| 1st | 86 | Peter Gregg / Hurley Haywood / Bruce Leven | Porsche 935/77A | Bayside Disposal Racing | 2:14.9790 | 171.6896 |
| 2nd | 6 | Brian Redman / Dick Barbour / Skeeter McKitterick | Porsche 935 | Dick Barbour Racing | 2:15.6750 | |
| 3rd | 07 | Ludwig Heimrath / Brett Lunger | Porsche 935 | Ludwig Heimrath | 2:16.0000 | |
| 4th | 2 | David Hobbs / Derek Bell | BMW 320i Turbo | McLaren North America | 2:16.5560 | |
| 5th | 4 | Skeeter McKitterick / Bob Garretson | Porsche 935 | Dick Barbour Racing | 2:19.3910 | |
| 6th | 5 | Charles Mendez / Paul Miller | Porsche 935 | CMR, Inc. | 2:20.1700 | |
| 7th | 0 | Ted Field / Milt Minter | Porsche 935/79 | Interscope Racing | 2:21.5440 | |
| 8th | 3 | Jim Busby / Dennis Aase | BMW M1 | Jim Busby Racing | 2:21.9470 | |
| 9th | 66 | Kees Nierop / Norm Ridgely | Porsche 935 | Renaissance Group | 2:25.5230 | |
| 10th | 48 | Phil Currin / John Carusso | Chevrolet Corvette | Autodyne | 2:27.8090 | 156.7871 |
| 11th | 9 | Rob McFarlin / Bob Akin | Porsche 935 | Dick Barbour Racing | 2:29.6470 | |
| 12th | 83 | Don Devendorf / Tony Adamowicz | Datsun 280ZX | Electramotive | 2:29.8660 | 154.6354 |
| 13th | 89 | Francisco Romero / Diego Febles | Porsche 911 Carrera RSR | Hector Huerta | 2:30.0450 | |
| 14th | 44 | Bob Tullius / Brian Fuerstenau | Triumph TR8 | Group 44 | 2:30.5050 | |
| 15th | 79 | Bob Bergstrom / Rick Knoop | Mazda RX-7 | Sports Ltd. Racing | 2:32.0450 | |
| 16th | 54 | Tony Garcia / Terry Herman | Porsche Carrera RSR | Montura Racing | 2:32.6100 | |
| 17th | 46 | Mauricio DeNarvaez / Albert Naon | Porsche 911 Carrera RSR | Mauricio DeNarvaez | 2:32.8170 | |
| 18th | 03 | Werner Frank / Rudy Bartling | Porsche 934 | Werner Frank | 2:32.9550 | |
| 19th | 17 | Jeff Kline / Jim Mederer | Mazda RX-7 | Racing Beat | 2:34.0390 | |
| 20th | 77 | Roger Mandeville / Jim Downing | Mazda RX-7 | Roger T. Mandeville | 2:34.2920 | |
| 21st | 01 | Dave White | BMW 320i | Roehrig Racing | 2:35.7380 | |
| 22nd | 72 | Philip Keirn / Ed Errington | Chevrolet Corvette | Keirn Garage | 2:36.3750 | |
| 23rd | 14 | Rusty Schmidt / Doug Grunnet | Chevrolet Corvette | Corvettes Unlimited | 2:36.5580 | |
| 24th | 62 | Bill Koll / Jim Cook | Porsche 914/6 | Koll Motor Sports | 2:36.6480 | |
| 25th | 38 | Skip DeAscentis / Larry Trotter | Chevrolet Corvette | DeAscentis Racing | 2:37.0590 | |
| 26th | 31 | Bard Boand / Keith Feldott | Chevrolet Corvette Sting Ray | Bard Boand Racing | 2:37.2320 | |
| 27th | 7 | Walt Bohren / Ron Cortez | Mazda RX-7 | Walt Bohren Racing | 2:37.0590 | |
| 28th | 42 | Tom Ashby / Bill Bean | Porsche 911 | Bullwinkele Racing | 2:37.4630 | |
| 29th | 56 | Craig Carter | Chevrolet Camaro | Peerless Racing | 2:37.5080 | |
| 30th | 61 | Jerry Lancaster / John Luczyk | Chevrolet Corvette | L & L Racing Ent. | 2:38.7520 | |
| 31st | 25 | Kenper Miller | BMW 3.5 CSL | Deren Automotive | 2:41.4440 | |
| 32nd | 39 | John Higgins / James King / Roger Seacrist | Porsche 911 | Foreign Exchange | 2:41.9630 | |
| 33rd | 43 | Bob Gregg / Len Jones | Porsche 911 | Bob Gregg | 2:43.7910 | |
| 34th | 85 | John Hulen / Ron Coupland | Porsche 914/6 | John E. Hulen | 2:44.2370 | |
| 35th | 45 | Michael Guffey / Jack Buchinger | Datsun 280Z | Michael Guffey | 2:44.4300 | |
| 36th | 73 | Clark Howey / Dale Koch | Chevrolet Camaro | Howey Farms | 2:45.0680 | |
| 37th | 34 | George Drolsom / Fred Clark | Porsche 911 | Drolsom Racing | 2:45.2200 | |
| 38th | 28 | Ray Irwin / Robert Kivela | Chevrolet Corvette | Auto Concepts | 2:46.5780 | |
| 39th | 40 | Steve Southard / Earl Roe | Porsche 914/6 | Performance Specialists | 2:46.7320 | |
| 40th | 52 | Wayne Baker / Paul Haas / Margie Smith-Haas | Porsche 914/4 | Personalized Porsche | 2:48.8970 | |
| 41st | 8 | Anatoly Arutunoff | Lancia Stratos | Automobile International | 2:54.9140 | |
| 42nd | 29 | Tom Cronin / Ken Bolt | Fiat 128 | Thomas E. Cronin | 2:59.1140 | |
| 43rd | 41 | Mark Leuzinger / Mike Van der Werff | De Tomaso Pantera | B. R. Racing Team | no time | |
| 44th | 60 | Rusty Bond / Ren Tilton | Porsche 911 | E. J. Pruitt & Sons | no time | |