Races in calendar week 17/2005
All motorsport events on the weekend of 29 Apr–1 May 2005.
| Circuit | Country | Series |
|---|---|---|
| Fuji |  Japan |
|
| Lausitz |  Germany |
|
| Magny-Cours |  France |
|
| Monterey (Laguna Seca) |  USA |
|
| Motegi (oval) | Japan |
|
| Sao Paulo |  Brazil |
|
| Zolder |  Belgium |
|