| Date | Grandprix | Team | Winning Time | Leader Offset | Pos | Pts | Total |
| 06/03/2005 | Australia | Honda | 84:17.33 | +1 lap | 11 | 0 | 0 |
| 20/03/2005 | Malaysia | Honda | Retirement - engine failure | 0 | 0 | ||
| 03/04/2005 | Bahrain | Honda | Retirement - mechanical failure | 0 | 0 | ||
| 24/04/2005 | San Marino | Honda | Disqualified - Weight infringement | 0 | 0 | ||
| 29/05/2005 | Europe | Honda | 91:46.64 | +95.70 | 10 | 0 | 0 |
| 12/06/2005 | Canada | Honda | Retirement - accident. | 0 | 0 | ||
| 19/06/2005 | United States | Honda | Retirement - concern over their Michelin tyres. | 0 | 0 | ||
| 03/07/2005 | France | Honda | 91:22.233 | +1 lap | 4 | 5 | 5 |
| 10/07/2005 | Britain | Honda | 84:29.588 | +40.20 | 5 | 4 | 9 |
| 24/07/2005 | Germany | Honda | 86:28.599 | +24.42 | 3 | 6 | 15 |
| 31/07/2005 | Hungary | Honda | 97:25.552 | +58.83 | 5 | 4 | 19 |
| 21/08/2005 | Turkey | Honda | 84:34.454 | +39.30 | 5 | 4 | 23 |
| 04/09/2005 | Italy | Honda | 74:28.659 | +63.60 | 8 | 1 | 24 |
| 11/09/2005 | Belgium | Honda | 90:01.295 | +30.07 | 3 | 6 | 30 |
| 25/09/2005 | Brazil | Honda | 89:20.574 | +1 lap | 7 | 2 | 32 |
| 09/10/2005 | Japan | Honda | 89:02.212 | +29.50 | 5 | 4 | 36 |
| 16/10/2005 | China | Honda | 99:53.618 | +41.20 | 8 | 1 | 37 |