Races in calendar week 40/2013
All motorsport events on the weekend of 4–6 Oct 2013.
| Circuit | Country | Series |
|---|---|---|
| Brno |  Czechia |
|
| Danville (Virginia Raceway) |  USA |
|
| Houston (Reliant Park) | USA |
|
| Kamitsue (Autopolis) |  Japan |
|
| Kansas City (oval) | USA |
|
| Monza |  Italy |
|
| Yeongam |  South Korea |
|