Races in calendar week 40/2025
All motorsport events on the weekend of 3–5 Oct 2025.
| Circuit | Country | Series |
|---|---|---|
| Charlotte |  USA |
|
| Donington Park |  Great Britain |
|
| Hockenheim |  Germany |
|
| Mogi Guaçu (Velo Cittá) |  Brazil |
|
| Singapore |  Singapore |
|