Races in calendar week 44/2021
All motorsport events on the weekend of 5–7 Nov 2021.
| Circuit | Country | Series |
|---|---|---|
| Adria |  Italy |
|
| Alta Gracia (Cordoba) |  Argentina |
|
| Austin |  USA |
|
| Eastern Creek (Sydney) |  Australia |
|
| Manama |  Bahrain |
|
| Mexico City |  Mexico |
|
| Motegi |  Japan |
|
| Nürburgring |  Germany |
|
| Phoenix (oval) | USA |
|