| Pos |
No |
Pilote |
Voiture |
Temps |
| 1 | 1 | Jacky Ickx/Manfred Schurti | Porsche 935/77 | 1:20,123 |
| 2 | 16 | George Follmer/Brett Lunger | Porsche 935 | 1:22,167 |
| 3 | 2 | David Hobbs/Ronnie Peterson | BMW 320i Turbo | 1:22,905 |
| 4 | 59 | Peter Gregg/Bob Wollek | Porsche 934/5 | 1:23,416 |
| 5 | 7 | Ludwig Heimrath/Paul Miller | Porsche 934/5 | 1:25,175 |
| 6 | 61 | Jim Busby/Eppie Wietzes | Porsche 935 | 1:25,302 |
| 7 | 0 | Monte Shelton/Skeeter McKitterick | Porsche 934/5 Turbo | 1:26,015 |
| 8 | 19 | Chris Cord/Jim Adams | Chevrolet Monza 350 | 1:26,294 |
| 9 | 31 | Warren Agor/Paul Nichter | Chevrolet Monza 350 | 1:27,318 |
| 10 | 75 | Norm Ridgely/Jim Cook | Porsche Carrera RSR | 1:29,665 |
| 11 | 23 | Eddie Cheever/Gilles Villeneuve | BMW 320i | 1:30,106 |
| 12 | 5 | Bill Adam/Cam Champion | Chevrolet Corvette | 1:30,176 |
| 13 | 9 | Klaus Bytzek/Rudy Bartling/Harry Bytzek | Porsche Carrera RSR | 1:30,564 |
| 14 | 44 | Bob Tullius/Brian Fuerstenau | Jaguar XJ-S | 1:31,347 |
| 15 | 80 | Nick Engels/Bob Nagel | Chevrolet Corvette 427 | 1:32,077 |
| 16 | 13 | Hal Shaw Jr/Howard Meister | Porsche Carrera RSR | 1:33,822 |
| 17 | 98 | Tom Spalding/John Bauer/Elliot Forbes-Robinson | Porsche 911 | 1:34,040 |
| 18 | 57 | John Wood/Chip Mead | Porsche 911 | 1:34,043 |
| 19 | 90 | Thomas Rynone/Michael Wiernicki/Neil Wiernicki | Chevrolet Corvette 427 | 1:35,632 |
| 20 | 88 | Peter Overing/Fritz Hochreuter/Marcel Talbot | Porsche Carrera RSR | 1:35,915 |
| 21 | 11 | Murray Edwards/Karl Karlson | Chevrolet Corvette | 1:36,005 |
| 22 | 18 | Eitel Maier/Jerry Jolly | Porsche Carrera RSR | 1:36,809 |
| 23 | 60 | John Brandt/Michael Oleyar | Chevrolet Corvette 350 | 1:37,199 |
| 24 | 45 | James Mancuso/William Coykendall | Chevrolet Corvette 355 | 1:43,781 |
| 25 | 36 | Brian Hardacre/Horst Petermann | Porsche Carrera RSR | 1:44,340 |
|
6 Heures de Mosport 1977