- Winner
- Mario Andretti
- Team
- Team Lotus
- Top listed
- Mario Andretti, Ronnie Peterson, and Jacques Laffite
- Race date
- June 4, 1978
- Pole
- Mario Andretti
- Fastest lap
- Mario Andretti
- Classified drivers
- 29
- Circuit
- Circuito del Jarama
The decisive result
Mario Andretti finished first for Team Lotus. Ronnie Peterson is listed 2 for Team Lotus, with Jacques Laffite 3 for Ligier.
Grid to finish
Rupert Keegan from P23 to P11 (+12), Alan Jones from P18 to P8 (+10), and Vittorio Brambilla from P16 to P7 (+9) recorded the largest positive grid-to-finish changes in the classification. Mario Andretti started from the listed P1 grid position.
Status and fastest lap
The classification lists 5 +1 lap, 5 Finished, 4 DNQ, 4 Engine, and 3 +4 laps. Mario Andretti holds the fastest-lap entry at 1:20.060 on lap 5. 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.