Races in calendar week 22/2015
All motorsport events on the weekend of 29–31 May 2015.
| Circuit | Country | Series |
|---|---|---|
| Curitiba |  Brazil |
|
| Detroit (Belle Isle) |  USA |
|
| Dover (oval) | USA |
|
| Lausitz |  Germany |
|
| Monza |  Italy |
|
| Salzburg |  Austria |
|
| Spa-Francorchamps |  Belgium |
|