| 1st | 20 | Jo Siffert / Brian Redman | Porsche 908/03 | J. W. Automotive Engineering Ltd. | 7:43.3000 |
| 2nd | 21 | Pedro Rodriguez / Leo Kinnunen | Porsche 908/03 | J. W. Automotive Engineering Ltd. | 7:44.2000 |
| 3rd | 22 | Vic Elford / Kurt Ahrens, Jr. | Porsche 908/03 | Porsche Konstruktionen Salzburg | 7:48.2000 |
| 4th | 15 | Hans Herrmann / Richard Attwood | Porsche 908/03 | Porsche Konstruktionen Salzburg | 7:57.1000 |
| 5th | 6 | Rolf Stommelen / Piers Courage | Alfa Romeo T33/3 | Autodelta | 8:00.5000 |
| 6th | 57 | Ignazio Giunti / Arturo Merzario | Ferrari 512 S Spyder | Ferrari s. p. a. | 8:01.7000 |
| 7th | 55 | John Surtees / Nino Vaccarella | Ferrari 512 S Spyder | Ferrari s. p. a. | 8:12.3000 |
| 8th | 58 | Mike Parkes / Herbert Müller | Ferrari 512 S | Scuderia Filipinetti | 8:15.9000 |
| 9th | 54 | Jürgen Neuhaus / Helmut Kelleners | Porsche 917 K | Gesipa Racing Team | 8:17.9000 |
| 10th | 1 | Gérard Larrousse / Helmut Marko | Porsche 908/02 | Int. Martini Racing Team | 8:21.5000 |
| 11th | 17 | Dieter Basche / Helmut Kelleners / Jürgen Neuhaus | Porsche 908/02 | Gesipa Racing Team | 8:24.8000 |
| 12th | 2 | Rudi Lins / Willi Kauhsen | Porsche 908/02 | Int. Martini Racing Team | 8:35.7000 |
| 13th | 11 | Karl von Wendt / Gerhard Koch | Porsche 908/02 | German BG Racing Team | 8:37.4000 |
| 14th | 19 | Luis Di Palma / Carlos Marincovich | Berta LR Ford | Oreste Berta | 8:39.8000 |
| 15th | 4 | Sepp Greger / Helmut Leuze | Porsche 908/02 Flunder | Asahi Pentax Racing Team | 8:41.1000 |
| 16th | 38 | Jeremy Richardson / Alistair Cowin | Daren Mk.2 Ford | Daren Cars Ltd. | 8:52.8000 |
| 17th | 26 | John Bridges / Peter Lawson | Chevron B16 Ford | Red Rose Motors | 8:56.5000 |
| 18th | 23 | Hans-Dieter Blatzheim / Ernst Kraus | Porsche 907 Spyder | Hans-Dieter Blatzheim | 8:56.9000 |
| 19th | 75 | John L'Amie / Tommy Reid | Porsche 910 | John L'Amie | 9:01.5000 |
| 20th | 24 | Yves Deprez / Julien Vernaeve | Chevron B16 Mazda | Levi's Int. Racing Team | 9:06.6000 |
| 21st | 29 | André Wicky / Mario Cabral | Porsche 907 | André Wicky Racing Team | 9:10.8000 |
| 22nd | 32 | Guy Edwards / Roger Enever | Astra RNR2 Ford | Guy Edwards | 9:15.0000 |
| 23rd | 10 | Anton Fischhaber / Dieter Schmid | Porsche 906 Spyder | Scuderia Auto-Neuser | 9:25.4000 |
| 24th | 31 | Mark Konig / Tony Lanfranchi | Nomad Mk.2 BRM | Mark Konig | 9:31.1000 |
| 25th | 60 | Piers Forester / Alain De Cadenet | Ford GT40 | Piers Forester | 9:32.3000 |
| 26th | 79 | Dieter Fröhlich / Pauli Toivonen | Porsche 911 S | Racing Team AAW | 9:35.0000 |
| 27th | 70 | Willy Meier / Mario Ilotte | Porsche 910 | André Wicky Racing Team | 9:39.9000 |
| 28th | 14 | Max Wilson / Mac Daghorn | Lola T70P BRM | Max Wilson | 9:43.1000 |
| 29th | 85 | Clemens Schickentanz / Hans-Joachim Stuck | Porsche 911 S | Oldenkott Pipe and Tobacco Racing | 9:44.8000 |
| 30th | 92 | Georg Loos / Franz Pesch | Porsche 911 L | Porsche Konstruktionen Salzburg | 9:46.5000 |
| 31st | 28 | Andrew Mylius / Gerry Birrell | Gropa CMC Ford | A. M. Graphics Racing Org. | 9:47.8000 |
| 32nd | 84 | Erwin Kremer / Günther Huber | Porsche 911 S | Auto-Kremer | 9:48.0000 |
| 33rd | 12 | Peter Gaydon / Keith Grant | Brabham BT8 Climax | Victor Business Machines | 9:50.5000 |
| 34th | 69 | James Tangye / Paul Vestey | Chevron B8 BMW | Worcestershire Racing Org. | 9:52.1000 |
| 35th | 16 | Hannelore Werner / Mike Kranefuss | Ford Capri RS Turbo | Turbo-May | 9:58.1000 |
| 36th | 93 | Peter Kaiser / Günter Steckkönig | Porsche 914/6 | Hahn Motorfahrzeuge | 9:58.9000 |
| 37th | 72 | Martin Blackie / Peter Humble | Chevron B8 BMW | Martin Blackie | 9:59.5000 |
| 38th | 83 | Claude Haldi / Eric Chapuis | Porsche 911 S | Claude Haldi | 10:01.2000 |
| 39th | 42 | Dieter Weizinger / Wilhelm Bisterfeld | Alfa Romeo GTA Junior | Dieter Weizinger | 10:04.6000 |
| 40th | 67 | Roger Heavens / Mike Garton | Chevron B8 BMW | Roger Heavens | 10:06.9000 |
| 41st | 96 | Gerd Quist / Dietrich Krumm | Porsche 914/6 | Autohaus Max Moritz | 10:07.2000 |
| 42nd | 88 | Robert Huhn / Günther Schwarz | Porsche 914/6 | Scuderia Lufthansa | 10:08.8000 |
| 43rd | 64 | Tony Goodwin / Peter Taggart | Chevron B6/8 BMW | Dr. Tony Goodwin | 10:10.4000 |
| 44th | 100 | Heinz Becker / Friedhelm Theissen | Porsche 911 S | Martini BMW | 10:11.9000 |
| 45th | 101 | Alexander Nolte / Werner Christmann | Porsche 914/6 | VW-Porsche Sportwagenzentrum Hülpert & Co. | 10:13.0000 |
| 46th | 73 | Edward Negus / Brian Joscelyne | Chevron B8 BMW | Edward Negus | 10:18.2000 |
| 47th | 66 | Nikolaus Killenberg / Georg Bialas | Chevron B8 BMW | Nikolaus Killenberg | 10:22.2000 |
| 48th | 68 | John Bamford / Peter Creasey | Chevron B8 BMW | Worcestershire Racing Org. | 10:32.0000 |
| 49th | 94 | Peter Otto / Jörg Klasen | Alfa Romeo GTA | Jörg Klasen | 10:33.9000 |
| 50th | 91 | Bernd Becker / Elmar Clever | Porsche 911 S | Bernd Becker | 10:36.2000 |
| 51st | 97 | David Weir / Mike Ogier | Porsche 911 T/R | Ecurie Evergreen | 10:56.4000 |
| 52nd | 95 | Jean-Marie Jacquemin / William Scheeren / Bernard Palayer | Alpine A110 Renault | Jean-Marie Jacquemin | 11:08.5000 |
| 53rd | 81 | Peter Peters / Dieter Eymann | Shelby GT350 | Hediri Racing Team | 11:08.7000 |
| 54th | 43 | Stanley Robinson / John Blanckley | Unipower GT BMC | Stanley A. Robinson | 11:24.7000 |