Raceway - Full Course | Races every 2 hours at :30 past | Rolling 30 mins | |
| 5 | IMSA Michelin Pilot Challenge - 2026 Season 3 | Virginia International Raceway - Full Course | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 11 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Sebring International Raceway - International | Races every hour at :45 past | Rolling 15 mins | |
| 11 | GT4 Falken Tyre Challenge - 2026 Season 3 | Autodromo Internazionale Enzo e Dino Ferrari - Grand Prix | Races every 2 hours at :30 past | Rolling 20 mins | |
| 11 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Autodromo Internazionale Enzo e Dino Ferrari - Grand Prix | Races every 2 hours at :30 past | Rolling 30 mins | |
| 6 | IMSA Sportscar Endurance Challenge - 2026 Season 3 | Autodromo Internazionale Enzo e Dino Ferrari - Grand Prix | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 8 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 12 | Ford Mustang Challenge by Skip Barber - 2026 Season 3 | Road Atlanta - Full Course | Races every hour at :45 past | Rolling 15 mins | |
| 12 | GT4 Falken Tyre Challenge - 2026 Season 3 | Okayama International Circuit - Full Course | Races every 2 hours at :30 past | Rolling 20 mins | |
| 12 | Sports Car Challenge by Falken Tyre - 2026 Season 3 | Okayama International Circuit - Full Course | Races every 2 hours at :30 past | Rolling 30 mins | |
| 6 | IMSA Michelin Pilot Challenge - 2026 Season 3 | Okayama International Circuit - Full Course | Races every other Saturday at 4 & 15 GMT and Sunday at 0 GMT, 20 GMT | Rolling 120 mins | |
| 1 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Slinger Speedway - Figure 8 | Races every 30 minutes | Rolling 25 laps | |
| 1 | 13th Week Manufactuer Madness - 2026 Season 3 | Watkins Glen International - Cup | Races every hour at half past | Rolling 15 mins | |
| 2 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Irwindale Speedway - Figure Eight | Races every 30 minutes | Rolling 25 laps | |
| 2 | 13th Week Manufactuer Madness - 2026 Season 3 | Road Atlanta - Full Course | Races every hour at half past | Rolling 15 mins | |
| 3 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Slinger Speedway - Figure 8 | Races every 30 minutes | Rolling 25 laps | |
| 3 | 13th Week Manufactuer Madness - 2026 Season 3 | Long Beach Street Circuit | Races every hour at half past | Rolling 15 mins | |
| 4 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Irwindale Speedway - Figure Eight | Races every 30 minutes | Rolling 25 laps | |
| 4 | 13th Week Manufactuer Madness - 2026 Season 3 | Road America - Full Course | Races every hour at half past | Rolling 15 mins | |
| 5 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Slinger Speedway - Figure 8 | Races every 30 minutes | Rolling 25 laps | |
| 5 | 13th Week Manufactuer Madness - 2026 Season 3 | Lime Rock Park - Grand Prix | Races every hour at half past | Rolling 15 mins | |
| 4 | Creventic Endurance Series - 2026 Season | Nürburgring Grand-Prix-Strecke - BES/WEC | Races on Saturday at 1 & 13 GMT | Rolling 720 mins | |
| 6 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Irwindale Speedway - Figure Eight | Races every 30 minutes | Rolling 25 laps | |
| 6 | 13th Week Manufactuer Madness - 2026 Season 3 | Virginia International Raceway - North Course | Races every hour at half past | Rolling 15 mins | |
| 7 | 13th Week iRacing Figure GR8 - 2026 Season 3 | Slinger Speedway - Figure 8 | Races every 30 minutes | Rolling 25 laps | |
| 7 | 13th Week Manufactuer Madness - 2026 Season 3 | St. Petersburg Grand Prix - Grand Prix | Races every hour at half past | Rolling 15 mins | |
| 5 | Creventic Endurance Series - 2026 Season | Circuit de Barcelona Catalunya - Historic | Races on Saturday at 1 & 13 GMT | Rolling 1440 mins | |
| 9 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins | |
| 10 | Nurburgring Endurance Championship - 2026 Season | Nürburgring Combined - Gesamtstrecke VLN | Races on Saturday at 7 & 17:00 GMT & Sunday at 0 & 13 GMT | Rolling 240 mins |