Season
1981
Race
4. San Marino Grand Prix
1981 San Marino Grand Prix
- Coordinates
- 44.3439, 11.7167
- Altitude
- 37 m
- Race number
- 346
Race winner
Winning driver
9.0 pts
- Race
- 9.0 pts
Top team
Leader Team
Driver standings before the race
| Position | Driver | Team | Points | Wins |
|---|---|---|---|---|
| 1 | Carlos Reutemann | Williams | 21 | 1 |
| 2 | Alan Jones | Williams | 18 | 1 |
| 3 | Nelson Piquet | Brabham | 13 | 1 |
| 4 | Riccardo Patrese | Arrows | 4 | 0 |
| 5 | Alain Prost | Renault | 4 | 0 |
| 6 | Mario Andretti | Alfa Romeo | 3 | 0 |
| 7 | Marc Surer | Ensign | 3 | 0 |
| 8 | Elio de Angelis | Team Lotus | 3 | 0 |
| 9 | René Arnoux | Renault | 2 | 0 |
| 10 | Eddie Cheever | Tyrrell | 2 | 0 |
| 11 | Patrick Tambay | Theodore | 1 | 0 |
| 12 | Jacques Laffite | Ligier | 1 | 0 |
| — | Jean-Pierre Jarier | — | 0 | 0 |
| — | Chico Serra | — | 0 | 0 |
| — | John Watson | McLaren | 0 | 0 |
| — | Keke Rosberg | Fittipaldi | 0 | 0 |
| — | Siegfried Stohr | — | 0 | 0 |
| — | Bruno Giacomelli | Alfa Romeo | 0 | 0 |
| — | Nigel Mansell | Team Lotus | 0 | 0 |
| — | Andrea de Cesaris | McLaren | 0 | 0 |
| — | Jan Lammers | ATS | 0 | 0 |
| — | Ricardo Zunino | — | 0 | 0 |
| — | Didier Pironi | Ferrari | 0 | 0 |
| — | Hector Rebaque | Brabham | 0 | 0 |
| — | Gilles Villeneuve | Ferrari | 0 | 0 |
| — | Beppe Gabbiani | Osella | 0 | 0 |
| — | Ricardo Londoño | — | 0 | 0 |
Constructor standings before the race
| Position | Team | Points | Wins |
|---|---|---|---|
| 1 | Williams | 39 | 2 |
| 2 | Brabham | 13 | 1 |
| 3 | Renault | 6 | 0 |
| 4 | Arrows | 4 | 0 |
| 5 | Alfa Romeo | 3 | 0 |
| 6 | Ensign | 3 | 0 |
| 7 | Team Lotus | 3 | 0 |
| 8 | Tyrrell | 2 | 0 |
| 9 | Ligier | 1 | 0 |
| 10 | Theodore | 1 | 0 |
| — | Fittipaldi | 0 | 0 |
| — | McLaren | 0 | 0 |
| — | ATS | 0 | 0 |
| — | Ferrari | 0 | 0 |
| — | Osella | 0 | 0 |