Grand Prix de Belgique 1991
Manche 11 de la saison 1991 de Formule 1, disputée le 25 août 1991.
Circuit : Circuit de Spa-Francorchamps
Ayrton Senna s'est imposé avec McLaren. Pole position : Ayrton Senna.
Classement
| Pos. | Pilote | Écurie | Grille | Tours | Temps | Points |
|---|---|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren | 1 | 44 | 1:27:17.669 | 10 |
| 2 | Gerhard Berger | McLaren | 4 | 44 | +1.901 | 6 |
| 3 | Nelson Piquet | Benetton | 6 | 44 | +32.176 | 4 |
| 4 | Roberto Moreno | Benetton | 8 | 44 | +37.310 | 3 |
| 5 | Riccardo Patrese | Williams | 17 | 44 | +57.187 | 2 |
| 6 | Mark Blundell | Brabham | 13 | 44 | +1:40.035 | 1 |
| 7 | Johnny Herbert | Team Lotus | 21 | 44 | +1:44.599 | 0 |
| 8 | Emanuele Pirro | Dallara | 25 | 43 | +1 Lap | 0 |
| 9 | Martin Brundle | Brabham | 16 | 43 | +1 Lap | 0 |
| 10 | Olivier Grouillard | Fondmetal | 23 | 43 | +1 Lap | 0 |
| 11 | Thierry Boutsen | Ligier | 18 | 43 | +1 Lap | 0 |
| 12 | Pierluigi Martini | Minardi | 9 | 42 | Gearbox | 0 |
| 13 | Andrea de Cesaris | Jordan | 11 | 41 | Engine | 0 |
| R | Stefano Modena | Tyrrell | 10 | 33 | Oil leak | 0 |
| R | Jyrki Järvilehto | Dallara | 14 | 33 | Oil pressure | 0 |
| R | Jean Alesi | Ferrari | 5 | 30 | Engine | 0 |
| R | Gianni Morbidelli | Minardi | 19 | 29 | Gearbox | 0 |
| R | Mika Häkkinen | Team Lotus | 24 | 25 | Engine | 0 |
| R | Érik Comas | Ligier | 26 | 25 | Engine | 0 |
| R | Nigel Mansell | Williams | 3 | 22 | Electrical | 0 |
| R | Éric Bernard | Lola | 20 | 21 | Gearbox | 0 |
| R | Ivan Capelli | Leyton House | 12 | 13 | Engine | 0 |
| R | Satoru Nakajima | Tyrrell | 22 | 7 | Spun off | 0 |
| R | Alain Prost | Ferrari | 2 | 2 | Fuel leak | 0 |
| R | Maurício Gugelmin | Leyton House | 15 | 1 | Engine | 0 |
| R | Michael Schumacher | Jordan | 7 | 0 | Clutch | 0 |
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