Races in calendar week 40/2003

All motorsport events on the weekend of 3–5 Oct 2003.

Circuit	Country	Series
Barcelona	Spain	Race results available (full) Formula Nissan V6 World Series 2003 Race results available (full) World Series Light 2003
Danville (Virginia Raceway)	USA	Race results available (full) Grand-Am Sports Car Series 2003
Estoril	Portugal	Race results available (full) Formula Renault V6 Eurocup 2003 Race results available (full) FIA GT Championship 2003 Race results available (full) FIA European Touringcar Championship 2003
Hockenheim	Germany	Race results available (full) Formula 3 Euro Series 2003 Race results available (full) DTM (German Touringcar Masters) 2003