Prove libere 1 - 18/03/2005 Ore 04:00
| P. | Casco | Pilota | Naz. | Scuderia | Tempo |
|---|---|---|---|---|---|
| 1 | Schumacher M. | GER | Scuderia Ferrari Marlboro | 1:36.011 | |
| 2 | Button J. | GBR | Lucky Strike BAR Honda | 1:36.513 | |
| 3 | Heidfeld N. | GER | BMW Williams F1 | 1:36.551 | |
| 4 | Raikkonen K. | FIN | West McLaren Mercedes | 1:36.563 | |
| 5 | Montoya J. | COL | West McLaren Mercedes | 1:36.610 | |
| 6 | Massa F. | BRA | Sauber Petronas | 1:36.963 | |
| 7 | Webber M. | AUS | BMW Williams F1 | 1:36.989 | |
| 8 | Schumacher R. | GER | Panasonic Toyota Racing | 1:37.168 | |
| 9 | Coulthard D. | SCO | Red Bull Racing | 1:37.338 | |
| 10 | Davidson A. | GBR | Lucky Strike BAR Honda | 1:37.366 | |
| 11 | Klien C. | AUT | Red Bull Racing | 1:37.642 | |
| 12 | Barrichello R. | BRA | Scuderia Ferrari Marlboro | 1:37.843 | |
| 13 | Villeneuve J. | CAN | Sauber Petronas | 1:38.416 | |
| 14 | Monteiro T. | POR | Jordan Grand Prix | 1:39.571 | |
| 15 | Karthikeyan N. | IND | Jordan Grand Prix | 1:40.375 | |
| 16 | Friesacher P. | AUT | Minardi F1 | 1:43.574 | |
| 17 | Albers C. | NL | Minardi F1 | 1:43.691 | |
| 18 | Alonso F. | SPA | Mild Seven Renault F1 | 9:99.999 | |
| 19 | Fisichella G. | ITA | Mild Seven Renault F1 | 9:99.999 | |
| 20 | Trulli J. | ITA | Panasonic Toyota Racing | 9:99.999 |