Race Result
| GP n. 426 - 15/06/1986 - Grand Prix of Canada Circuit Gilles Villeneuve |
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| Winner: | Nigel Mansell / Williams-Honda - 1:42'26.415 | ||||||
| Pole Position: | Nigel Mansell / Williams-Honda - 1:24.118 | ||||||
| Fastest Lap: | Nelson Piquet / Williams-Honda - 1:25.443 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 5 |  Nigel Mansell |
Williams-Honda | 69 | 1:42'26.415 | 1 | 9 |
| 2 | 1 |  Alain Prost |
McLaren-TAG | 69 | +20.659 | 4 | 6 |
| 3 | 6 |  Nelson Piquet |
Williams-Honda | 69 | +36.262 | 3 | 4 |
| 4 | 2 |  Keke Rosberg |
McLaren-TAG | 69 | + 1'35.673 | 6 | 3 |
| 5 | 12 | Ayrton Senna |
Lotus-Renault | 68 | + 1 lap | 2 | 2 |
| 6 | 25 | Rene Arnoux |
Ligier-Renault | 68 | + 1 lap | 5 | 1 |
| 7 | 26 | Jacques Laffite |
Ligier-Renault | 68 | + 1 lap | 8 | 0 |
| 8 | 27 |  Michele Alboreto |
Ferrari | 68 | + 1 lap | 11 | 0 |
| 9 | 3 | Martin Brundle |
Tyrrell-Renault | 67 | + 2 laps | 19 | 0 |
| 10 | 15 |  Alan Jones |
Lola-Ford | 66 | + 3 laps | 13 | 0 |
| 11 | 4 | Philippe Streiff |
Tyrrell-Renault | 65 | + 4 laps | 17 | 0 |
| 12 | 29 |  Huub Rothengatter |
Zakspeed | 63 | + 6 laps | 24 | 0 |
| Ret | 7 | Riccardo Patrese |
Brabham-BMW | 44 | turbo | 9 | 0 |
| Ret | 21 | Piercarlo Ghinzani |
Osella-Alfa Romeo | 43 | gear box | 23 | 0 |
| Ret | 23 | Andrea de Cesaris |
Minardi-Motori Moderni | 40 | gear box | 21 | 0 |
| Ret | 18 |  Thierry Boutsen |
Arrows-BMW | 38 | electrical | 12 | 0 |
| Ret | 20 |  Gerhard Berger |
Benetton-BMW | 34 | turbo | 7 | 0 |
| Ret | 28 |  Stefan Johansson |
Ferrari | 29 | accident | 18 | 0 |
| Ret | 11 | Johnny Dumfries |
Lotus-Renault | 28 | accident | 16 | 0 |
| Ret | 14 | Jonathan Palmer |
Zakspeed | 24 | engine | 22 | 0 |
| Ret | 8 | Derek Warwick |
Brabham-BMW | 20 | engine | 10 | 0 |
| Ret | 24 | Alessandro Nannini |
Minardi-Motori Moderni | 17 | turbo | 20 | 0 |
| Ret | 19 | Teo Fabi |
Benetton-BMW | 13 | battery | 15 | 0 |
| Ret | 22 |  Christian Danner |
Osella-Alfa Romeo | 6 | turbo | 25 | 0 |
| Dns | 16 | Patrick Tambay |
Lola-Ford | 0 | accident | 14 | 0 |