Races in calendar week 21/2008

All motorsport events on the weekend of 23–25 May 2008.

Circuit	Country	Series
Charlotte (oval)	USA	Race results available (limited) NASCAR Sprint Cup 2008
Indianapolis (oval)	USA	Race results available (full) IRL IndyCar Series 2008 Race results available (full) IRL Indy Lights 2008
Lakeville (Lime Rock)	USA	Race results available (full) Grand-Am Sports Car Series 2008
Monte Carlo	Monaco	Race results available (full) FIA Formula 1 World Championship 2008 Race results available (full) GP2 Series 2008 Race results available (full) Formula Renault 3.5 World Series 2008 Race results available (full) Porsche Supercup 2008
Motegi	Japan	Race results available (full) Formula Nippon 2008 Race results available (full) All-Japan Formula 3 Championship 2008
Nürburgring	Germany	Race results available (full) German Formula-3-Cup 2008
Nürburgring (Nordschleife)	Germany	Race results available (full) 24h Nürburgring Nordschleife 2008
Rockingham	Great Britain	Race results available (full) British Formula 3 Championship 2008