125cc Classification
| Pos | No. | Rider | Manufacturer | Laps | Time/Retired | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 58 | Marco Simoncelli | Aprilia | 23 | 42:27.960 | 1 | 25 |
| 2 | 36 | Mika Kallio | KTM | 23 | +1.418 | 5 | 20 |
| 3 | 32 | Fabrizio Lai | Honda | 23 | +1.510 | 4 | 16 |
| 4 | 75 | Mattia Pasini | Aprilia | 23 | +8.282 | 2 | 13 |
| 5 | 14 | Gábor Talmácsi | KTM | 23 | +8.930 | 6 | 11 |
| 6 | 54 | Manuel Poggiali | Gilera | 23 | +13.651 | 11 | 10 |
| 7 | 55 | Héctor Faubel | Aprilia | 23 | +14.590 | 7 | 9 |
| 8 | 6 | Joan Olivé | Aprilia | 23 | +17.164 | 24 | 8 |
| 9 | 60 | Julián Simón | KTM | 23 | +17.262 | 14 | 7 |
| 10 | 43 | Manuel Hernández | Aprilia | 23 | +31.147 | 15 | 6 |
| 11 | 63 | Mike Di Meglio | Honda | 23 | +34.737 | 16 | 5 |
| 12 | 22 | Pablo Nieto | Derbi | 23 | +34.801 | 13 | 4 |
| 13 | 28 | Jordi Carchano | Aprilia | 23 | +37.146 | 17 | 3 |
| 14 | 41 | Aleix Espargaró | Honda | 23 | +49.591 | 22 | 2 |
| 15 | 18 | Nicolás Terol | Derbi | 23 | +51.629 | 26 | 1 |
| 16 | 45 | Imre Tóth | Aprilia | 23 | +54.608 | 19 | |
| 17 | 86 | Mateo Túnez | Aprilia | 23 | +54.747 | 32 | |
| 18 | 10 | Federico Sandi | Honda | 23 | +54.960 | 25 | |
| 19 | 84 | Julián Miralles | Aprilia | 23 | +55.527 | 30 | |
| 20 | 11 | Sandro Cortese | Honda | 23 | +1:10.864 | 21 | |
| 21 | 29 | Andrea Iannone | Aprilia | 23 | +1:22.697 | 29 | |
| 22 | 44 | Karel Abraham | Aprilia | 23 | +1:26.526 | 36 | |
| 23 | 16 | Raymond Schouten | Honda | 23 | +1:38.103 | 35 | |
| 24 | 31 | Sascha Hommel | Malaguti | 23 | +1:47.461 | 37 | |
| 25 | 26 | Vincent Braillard | Aprilia | 22 | +1 lap | 27 | |
| Ret | 71 | Tomoyoshi Koyama | Honda | 21 | Retirement | 10 | |
| Ret | 7 | Alexis Masbou | Honda | 20 | Retirement | 28 | |
| Ret | 49 | Daniel Sáez | Aprilia | 19 | Retirement | 38 | |
| Ret | 25 | Dario Giuseppetti | Aprilia | 16 | Accident | 31 | |
| Ret | 12 | Thomas Lüthi | Honda | 15 | Retirement | 3 | |
| Ret | 9 | Toshihisa Kuzuhara | Honda | 15 | Retirement | 23 | |
| Ret | 33 | Sergio Gadea | Aprilia | 10 | Accident | 18 | |
| Ret | 52 | Lukáš Pešek | Derbi | 9 | Retirement | 12 | |
| Ret | 47 | Ángel Rodríguez | Honda | 6 | Retirement | 33 | |
| Ret | 35 | Raffaele de Rosa | Aprilia | 3 | Accident | 8 | |
| Ret | 15 | Michele Pirro | Malaguti | 0 | Accident | 34 | |
| Ret | 19 | Álvaro Bautista | Honda | 0 | Retirement | 20 | |
| Ret | 48 | David Bonache | Honda | 0 | Retirement | 39 | |
| Ret | 8 | Lorenzo Zanetti | Aprilia | 0 | Not started | 9 | |
| DNQ | 87 | Patrik Vostárek | Honda |
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FIM Grand Prix World Championship 2005 season |
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| Previous race: 2004 Spanish Grand Prix |
Spanish motorcycle Grand Prix | Next race: 2006 Spanish Grand Prix |
Read more about this topic: 2005 Spanish Motorcycle Grand Prix