| Date | Grandprix | Team | Winning Time | Leader Offset | Pos | Pts | Total |
| 06/03/2005 | Australia | Williams | Retirement - a crash involving Michael Schumacher | 0 | 0 | ||
| 20/03/2005 | Malaysia | Williams | 91:33.736 | +33.60 | 3 | 6 | 6 |
| 03/04/2005 | Bahrain | Williams | Retirement - engine failure | 0 | 6 | ||
| 24/04/2005 | San Marino | Williams | 87:41.921 | +71.20 | 6 | 3 | 9 |
| 08/05/2005 | Spain | Williams | 87:16.830 | +1 lap | 10 | 0 | 9 |
| 22/05/2005 | Monaco | Williams | 103:51.21 | +13.80 | 2 | 8 | 17 |
| 29/05/2005 | Europe | Williams | 91:46.64 | +16.50 | 2 | 8 | 25 |
| 12/06/2005 | Canada | Williams | Retirement - engine failure. | 0 | 25 | ||
| 19/06/2005 | United States | Williams | Retirement - concern over their Michelin tyres. | 0 | 25 | ||
| 03/07/2005 | France | Williams | 91:22.233 | +4 lap | 14 | 0 | 25 |
| 10/07/2005 | Britain | Williams | 84:29.588 | +1 lap | 12 | 0 | 25 |
| 24/07/2005 | Germany | Williams | 86:28.599 | +1 lap | 11 | 0 | 25 |
| 31/07/2005 | Hungary | Williams | 97:25.552 | +68.37 | 6 | 3 | 28 |
| 21/08/2005 | Turkey | Williams | Retirement - a puncture. | 0 | 28 | ||