| 1st | 53 | Jo Siffert / Brian Redman | Porsche 908/02 | Porsche System Engineering Ltd. | 1:28.8000 |
| 2nd | 60 | Chris Amon / Pedro Rodriguez | Ferrari 312 P | Ferrari S.p.A. Sefac | 1:30.0000 |
| 3rd | 3 | Jo Bonnier / Herbert Müller | Lola T70 Mk.3B GT Chevrolet | Scuderia Filipinetti Ecurie Bonnier | 1:31.6000 |
| 4th | 55 | Vic Elford / Richard Attwood | Porsche 908/02 | Porsche System Engineering Ltd. | 1:32.0000 |
| 5th | 54 | Gerhard Mitter / Udo Schütz | Porsche 908/02 | Porsche System Engineering Ltd. | 1:32.2000 |
| 6th | 56 | Hans Herrmann / Rolf Stommelen | Porsche 908/02 | Porsche System Engineering Ltd. | 1:33.2000 |
| 7th | 58 | Denny Hulme / Frank Gardner | Ford F3L P68 | Alan Mann Racing Ltd. | 1:33.2000 |
| 8th | 5 | Trevor Taylor / Hugh Dibley | Lola T70 Mk.3B GT Chevrolet | Team Elite | 1:33.6000 |
| 9th | 1 | Paul Hawkins / Jonathan Williams | Lola T70 Mk.3B GT Chevrolet | Paul Hawkins (Racing) Ltd. | 1:34.2000 |
| 10th | 4 | Peter Revson / Sten Axelsson / Denny Hulme | Lola T70 Mk.3B GT Chevrolet | Sidney Taylor | 1:34.4000 |
| 11th | 51 | Jackie Oliver / Jacky Ickx | Mirage M2/300 BRM | J. W. Automotive Engineering Ltd. | 1:35.4000 |
| 12th | 7 | Chris Craft / Eric Liddell | Lola T70 Mk.3 GT Chevrolet | Tech-Speed Racing | 1:36.4000 |
| 13th | 2 | David Piper / Roy Pierpoint | Lola T70 Mk.3B GT Chevrolet | David Piper | 1:37.0000 |
| 14th | 10 | David Hobbs / Mike Hailwood | Ford GT40 | J. W. Automotive Engineering Ltd. | 1:37.8000 |
| 15th | 6 | Ulf Norinder / Robin Widdows | Lola T70 Mk.3B GT Chevrolet | Sportscars Switzerland | 1:38.0000 |
| 16th | 71 | John Miles / Brian Muir | Lotus 62 Vauxhall | Gold Leaf Team Lotus | 1:38.4000 |
| 17th | 11 | José Juncadella / Gordon Spice | Ford GT40 | Escuderia Montjuich | 1:39.0000 |
| 18th | 63 | Rudi Lins / Willi Kauhsen | Porsche 907 2.2 | German Racing Team | 1:39.4000 |
| 19th | 24 | Digby Martland / Richard Broström | Porsche 910 | P. S. McNally | 1:39.8000 |
| 20th | 25 | Reine Wisell / John Hine | Chevron B8 BMW | Chevron Cars | 1:39.8000 |
| 21st | 83 | Gijs van Lennep / Toine Hezemans | Abarth 2000 S | S.R.T. Holland | 1:39.8000 |
| 22nd | 23 | Nick Gold / Juan Fernandez | Porsche 906 | Nick Gold | 1:41.0000 |
| 23rd | 21 | Rob Slotemaker / Teddy Pilette | Alfa Romeo T33/2 | Racing Team V.D.S. | 1:41.2000 |
| 24th | 27 | Peter Brown / Roger Enever | Chevron B8 BMW | Clive Baker | 1:42.0000 |
| 25th | 62 | Gerhard Koch / Hans-Dieter Dechent | Porsche 907 2.2 | German B.G. Racing Team | 1:42.0000 |
| 26th | 78 | John Lepp / John Bridges | Chevron B8 Ford | Chevron Cars | 1:43.0000 |
| 27th | 79 | John Blades / Jim Morley | Chevron B8 Ford | Ben Shermann Originals Ltd. | 1:43.4000 |
| 28th | 8 | Peter Sadler / Paul Vestey | Ford GT40 | Peter Sadler | 1:43.4000 |
| 29th | 22 | Gustave Gosselin / Claude Bourgoignie | Alfa Romeo T33/2 | Racing Team V.D.S. | 1:43.8000 |
| 30th | 9 | Reinhold Jöst / Helmut Kelleners | Ford GT40 | IGFA German Racing Team | 1:44.4000 |
| 31st | 75 | Ian Tee / Willie Green | Ginetta G16A BRM | W. J. Tee | 1:44.6000 |
| 32nd | 82 | Tony Beeson / Alain De Cadenet | Ferrari Dino 206 S | Scodec de Cadenet | 1:44.6000 |
| 33rd | 81 | Mike Crabtree / Peter Jackson | Nomad Mk.1 BRM | Julian Hasler | 1:46.2000 |
| 34th | 12 | David Prophet / Edward Nelson | Lola T70 Mk.3 GT Chevrolet | David Prophet | 1:46.6000 |