Races in calendar week 25/2005
All motorsport events on the weekend of 24–26 Jun 2005.
| Circuit | Country | Series |
|---|---|---|
| Alta Gracia (Cordoba) |  Argentina |
|
| Brno |  Czechia |
|
| Castle Combe |  Great Britain |
|
| Cleveland |  USA |
|
| Estoril |  Portugal |
|
| Oschersleben |  Germany |
|
| Puebla |  Mexico |
|
| Richmond (oval) | USA |
|
| Sepang |  Malaysia |
|