Race Result
| GP n. 423 - 27/04/1986 - Grand Prix of San Marino Autodromo Enzo e Dino Ferrari |
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| Winner: | Alain Prost / McLaren-TAG - 1:32'28.408 | ||||||
| Pole Position: | Ayrton Senna / Lotus-Renault - 1:25.050 | ||||||
| Fastest Lap: | Nelson Piquet / Williams-Honda - 1:28.667 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 1 |  Alain Prost |
McLaren-TAG | 60 | 1:32'28.408 | 4 | 9 |
| 2 | 6 |  Nelson Piquet |
Williams-Honda | 60 | +7.645 | 2 | 6 |
| 3 | 20 |  Gerhard Berger |
Benetton-BMW | 59 | + 1 lap | 9 | 4 |
| 4 | 28 |  Stefan Johansson |
Ferrari | 59 | + 1 lap | 7 | 3 |
| 5 | 2 |  Keke Rosberg |
McLaren-TAG | 58 | out of fuel | 6 | 2 |
| 6 | 7 |  Riccardo Patrese |
Brabham-BMW | 58 | out of fuel | 16 | 1 |
| 7 | 18 |  Thierry Boutsen |
Arrows-BMW | 58 | + 2 laps | 12 | 0 |
| 8 | 3 |  Martin Brundle |
Tyrrell-Renault | 58 | + 2 laps | 13 | 0 |
| 9 | 17 |  Marc Surer |
Arrows-BMW | 57 | + 3 laps | 15 | 0 |
| 10 | 27 | Michele Alboreto |
Ferrari | 56 | turbo | 5 | 0 |
| Ret | 21 | Piercarlo Ghinzani |
Osella-Alfa Romeo | 52 | out of fuel | 26 | 0 |
| Ret | 25 | Rene Arnoux |
Ligier-Renault | 46 | wheel | 8 | 0 |
| Ret | 4 | Philippe Streiff |
Tyrrell-Renault | 41 | transmission | 22 | 0 |
| Ret | 19 | Teo Fabi |
Benetton-BMW | 39 | engine | 10 | 0 |
| Ret | 14 | Jonathan Palmer |
Zakspeed | 38 | brakes | 20 | 0 |
| Ret | 22 |  Christian Danner |
Osella-Alfa Romeo | 31 | electrical | 25 | 0 |
| Ret | 15 |  Alan Jones |
Lola-Ford | 28 | overheating | 21 | 0 |
| Ret | 23 | Andrea de Cesaris |
Minardi-Motori Moderni | 20 | engine | 23 | 0 |
| Ret | 8 | Elio de Angelis |
Brabham-BMW | 19 | engine | 19 | 0 |
| Ret | 26 | Jacques Laffite |
Ligier-Renault | 14 | transmission | 14 | 0 |
| Ret | 12 | Ayrton Senna |
Lotus-Renault | 11 | wheel bearing | 1 | 0 |
| Ret | 11 | Johnny Dumfries |
Lotus-Renault | 8 | wheel bearing | 17 | 0 |
| Ret | 5 | Nigel Mansell |
Williams-Honda | 8 | engine | 3 | 0 |
| Ret | 29 |  Huub Rothengatter |
Zakspeed | 7 | turbo | 24 | 0 |
| Ret | 16 | Patrick Tambay |
Lola-Ford | 5 | engine | 11 | 0 |
| Ret | 24 | Alessandro Nannini |
Minardi-Motori Moderni | 0 | accident | 18 | 0 |