Race Result
| GP n. 306 - 02/07/1978 - Grand Prix of France ASA Circuit Paul Ricard, Circuit du Castellet |
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| Winner: | Mario Andretti / Lotus-Ford - 1:38'51.92 | ||||||
| Pole Position: | John Watson / Brabham-Alfa Romeo - 1:44.41 | ||||||
| Fastest Lap: | Carlos Reutemann / Ferrari - 1:48.56 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 5 | Lotus-Ford | 54 | 1:38'51.92 | 2 | 9 | |
| 2 | 6 | Lotus-Ford | 54 | + 2.93 | 5 | 6 | |
| 3 | 7 | McLaren-Ford | 54 | + 19.80 | 4 | 4 | |
| 4 | 2 | Brabham-Alfa Romeo | 54 | + 36.88 | 1 | 3 | |
| 5 | 27 | Williams-Ford | 54 | + 41.81 | 14 | 2 | |
| 6 | 20 | Wolf-Ford | 54 | + 54.53 | 7 | 1 | |
| 7 | 26 | Ligier-Matra | 54 | + 54.74 | 10 | 0 | |
| 8 | 35 | Arrows-Ford | 54 | + 1'24.88 | 12 | 0 | |
| 9 | 8 | McLaren-Ford | 54 | + 1'27.06 | 6 | 0 | |
| 10 | 3 | Tyrrell-Ford | 54 | + 1'29.98 | 16 | 0 | |
| 11 | 16 | Shadow-Ford | 53 | + 1 lap | 20 | 0 | |
| 12 | 12 | Ferrari | 53 | + 1 lap | 9 | 0 | |
| 13 | 9 | ATS-Ford | 53 | + 1 lap | 25 | 0 | |
| 14 | 31 | Martini-Ford | 53 | + 1 lap | 18 | 0 | |
| 15 | 36 | Arrows-Ford | 53 | + 1 lap | 21 | 0 | |
| 16 | 10 | ATS-Ford | 52 | + 2 laps | 26 | 0 | |
| 17 | 19 | Surtees-Ford | 52 | + 2 laps | 19 | 0 | |
| 18 | 11 | Ferrari | 49 | + 5 laps | 8 | 0 | |
| Ret | 30 | McLaren-Ford | 45 | engine | 24 | 0 | |
| Ret | 14 | Fittipaldi-Ford | 43 | suspension | 15 | 0 | |
| Ret | 18 | Surtees-Ford | 40 | engine | 23 | 0 | |
| Ret | 33 | McLaren-Ford | 28 | engine | 22 | 0 | |
| Ret | 1 | Brabham-Alfa Romeo | 10 | engine | 3 | 0 | |
| Ret | 4 | Tyrrell-Ford | 10 | engine | 13 | 0 | |
| Ret | 17 | Shadow-Ford | 4 | electrical | 17 | 0 | |
| Ret | 15 | Renault | 1 | engine | 11 | 0 | |
| Dnq | 22 | Ensign-Ford | did not qualify | 0 | |||
| Dnq | 25 | Lotus-Ford | did not qualify | 0 | |||
| Dnq | 37 | Merzario-Ford | did not qualify | 0 | |||