| 1st | 1 | Jochen Mass / Jacky Ickx | Porsche 935/77 | Martini Racing Porsche System | 1:25.9100 |
| 2nd | 3 | Bob Wollek / John Fitzpatrick | Porsche 935 | Porsche Kremer Racing | 1:26.2800 |
| 3rd | 5 | Tim Schenken / Derek Bell | Porsche 935 | Gelo Racing Team | 1:27.1500 |
| 4th | 6 | Rolf Stommelen / Toine Hezemans | Porsche 935 | Gelo Racing Team | 1:27.8300 |
| 5th | 8 | Martino Finotto / Carlo Facetti | Porsche 935 | Jolly Club | 1:29.6800 |
| 6th | 11 | Franz Konrad / Peter Hähnlein | Porsche 935 | Kannacher GT Racing | 1:29.9000 |
| 7th | 51 | Ronnie Peterson / Helmut Kelleners | BMW 320 | Jägermeister - BMW Faltz Team | 1:34.4100 |
| 8th | 9 | Vittorio Brambilla / Gianpiero Moretti | Porsche 934 | Jolly Club | 1:34.7200 |
| 9th | 10 | Claude Haldi / Reinhold Jöst | Porsche 934 | GVEA | 1:37.4000 |
| 10th | 12 | Claude Ballot-Léna / Jean-Louis Lafosse / Philippe Dagoreau | Porsche 934 | ASA Cachia | 1:37.4800 |
| 11th | 54 | Martino Finotto / Siegfried Müller / Umberto Grano | Ford Escort II RS 2000 | Jolly Club | 1:37.9900 |
| 12th | 31 | Kurt Simonsen / Kenneth Leim | Porsche 911 Carrera RSR | Kenneth Leim | 1:39.4200 |
| 13th | 35 | Mike Franey / Ian Bracey | Porsche Carrera RSR | Chandler Ibec International - Team Lloyds | 1:40.4200 |
| 14th | 33 | Klaus Utz / Armin Jahn | Porsche Carrera RSR | Hahn Sportwagen GmbH | 1:40.6200 |
| 15th | 22 | Robin Hamilton / David Preece | Aston Martin AM V8 | Robin Hamilton Aston Martin Specialists | 1:43.4900 |
| 16th | 14 | Girolamo Capra / "Archimede" / Gabriele Gottifredi | Porsche 934 | Capoferri Engineering | 1:44.2300 |
| 17th | 32 | Brian Classick / Mike Fisher / Frank Sytner | Porsche 911 Carrera | Casbah Racing Organisation | 1:44.4600 |
| 18th | 36 | Pete Lovett / Tony Wingrove | Porsche Carrera | Tony Wingrove | 1:47.3300 |
| 19th | 41 | Gordon Spice / Peter Clark | Ford Capri III | Gordon Spice Group | 1:47.3500 |
| 20th | 42 | Win Percy / Stuart Rolt | Ford Capri III | Samuri Racing with Bradshaw Hire Plant | 1:48.4200 |
| 21st | 15 | Gabriele Gottifredi / Duilio Ghislotti | Porsche Carrera RSR Turbo | Capoferri Engineering | 1:48.4800 |
| 22nd | 40 | Chris Craft / Alain De Cadenet | Ford Capri III | Hammonds Sauce Group | 1:48.5200 |
| 23rd | 39 | John Myerscough / Phil Dowsett / Stuart Patterson | Ford Capri III | Nu-Luxe Foam with Draka Foam | 1:50.0100 |
| 24th | 58 | Alec Poole / Han Tjan / John Handley | Datsun Sunny | Janspeed Engineeing Ltd. | 1:50.2300 |
| 25th | 43 | Brian Robinson / Les Blackburn | Ford Capri III | Brian Robinson | 1:51.2600 |
| 26th | 49 | Gerry Marshall / Tony Lanfranchi / Barrie Williams | BMW 3.0 Si | Mayfair Magazine | 1:56.5500 |
| 27th | 55 | Ken Coffey / Cyd Williams / Marc Smith | Ford Escort I RS 2000 | Ken Coffey | 1:57.0900 |
| 28th | 19 | Tim Goss / Mike Gidden / Bob Neville | MGB GT V8 | Stratstone Ltd. | 2:03.8800 |
| 29th | 47 | Clive Richardson / Jeremy Walton | Datsun 240Z | Samuri Conversions with B & W Motors Ltd. | 5:55.3100 |