Races in calendar week 33/2003

All motorsport events on the weekend of 15–17 Aug 2003.

Circuit	Country	Series
Bowmanville (Mosport)	Canada	Race results available (full) American LeMans Series 2003
Curitiba	Brazil	Race results available (full) South American Formula 3 Championship 2003 Race results available (full) Stock Car Brasil 2003
Nürburgring	Germany	Race results available (full) Formula 3 Euro Series 2003 Race results available (full) DTM (German Touringcar Masters) 2003
Sparta (oval)	USA	Race results available (full) IRL IndyCar Series 2003 Race results available (full) IRL Infiniti Pro Series 2003
Thruxton	Great Britain	Race results available (full) British Formula 3 Championship 2003