Races in calendar week 41/2006
All motorsport events on the weekend of 13–15 Oct 2006.
| Circuit | Country | Series |
|---|---|---|
| Adria |  Italy |
|
| Kamitsue (Autopolis) |  Japan |
|
| Le Mans |  France |
|
| Le Mans (Bugatti) | France |
|
| Vallelunga | Italy |
|
| Viamao (Taruma) |  Brazil |
|