Races in calendar week 34/2013
All motorsport events on the weekend of 23–25 Aug 2013.
| Circuit | Country | Series |
|---|---|---|
| Bristol (oval) |  USA |
|
| Curitiba |  Brazil |
|
| Sonoma (Sears Point) | USA |
|
| Spa-Francorchamps |  Belgium |
|
| Winton Raceway |  Australia |
|