Races in calendar week 42/2003

All motorsport events on the weekend of 17–19 Oct 2003.

Circuit	Country	Series
Braselton (Road Atlanta)	USA	Race results available (full) American LeMans Series 2003
Brasilia	Brazil	Race results available (full) Stock Car Brasil 2003
Monza	Italy	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
Motegi	Japan	Race results available (full) Formula Nippon 2003 Race results available (full) All-Japan Formula 3 Championship 2003
Valencia (Cheste)	Spain	Race results available (full) Formula Nissan V6 World Series 2003 Race results available (full) World Series Light 2003