| 1st | 20 | Jo Siffert / Derek Bell | Porsche 917 K | J. Wyer | 3:16.0000 |
| 2nd | 22 | Vic Elford / Gérard Larrousse | Porsche 917 K | Martini Team | 3:18.2000 |
| 3rd | 21 | Pedro Rodriguez / Jackie Oliver | Porsche 917 K | J. Wyer | 3:19.2000 |
| 4th | 23 | Helmut Marko / Gijs van Lennep | Porsche 917 K | Martini Team | 3:20.4000 |
| 5th | 1 | Jacky Ickx / Clay Regazzoni | Ferrari 312 PB | S.E.F.A.C. | 3:22.2000 |
| 6th | 32 | Giancarlo Gagliardi / Corrado Manfredini | Ferrari 512 M | Filipinetti | 3:24.4000 |
| 7th | 25 | Willi Kauhsen / Reinhold Jöst | Porsche 917 K | Usdau Team | 3:26.2000 |
| 8th | 2 | Henri Pescarolo / Andrea de Adamich | Alfa Romeo T33/3 | Autodelta | 3:27.1000 |
| 9th | 26 | Herbert Müller / René Herzog | Ferrari 512 M | Herbert Müller | 3:28.3000 |
| 10th | 28 | Cox Kocher / Heinrich Wiesendanger | Ferrari 512 S | Herbert Müller | 3:36.8000 |
| 11th | 24 | Dominique Martin / Gérard Pillon | Porsche 917 K | Zitro Racing | 3:40.7000 |
| 12th | 31 | Teddy Pilette / Gustave Gosselin | Lola T70 Mk.3B GT Chevrolet | VDS Team | 3:41.6000 |
| 13th | 3 | Claude Ballot-Léna / Guy Chasseuil | Porsche 908/02 Flunder | Claude Ballot-Léna | 3:53.9000 |
| 14th | 40 | Chris Tuerlinckx / Joost Byttebier | Chevrolet Corvette | Transeurop Gulf | 4:01.2000 |
| 15th | 46 | Günther Huber / Erwin Kremer | Porsche 911 S | Kremer Racing | 4:18.0000 |
| 16th | 8 | Tony Goodwin / Alistair Cowin | Redex RPA BMW (Chevron) | Tony Goodwin | 4:18.1000 |
| 17th | 29 | Mike Coombe / Paul Vestey | Lola T70 Mk.3B GT Chevrolet | Mike Coombe | 4:18.7000 |
| 18th | 33 | Tony Birchenhough / Brian Joscelyne | Chevron B8 BMW | Paul Watson | 4:22.5000 |
| 19th | 47 | Jean-Pierre Gaban / Willy Braillard | Porsche 911 S | Jean-Pierre Gaban | 4:22.5000 |
| 20th | 44 | Roland Larsson / Kurt Simonsen | Porsche 911 S | Kurt Simonsen | 4:23.8000 |
| 21st | 49 | Gerd Quist / Dietrich Krumm | Porsche 914/6 | Max Moritz | 4:23.9000 |
| 22nd | 41 | Jean-Claude Aubriet / "Sylvain" | Chevrolet Corvette | Jean-Claude Aubriet | 4:28.1000 |
| 23rd | 9 | Martin Ridehalgh / Ian Taylor | Dulon LD11P Porsche | Speed Sport | 4:30.7000 |
| 24th | 45 | Bernard Chenevière / Charly Cuénoud | Porsche 911 S | Porsche Vaud | 4:32.4000 |
| 25th | 48 | Rolf Göring / Klaus Utz | Porsche 911 S | Max Moritz | 4:32.5000 |
| 26th | 51 | Jean Sage / Paul Keller | Porsche 914/6 | Porsche Vaud | 4:32.9000 |
| 27th | 43 | Pierre Greub / Jean-Claude Guérie | Porsche 911 S | Pierre Greub | 4:33.5000 |
| 28th | 50 | Jacky Dechaumel / Jean-Claude Parot | Porsche 911 S | Jacky Dechaumel | 4:50.0000 |