Races in calendar week 28/2015
All motorsport events on the weekend of 10–12 Jul 2015.
| Circuit | Country | Series |
|---|---|---|
| Bowmanville (Mosport) |  Canada |
|
| Milwaukee (oval) |  USA |
|
| Sparta (oval) | USA |
|
| Townsville |  Australia |
|
| Vila Real |  Portugal |
|
| Zandvoort |  Netherlands |
|
| Zeltweg (Spielberg) |  Austria |
|