Grelha de partida
| A Negro O piloto que efectuou o melhor tempo nos treinos, em itálico o piloto que iniciou a corrida |
| Linha 1 | 9 - Renault Sport Jean-Pierre Jabouille/Derek Bell Renault Alpine A442 - 3:31.7 (231.951 km/h) | 8 - Renault Sport Patrick Depailler/Jacques Laffite Renault Alpine A442 - 3:32.9 (230.643 km/h) |
| Linha 2 | 3 - Martini Racing Jacky Ickx/Henri Pescarolo Porsche 936/77 - 3:33.0 (230.535 km/h) | 7 - Renault Sport Patrick Tambay/Jean-Pierre Jaussaud Renault Alpine A442 - 3:34.8 (228.603 km/h) |
| Linha 3 | 16 - Equipe de Chaunac Didier Pironi/Rene Arnoux/Guy Frequelin Renault Alpine A442 - 3:38.6 (224.629 km/h) | 41 - Martini Racing Rolf Stommelen/Manfred Schurti Porsche 935/77 - 3:39.3 (223.912 km/h) |
| Linha 4 | 4 - Martini Racing Jurgen Barth/Hurley Haywood/Jacky Ickx Porsche 936/77 - 3:40.0 (223.200 km/h) | 39 - Gelo Racing Team Toine Hezemans/Tim Schenken/Hans Heyer Porsche 935 - 3:40.3 (222.896 km/h) |
| Linha 5 | 38 - Gelo Racing Team Tim Schenken/Toine Hezemans/Hans Heyer Porsche 935 - 3:43.8 (219.410 km/h) | 14 - Daniel Boudry Patrick Perrier/Xavier Lapeyre Lola T 286 Ford - 3:45.2 (218.046 km/h) |
| Linha 6 | 11 - Grand Touring Cars Inc. / Mirage Renault Sam Posey/Michel Leclere Mirage GR 8 Renault - 3:47.0 (216.317 km/h) | 10 - Grand Touring Cars Inc. / Mirage Renault Vern Schuppan/Jean-Pierre Jarier Mirage GR 8 Renault - 3:47.4 (215.937 km/h) |
| Linha 7 | 1 - Inaltera Jean-Pierre Beltoise/Al Holbert Inaltera LM 77 Ford - 3:47.5 (215.842 km/h) | 42 - Porsche Kremer Racing John Fitzpatrick/Guy Edwards/Nick Faure Porsche 935 K2 - 3:48.3 (215.085 km/h) |
| Linha 8 | 5 - Alain de Cadenet Alain de Cadenet/Chris Craft De Cadenet T 380 LM Ford - 3:49.2 (214.241 km/h) | 40 - JMS Racing / ASA Cachia Claude Ballot-Lena/Peter Gregg/Jacques Borras Porsche 935 - 3:56.6 (207.716 km/h) |
| Linha 9 | 58 - Porsche Kremer Racing Bob Wollek/Steve/Philippe Gurdjian Porsche 934 - 3:59.0 (205.456 km/h) | 29 - Osella Squadra Corse Alain Cudini/Raymond Touroul/Anna Cambiaghi Osella PA 5 BMW - 3:59.6 (204.942 km/h) |
| Linha 10 | 2 - Inaltera Lella Lombardi/Christine Beckers Inaltera LM 77 Ford - 4:00.5 (204.175 km/h) | 88 - Inaltera Jean Ragnoti/Jean Rondeau Inaltera LM 77 Ford - 4:00.7 (204.005 km/h) |
| Linha 11 | 60 - Schiller Racing Team Claude Haldi/Florian Vetsch/Angelo Pallavicini Porsche 934 - 4:01.0 (203.751 km/h) | 26 - Sté Racing Organization Course Michel Pignard/Albert Dufrene/Jacques Henry Chevron B 36 ROC Chrysler-Simca - 4:03.4 (201.742 km/h) |
| Linha 12 | 59 - Schiller Racing Team Francois Servanin/Laurent Ferrier/Franz Hummel Porsche 934 - 4:05.4 (200.098 km/h) | 85 - WM AEREM Marc Sourd/Jean-Louis Lafosse/Xavier Mathiot WM P 77 Peugeot - 4:06.1 (199.529 km/h) |
| Linha 13 | 25 - Sté Racing Organization Course Max Cohen-Olivar/Alain Flotard/Michel Dubois Chevron B 36 ROC Chrysler-Simca - 4:09.7 (196.652 km/h) | 22 - Chandler IBEC International / Team Lloyd Tony Charnell/Ian Bracey/John Hine/Robin Smith Chevron B 31 Ford - 4:09.8 (196.573 km/h) |
| Linha 14 | 30 - GVEA Georges Morand/Christian Blanc/Frederic Alliot Lola T 296 Ford - 4:10.4 (196.102 km/h) | 32 - André Chevalley Andre Chevalley/Francois Trisconi/Wink Bancroft Cheetah G 501 Ford - 4:11.8 (195.012 km/h) |
| Linha 15 | 56 - JMS Racing / ASA Cachia Cyril Grandet/Jean-Louis Bousquet/Philippe Dagoreau Porsche 934 - 4:12.3 (194.625 km/h) | 21 - Fancy Racing Eugen Strahl/Peter Bernhard Sauber C 5 BMW - 4:13.2 (193.934 km/h) |
| Linha 16 | 57 - Nicholas Koob Willy Braillard/Guillermo Ortega/Nicholas Koob Porsche 934 - 4:13.4 (193.781 km/h) | 28 - Jean-Marie Lemerle Jean-Marie Lemerle/Alain Levie/Pierre-Francois Rousselot Lola T 294 ROC Chrysler-Simca - 4:14.5 (192.943 km/h) |
| Linha 17 | 49 - Guy Chasseuil Guy Chasseuil/Hubert Striebig/Hughes Kirschoffer Porsche Carrera RSR - 4:17.4 (190.769 km/h) | 31 - Dorset Racing Association Ian Harrower/Martin Birrane/Ernst Berg/Richard Down Lola T 294 S Ford - 4:17.4 (190.769 km/h) |
| Linha 18 | 86 - WM AEREM Max Mamers/Jean-Daniel Raulet/Xavier Mathiot WM P 76 Peugeot - 4:21.3 (187.922 km/h) | 84 - Jean-Louis Chateau Jean-Louis Chateau/ Porsche 935 - 4:21.3 (187.922 km/h) Não alinhou a partida |
| Linha 19 | 79 - Ravenel Freres Jean-Louis Ravenel/Jacky Ravenel/Jean-Marie Detrin Porsche Carrera RS - 4:21.7 (187.635 km/h) | 47 - Anny Charlotte Verney Anny Charlotte Verney/Rene Metge/Dany Snobeck/Hubert Striebig Porsche Carrera RSR - 4:22.6 (186.992 km/h) |
| Linha 20 | 71 - Luigi Racing Jean Xhenceval/Pierre Dieudonne/Spartaco Dini BMW 3.0 CSL - 4:23.7 (186.212 km/h) | 80 - Bernard Béguin Bernard Beguin/Rene Boubet/Jean-Claude Briavoine Porsche Carrera RS - 4:25.0 (185.298 km/h) |
| Linha 21 | 89 - Team Esso Aseptogyl Christine Dacremont/Marianne Hoepfner Lancia Stratos Turbo Ferrari - 4:25.3 (185.089 km/h) | 63 - Joël Laplacette Joel Laplacette/Yves Courage/Segolen Porsche Carrera - 4:25.5 (184.949 km/h) |
| Linha 22 | 61 - Christian Gouttepifre Christian Gouttepifre/Philippe Malbran/Alain Leroux Porsche Carrera RS - 4:25.9 (184.671 km/h) | 96 - GVEA Porsche Club Romand Andre Savary/Jean-Robert Corthay/Antoine Salamin Porsche Carrera RS - 4:26.3 (184.394 km/h) |
| Linha 23 | 70 - JMS Racing / ASA Cachia Simon de Lautour/Jean-Pierre Delaunay/Jacques Guerin Porsche Carrera RSR - 4:26.5 (184.255 km/h) | 76 - Jean-Claude Giroix - Garage du Bac Jean Claude Depince/Jacques Coulon BMW 3.0 CSL - 4:26.7 (184.117 km/h) |
| Linha 24 | 72 - Luigi Racing Tom Walkinshaw/Eddy Joosen/Claude de Wael BMW 3.0 CSL - 4:27.1 (183.841 km/h) | 75 - North American Racing Team Francois Migault/Lucien Guitteny Ferrari 365 GT/4 BB - 4:27.9 (183.292 km/h) |
| Linha 25 | 50 - Hervé Poulain Herve Poulain/Marcel Mignot BMW 320 i - 4:27.9 (183.292 km/h) | 77 - Wynn's International John Hotchkiss/Dennis Aase/Bob Kirby Porsche Carrera RSR - 4:28.0 (183.224 km/h) |
| Linha 26 | 78 - Charles Ivey Racing John Rulon-Miller/John Cooper/Peter C. Lovett Porsche Carrera RSR - 4:28.3 (183.019 km/h) | 62 - Georges Bourdillat Georges Bourdillat/Bruno Sotty/Alain-Michel Bernard Porsche Carrera - 4:29.5 (182.204 km/h) |
| Linha 27 | 48 - Thierry Perrier Thierry Perrier/Jean Belliard Porsche Carrera - 4:29.5 (182.204 km/h) | 55 - Escuderia Montjuich Juan Fernandez/Eugenio Baturone/Raphael Tarradas Porsche 934 - 4:30.4 (181.598 km/h) |
| Linha 28 | 87 - Bernard Decure Bernard Decure/Jean-Luc Therier/Cochise Alpine A 310 Renault - 4:31.1 (181.129 km/h) | 83 - Robin Hamilton / SAS Robin Hamilton/Mike Salmon/David Preece Aston Martin RHAM V8 - 4:31.8 (180.662 km/h) |
