Pit Lane F1
Ensign → Theodore
Marc Surer finished P16 in the 1981 World Drivers' Championship with 4 points. Across 13 races: 0 wins, 0 podiums and 0 pole positions, with a best finish of P4.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | United States Grand Prix West | Ensign | 19 | P9 | Fuel system | |
| 2 | Brazilian Grand Prix | Ensign | 18 | P4 | 3 | Finished |
| 3 | Argentine Grand Prix | Ensign | 16 | P20 | Engine | |
| 4 | San Marino Grand Prix | Ensign | 21 | P9 | +1 Lap | |
| 5 | Belgian Grand Prix | Ensign | 15 |
| P11 |
| +2 Laps |
| 6 | Monaco Grand Prix | Ensign | 19 | P6 | 1 | +2 Laps |
| 8 | French Grand Prix | Theodore | 21 | P12 | +2 Laps |
| 9 | British Grand Prix | Theodore | 24 | P11 | Out of fuel |
| 10 | German Grand Prix | Theodore | 22 | P14 | Suspension |
| 11 | Austrian Grand Prix | Theodore | 23 | P24 | Distributor |
| 12 | Dutch Grand Prix | Theodore | 20 | P8 | +3 Laps |
| 14 | Canadian Grand Prix | Theodore | 19 | P9 | +2 Laps |
| 15 | Caesars Palace Grand Prix | Theodore | 23 | P19 | Suspension |