| «1990-03» | San Marino Grand Prix - X Gran Premio di San Marino |
| 1990-05-13 | Imola - Autodromo Internazionale Enzo e Dino Ferrari - 61 laps × 5.04 km : 307.44 km |
| Pos | Car | Driver | Constructor | Time | Speed | Lap | Gap |
|---|---|---|---|---|---|---|---|
| 1 | 19 | Alessandro Nannini | Benetton • Ford Cosworth | 01:27.156 | 208.178 km/h | 60 | |
| 2 | 1 | Alain Prost | Ferrari | 01:27.164 | 208.159 km/h | 56 | +00.008 |
| 3 | 6 | Riccardo Patrese | Williams • Renault | 01:27.475 | 207.419 km/h | 42 | +00.319 |
| 4 | 2 | Nigel Mansell | Ferrari | 01:27.626 | 207.062 km/h | 38 | +00.470 |
| 5 | 28 | Gerhard Berger | McLaren • Honda | 01:27.636 | 207.038 km/h | 48 | +00.480 |
| 6 | 20 | Nelson Piquet | Benetton • Ford Cosworth | 01:28.558 | 204.883 km/h | 37 | +01.402 |
| 7 | 5 | Thierry Boutsen | Williams • Renault | 01:28.840 | 204.232 km/h | 14 | +01.684 |
| 8 | 4 | Jean Alesi | Tyrrell • Ford Cosworth | 01:29.144 | 203.536 km/h | 46 | +01.988 |
| 9 | 12 | Martin Donnelly | Lotus • Lamborghini | 01:29.527 | 202.665 km/h | 29 | +02.371 |
| 10 | 29 | Eric Bernard | Lola • Lamborghini | 01:29.731 | 202.204 km/h | 34 | +02.575 |
| 11 | 26 | Philippe Alliot | Ligier • Ford Cosworth | 01:29.813 | 202.020 km/h | 44 | +02.657 |
| 12 | 11 | Derek Warwick | Lotus • Lamborghini | 01:29.829 | 201.984 km/h | 56 | +02.673 |
| 13 | 25 | Nicola Larini | Ligier • Ford Cosworth | 01:30.461 | 200.573 km/h | 55 | +03.305 |
| 14 | 27 | Ayrton Senna | McLaren • Honda | 01:30.615 | 200.232 km/h | 3 | +03.459 |
| 15 | 24 | Paolo Barilla | Minardi • Ford Cosworth | 01:30.848 | 199.718 km/h | 55 | +03.692 |
| 16 | 30 | Aguri Suzuki | Lola • Lamborghini | 01:31.136 | 199.087 km/h | 14 | +03.980 |
| 17 | 36 | JJ Lehto | Onyx • Ford Cosworth | 01:31.374 | 198.569 km/h | 35 | +04.218 |
| 18 | 8 | Stefano Modena | Brabham • Judd | 01:31.661 | 197.947 km/h | 21 | +04.505 |
| 19 | 35 | Gregor Foitek | Onyx • Ford Cosworth | 01:31.964 | 197.295 km/h | 34 | +04.808 |
| 20 | 14 | Olivier Grouillard | Osella • Ford Cosworth | 01:32.011 | 197.194 km/h | 52 | +04.855 |
| 21 | 22 | Andrea de Cesaris | Dallara • Ford Cosworth | 01:32.125 | 196.950 km/h | 21 | +04.969 |
| 22 | 15 | Mauricio Gugelmin | Leyton House • Judd | 01:32.547 | 196.052 km/h | 9 | +05.391 |
| 23 | 21 | Emanuele Pirro | Dallara • Ford Cosworth | 01:34.266 | 192.477 km/h | 2 | +07.110 |