Races in calendar week 38/2025
All motorsport events on the weekend of 19–21 Sep 2025.
| Circuit | Country | Series |
|---|---|---|
| Baku (Government House) |  Azerbaijan |
|
| Barcelona |  Spain |
|
| Danville (Virginia Raceway) |  USA |
|
| Indianapolis | USA |
|
| Irungattukottai (Chenai) |  India |
|
| Jerez | Spain |
|
| Loudon (oval) | USA |
|
| Sugo |  Japan |
|
| Valencia (Cheste) | Spain |
|