Race Result
| GP n. 351 - 18/07/1981 - Grand Prix of Great-Britain Silverstone Circuits Ltd. |
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| Winner: | John Watson / McLaren-Ford - 1:26'54.80 | ||||||
| Pole Position: | Rene Arnoux / Renault - 1:11.000 | ||||||
| Fastest Lap: | Rene Arnoux / Renault - 1:15.06 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 7 |  John Watson |
McLaren-Ford | 68 | 1:26'54.80 | 5 | 9 |
| 2 | 2 |  Carlos Reutemann |
Williams-Ford | 68 | + 40.65 | 9 | 6 |
| 3 | 26 |  Jacques Laffite |
Ligier-Matra | 67 | + 1 lap | 14 | 4 |
| 4 | 3 |  Eddie Cheever |
Tyrrell-Ford | 67 | + 1 lap | 23 | 3 |
| 5 | 6 |  Hector Rebaque |
Brabham-Ford | 67 | + 1 lap | 13 | 2 |
| 6 | 9 |  Slim Borgudd |
ATS-Ford | 67 | + 1 lap | 21 | 1 |
| 7 | 17 |  Derek Daly |
March-Ford | 66 | + 2 laps | 17 | 0 |
| 8 | 32 | Jean Pierre Jarier |
Osella-Ford | 65 | + 3 laps | 20 | 0 |
| 9 | 16 | Rene Arnoux |
Renault | 64 | distributor | 1 | 0 |
| 10 | 29 |  Riccardo Patrese |
Arrows-Ford | 64 | engine | 10 | 0 |
| 11 | 33 |  Marc Surer |
Theodore-Ford | 61 | out of fuel | 24 | 0 |
| Dsq | 11 | Elio de Angelis |
Lotus-Ford | 25 | disqualified | 22 | 0 |
| Ret | 22 | Mario Andretti |
Alfa Romeo | 59 | throttle | 11 | 0 |
| Ret | 20 |  Keke Rosberg |
Fittipaldi-Ford | 56 | suspension | 16 | 0 |
| Ret | 15 | Alain Prost |
Renault | 17 | distributor | 2 | 0 |
| Ret | 25 | Patrick Tambay |
Ligier-Matra | 15 | clutch | 15 | 0 |
| Ret | 28 | Didier Pironi |
Ferrari | 13 | turbo | 4 | 0 |
| Ret | 5 |  Nelson Piquet |
Brabham-Ford | 11 | tyre | 3 | 0 |
| Ret | 30 | Siegfried Stohr |
Arrows-Ford | 8 | spun off | 18 | 0 |
| Ret | 23 | Bruno Giacomelli |
Alfa Romeo | 5 | transmission | 12 | 0 |
| Ret | 27 |  Gilles Villeneuve |
Ferrari | 4 | spun off | 8 | 0 |
| Ret | 8 | Andrea de Cesaris |
McLaren-Ford | 3 | spun off | 6 | 0 |
| Ret | 1 |  Alan Jones |
Williams-Ford | 3 | collision | 7 | 0 |
| Ret | 4 | Michele Alboreto |
Tyrrell-Ford | 1 | clutch | 19 | 0 |
| Dnq | 14 |  Eliseo Salazar |
Ensign-Ford | did not qualify | 0 | ||
| Dnq | 21 | Chico Serra |
Fittipaldi-Ford | did not qualify | 0 | ||
| Dnq | 12 | Nigel Mansell |
Lotus-Ford | did not qualify | 0 | ||
| Dnq | 31 | Beppe Gabbiani |
Osella-Ford | did not qualify | 0 | ||
| Dnq | 35 | Brian Henton |
Toleman-Hart | did not qualify | 0 | ||
| Dnq | 36 | Derek Warwick |
Toleman-Hart | did not qualify | 0 | ||