| «1978-15» | USA East Grand Prix - XXI United States Grand Prix |
| 1978-10-01 | Watkins Glen - Watkins Glen International - 59 laps × 5.435 km : 320.665 km |
| Pos | Grid | Car | Driver | Constructor | Time | Gap | Interval |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 5 | Mario Andretti | Lotus • Ford Cosworth | 01:38.114 | 199.421 km/h | |
| 2 | 2 | 11 | Carlos Reutemann | Ferrari | 01:39.179 | +01.065 (+1.085%) | +01.065 |
| 3 | 3 | 27 | Alan Jones | Williams • Ford Cosworth | 01:39.742 | +01.628 (+1.659%) | +00.563 |
| 4 | 4 | 12 | Gilles Villeneuve | Ferrari | 01:39.820 | +01.706 (+1.739%) | +00.078 |
| 5 | 5 | 1 | Niki Lauda | Brabham • Alfa Romeo | 01:39.892 | +01.778 (+1.812%) | +00.072 |
| 6 | 6 | 7 | James Hunt | McLaren • Ford Cosworth | 01:39.991 | +01.877 (+1.913%) | +00.099 |
| 7 | 7 | 2 | John Watson | Brabham • Alfa Romeo | 01:40.000 | +01.886 (+1.922%) | +00.009 |
| 8 | 8 | 55 | Jean-Pierre Jarier | Lotus • Ford Cosworth | 01:40.034 | +01.920 (+1.957%) | +00.034 |
| 9 | 9 | 15 | Jean-Pierre Jabouille | Renault | 01:40.136 | +02.022 (+2.061%) | +00.102 |
| 10 | 10 | 26 | Jacques Laffite | Ligier • Matra | 01:40.228 | +02.114 (+2.155%) | +00.092 |
| 11 | 11 | 20 | Jody Scheckter | Wolf • Ford Cosworth | 01:40.762 | +02.648 (+2.699%) | +00.534 |
| 12 | 12 | 4 | Patrick Depailler | Tyrrell • Ford Cosworth | 01:40.828 | +02.714 (+2.766%) | +00.066 |
| 13 | 13 | 14 | Emerson Fittipaldi | Copersucar • Ford Cosworth | 01:41.007 | +02.893 (+2.949%) | +00.179 |
| 14 | 14 | 16 | Hans Joachim Stuck | Shadow • Ford Cosworth | 01:41.681 | +03.567 (+3.636%) | +00.674 |
| 15 | 15 | 10 | Keke Rosberg | ATS • Ford Cosworth | 01:41.773 | +03.659 (+3.729%) | +00.092 |
| 16 | 16 | 3 | Didier Pironi | Tyrrell • Ford Cosworth | 01:41.815 | +03.701 (+3.772%) | +00.042 |
| 17 | 17 | 17 | Clay Regazzoni | Shadow • Ford Cosworth | 01:41.855 | +03.741 (+3.813%) | +00.040 |
| 18 | 18 | 8 | Patrick Tambay | McLaren • Ford Cosworth | 01:41.974 | +03.860 (+3.934%) | +00.119 |
| 19 | 19 | 22 | Derek Daly | Ensign • Ford Cosworth | 01:42.179 | +04.065 (+4.143%) | +00.205 |
| 20 | 20 | 21 | Bobby Rahal | Wolf • Ford Cosworth | 01:42.429 | +04.315 (+4.398%) | +00.250 |
| 21 | 21 | 18 | René Arnoux | Surtees • Ford Cosworth | 01:42.541 | +04.427 (+4.512%) | +00.112 |
| 22 | 22 | 36 | Rolf Stommelen | Arrows • Ford Cosworth | 01:42.741 | +04.627 (+4.716%) | +00.200 |
| 23 | 23 | 25 | Hector Rebaque | Lotus • Ford Cosworth | 01:43.028 | +04.914 (+5.008%) | +00.287 |
| 24 | 24 | 23 | Brett Lunger | Ensign • Ford Cosworth | 01:43.067 | +04.953 (+5.048%) | +00.039 |
| 25 | 25 | 9 | Michael Bleekemolen | ATS • Ford Cosworth | 01:43.517 | +05.403 (+5.507%) | +00.450 |
| 26 | 26 | 37 | Arturo Merzario | Merzario • Ford Cosworth | 01:44.286 | +06.172 (+6.291%) | +00.769 |
| 27 | 19 | Beppe Gabbiani | Surtees • Ford Cosworth | 01:45.155 | +07.041 (+7.176%) | +00.869 |