| «1991-11» | Belgium Grand Prix - XLIX Grand Prix de Belgique |
| 1991-08-25 | Spa-Francorchamps - 44 laps × 6.94 km : 305.36 km |
| Pos | Grid | Car | Driver | Constructor | Laps | Time / Gap | Interval | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | Ayrton Senna | McLaren • Honda | 44 | 1:27:17.669 | 209.883 km/h | 10 |
| 2 | 4 | 2 | Gerhard Berger | McLaren • Honda | 44 | +01.901 | +01.901 | 6 |
| 3 | 6 | 20 | Nelson Piquet | Benetton • Ford Cosworth | 44 | +32.176 | +30.275 | 4 |
| 4 | 8 | 19 | Roberto Moreno | Benetton • Ford Cosworth | 44 | +37.310 | +05.134 | 3 |
| 5 | 17 | 6 | Riccardo Patrese | Williams • Renault | 44 | +57.187 | +19.877 | 2 |
| 6 | 13 | 8 | Mark Blundell | Brabham • Yamaha | 44 | +01:40.035 | +42.848 | 1 |
| 7 | 21 | 12 | Johnny Herbert | Lotus • Judd | 44 | +01:44.599 | +04.564 | |
| 8 | 25 | 21 | Emanuele Pirro | Dallara • Judd | 43 | +1 lap | ||
| 9 | 16 | 7 | Martin Brundle | Brabham • Yamaha | 43 | +1 lap | ||
| 10 | 23 | 14 | Olivier Grouillard | Fondmetal • Ford Cosworth | 43 | +1 lap | ||
| 11 | 18 | 25 | Thierry Boutsen | Ligier • Lamborghini | 43 | +1 lap | ||
| 12 | 9 | 23 | Pierluigi Martini | Minardi • Ferrari | 42 | +2 laps | ||
| 13 | 11 | 33 | Andrea de Cesaris | Jordan • Ford Cosworth | 41 | engine | ||
| 10 | 4 | Stefano Modena | Tyrrell • Honda | 33 | oil leak | |||
| 14 | 22 | JJ Lehto | Dallara • Judd | 33 | engine | |||
| 5 | 28 | Jean Alesi | Ferrari | 30 | valve | |||
| 19 | 24 | Gianni Morbidelli | Minardi • Ferrari | 29 | clutch | |||
| 24 | 11 | Mika Hakkinen | Lotus • Judd | 25 | engine | |||
| 26 | 26 | Erik Comas | Ligier • Lamborghini | 25 | crankshaft | |||
| 3 | 5 | Nigel Mansell | Williams • Renault | 22 | electronics | |||
| 20 | 29 | Eric Bernard | Lola • Ford Cosworth | 21 | gearbox | |||
| 12 | 16 | Ivan Capelli | Leyton House • Ilmor | 13 | engine | |||
| 22 | 3 | Satoru Nakajima | Tyrrell • Honda | 7 | accident | |||
| 2 | 27 | Alain Prost | Ferrari | 2 | fire | |||
| 15 | 15 | Mauricio Gugelmin | Leyton House • Ilmor | 1 | engine | |||
| 7 | 32 | Michael Schumacher | Jordan • Ford Cosworth | 0 | clutch | |||
| DNQ | 30 | Aguri Suzuki | Lola • Ford Cosworth | |||||
| DNQ | 34 | Nicola Larini | Lamborghini | |||||
| DNQ | 10 | Alex Caffi | Footwork • Ford Cosworth | |||||
| DNQ | 35 | Eric van de Poele | Lamborghini | |||||
| DNP | 9 | Michele Alboreto | Footwork • Ford Cosworth | |||||
| DNP | 17 | Gabriele Tarquini | AGS • Ford Cosworth | |||||
| DNP | 31 | Pedro Chaves | Coloni • Ford Cosworth | |||||
| DNP | 18 | Fabrizio Barbazza | AGS • Ford Cosworth |
Fastest lap - 01:55.161 - 216.948 km/h - Roberto Moreno (lap 40)