- Winner
- Carlos Reutemann
- Team
- Williams
- Top listed
- Carlos Reutemann, Alan Jones, and Riccardo Patrese
- Race date
- March 29, 1981
- Pole
- Nelson Piquet
- Fastest lap
- Marc Surer
- Classified drivers
- 31
- Circuit
- Autódromo Internacional Nelson Piquet
The decisive result
Carlos Reutemann finished first for Williams. Alan Jones is listed 2 for Williams, with Riccardo Patrese 3 for Arrows.
Grid to finish
Jean-Pierre Jarier from P23 to P7 (+16), Marc Surer from P18 to P4 (+14), and Ricardo Zunino from P24 to P13 (+11) recorded the largest positive grid-to-finish changes in the classification. Nelson Piquet started from the listed P1 grid position.
Status and fastest lap
The classification lists 7 Finished, 5 Collision, 5 DNQ, 4 +1 lap, and 2 NC. Marc Surer holds the fastest-lap entry at 1:54.302 on lap 36. It records the result without speculating about incidents or strategy.
This summary sticks to the classification and does not speculate about incidents, strategy, weather, or causes. Source: F1DB (CC BY 4.0) · updated Jul 26, 2026.