Gran Premio de Bélgica 1981: Resultados de la carrera
| Pos. | No. | Piloto | Escuderia | Puntos | Tiempo | Vueltas | Parrilla | Vuelta rápida |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Carlos Reutemann | Williams | 9 | 1:16:31.61 | 54 | 1 | |
| 2 | 26 | Jacques Laffite | Ligier | 6 | +36.06 | 54 | 9 | |
| 3 | 12 | Nigel Mansell | Team Lotus | 4 | +43.69 | 54 | 10 | |
| 4 | 27 | Gilles Villeneuve | Ferrari | 3 | +47.64 | 54 | 7 | |
| 5 | 11 | Elio de Angelis | Team Lotus | 2 | +49.20 | 54 | 14 | |
| 6 | 3 | Eddie Cheever | Tyrrell | 1 | +52.51 | 54 | 8 | |
| 7 | 7 | John Watson | McLaren | 0 | +1:01.66 | 54 | 5 | |
| 8 | 28 | Didier Pironi | Ferrari | 0 | +1:32.04 | 54 | 3 | |
| 9 | 23 | Bruno Giacomelli | Alfa Romeo | 0 | +1:35.58 | 54 | 17 | |
| 10 | 22 | Mario Andretti | Alfa Romeo | 0 | +1 vuelta | 53 | 18 | |
| 11 | 14 | Marc Surer | Ensign | 0 | +2 vueltas | 52 | 15 | |
| 12 | 4 | Michele Alboreto | Tyrrell | 0 | +2 vueltas | 52 | 19 | |
| 13 | 31 | Piercarlo Ghinzani | Osella | 0 | +4 vueltas | 50 | 24 | |
| 14 | 6 | Hector Rebaque | Brabham | 0 | Accidente | 39 | 21 | |
| 15 | 25 | Jean-Pierre Jabouille | Ligier | 0 | Transmisión | 35 | 16 | |
| 16 | 21 | Chico Serra | Fittipaldi | 0 | Motor | 29 | 20 | |
| 17 | 32 | Beppe Gabbiani | Osella | 0 | Motor | 22 | 22 | |
| 18 | 1 | Alan Jones | Williams | 0 | Accidente | 19 | 6 | |
| 19 | 8 | Andrea de Cesaris | McLaren | 0 | Caja de cambios | 11 | 23 | |
| 20 | 5 | Nelson Piquet | Brabham | 0 | Accidente | 10 | 2 | |
| 21 | 20 | Keke Rosberg | Fittipaldi | 0 | Caja de cambios | 10 | 11 | |
| 22 | 15 | Alain Prost | Renault | 0 | DNF | 2 | 12 | |
| 23 | 29 | Riccardo Patrese | Arrows | 0 | Choque | 0 | 4 | |
| 24 | 30 | Siegfried Stohr | Arrows | 0 | Choque | 0 | 13 | |
| 25 | 18 | Derek Daly | March | 0 | +54 vueltas | 0 | 0 | |
| 26 | 16 | René Arnoux | Renault | 0 | +54 vueltas | 0 | 0 | |
| 27 | 17 | Eliseo Salazar | March | 0 | +54 vueltas | 0 | 0 | |
| 28 | 9 | Slim Borgudd | ATS | 0 | +54 vueltas | 0 | 0 | |
| 29 | 33 | Patrick Tambay | Theodore | 0 | +54 vueltas | 0 | 0 | |
| 30 | 36 | Derek Warwick | Toleman | 0 | +54 vueltas | 0 | 0 | |
| 31 | 35 | Brian Henton | Toleman | 0 | +54 vueltas | 0 | 0 |
