250cc Classification
| Pos | Rider | Manufacturer | Time/Retired | Grid | Points |
|---|---|---|---|---|---|
| 1 | Dani Pedrosa | Honda | 41:29.428 | 1 | 25 |
| 2 | Casey Stoner | Aprilia | +5.637 | 8 | 20 |
| 3 | Andrea Dovizioso | Honda | +10.597 | 9 | 16 |
| 4 | Hiroshi Aoyama | Honda | +17.638 | 5 | 13 |
| 5 | Simone Corsi | Aprilia | +19.499 | 10 | 11 |
| 6 | Randy de Puniet | Aprilia | +33.235 | 4 | 10 |
| 7 | Yuki Takahashi | Honda | +37.408 | 12 | 9 |
| 8 | Sylvain Guintoli | Aprilia | +37.530 | 11 | 8 |
| 9 | Mirko Giansanti | Aprilia | +42.814 | 16 | 7 |
| 10 | Alex Baldolini | Aprilia | +43.611 | 19 | 6 |
| 11 | Alex Debón | Honda | +43.891 | 18 | 5 |
| 12 | Roberto Locatelli | Aprilia | +45.800 | 22 | 4 |
| 13 | Erwan Nigon | Aprilia | +58.190 | 20 | 3 |
| 14 | Hugo Marchand | Aprilia | +1:04.356 | 21 | 2 |
| 15 | Gregory Leblanc | Aprilia | +1:04.399 | 23 | 1 |
| 16 | Héctor Barberá | Honda | +1:19.129 | 7 | |
| 17 | Martin Cardenas | Aprilia | +1:20.909 | 25 | |
| 18 | Frederik Watz | Yamaha | +1:35.685 | 27 | |
| 19 | Steve Jenkner | Aprilia | +1 Lap | 14 | |
| 20 | Gabor Rizmayer | Yamaha | +1 Lap | 28 | |
| 21 | Gabriele Ferro | Fantic | +1 Lap | 29 | |
| Ret | Chaz Davies | Aprilia | Retirement | 15 | |
| Ret | Jorge Lorenzo | Honda | Collision | 2 | |
| Ret | Alex de Angelis | Aprilia | Collision | 6 | |
| Ret | Andrea Ballerini | Aprilia | Retirement | 17 | |
| Ret | Jakub Smrž | Honda | Retirement | 13 | |
| Ret | Arnaud Vincent | Fantic | Retirement | 24 | |
| Ret | Sebastián Porto | Aprilia | Retirement | 3 |
Read more about this topic: 2005 Catalan Motorcycle Grand Prix