| «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 | Grid | Car | Driver | Constructor | Laps | Time / Gap | Interval | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 3 | 6 | Riccardo Patrese | Williams • Renault | 61 | 1:30:55.478 | 202.876 km/h | 9 |
| 2 | 2 | 28 | Gerhard Berger | McLaren • Honda | 61 | +05.117 | +05.117 | 6 |
| 3 | 9 | 19 | Alessandro Nannini | Benetton • Ford Cosworth | 61 | +06.240 | +01.123 | 4 |
| 4 | 6 | 1 | Alain Prost | Ferrari | 61 | +06.843 | +00.603 | 3 |
| 5 | 8 | 20 | Nelson Piquet | Benetton • Ford Cosworth | 61 | +53.112 | +46.269 | 2 |
| 6 | 7 | 4 | Jean Alesi | Tyrrell • Ford Cosworth | 60 | +1 lap | 1 | |
| 7 | 10 | 11 | Derek Warwick | Lotus • Lamborghini | 60 | +1 lap | ||
| 8 | 11 | 12 | Martin Donnelly | Lotus • Lamborghini | 60 | +1 lap | ||
| 9 | 16 | 26 | Philippe Alliot | Ligier • Ford Cosworth | 60 | +1 lap | ||
| 10 | 20 | 25 | Nicola Larini | Ligier • Ford Cosworth | 59 | +2 laps | ||
| 11 | 26 | 24 | Paolo Barilla | Minardi • Ford Cosworth | 59 | +2 laps | ||
| 12 | 25 | 36 | JJ Lehto | Onyx • Ford Cosworth | 59 | +2 laps | ||
| 13 | 13 | 29 | Eric Bernard | Lola • Lamborghini | 56 | gearbox | ||
| 22 | 14 | Olivier Grouillard | Osella • Ford Cosworth | 52 | wheel bearing | |||
| 5 | 2 | Nigel Mansell | Ferrari | 38 | engine | |||
| 23 | 35 | Gregor Foitek | Onyx • Ford Cosworth | 35 | engine | |||
| 14 | 8 | Stefano Modena | Brabham • Judd | 31 | brakes | |||
| 17 | 22 | Andrea de Cesaris | Dallara • Ford Cosworth | 29 | wheel nut | |||
| 12 | 15 | Mauricio Gugelmin | Leyton House • Judd | 24 | ignition | |||
| 4 | 5 | Thierry Boutsen | Williams • Renault | 17 | engine | |||
| 15 | 30 | Aguri Suzuki | Lola • Lamborghini | 17 | transmission | |||
| 1 | 27 | Ayrton Senna | McLaren • Honda | 3 | wheel rim | |||
| 21 | 21 | Emanuele Pirro | Dallara • Ford Cosworth | 2 | spin | |||
| 18 | 16 | Ivan Capelli | Leyton House • Judd | 0 | collision | |||
| 19 | 3 | Satoru Nakajima | Tyrrell • Ford Cosworth | 0 | collision | |||
| 24 | 33 | Roberto Moreno | Eurobrun • Judd | 0 | throttle | |||
| DNS | 23 | Pierluigi Martini | Minardi • Ford Cosworth | accident | ||||
| DNQ | 10 | Alex Caffi | Arrows • Ford Cosworth | |||||
| DNQ | 9 | Michele Alboreto | Arrows • Ford Cosworth | |||||
| DNQ | 7 | David Brabham | Brabham • Judd | |||||
| DNP | 31 | Bertrand Gachot | Coloni • Subaru | |||||
| DNP | 34 | Claudio Langes | Eurobrun • Judd | |||||
| DNP | 39 | Bruno Giacomelli | Life | |||||
| DNP | 17 | Gabriele Tarquini | AGS • Ford Cosworth | |||||
| WDR | 18 | Yannick Dalmas | AGS • Ford Cosworth |
Fastest lap - 01:27.156 - 208.178 km/h - Alessandro Nannini (lap 60)