| 1st | 32 | Jean-Pierre Beltoise / François Cevert | Matra-Simca MS670B | Equipe Matra | 1:42.2730 |
| 2nd | 33 | Gérard Larrousse / Henri Pescarolo | Matra-Simca MS670B | Equipe Matra | 1:43.9110 |
| 3rd | 11 | Arturo Merzario / Carlos Pace | Ferrari 312 PB | Ferrari SEFAC SPA | 1:44.2010 |
| 4th | 12 | Tim Schenken / Carlos Reutemann | Ferrari 312 PB | Ferrari SEFAC SPA | 1:44.7980 |
| 5th | 10 | Brian Redman / Jacky Ickx | Ferrari 312 PB | Ferrari SEFAC SPA | 1:45.4690 |
| 6th | 2 | Mike Hailwood / John Watson | Mirage M6 Ford | Gulf Research Racing Co. | 1:46.0040 |
| 7th | 1 | Derek Bell / Howden Ganley | Mirage M6 Ford | Gulf Research Racing Co. | 1:46.3300 |
| 8th | 91 | Bob Fisher / John Buffum | Chevron B23 Ford | Professional Racing Associates | 1:55.5470 |
| 9th | 73 | Bert Kuehne / Roman Pechmann | March 73S BMW | STP March Racing Team | 1:56.8460 |
| 10th | 6 | Mark Donohue / George Follmer | Porsche 911 Carrera RSR | Roger Penske Enterprises | 1:57.8800 |
| 11th | 59 | Peter Gregg / Hurley Haywood | Porsche Carrera RSR | Brumos Porsche-Audi Corp. | 1:58.0420 |
| 12th | 5 | Jackie Stewart / Jody Scheckter | Ford Capri RS 2600 | Herb Wetanson Racing | 1:59.7130 |
| 13th | 0 | Warren Agor / Paul Nichter | Chevrolet Camaro | Warren Agor Racing Enterprises, Inc. | 2:01.5910 |
| 14th | 3 | Harry Theodoracopulos / Horst Kwech | Ford Capri RS 2600 | Ausca, Inc. | 2:02.5020 |
| 15th | 16 | Michael Keyser / Milt Minter | Porsche 911 Carrera RSR | Toad Hall Motor Racing | 2:02.9200 |
| 16th | 48 | John Greenwood / Johnny Rutherford | Chevrolet Corvette | John Greenwood Racing | 2:03.8040 |
| 17th | 88 | Maurice Carter / Tony DeLorenzo | Chevrolet Camaro | Carter Racing Services | 2:03.8740 |
| 18th | 70 | Milt Minter / Bob Harmon | Porsche Carrera RSR | Bob Harmon Racing | 2:04.0080 |
| 19th | 14 | Al Holbert / John McComb | Porsche Carrera RSR | Holbert's Porsche-Audi | 2:04.5550 |
| 20th | 81 | Grey Egerton / Elliot Forbes-Robinson | Porsche 911 Carrera RSR 2.8 | Pharr West Racing | 2:05.1720 |
| 21st | 23 | Angel Monguzzi / Nestor Garcia-Veiga | Ferrari 365 GTB/4 | Diagnosis and Service Racing | 2:05.7970 |
| 22nd | 76 | Mike Downs / John Kelly | Porsche Carrera RS | Silverstone Enterprises | 2:05.9660 |
| 23rd | 36 | Paul Miller / Kenper Miller | Chevrolet Camaro | Miller Brothers Racing Enterprises | 2:06.5210 |
| 24th | 43 | Dave Helmick / John O'Steen | Porsche 911 Carrera RS | Ecurie Escargot | 2:06.6510 |
| 25th | 8 | Sam Posey / François Migault | Ferrari 365 GTB/4 | North American Racing Team | 2:07.1580 |
| 26th | 94 | Wilbur Pickett / Bill Bean | Chevrolet Corvette | Leidon Blackwell Racing | 2:07.4300 |
| 27th | 26 | Fred Kepler / Bob Sharp | Chevrolet Corvette | Fred Kepler Enterprises | 2:08.2030 |
| 28th | 9 | Bob Grossman / Don Yenko | Ferrari 365 GTB/4 | Robert Grossman | no time |
| 29th | 65 | Gregg Loomis / Pete Harrison | Porsche 911 Carrera RSR 2.8 | Gregg Loomis | no time |
| 30th | 25 | Bert Everett / Teodoro Zeccoli | Alfa Romeo Montreal | Bobcor Performance Racing Corp. | no time |
| 31st | 64 | Bob Baechle / Lothar Stahlberg | Chevrolet Corvette | Weaver Chevrolet | 2:18.9960 |
| 32nd | 41 | Rodney Harris / Paul Choiniere | Chevrolet Corvette | Rodney Harris | 2:14.8460 |