| 1st | 7 | Jean-Pierre Beltoise / François Cevert | Matra-Simca MS670B | Equipe Matra-Simca | 1:21.1300 |
| 2nd | 1 | Brian Redman / Jacky Ickx | Ferrari 312 PB long | Spa Ferrari SEFAC | 1:21.8000 |
| 3rd | 6 | Henri Pescarolo / Gérard Larrousse | Matra-Simca MS670B | Equipe Matra-Simca | 1:22.2600 |
| 4th | 3 | Carlos Reutemann / Tim Schenken | Ferrari 312 PB long | Spa Ferrari SEFAC | 1:22.6500 |
| 5th | 2 | Arturo Merzario / Carlos Pace | Ferrari 312 PB long | Spa Ferrari SEFAC | 1:22.6700 |
| 6th | 4 | Derek Bell / Howden Ganley | Mirage M6 Ford | Gulf Racing | 1:22.8200 |
| 7th | 5 | Mike Hailwood / Vern Schuppan / Derek Bell | Mirage M6 Ford | Gulf Racing | 1:23.6700 |
| 8th | 10 | Pino Pica / Giorgio Pianta | Lola T280/2 Ford | Jolly Club | 1:25.7500 |
| 9th | 16 | "PAM" / Carlo Facetti | Alfa Romeo T33/TT/3 | Scuderia Brescia Corse | 1:27.0300 |
| 10th | 31 | Gabriele Serblin / Andrea de Adamich | March 73S BMW | Ceramiche Pagnossin | 1:31.1100 |
| 11th | 12 | Reinhold Jöst / Mario Casoni | Porsche 908/03 | Reinhold Jöst | 1:32.7600 |
| 12th | 42 | Francesco Cerulli-Irelli / Manfred Mohr / Martino Finotto | AMS 273 Hart | AMS Corse | 1:33.8500 |
| 13th | 23 | Ray Fallo / José Dolhem | Lola T292 Ford | Ecurie Bonnier Team BIP | 1:34.8300 |
| 14th | 35 | Mauro Formento / Luigi Pozzo | Chevron B21 Ford | Scuderia Brescia Corse | 1:35.0500 |
| 15th | 53 | Giovanni Morelli / Mauro Nesti | Chevron B21 Ford | Scuderia S. Michele | 1:35.4800 |
| 16th | 37 | Peter Ettmüller / Walter Frey | Chevron B19/23 Ford | Squadra Tartaruga | 1:35.9600 |
| 17th | 14 | Claude Haldi / Juan Fernandez | Porsche 908/03 | Porsche Club Romand | 1:36.2500 |
| 18th | 32 | "Tango" / Luciano Rassega | Chevron B21 Ford | "Tango" | 1:36.4100 |
| 19th | 25 | Giorgio Schön / "Pal Joe" | Lola T290 Abarth | Citta dei Mille | 1:36.5700 |
| 20th | 22 | Carlos Santos / Mario Cabral | Lola T292 Ford | Ecurie Bonnier Team BIP | 1:36.6500 |
| 21st | 21 | Carlos Gaspar / Jorge Pinhol | Lola T292 Ford | Ecurie Bonnier Team BIP | 1:36.7500 |
| 22nd | 54 | Stefano Buonapace / Eris Tondelli | Chevron B21 Ford | Eris Tondelli | 1:37.8700 |
| 23rd | 39 | "Amphicar" / Ignazio Capuano | Chevron B23 Ford | Scuderia Pegaso | 1:38.0600 |
| 24th | 82 | George Follmer / Manfred Schurti | Porsche Carrera RSR | Martini Racing Team | 1:38.6700 |
| 25th | 15 | André Wicky / Max Cohen-Olivar | Porsche 908/02 | Wicky Racing Team | 1:38.7700 |
| 26th | 33 | Luigi Moreschi / "Frank McBoden" | Chevron B21 Ford | Luigi Moreschi | 1:38.9600 |
| 27th | 51 | Cosimo Turizio / Achille Marzi | Chevron B21 Ford | Mario Nadari | 1:39.0200 |
| 28th | 36 | Ian Harrower / James Bell | Chevron B21 Ford | Ian Harrower | 1:39.0300 |
| 29th | 52 | Giovanni Lise / Umberto Grano | Chevron B21 Ford | Giovanni Lise | 1:39.0400 |
| 30th | 24 | "Pooky" / Giancarlo Gagliardi | Lola T290 Ford | Scuderia Brescia Corse | 1:39.1700 |
| 31st | 85 | John Fitzpatrick / Paul Keller | Porsche 911 Carrera RSR | Porsche Kremer Racing | 1:39.1700 |
| 32nd | 61 | Corrado Manfredini / Gianpiero Moretti | De Tomaso Pantera | Momo Racing | 1:39.1900 |
| 33rd | 64 | Gabriele Gottifredi / Giancarlo Galimberti / "Gero" | De Tomaso Pantera | Gabriele Gottifredi | 1:39.2500 |
| 34th | 81 | Gijs van Lennep / Herbert Müller | Porsche 911 Carrera RSR | Martini Racing Team | 1:39.5400 |
| 35th | 84 | Clemens Schickentanz / Erwin Kremer | Porsche Carrera RSR | Porsche Kremer Racing | 1:39.6900 |
| 36th | 66 | Gianmassimo Martino / "Alval" / Ugo Locatelli | De Tomaso Pantera | Citta dei Mille | 1:39.9400 |
| 37th | 92 | Ennio Bonomelli / Teodoro Zeccoli | Porsche 911 Carrera RSR 2.8 | Ennio Bonomelli | 1:40.4800 |
| 38th | 88 | Bernard Chenevière / Peter Zbinden | Porsche 911 Carrera RSR 2.8 | Porsche Club Romand | 1:40.7100 |