Course disputée sur le circuit de Estoril
| Position | Numéro | Pilote | Team | Temps | Tours | Points | Départ |
|---|---|---|---|---|---|---|---|
| 1 | 4 | Alex Barros | Camel Honda | 20:14:13 | 28 | 25 | 1 |
| 2 | 46 | Valentino Rossi | Gauloise Yamaha | 21:00:24 | 28 | 20 | 4 |
| 3 | 3 | Max Biaggi | Honda Racing Corporation | 21:55:24 | 28 | 16 | 8 |
| 4 | 33 | Marco Melandri | Honda Gresini | 04:26:39 | 28 | 13 | 5 |
| 5 | 7 | Carlos Checa | Ducati Marlboro Team | 04:30:27 | 28 | 11 | 3 |
| 6 | 5 | Colin Edwards | Gauloise Yamaha | 08:31:09 | 28 | 10 | 7 |
| 7 | 69 | Nicky Hayden | Repsol Honda Team | 12:06:14 | 28 | 9 | 9 |
| 8 | 56 | Shinya Nakano | Kawasaki Racing Team | 12:51:40 | 28 | 8 | 10 |
| 9 | 65 | Loris Capirossi | Ducati Marlboro Team | 15:02:51 | 28 | 7 | 6 |
| 10 | 11 | Ruben Xaus | Fortuna Yamaha MotoGP | 19:08:04 | 28 | 6 | 12 |
| 11 | 12 | Troy Bayliss | Honda Pons | 22:13:02 | 28 | 5 | 13 |
| 12 | 10 | Kenny Jr Roberts | Team Suzuki MotoGP | 22:21:44 | 28 | 4 | 14 |
| 13 | 44 | Roberto Rolfo | Team d\'Antin Pramac | 22:53:29 | 28 | 3 | 16 |
| 14 | 24 | Toni Elias | Fortuna Yamaha MotoGP | 23:02:25 | 28 | 2 | 15 |
| 15 | 77 | James Ellison | Blata WCM | 21:44:34 | 26 | 1 | 17 |
| 16 | 67 | Shane Byrne | Team Roberts | 07:08:09 | 24 | 0 | 18 |
| 17 | 21 | John Hopkins | Team Suzuki MotoGP | 16:36:27 | 16 | 0 | 11 |
| 18 | 15 | Sete Gibernau | Honda Gresini | 10:45:20 | 16 | 0 | 2 |
| 19 | 27 | Franco Battaini | Blata WCM | 01:13:19 | 8 | 0 | 19 |