| 1st | 8 | Jo Siffert / Brian Redman | Porsche 917 K | J. W. Automotive Engineering | 1:25.2100 |
| 2nd | 1 | Chris Amon / Arturo Merzario | Ferrari 512 S | Ferrari S.p.A. SEFAC | 1:25.7800 |
| 3rd | 10 | Vic Elford / Kurt Ahrens, Jr. | Porsche 917 K | Porsche Konstrukzion Salzburg | 1:25.8200 |
| 4th | 3 | Ignazio Giunti / Nino Vaccarella / Chris Amon | Ferrari 512 S Spyder | Ferrari S.p.A. SEFAC | 1:26.1900 |
| 5th | 7 | Pedro Rodriguez / Leo Kinnunen | Porsche 917 K | J. W. Automotive Engineering | 1:26.3600 |
| 6th | 2 | John Surtees / Peter Schetty | Ferrari 512 S | Ferrari S.p.A. SEFAC | 1:26.6900 |
| 7th | 14 | Jürgen Neuhaus / Helmut Kelleners | Porsche 917 K | Gesipa Racing Team | 1:27.0200 |
| 8th | 9 | Hans Herrmann / Richard Attwood | Porsche 917 K | Porsche Konstrukzion Salzburg | 1:27.1500 |
| 9th | 12 | Hans Laine / Gijs van Lennep | Porsche 917 K | Racing Team AAW | 1:27.5200 |
| 10th | 41 | Andrea de Adamich / Piers Courage | Alfa Romeo T33/3 | Autodelta S.p.A. | 1:27.8800 |
| 11th | 38 | Nanni Galli / Rolf Stommelen | Alfa Romeo T33/3 | Autodelta S.p.A. | 1:28.2600 |
| 12th | 37 | Henri Pescarolo / Johnny Servoz-Gavin | Matra-Simca MS650 | Matra | 1:28.3400 |
| 13th | 36 | Jean-Pierre Beltoise / Jack Brabham | Matra-Simca MS650 | Matra | 1:28.6000 |
| 14th | 4 | Mike Parkes / Herbert Müller | Ferrari 512 S | Scuderia Filipinetti | 1:28.6100 |
| 15th | 5 | Corrado Manfredini / Gianpiero Moretti | Ferrari 512 S | C. Manfredini Scuderia Picchio Rosso | 1:29.0800 |
| 16th | 39 | Masten Gregory / Toine Hezemans | Alfa Romeo T33/3 | Autodelta S.p.A. | 1:29.2100 |
| 17th | 11 | Tony Adamowicz / David Piper | Porsche 917 K | David Piper | 1:29.3900 |
| 18th | 40 | Teodoro Zeccoli / Carlo Facetti | Alfa Romeo T33/3 | Autodelta S.p.A. | 1:32.7900 |
| 19th | 16 | Teddy Pilette / Gustave Gosselin | Lola T70 Mk.3B GT Chevrolet | Racing Team V.D.S. | 1:32.8600 |
| 20th | 50 | Gérard Larrousse / Rudi Lins | Porsche 908/02 LH | International Martini Racing | 1:34.3500 |
| 21st | 44 | Gerhard Koch / Hans-Dieter Dechent | Porsche 908/02 | International Martini | 1:36.0900 |
| 22nd | 23 | Johannes Ortner / Mario Casoni | Abarth 2000 S (SE010) | Abarth-Osella | 1:38.2600 |
| 23rd | 49 | Antonio Nicodemi / Jonathan Williams | Porsche 907 | Antonio Nicodemi | 1:38.5400 |
| 24th | 52 | Hans-Dieter Blatzheim / Helmut Krause | Porsche 907 | Hans-Dieter Blatzheim | 1:41.1400 |
| 25th | 53 | André Wicky / Mario Cabral | Porsche 907 | André Wicky Racing Team | 1:41.4500 |
| 26th | 24 | Antonio Zadra / Giuseppe Dalla Torre | Abarth 2000 S (SE010) | Antonio Zadra (Scuderia Trentina) | 1:42.0200 |
| 27th | 56 | Giovanni Alberti / Carlo Zuccoli | Alfa Romeo T33/2 Spyder | Scuderia Madunina-Alberti | 1:43.7000 |
| 28th | 48 | "Nicor" / Spartaco Dini | Alfa Romeo T33/2 | SCAR Autostrada | 1:43.7400 |
| 29th | 25 | John L'Amie / Brian Nelson | Porsche 910 | John L'Amie | 1:43.8200 |
| 30th | 75 | Claude Haldi / "Mirage" | Porsche 911 S | Porsche Club Romand | 1:50.5000 |
| 31st | 70 | Giancarlo Rondanini / Ennio Bonomelli | Porsche 911 S | Giancarlo Rondanini | 1:51.7900 |
| 32nd | 78 | Fiorenzo Genta / "Nicky" | Porsche 911 S | Fiorenzo Genta Jolly Club | 1:52.3300 |
| 33rd | 84 | Sylvain Garant / Mario Ilotte | Porsche 911 S | André Wicky Racing Team | 1:52.5600 |
| 34th | 87 | Giuseppe Schenetti / Sergio Zerbini | Porsche 911 S | Scuderia Brescia Corse | 1:52.6000 |
| 35th | 73 | Erwin Kremer / Willi Kauhsen | Porsche 911 S | Porsche Kremer Racing | 1:53.5700 |
| 36th | 96 | Giulio Rossi / Paolo Monti | Alfa Romeo GTA | Scuderia Citta dei Mille | 1:55.4800 |
| 37th | 95 | Cesare Poretti / Maurizio Zanetti | Alfa Romeo GTA | Monzeglio Squadra Corse | 1:56.3400 |
| 38th | 94 | Luigi Cabella / Paolo de Leonibus | Alfa Romeo GTA | Jolly Club | 1:56.6600 |
| 39th | 33 | Mario Nardari / "Pal Joe" | Abarth 1000 S | Mario Nardari | 1:57.7000 |
| 40th | 34 | Rolando Vaglio / Silvio Vaglio | Abarth 1000 SP | Abarth Corse Svizerra | 2:00.8300 |