1986 San Marino Grand Prix
- Round
- 3 of 1986
- Circuit
- Autodromo Enzo e Dino Ferrari
- Location
- Imola, Italy
- Dates
- —
- Format
- Standard weekend
- Winner
- Alain Prost
- Constructor
- McLaren
- Entrant
- McLaren-TAG
- Pole position
- Ayrton Senna
- Fastest lap
- Nelson Piquet
- Confidence
- reference
Classification
| Pos | Driver | Constructor | Grid | Laps | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Alain Prost | McLaren | 4 | 60 | 9 | — |
| 2 | Nelson Piquet | Williams | 2 | 60 | 6 | — · fastest lap |
| 3 | Gerhard Berger | Benetton | 9 | 59 | 4 | — |
| 4 | Stefan Johansson | Ferrari | 7 | 59 | 3 | — |
| 5 | Keke Rosberg | McLaren | 6 | 58 | 2 | Out of fuel |
| 6 | Riccardo Patrese | Brabham | 16 | 58 | 1 | Out of fuel |
| 7 | Thierry Boutsen | Arrows | 12 | 58 | — | — |
| 8 | Martin Brundle | Tyrrell | 13 | 58 | — | — |
| 9 | Marc Surer | Arrows | 15 | 57 | — | — |
| DNF | Ayrton Senna | Team Lotus | 1 | 11 | — | Wheel bearing |
| DNF | Nigel Mansell | Williams | 3 | 8 | — | Engine |
| DNF | Michele Alboreto | Ferrari | 5 | 56 | — | Turbo |
| DNF | Rene Arnoux | Ligier | 8 | 46 | — | Wheel |
| DNF | Teo Fabi | Benetton | 10 | 39 | — | Engine |
| DNF | Patrick Tambay | Lola | 11 | 5 | — | Engine |
| DNF | Jacques Laffite | Ligier | 14 | 14 | — | Transmission |
| DNS | Alessandro Nannini | Minardi | 17 | — | — | DNS |
| DNF | Johnny Dumfries | Team Lotus | 18 | 8 | — | Wheel bearing |
| DNF | Elio de Angelis | Brabham | 19 | 19 | — | Engine |
| DNF | Jonathan Palmer | Zakspeed | 20 | 38 | — | Brakes |
| DNF | Alan Jones | Lola | 21 | 28 | — | Overheating |
| DNF | Philippe Streiff | Tyrrell | 22 | 41 | — | Transmission |
| DNF | Andrea de Cesaris | Minardi | 23 | 20 | — | Engine |
| DNF | Huub Rothengatter | Zakspeed | 24 | 7 | — | Turbo |
| DNF | Christian Danner | Osella | 25 | 31 | — | Electrical |
| DNF | Piercarlo Ghinzani | Osella | 26 | 52 | — | Out of fuel |