Race Result
| GP n. 487 - 13/05/1990 - Grand Prix of San Marino Autodromo Enzo e Dino Ferrari |
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| Winner: | Riccardo Patrese / Williams-Renault - 1:30'55.478 | ||||||
| Pole Position: | Ayrton Senna / McLaren-Honda - 1:23.220 | ||||||
| Fastest Lap: | Alessandro Nannini / Benetton-Ford - 1:27.156 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 6 |  Riccardo Patrese |
Williams-Renault | 61 | 1:30'55.478 | 3 | 9 |
| 2 | 28 |  Gerhard Berger |
McLaren-Honda | 61 | +5.177 | 2 | 6 |
| 3 | 19 | Alessandro Nannini |
Benetton-Ford | 61 | +6.240 | 9 | 4 |
| 4 | 1 |  Alain Prost |
Ferrari | 61 | +6.843 | 6 | 3 |
| 5 | 20 |  Nelson Piquet |
Benetton-Ford | 61 | +53.112 | 8 | 2 |
| 6 | 4 | Jean Alesi |
Tyrrell-Ford | 60 | + 1 lap | 7 | 1 |
| 7 | 11 |  Derek Warwick |
Lotus-Lamborghini | 60 | + 1 lap | 10 | 0 |
| 8 | 12 | Martin Donnelly |
Lotus-Lamborghini | 60 | + 1 lap | 11 | 0 |
| 9 | 26 | Philippe Alliot |
Ligier-Ford | 60 | + 1 lap | 16 | 0 |
| 10 | 25 | Nicola Larini |
Ligier-Ford | 59 | + 2 laps | 20 | 0 |
| 11 | 24 | Paolo Barilla |
Minardi-Ford | 59 | + 2 laps | 26 | 0 |
| 12 | 36 |  Jyrki Jarvi Lehto |
Onyx-Ford | 59 | + 2 laps | 25 | 0 |
| 13 | 29 | Eric Bernard |
Lola-Lamborghini | 56 | clutch | 13 | 0 |
| Ret | 14 | Olivier Grouillard |
Osella-Ford | 52 | wheel | 22 | 0 |
| Ret | 2 | Nigel Mansell |
Ferrari | 38 | engine | 5 | 0 |
| Ret | 35 |  Gregor Foitek |
Onyx-Ford | 35 | engine | 23 | 0 |
| Ret | 8 | Stefano Modena |
Brabham-Judd | 31 | brakes | 14 | 0 |
| Ret | 22 | Andrea de Cesaris |
Dallara-Ford | 29 | wheel | 17 | 0 |
| Ret | 15 | Mauricio Gugelmin |
Leyton House-Judd | 24 | electrical | 12 | 0 |
| Ret | 30 |  Aguri Suzuki |
Lola-Lamborghini | 17 | clutch | 15 | 0 |
| Ret | 5 |  Thierry Boutsen |
Williams-Renault | 17 | engine | 4 | 0 |
| Ret | 27 | Ayrton Senna |
McLaren-Honda | 3 | wheel | 1 | 0 |
| Ret | 21 | Emanuele Pirro |
Dallara-Ford | 2 | spun off | 21 | 0 |
| Ret | 33 | Roberto Moreno |
Euro Brun-Judd | 0 | throttle | 24 | 0 |
| Ret | 16 | Ivan Capelli |
Leyton House-Judd | 0 | collision | 18 | 0 |
| Ret | 3 | Satoru Nakajima |
Tyrrell-Ford | 0 | collision | 19 | 0 |
| Dnq | 17 | Gabriele Tarquini |
AGS-Ford | did not qualify | 0 | ||
| Dnq | 9 | Michele Alboreto |
Arrows-Ford | did not qualify | 0 | ||
| Dnq | 10 | Alex Caffi |
Arrows-Ford | did not qualify | 0 | ||
| Dnq | 7 |  David Brabham |
Brabham-Judd | did not qualify | 0 | ||
| Dnq | 31 | Bertrand Gachot |
Coloni-Subaru | did not qualify | 0 | ||
| Dnq | 34 | Claudio Langes |
Euro Brun-Judd | did not qualify | 0 | ||
| Dnq | 39 | Bruno Giacomelli |
Life | did not qualify | 0 | ||
| Dns | 23 | Pierluigi Martini |
Minardi-Ford | accident | 0 | ||