Calendario Motomondiale 2003
| Data | GP | Circuito | 6/4 | Grand Prix of Japan | Suzuka (JPN) |
| 27/4 | Grand Prix Phakisa | Freeway (SA) |
| 11/5 | Gran Premio de Espaņa | Jerez (E) |
| 25/5 | Grand Prix de France | Le Mans (F) |
| 8/6 | Gran Premio d'Italia | Mugello (I) |
| 15/6 | Gran Premio de Catalunya | Circuit de Catalunya (E) |
| 28/6 | Dutch TT | Assen (NL) |
| 13/7 | British Grand Prix | Donington Park (GB) |
| 27/7 | Motorrad Grand Prix Deutschland | Sachsenring (D) |
| 17/8 | Grand Prix Ceske Republiky | Automotodrom Brno (CZ) |
| 7/9 | Grande Premio de Portugal | Estoril (P) |
| 20/9 | Rio Grand Prix | Nelson Piquet (BRA) |
| 5/10 | Pacific Grand Prix of Motegi | Motegi (JPN) |
| 12/10 | Malaysian Motorcycle Grand Prix | Sepang Circuit (MAL) |
| 19/10 | Australian Grand Prix | Phillip Island (AUS) |
| 2/11 | Gran Premio de la Comunitat Valenciana | Comunitat Valenciana (E) |