Races in calendar week 20/2013
All motorsport events on the weekend of 17–19 May 2013.
| Circuit | Country | Series |
|---|---|---|
| Austin |  USA |
|
| Brands Hatch |  Great Britain |
|
| Brno |  Czechia |
|
| Imola |  Italy |
|
| Nürburgring |  Germany |
|
| Nürburgring (Nordschleife) | Germany |
|
| Salvador |  Brazil |
|
| Salzburg |  Austria |
|