| 1st | 1 | Jochen Mass / Jacky Ickx | Porsche 935/78 | Martini Porsche | 1:22.3800 |
| 2nd | 6 | John Fitzpatrick / Toine Hezemans | Porsche 935/77A | Gelo Racing Team | 1:23.9800 |
| 3rd | 8 | Bob Wollek / Henri Pescarolo | Porsche 935/77A | Porsche Kremer Racing | 1:24.2900 |
| 4th | 4 | Hans Heyer / Derek Bell / Klaus Ludwig | Porsche 935/77A | Gelo Racing Team | 1:24.3200 |
| 5th | 5 | Toine Hezemans / Hans Heyer / John Fitzpatrick | Porsche 935/77A | Gelo Racing Team | 1:24.3300 |
| 6th | 38 | Ronnie Peterson / Hans-Joachim Stuck | BMW 320 Turbo | BMW Motorsport GmbH | 1:25.9600 |
| 7th | 11 | Franz Konrad / Volkert Merl | Porsche 935/77A | Konrad Racing | 1:26.8000 |
| 8th | 9 | Dieter Schornstein / "John Winter" / Bob Wollek | Porsche 935 K2 | Porsche Kremer Racing | 1:26.8100 |
| 9th | 14 | Martino Finotto / Carlo Facetti | Porsche 935 | Jolly Club | 1:28.0600 |
| 10th | 15 | Claude Haldi / Herbert Müller | Porsche 935 | Meccarillos Racing Team | 1:28.6300 |
| 11th | 12 | Franz Konrad / Volkert Merl | Porsche 935 | Konrad Racing | 1:28.6600 |
| 12th | 16 | Jean-Louis Lafosse / Michel Leclère | Porsche 935 | A.S.A. Cachia | 1:29.0100 |
| 13th | 55 | Giorgio Francia / Umberto Grano | BMW 320 | BMW Italia Osella | 1:30.3000 |
| 14th | 17 | Mike Franey / Klaus Drees | Porsche 935 | Klaus Drees | 1:30.5900 |
| 15th | 53 | Eddy Joosen / Harald Grohs | BMW 320 | BMW Belgium | 1:30.7600 |
| 16th | 51 | Bo Emanuelsson / Ingvar Carlsson | BMW 320 | BMW Sweden/Bo Emanuelson Racing | 1:31.5400 |
| 17th | 54 | Freddy Kottulinsky / Markus Hotz | BMW 320 | BMW Schweiz | 1:32.5000 |
| 18th | 52 | Dieter Quester | BMW 320 | BMW Faltz Essen | 1:33.6500 |
| 19th | 23 | Edgar Dören / Gerhard Holup | Porsche 934 | Autohaus Max Moritz | 1:35.6800 |
| 20th | 25 | Eberhard Sindel / Preben Kristoffersen | Porsche 934 | Wrangler Racing Team | 1:39.3700 |
| 21st | 31 | Martin Raymond / John Beasley / Simon Phillips | Porsche Carrera RSR | Simon Phillips | 1:40.5900 |
| 22nd | 22 | Kenneth Leim / Lella Lombardi | Porsche 934 | Kenneth Leim | 1:41.0800 |
| 23rd | 24 | Angelo Pallavicini / Peter Bernhard | Porsche 934 | Pallvano Corse | 1:41.8400 |
| 24th | 28 | Jacques Guérin / Jean-Pierre Delaunay | Porsche 934 | Meccarillos Racing Team | 1:42.4100 |
| 25th | 42 | Les Blackburn / Brian Robinson / Stuart Rolt / Jeremy Nightingale | Ford Capri II | Jeremy Nightingale | 1:42.7200 |
| 26th | 10 | Kurt Simonsen / Jan Lundgardh | Porsche 935 2.0 | Team Vastkustugan | 1:43.0200 |
| 27th | 60 | Jon Fletcher / Barrie Williams | Lotus Elan | Carter Bros. (Rochdale) Ltd. | 1:43.2700 |
| 28th | 32 | Bob Neville / Pete Lovett / Tony Wingrove | Porsche 911 Carrera RSR | Charles Ivey Engineering | 1:43.6400 |
| 29th | 35 | Georges Bourdillat / Alain-Michel Bernard | Porsche Carrera RSR | A.S.A. Cachia | 1:44.8700 |
| 30th | 41 | David Brodie / Dave Matthews | Ford Capri III | David Brodie | 1:45.7100 |