125cc Classification
| Pos | Rider | Manufacturer | Time/Retired | Grid | Points |
|---|---|---|---|---|---|
| 1 | Thomas Lüthi | Honda | 38:00.352 | 1 | 25 |
| 2 | Tomoyoshi Koyama | Honda | +2.663 | 6 | 20 |
| 3 | Marco Simoncelli | Aprilia | +2.665 | 4 | 16 |
| 4 | Mattia Pasini | Aprilia | +2.673 | 2 | 13 |
| 5 | Mika Kallio | KTM | +2.860 | 5 | 11 |
| 6 | Héctor Faubel | Aprilia | +2.945 | 13 | 10 |
| 7 | Gábor Talmácsi | KTM | +2.950 | 3 | 9 |
| 8 | Ángel Rodríguez | Honda | +3.386 | 12 | 8 |
| 9 | Sergio Gadea | Aprilia | +10.546 | 22 | 7 |
| 10 | Alexis Masbou | Honda | +10.551 | 17 | 6 |
| 11 | Raffaele de Rosa | Aprilia | +10.851 | 14 | 5 |
| 12 | Fabrizio Lai | Honda | +11.071 | 9 | 4 |
| 13 | Manuel Poggiali | Gilera | +11.133 | 15 | 3 |
| 14 | Mike Di Meglio | Honda | +11.629 | 7 | 2 |
| 15 | Joan Olivé | Aprilia | +15.048 | 10 | 1 |
| 16 | Álvaro Bautista | Honda | +30.883 | 18 | |
| 17 | Aleix Espargaró | Honda | +30.884 | 19 | |
| 18 | Pablo Nieto | Derbi | +49.058 | 25 | |
| 19 | Sandro Cortese | Honda | +49.131 | 16 | |
| 20 | Lorenzo Zanetti | Aprilia | +49.170 | 23 | |
| 21 | Toshihisa Kuzuhara | Honda | +50.660 | 26 | |
| 22 | Manuel Hernández | Aprilia | +51.027 | 28 | |
| 23 | Mateo Túnez | Aprilia | +1:07.317 | 31 | |
| 24 | Gioele Pellino | Malaguti | +1:09.832 | 29 | |
| 25 | Jordi Carchano | Aprilia | +1:21.312 | 24 | |
| 26 | Dario Giuseppetti | Aprilia | +1:28.227 | 35 | |
| 27 | David Bonache | Honda | +1 Lap | 33 | |
| 28 | Blake Leigh-Smith | Honda | +2 Laps | 36 | |
| Ret | Federico Sandi | Honda | Retirement | 30 | |
| Ret | Tom Hatton | Honda | Retirement | 38 | |
| Ret | Nicolás Terol | Derbi | Retirement | 20 | |
| Ret | Lukáš Pešek | Derbi | Retirement | 8 | |
| Ret | Julián Simón | KTM | Retirement | 11 | |
| Ret | Imre Tóth | Aprilia | Retirement | 21 | |
| Ret | Andrea Iannone | Aprilia | Retirement | 34 | |
| Ret | Michele Pirro | Malaguti | Retirement | 32 | |
| Ret | Sascha Hommel | Honda | Retirement | 37 |
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FIM Grand Prix World Championship 2005 season |
Next race: 2005 Turkish Grand Prix |
| Previous race: 2004 Australian Grand Prix |
Australian Grand Prix | Next race: 2006 Australian Grand Prix |
Read more about this topic: 2005 Australian Motorcycle Grand Prix