2003 Japanese motorcycle Grand Prix 250cc classification 250cc classification

| Rider | Manufacturer | Laps | Time_Retired | Grid |
|---|---|---|---|---|
| Jaroslav Huleš | Yamaha | 19 | +1:35.538 | 15 |
| Chaz Davies | Aprilia | 19 | +1:38.489 | 29 |
| Henk vd Lagemaat | Honda | 19 | +1:41.507 | 25 |
| Katja Poensgen | Honda | 18 | +1 lap | 26 |
| Héctor Faubel | Aprilia | 18 | Accident | 18 |
| Christian Gemmel | Honda | 17 | Accident | 24 |
| Alex Baldolini | Aprilia | 17 | Retirement | 11 |
| Anthony West | Aprilia | 15 | Accident | 17 |
| Toni Elías | Aprilia | 14 | Retirement | 27 |
| Katsuyuki Nakasuga | Yamaha | 10 | Accident | 2 |
| Randy de Puniet | Aprilia | 4 | Retirement | 20 |
| Dirk Heidolf | Aprilia | 0 | Accident | 19 |
| Tomoyoshi Koyama | Yamaha | 0 | Accident | 22 |
| Hugo Marchand | Aprilia | 0 | Retirement | 14 |