Races in calendar week 27/2005
All motorsport events on the weekend of 8–10 Jul 2005.
| Circuit | Country | Series |
|---|---|---|
| Le Mans (Bugatti) |  France |
|
| Monza |  Italy |
|
| Mugello | Italy |
|
| Nürburgring |  Germany |
|
| Silverstone |  Great Britain |
|
| Toronto |  Canada |
|