Races in calendar week 31/2003

All motorsport events on the weekend of 1–3 Aug 2003.

Circuit	Country	Series
Assen	Netherlands	Race results available (full) Formula Renault 2000 Masters 2003
Elkhart Lake (Road America)	USA	Race results available (full) CART ChampCar World Series 2003
Fuji	Japan	Race results available (full) All-Japan GT Championship 2003
Hockenheim	Germany	Race results available (full) FIA Formula 1 World Championship 2003 Race results available (full) FIA Formula 3000 Int. Championship 2003 Race results available (full) Porsche Supercup 2003
Rockingham	Great Britain	Race results available (full) British Formula 3 Championship 2003
Trois-Rivières	Canada	Race results available (full) Formula Toyota Atlantic 2003 Race results available (full) American LeMans Series 2003
Winton Raceway	Australia	Race results available (full) Formula Holden 2003