iRacing Production Car Calendar
2 matching series across 24 scheduled series-weeks, including 0 fixed-setup series. Browse every published week, track and race cadence.
2026 Season 4 · 2 seriess · 12 track configurations · 4 cars · 0 fixed-setup series
Categories: SPORTS CAR. Published week starts run from to . The most-scheduled configuration is Autodromo Nazionale Monza - GP without first chicane, used for 2 series-weeks.
Series in this calendar
- Production Car Challenge by Sim-Lab - 2026 Season 4
- Production Endurance Challenge - 2026 Season 4
2026 Season 4 schedule
| Week | Week starts | Series | Track | Race cadence | Length |
|---|---|---|---|---|---|
| 1 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Hockenheimring Baden-Württemberg - Outer | Races every hour at :30 past | Rolling 25 mins | |
| 1 | Production Endurance Challenge - 2026 Season 4 | Hockenheimring Baden-Württemberg - Outer | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 2 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Autodromo Nazionale Monza - GP without first chicane | Races every hour at :30 past | Rolling 25 mins | |
| 2 | Production Endurance Challenge - 2026 Season 4 | Autodromo Nazionale Monza - GP without first chicane | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 3 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Snetterton Circuit - 300 | Races every hour at :30 past | Rolling 25 mins | |
| 3 | Production Endurance Challenge - 2026 Season 4 | Snetterton Circuit - 300 | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 4 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Motorsport Arena Oschersleben - Grand Prix | Races every hour at :30 past | Rolling 25 mins | |
| 4 | Production Endurance Challenge - 2026 Season 4 | Motorsport Arena Oschersleben - Grand Prix | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 5 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Silverstone Circuit - International | Races every hour at :30 past | Rolling 25 mins | |
| 5 | Production Endurance Challenge - 2026 Season 4 | Silverstone Circuit - International | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 6 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Nürburgring Grand-Prix-Strecke - Kurzanbindung w/out Arena | Races every hour at :30 past | Rolling 25 mins | |
| 6 | Production Endurance Challenge - 2026 Season 4 | Nürburgring Grand-Prix-Strecke - Kurzanbindung w/out Arena | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 7 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Circuito de Navarra - Speed Circuit | Races every hour at :30 past | Rolling 25 mins | |
| 7 | Production Endurance Challenge - 2026 Season 4 | Circuito de Navarra - Speed Circuit | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 8 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Sonoma Raceway - Cup Long | Races every hour at :30 past | Rolling 25 mins | |
| 8 | Production Endurance Challenge - 2026 Season 4 | Sonoma Raceway - Cup Long | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 9 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Circuit des 24 Heures du Mans - Historic | Races every hour at :30 past | Rolling 25 mins | |
| 9 | Production Endurance Challenge - 2026 Season 4 | Circuit des 24 Heures du Mans - Historic | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 10 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Summit Point Raceway - Summit Point Raceway | Races every hour at :30 past | Rolling 25 mins | |
| 10 | Production Endurance Challenge - 2026 Season 4 | Summit Point Raceway - Summit Point Raceway | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 11 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Watkins Glen International - Classic Boot | Races every hour at :30 past | Rolling 25 mins | |
| 11 | Production Endurance Challenge - 2026 Season 4 | Watkins Glen International - Classic Boot | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins | |
| 12 | Production Car Challenge by Sim-Lab - 2026 Season 4 | Oulton Park Circuit - Island Historic | Races every hour at :30 past | Rolling 25 mins | |
| 12 | Production Endurance Challenge - 2026 Season 4 | Oulton Park Circuit - Island Historic | Races Friday at 19 GMT, Saturday at 7 GMT, Sunday at 18 GMT | Rolling 120 mins |