Qualifying 1 - 18/04/2003 at 11:00
| P. | Helmet | Driver | Nat. | Team | Time |
|---|---|---|---|---|---|
| 1 | Schumacher R. | GER | BMW Williams F1 | 1.21.335 | |
| 2 | Montoya J. | COL | BMW Williams F1 | 1.21.409 | |
| 3 | Webber M. | AUS | Jaguar Racing | 1.22.056 | |
| 4 | Coulthard D. | SCO | West McLaren Mercedes | 1.22.121 | |
| 5 | Alonso F. | SPA | Mild Seven Renault F1 | 1.22.561 | |
| 6 | Button J. | GBR | Lucky Strike BAR Honda | 1.22.669 | |
| 7 | Frentzen H. | GER | Sauber Petronas | 1.22.714 | |
| 8 | Trulli J. | ITA | Mild Seven Renault F1 | 1.23.051 | |
| 9 | Schumacher M. | GER | Scuderia Ferrari Marlboro | 1.23.057 | |
| 10 | Barrichello R. | BRA | Scuderia Ferrari Marlboro | 1.23.057 | |
| 11 | Fisichella G. | ITA | Jordan Ford | 1.23.267 | |
| 12 | Pizzonia A. | BRA | Jaguar Racing | 1.23.426 | |
| 13 | Raikkonen K. | FIN | West McLaren Mercedes | 1.23.550 | |
| 14 | Heidfeld N. | GER | Sauber Petronas | 1.23.834 | |
| 15 | Fiman R. | GBR | Jordan Ford | 1.24.007 | |
| 16 | Da Matta C. | BRA | Panasonic Toyota Racing | 1.24.117 | |
| 17 | Panis O. | FRA | Panasonic Toyota Racing | 1.24.565 | |
| 18 | Villeneuve J. | CAN | Lucky Strike BAR Honda | 1.25.153 | |
| 19 | Verstappen J. | OLA | European Minardi Cosworth | 1.25.180 | |
| 20 | Wilson J. | GBR | European Minardi Cosworth | 1.25.706 |