Grelha de partida
| A Negro O piloto que efectuou o melhor tempo nos treinos, em itálico o piloto que iniciou a corrida |
| Linha 1 | 14 - Essex Motorsport - Porsche Bob Wollek/Hurley Haywood Porsche 936 - 3:30.07 (233.511 km/h) | 12 - Essex Motorsport - Porsche Jacky Ickx/Brian Redman Porsche 936 - 3:31.37 (232.075 km/h) |
| Linha 2 | 41 - Porsche Kremer Racing Klaus Ludwig/Don Whittington/Bill Whittington Porsche 935 K3 - 3:34.64 (228.539 km/h) | 36 - Gelo Sportswear International Manfred Schurti/Hans Heyer Porsche 935 - 3:36.65 (226.419 km/h) |
| Linha 3 | 10 - Grand Touring Cars Inc/Ford Concessionaires France Vern Schuppan/Jean-Pierre Jaussaud/David Hobbs Mirage M 10 Ford - 3:41.63 (221.331 km/h) | 5 - Jean Rondeau (VSD Canon) Bernard Darniche/Jean Ragnoti Rondeau M 379 Ford - 3:43.28 (219.695 km/h) |
| Linha 4 | 45 - Porsche Kremer Racing Axel Plankenhorn/Philippe Gurdjian/John Winter Porsche 935 K3 - 3:43.09 (219.009 km/h) | 11 - Grand Touring Cars Inc/Ford Concessionaires France Derek Bell/David Hobbs/Vern Schuppan Mirage M 10 Ford - 3:44.63 (218.375 km/h) |
| Linha 5 | 4 - Jean Rondeau (ITT Oceanic) Jean-Pierre Beltoise/Henri Pescarolo Rondeau M 379 Ford - 3:45.50 (217.533 km/h) | 8 - Alain de Cadenet Francois Migault/Alain de Cadenet De Cadenet LM "Crusader" Ford - 3:45.61 (217.427 km/h) |
| Linha 6 | 37 - Gelo Sportswear International John Fitzpatrick/Harald Grohs/Jean-Louis Lafosse Porsche 935 - 3:46.25 (216.811 km/h) | 1 - André Chevalley Racing Switzerland Xavier Lapeyre/Andre Chevalley/Patrick Perrier Lola T 286 Ford - 3:47.57 (215.554 km/h) |
| Linha 7 | 3 - J. C. Racing Ltd. John Cooper/Peter C. Lovett/John Morrison Lola T 281 SG Ford - 3:47.82 (215.317 km/h) | 15 - Fisons Agricole / Simon Phillips Martin Raymond/Ray Mallock Lola T 286 Ford - 3:48.44 (214.733 km/h) |
| Linha 8 | 6 - Dome Co. Ltd. Chris Craft/Gordon Spice/Tony Trimmer Dome Zero RL Ford - 3:49.26 (213.965 km/h) | 70 - Dick Barbour Racing Dick Barbour/Paul Newman/Rolf Stommelen Porsche 935/77A - 3:49.84 (213.425 km/h) |
| Linha 9 | 42 - Sekurit Racing (Autohaus Max Moritz GmbH) Dieter Schornstein/Edgar Doren/Gotz von Tschirnhaus Porsche 935/78 - 3:51.01 (212.344 km/h) | 7 - Dome Co. Ltd. Bob Evans/Tony Trimmer Dome Zero RL Ford - 3:51.24 (212.133 km/h) |
| Linha 10 | 55 - Jean Rondeau (Merlin Plage) Jean Rondeau/Jacky Haran Rondeau M 379 Ford - 3:54.28 (209.380 km/h) | 40 - Porsche Kremer Racing Laurent Ferrier/Francois Servanin/Francois Trisconi Porsche 935/77A - 3:55.08 (208.668 km/h) |
| Linha 11 | 74 - Jean-Pierre Jarier Jean-Pierre Jarier/Randy Townsend/Raymond Touroul Porsche 935 - 3:55.73 (208.092 km/h) | 53 - WM AEREM Michel Pignard/Jacques Coulon WM P 79 PRV - 3:56.08 (207.784 km/h) |
| Linha 12 | 76 - Hervé Poulain Marcel Mignot/Herve Poulain/Manfred Winkelhock BMW M1 - 3:57.38 (206.646 km/h) | 39 - ASA Cachia Frederic Alliot/Chanaud/Jacques Guerin Porsche 935 K3 - 3:57.47 (206.568 km/h) |
| Linha 13 | 68 - Interscope Racing Ted Field/Milt Minter/John Morton Porsche 935 - 3:58.49 (205.684 km/h) | 43 - Claude Haldi Claude Haldi/Rodfrigo Terran/Herbert Loewe Porsche 935 - 3:59.87 (204.501 km/h) |
| Linha 14 | 52 - WM AEREM Max Mamers/Jean-Daniel Raulet WM P 79 Peugeot - 4:00.01 (204.381 km/h) | 63 - Charles Pozzi / JMS Racing Michel Leclere/Claude Ballot-Lena/Peter Gregg Ferrari 512 BB - 4:00.78 (203.728 km/h) |
| Linha 15 | 27 - Racing Organization Course Marc Sourd/Florian Vetsch/Roger Carmillet Chevron B 36 ROC Chrysler-Simca - 4:01.32 (203.272 km/h) | 62 - Charles Pozzi / JMS Racing Jean-Claude Andruet/Spartaco Dini Ferrari 512 BB - 4:02.42 (202.350 km/h) |
| Linha 16 | 23 - Pronuptia Bruno Sotty/Gerard Cuynet/Marc Frischknecht Lola T 296 Ford - 4:02.92 (201.933 km/h) | 71 - Dick Barbour Racing Bob Akin/Roy Woods/Rob McFarlin Porsche 935 - 4:03.39 (201.543 km/h) |
| Linha 17 | 51 - WM AEREM Roger Dorchy/Denis Morin WM P 79 Peugeot - 4:04.17 (200.899 km/h) | 20 - Lambretta SAFD Michel Elkoubi/Max Cohen-Olivar/Pierre Yver Lola T 298 BMW - 4:05.74 (199.616 km/h) |
| Linha 18 | 29 - Mogil Motors Ltd. Tony Charnell/Richard Jones/Robin Smith Chevron B 36 Ford - 4:05.80 (199.567 km/h) | 64 - North American Racing Team Jean-Pierre Delaunay/Cyril Grandet/Preston Henn Ferrari 512 BB - 4:06.30 (199.162 km/h) |
| Linha 19 | 32 - BP Racing / Hubert Striebig Alain Cudini/Hubert Striebig/Hughes Kirschoffer TOJ SC 206 BMW - 4:06.62 (198.904 km/h) | 82 - Lubrifilm Racing Team Angelo Pallavicini/Herbert Muller/Marco Vanoli Porsche 934 - 4:06.65 (198.879 km/h) |
| Linha 20 | 73 - Dick Barbour Racing/Wynn's Bob Kirby/John Hotchkiss/Bob Harmon Porsche 935/78 - 4:07.05 (198.557 km/h) | 18 - Daniel Brillat Daniel Brillat/Jean-Pierre Aeschlimann Cheetah Cedac G 601 BMW - 4:07.17 (198.461 km/h) |
| Linha 21 | 26 - Racing Organization Course Michel Dubois/Pierre-Francois Rousselot/Marc Menant Chevron B 36 ROC Chrysler-Simca - 4:07.59 (198.124 km/h) | 31 - Kores Racing - France Chauffage Dominique Lacaud/Michel Lateste Lola T 297 BMW - 4:08.08 (197.733 km/h) |
| Linha 22 | 33 - Racing Organization Course Marcel Tarres/Alain Dechelette/Charles Dechelette Chevron B 36 ROC Chrysler-Simca - 4:08.26 (197.590 km/h) | 35 - Carlo Pietromarchi Gianfranco Brancatelli/Carlo Pietromarchi/Maurizio Micangeli De Tomaso Pantera Ford - 4:10.77 (195.612 km/h) |
| Linha 23 | 61 - "Beurlys" Bernard de Dryver/Jean Blaton/Steve O Rourke/Nick Faure Ferrari 512 BB - 4:11.98 (194.673 km/h) | 17 - Cheetah Racing Cars Sandro Plastina/Philippe Roux/Mario Luini/ Cheetah G 601 BMW - 4:12.02 (194.642 km/h) |
| Linha 24 | 28 - Racing Organization Course Noel del Bello/Albert Dufrene/Bernard Verdier Chevron B 36 ROC Chrysler-Simca - 4:12.17 (194.526 km/h) | 84 - Anny-Charlotte Verney Anny Charlotte Verney/Rene Metge/Patrick Bardinon Porsche 934 - 4:12.29 (194.433 km/h) |
| Linha 25 | 24 - Dorset Racing Associates Richard Jenvey/Nick Mason/Brian Joscelyne/Tony Birchenhough Lola T 297 Ford - 4:12.47 (194.295 km/h) | 22 - Georges Morand Eric Vuagnat/Jacques Boillat/ Lola T 296 Ford - 4:12.91 (193.957 km/h) |
| Linha 26 | 86 - Kores Racing Georges Bourdillat/Pascal Ennequin/Alain-Michel Bernard Porsche 934 - 4:15.17 (192.239 km/h) | 87 - Christian Bussi Christian Bussi/Bernard Salam Porsche 934 - 4:15.82 (191.750 km/h) |
| Linha 27 | 25 - Jean-Marie Lemerle Alain Levie/Jean-Marie Lemerle/Jean-Pierre Malcher Lola T 298 ROC Chrysler-Simca - 4:17.38 (190.588 km/h) | 72 - Dick Barbour Racing Bob Garretson/Skeeter McKitterick/Edwin Abate Porsche 935/78 - 4:18.19 (189.990 km/h) |
| Linha 28 | 50 - Robin Hamilton Mike Salmon/Robin Hamilton/David Preece Aston Martin RHAM V8 Turbo - 4:24.48 (185.472 km/h) |
