Course disputée sur le circuit de Laguna-seca
| Position | Numéro | Pilote | Team | Temps | Tours | Points | Départ |
|---|---|---|---|---|---|---|---|
| 1 | 69 | Nicky Hayden | Repsol Honda Team | 11:16:14 | 32 | 25 | 1 |
| 2 | 5 | Colin Edwards | Gauloise Yamaha | 11:48:35 | 32 | 20 | 5 |
| 3 | 46 | Valentino Rossi | Gauloise Yamaha | 11:54:46 | 32 | 16 | 2 |
| 4 | 3 | Max Biaggi | Honda Racing Corporation | 12:26:30 | 32 | 13 | 7 |
| 5 | 15 | Sete Gibernau | Honda Gresini | 12:30:52 | 32 | 11 | 13 |
| 6 | 12 | Troy Bayliss | Honda Pons | 17:29:15 | 32 | 10 | 4 |
| 7 | 6 | Makoto Tamada | Konica Minolta Honda | 17:31:07 | 32 | 9 | 9 |
| 8 | 21 | John Hopkins | Team Suzuki MotoGP | 17:42:02 | 32 | 8 | 6 |
| 9 | 56 | Shinya Nakano | Kawasaki Racing Team | 17:49:59 | 32 | 7 | 10 |
| 10 | 65 | Loris Capirossi | Ducati Marlboro Team | 18:31:37 | 32 | 6 | 14 |
| 11 | 11 | Ruben Xaus | Fortuna Yamaha MotoGP | 23:21:26 | 32 | 5 | 16 |
| 12 | 66 | Alexander Hofmann | Kawasaki Racing Team | 01:25:31 | 32 | 4 | 15 |
| 13 | 24 | Toni Elias | Fortuna Yamaha MotoGP | 01:31:57 | 32 | 3 | 17 |
| 14 | 10 | Kenny Jr Roberts | Team Suzuki MotoGP | 07:45:23 | 32 | 2 | 12 |
| 15 | 67 | Shane Byrne | Team Roberts | 10:40:30 | 32 | 1 | 19 |
| 16 | 77 | James Ellison | Blata WCM | 10:44:58 | 32 | 0 | 20 |
| 17 | 27 | Franco Battaini | Blata WCM | 05:16:55 | 31 | 0 | 21 |
| 18 | 44 | Roberto Rolfo | Team d\'Antin Pramac | 03:12:39 | 30 | 0 | 18 |
| 19 | 7 | Carlos Checa | Ducati Marlboro Team | 00:11:58 | 6 | 0 | 8 |
| 20 | 4 | Alex Barros | Camel Honda | 01:00:00 | 0 | 0 | 3 |
| 21 | 33 | Marco Melandri | Honda Gresini | 01:00:00 | 0 | 0 | 11 |