Races in calendar week 37/2013
All motorsport events on the weekend of 13–15 Sep 2013.
| Circuit | Country | Series |
|---|---|---|
| Budapest |  Hungary |
|
| Joliet (Chicagoland, oval) |  USA |
|
| Melbourne (Sandown) |  Australia |
|
| Orechová Potôň (Slovakiaring) |  Slovakia |
|
| Oschersleben |  Germany |
|
| Porto Alegre (Velopark) |  Brazil |
|