Races in calendar week 42/2026
All motorsport events on the weekend of 16–18 Oct 2026.
| Circuit | Country | Series |
|---|---|---|
| ? |
|
|
| Barcelona |  Spain |
|
| Cascavel |  Brazil |
|
| Kamitsue (Autopolis) |  Japan |
|
| Phoenix (oval) |  USA |
|
| Portimao (Algarve) |  Portugal |
|