125cc Classification
| Pos | Rider | Manufacturer | Time/Retired | Grid | Points |
|---|---|---|---|---|---|
| 1 | Lucio Cecchinello | Aprilia | 40:01.738 | 6 | 25 |
| 2 | Dani Pedrosa | Honda | +0.730 | 10 | 20 |
| 3 | Pablo Nieto | Aprilia | +0.801 | 4 | 16 |
| 4 | Andrea Dovizioso | Honda | +0.810 | 7 | 13 |
| 5 | Alex de Angelis | Aprilia | +1.454 | 3 | 11 |
| 6 | Youichi Ui | Aprilia | +7.656 | 8 | 10 |
| 7 | Stefano Perugini | Aprilia | +7.702 | 2 | 9 |
| 8 | Gino Borsoi | Aprilia | +7.708 | 9 | 8 |
| 9 | Héctor Barberá | Aprilia | +21.704 | 12 | 7 |
| 10 | Gioele Pellino | Aprilia | +22.132 | 13 | 6 |
| 11 | Mirko Giansanti | Aprilia | +22.208 | 16 | 5 |
| 12 | Simone Corsi | Honda | +34.326 | 17 | 4 |
| 13 | Mika Kallio | Honda | +34.434 | 24 | 3 |
| 14 | Masao Azuma | Honda | +34.493 | 22 | 2 |
| 15 | Thomas Lüthi | Honda | +34.879 | 21 | 1 |
| 16 | Gábor Talmácsi | Aprilia | +35.035 | 14 | |
| 17 | Marco Simoncelli | Aprilia | +45.352 | 15 | |
| 18 | Casey Stoner | Aprilia | +46.072 | 1 | |
| 19 | Andrea Ballerini | Gilera | +46.428 | 27 | |
| 20 | Roberto Locatelli | KTM | +46.436 | 20 | |
| 21 | Arnaud Vincent | KTM | +46.615 | 11 | |
| 22 | Michele Conti | Honda | +52.953 | 26 | |
| 23 | Max Sabbatani | Aprilia | +53.338 | 19 | |
| 24 | Mattia Angeloni | Honda | +1:04.110 | 28 | |
| 25 | Robbin Harms | Aprilia | +1:04.186 | 31 | |
| 26 | Alessio Aldrovandi | Malaguti | +1:11.059 | 29 | |
| 27 | Imre Tóth | Honda | +1:16.722 | 25 | |
| 28 | Álvaro Bautista | Aprilia | +1:16.830 | 35 | |
| 29 | Michele Pirro | Aprilia | +1:22.815 | 33 | |
| 30 | Leon Camier | Honda | +1 Lap | 37 | |
| 31 | Peter Lenart | Honda | +1 Lap | 38 | |
| Ret | Jorge Lorenzo | Derbi | Retirement | 18 | |
| Ret | Steve Jenkner | Aprilia | Retirement | 5 | |
| Ret | Fabrizio Lai | Malaguti | Retirement | 32 | |
| Ret | Julian Simon | Malaguti | Retirement | 34 | |
| Ret | Emilio Alzamora | Derbi | Retirement | 23 | |
| Ret | Chris Martin | Aprilia | Retirement | 36 | |
| Ret | Mike Di Meglio | Aprilia | Retirement | 30 |
| Previous race: 2003 French Grand Prix |
FIM Grand Prix World Championship 2003 season |
Next race: 2003 Catalan Grand Prix |
| Previous race: 2002 Italian Grand Prix |
Italian motorcycle Grand Prix | Next race: 2004 Italian Grand Prix |
Read more about this topic: 2003 Italian Motorcycle Grand Prix