Races in calendar week 20/2015
All motorsport events on the weekend of 15–17 May 2015.
| Circuit | Country | Series |
|---|---|---|
| Imola |  Italy |
|
| Nürburgring (Nordschleife) |  Germany |
|
| Obera |  Argentina |
|
| Pau |  France |
|
| Watkins Glen |  USA |
|
| Winton Raceway |  Australia |
|