Practice 1 - 19/08/2005 at 11:00
| P. | Helmet | Driver | Nat. | Team | Time |
|---|---|---|---|---|---|
| 1 | Raikkonen K. | FIN | West McLaren Mercedes | 1:28.453 | |
| 2 | Webber M. | AUS | BMW Williams F1 | 1:28.765 | |
| 3 | Button J. | GBR | Lucky Strike BAR Honda | 1:28.968 | |
| 4 | Montoya J. | COL | West McLaren Mercedes | 1:29.183 | |
| 5 | Alonso F. | SPA | Mild Seven Renault F1 | 1:29.283 | |
| 6 | Schumacher M. | GER | Scuderia Ferrari Marlboro | 1:29.766 | |
| 7 | Sato T. | JAP | Lucky Strike BAR Honda | 1:30.050 | |
| 8 | Fisichella G. | ITA | Mild Seven Renault F1 | 1:30.106 | |
| 9 | Massa F. | BRA | Sauber Petronas | 1:30.368 | |
| 10 | Schumacher R. | GER | Panasonic Toyota Racing | 1:30.563 | |
| 11 | Trulli J. | ITA | Panasonic Toyota Racing | 1:30.785 | |
| 12 | Heidfeld N. | GER | BMW Williams F1 | 1:30.847 | |
| 13 | Villeneuve J. | CAN | Sauber Petronas | 1:30.847 | |
| 14 | Klien C. | AUT | Red Bull Racing | 1:31.008 | |
| 15 | Barrichello R. | BRA | Scuderia Ferrari Marlboro | 1:31.294 | |
| 16 | Coulthard D. | SCO | Red Bull Racing | 1:31.306 | |
| 17 | Monteiro T. | POR | Jordan Grand Prix | 1:32.147 | |
| 18 | Karthikeyan N. | IND | Jordan Grand Prix | 1:32.886 | |
| 19 | Albers C. | NL | Minardi F1 | 1:33.474 | |
| 20 | Doornbos R. | HOL | Minardi F1 | 1:35.367 |