Races in calendar week 31/2013
All motorsport events on the weekend of 2–4 Aug 2013.
| Circuit | Country | Series |
|---|---|---|
| Inje (Autopia) |  South Korea |
|
| Ipswich (Queensland) |  Australia |
|
| Lexington |  USA |
|
| Moscow |  Russia |
|
| Motegi |  Japan |
|
| Nürburgring |  Germany |
|
| Pocono (oval) | USA |
|
| Termas de Rio Hondo |  Argentina |
|