| Pos | Car # | Drivers | Car | Entrant | Laps | DNF Reason | Grid | Qual.Time | Group | Group Pos |
| 1 | 2 | Pedro Rodriguez/Jackie Oliver | Porsche 917K [034/013] | John Wyer Automotive | 174 | 5 | 1m35.74 | Sports 5000 | 1 | |
| 2 | 1 | Jo Siffert/Derek Bell | Porsche 917K [017/004] | John Wyer Automotive | 171 | 7 | 1m36.40 | Sports 5000 | 2 | |
| 3 | 18 | Andrea de Adamich/Henri Pescarolo | Alfa Romeo T33/3 [75080005] | Autodelta SpA | 168 | 6 | 1m35.74 | Prototype 3000 | 1 | |
| 4 | 19T | Rolf Stommelen/Toine Hezemans/Giovanni Galli* | Alfa Romeo T33/3 | Autodelta SpA | 167 | 3 | 1m35.15 | Prototype 3000 | 2 | |
| 5 | 16 | Toine Hezemans/Nino Vaccarella/Rolf Stommelen/Teodoro Zeccoli* | Alfa Romeo T33/3 | Autodelta SpA | 166 | 8 | 1m36.98 | Prototype 3000 | 3 | |
| 6 | 12 | Herbert Müller/René Herzog | Ferrari 512M [1044] | Herbert Müller | 164 | 10 | 1m38.30 | Sports 5000 | 3 | |
| 7 | 6 | Willy Kauhsen/Reinhold Jöst | Porsche 917K [022] | Team Auto Usdau | 164 | 14 | 1m42.07 | Sports 5000 | 4 | |
| 8 | 11 | Gianpiero Moretti/Teodoro Zeccoli/Roland Kistler* | Ferrari 512M [1008] | Herbert Müller | 157 | 13 | 1m41.80 | Sports 5000 | 5 | |
| 9 | 5 | Gérard Pillon/Dominique Martin | Porsche 917K [025] | Zitro Racing Cars | 154 | 15 | 1m48.40 | Sports 5000 | 6 | |
| 10 | 21 | André Wicky/Ernesto Brambilla/Peter Mattli/Max Cohen-Olivar* | Porsche 908/02 | Wicky Racing Team | 144 | 20 | 1m54.76 | Prototype 3000 | 4 | |
| 11 | 29 | Gianfranco Palazzoli/Romolo Becchetti/Luigi Taramazzo* | Abarth 2000S | Squadra Corse Meda | 139 | 19 | 1m54.31 | Sports 2000 | 1 | |
| 12 | 50 | Günther Huber/Erwin Kremer | Porsche 911S | Kremer Racing | 134 | 28 | 2m00.35 | Grand Touring +2000 | 1 | |
| 13 | 58 | Peter Ettmüller/Ernst Seiler | Porsche 914/6 GT [043 0181] | Squadra Tartaruga | 132 | 18 | 1m53.94 | Grand Touring 2000 | 1 | |
| 14 | 30 | Michel Dupont/Fabrizio Noe | Chevron B16 Ford | Michel Dupont | 128 | 22 | 1m56.85 | Sports 2000 | 2 | |
| 15 | 46 | Ivo Grauls/Chris Tuerlinx | Chevrolet Corvette | Trans-Europ Gulf Racing Team | 127 | 26 | 1m59.44 | Grand Touring +2000 | 2 | |
| DNF | 44 | Antonio Zadra/Giovanni Pierobon | Lola T210 Ford | Scuderia Brescia Corse | 117 | Engine | 17 | 1m53.26 | Prototype 2000 | |
| DNF | 33 | Giuseppe Schenetti/Sergio Zerbini | Porsche 910 | Scuderia Brescia Corse | 89 | Electrics | 30 | 2m02.03 | Sports 2000 | |
| DNF | 23 | Giacomo Moioli/Oddone Sigala | Porsche 908/02 | Scuderia Brescia Corse | 70 | Fuel pump | 27 | 1m59.77 | Prototype 3000 | |
| DNF | 4 | Helmut Marko/Gijs van Lennep | Porsche 917K [019] | Martini International Racing Team | 60 | Throttle linkage | 12 | 1m39.85 | Sports 5000 | |
| DNF | 38 | Mario Casoni/Giovanni Alberti/Eris Tondelli* | Chevron B19 Ford | Giovanni Alberti | 43 | Oil system | 24 | 1m58.00 | Prototype 2000 | |
| DNF | 28 | Spartaco Dini/Carlo Benelli | Abarth 2000S | "Riccardone" | 47 | Gearbox | 16 | 1m52.97 | Sports 2000 | |
| DNF | 3 | Vic Elford/Gérard Larrousse^ | Porsche 917K [020] | Martini International Racing Team | 44 | Throttle | 1 | 1m32.93 | Sports 5000 | |
| DNF | 8 | Mike Parkes/Jo Bonnier^ | Ferrari 512S/M [1022] | Scuderia Filipinetti | 30 | Engine | 4 | 1m35.17 | Sports 5000 | |
| DNF | 9 | Corrado Manfredini/Giancarlo Gagliardi/Mike Parkes* | Ferrari 512M [1050] | Scuderia Filipinetti | 27 | Fuel pump | 9 | 1m37.71 | Sports 5000 | |
| DNF | 48 | Ennio Bonomelli/Christine Beckers^ | Porsche 911S | Ennio Bonomelli | 15 | Engine | 29 | 2m01.52 | Grand Touring +2000 | |
| DNF | 7 | Arturo Merzario/José Juncadella^ | Ferrari 512M [1002] | Escuderia Montjuich | 11 | Collision with Meier | 11 | 1m39.11 | Sports 5000 | |
| DNF | 15 | Jacky Ickx/Clay Regazzoni^ | Ferrari 312PB [0878] | Spa Ferrari SEFAC | 11 | Accident | 2 | 1m33.91 | Prototype 3000 | |
| DNF | 22 | Hans-Dieter Weigel/Dieter Spoerry^ | Porsche 908/02 | Team Auto Usdau | 9 | Accident | 23 | 1m57.67 | Prototype 3000 | |
| DNF | 26 | Willy Meier/Peter Mattli^/Walter Brun* | Porsche 907 [005] | Wicky Racing Team | 8 | Collision with Merzario | 25 | 1m59.30 | Prototype 3000 | |
| DNS | 24 | Otto Stuppacher/Kurt Rieder | Porsche 908/02 | Bosch Racing Team | Engine | 21 | 1m54.87 | Prototype 3000 | ||
| DNQ | 14 | Marsilio Pasotti/Carlo Facetti*/Giambattista Guarnieri* | Ferrari 512M [1024] | Scuderia Brescia Corse | 1m40.28 | Sports 5000 | ||||
| DNQ | 57 | Bernard Cheneviére/Paul Keller | Porsche 914/6 | Porsche Club Romand | 2m02.28 | Grand Touring 2000 | ||||
| DNQ | 54 | Mario Ilotte/Raffaello Ciarpaglini/Giancarlo Rondanini* | Porsche 911S | Scuderia Brescia Corse | 2m02.53 | Grand Touring +2000 | ||||
| DNQ | 56 | Elvio Maria Zanini/Luigi Colzani/Romano Zanini* | Porsche 914/6 GT | Elvio Maria Zanini | 2m03.61 | Grand Touring 2000 | ||||
| DNQ | 61 | Charly Cuenoud/Willy Meier/Serge Bolomey | Porsche 911 | Wicky Racing Team | 2m04.34 | Grand Touring 2000 | ||||
| DNQ | 62 | Carlo Giorgio/Luigi Cabella* | Porsche 911T | Ennio Bonomelli | 2m05.74 | Grand Touring 2000 | ||||
| DNQ | 67 | Gianluigi Tavolaccini/Gabriele Gottifredi | Porsche 911T | Jolly Club | 2m08.64 | Grand Touring 2000 | ||||
| DNQ | 42 | Guy Edwards/Mike Franey | Lola T212 Ford | Guy Edwards | 2m08.65 | Prototype 2000 | ||||
| DNQ | 34 | Vittorio Mascari/Federico Capasso/Massimo Boretti* | Porsche 906 | Vittorio Mascari | 2m11.75 | Sports 2000 | ||||
| DNQ | 64 | Vincenzo Zanini/Giorgio Costa*/Raffaele Pinto* | Porsche 911 | Vincenzo Zanini | 2m13.06 | Grand Touring 2000 | ||||
| DNQ | 60 | Giampaolo Baruffi/Giancarlo Galmozzi* | Porsche 911T | Giampaolo Baruffi | 2m16.85 | Grand Touring 2000 | ||||
| DNQ | 31 | Mike Garton/Roger Heavens* | Chevron B16 Ford | Mike Garton | Engine | 2m19.66 | Sports 2000 | |||
| DNQ | 39 | Leandro Terra/Turillo Barbuscia* | Ferrari Dino 206S | Pescara | 2m20.55 | Prototype 2000 | ||||
| DNQ | 63 | Giorgio Schön/Pino Mariella*/Paolo Monti* | Porsche 911T | Ennio Bonomelli | 2m20.86 | Grand Touring 2000 | ||||
| DNQ | 66 | Roland Larsson/Kurt Simonsen | Porsche 911 | Kurt Simonsen | 2m22.81 | Grand Touring 2000 | ||||
| DNQ | 69 | Romano Martini/Luigi Moreschi | Gipsy P271 Dino | Romano Martini | Accident in practice | no time | Prototype 2000 | |||
| DNS | T | Derek Bell/Jackie Oliver | Porsche 917K [016] | John Wyer Automotive | 1m35.88 | Sports 5000 | ||||
| DNS | 19 | Nanni Galli/Rolf Stommelen | Alfa Romeo T33/3 | Autodelta SpA | Accident in practice | 1m35.15 | Prototype 3000 | |||
| DNS | 21T | Ernesto Brambilla | Porsche 908/02 | Wicky Racing Team | 1m54.76 | Prototype 3000 | ||||
| DNA | 10 | Heinrich Wiesendanger/Cox Kocher | Ferrari 512S [1016] | Herbert Müller | Sports 5000 | |||||
| DNA | 20 | Teodoro Zeccoli/Gianluigi Picchi | Alfa Romeo T33/3 | Autodelta SpA | Prototype 3000 | |||||
| DNA | 25 | Claude Ballot-Léna/Guy Chasseuil | Porsche 908/02 | Claude Ballot-Léna | Prototype 3000 | |||||
| DNA | 27 | Renzo Ruspa/Sergio Morando | Abarth 2000S | Scuderia Brescia Corse | Sports 2000 | |||||
| DNA | 32 | Giorgio Pianta/Giacomo Moioli | Porsche 910 | Ennio Bonomelli | Sports 2000 | |||||
| DNA | 35 | Ugo Locatelli/Piero Botalla | AMS 1300 Ford | Ugo Locatelli | Prototype 2000 | |||||
| DNA | 36 | Stefano Buonapace/Demetrio Martino | AMS 1300 Alfa Romeo | Nettuno | Prototype 2000 | |||||
| DNA | 37 | Carlo Facetti/Eris Tondelli | Chevron B19 Ford | Scuderia Brescia Corse | Prototype 2000 | |||||
| DNA | 40 | Egert Haglund/Björn Olofsson | Gropa CMC Ford | G P Race Development | Prototype 2000 | |||||
| DNA | 41 | Antonio Nicodemi/Silvio Moser | Lola T212 Ford | Jolly Club Switzerland | Prototype 2000 | |||||
| DNA | 43 | Georges Dumoing/Gérard Cerruti | Lola T212 Ford | Georges Dumoing | Prototype 2000 | |||||
| DNA | 45 | Francesco Ghezzi/Alain De Cadenet | Lola T212 Ford | Ecurie Evergreen | Prototype 2000 | |||||
| DNA | 49 | Clemens Schickentanz | Porsche 911S | Peter Kersten | Grand Touring +2000 | |||||
| DNA | 51 | Klaus Utz/Rolf Göring | Porsche 911S | Max Moritz | Grand Touring +2000 | |||||
| DNA | 52 | Vincenzo Cazzago/Raffaello Ciarpaglini | Porsche 911S | Scuderia Brescia Corse | Grand Touring +2000 | |||||
| DNA | 53 | Jacques Rey/Jean-Marie Jacquemin | Porsche 911S | Jacques Rey | Grand Touring +2000 | |||||
| DNA | 55 | Fausto de Nobili/Luigi Colzani/Vincenzo Cazzago | Porsche 911S | Scuderia Brescia Corse | Grand Touring +2000 | |||||
| DNA | 59 | Gerd F. Quist/Dietrich Krumm | Porsche 914/6 | Autohaus Max Moritz | Grand Touring 2000 | |||||
| DNA | 65 | Angelo Mola/Franco Berruto | Porsche 911 | Scuderia Brescia Corse | Grand Touring 2000 | |||||
| DNA | 68T | David Weir/Alain De Cadenet | Ferrari 512S | Ecurie Evergreen | Sports 5000 |