2003 World Champions
Valentino Rossi became the MotoGP World Champion
Manuel Poggiali (pictured in 2008) became the 250cc World Champion
Daniel Pedrosa became the 125cc World Champion
The 2003 Grand Prix motorcycle racing season was the 55th F.I.M. Road racing World Championship season. The season consisted of 16 races, beginning with the Japanese motorcycle Grand Prix on 6 April 2003 and ending with the Valencian Community motorcycle Grand Prix on 2 November.