Races in calendar week 30/2003
All motorsport events on the weekend of 25–27 Jul 2003.
| Circuit | Country | Series |
|---|---|---|
| Brooklyn (oval) |  USA |
|
| Donington Park |  Great Britain |
|
| Magny-Cours |  France |
|
| Sonoma (Sears Point) | USA |
|
| Spa-Francorchamps |  Belgium |
|
| Sugo |  Japan |
|
| Vancouver |  Canada |
|