| Date | Grandprix | Team | Winning Time | Leader Offset | Pos | Pts | Total |
| 07/03/2004 | Australia | Honda | 0:00.000 | +1 lap | 9 | 0 | 0 |
| 21/03/2004 | Malaysia | Honda | Retirement - a blown engine | 0 | 0 | ||
| 04/04/2004 | Bahrain | Honda | 88:34.875 | +60.50 | 5 | 4 | 4 |
| 25/04/2004 | San Marino | Honda | Retirement - engine failure | 0 | 4 | ||
| 09/05/2004 | Spain | Honda | 87:32.841 | +42.30 | 5 | 4 | 8 |
| 23/05/2004 | Monaco | Honda | Retirement - accident | 0 | 8 | ||
| 30/05/2004 | Europe | Honda | Retirement - engine failure | 0 | 8 | ||
| 13/06/2004 | Canada | Honda | Retirement - engine failure | 0 | 8 | ||
| 20/06/2004 | United States | Honda | 99:29.914 | +19.50 | 3 | 6 | 14 |
| 04/07/2004 | France | Honda | Retirement - engine failure | 0 | 14 | ||
| 11/07/2004 | Britain | Honda | 84:42.700 | +33.70 | 11 | 0 | 14 |
| 25/07/2004 | Germany | Honda | 86:54.848 | +46.80 | 8 | 1 | 15 |
| 15/08/2004 | Hungary | Honda | 95:26.131 | +1 lap | 6 | 3 | 18 |
| 29/08/2004 | Belgium | Honda | Retirement - a crash | 0 | 18 | ||
| 12/09/2004 | Italy | Honda | 75:18.448 | +15.30 | 4 | 5 | 23 |
| 26/09/2004 | China | Honda | 99:12.420 | +54.70 | 6 | 3 | 26 |
| 10/10/2004 | Japan | Honda | 84:26.585 | +31.70 | 4 | 5 | 31 |
| 24/10/2004 | Brazil | Honda | 98:01.451 | +50.20 | 6 | 3 | 34 |