| 1st | 59 | Peter Gregg / Brad Frisselle | Porsche 935 | Brumos Porsche | 1:52.3640 | 206.2455 |
| 2nd | 95 | Hurley Haywood / Bob Hagestad | Porsche 935 | Bob Hagestad | 1:52.5450 | |
| 3rd | 6 | Dick Barbour / Johnny Rutherford | Porsche 935/77A | Dick Barbour Racing | 1:54.6870 | |
| 4th | 30 | Gianpiero Moretti / Charles Mendez | Porsche 935 | Electrodyne Inc. | 1:56.0090 | |
| 5th | 06 | Michael Keyser / R. V. Shulnburg | Chevrolet Corvette | Shulnburg Scrap Metal | 1:58.6760 | |
| 6th | 9 | John Paul / Bob Bondurant | Porsche 935 | Dick Barbour | 1:59.2160 | |
| 7th | 13 | Tom Spalding / Hal Shaw, Jr. | Porsche 935 | Hal Shaw Racing | 1:59.3830 | |
| 8th | 68 | Rick Hay / Phil Currin | Chevrolet Corvette | Rick Hay | 2:00.1710 | |
| 9th | 96 | Gene Felton | Buick Skylark | Gene Felton | 2:07.0870 | 182.3515 |
| 10th | 15 | Alf Gebhardt | BMW 3.5 CSL | Bavarian Motors International | 2:07.7090 | |
| 11th | 28 | Clif Kearns / Milt Minter | Porsche 935 | Desperado Racing | 1:56.7780 | |
| 12th | 33 | Bonky Fernandez / Dave Cowart | Porsche Carrera RSR | Boricua Racing | 2:06.3350 | 183.4379 |
| 13th | 94 | Bill Whittington / Don Whittington | Porsche 935/77A | Whittington Brothers Racing | 2:06.6840 | |
| 14th | 67 | Charles Pelz / Neil Upchurch | Chevrolet Camaro | Charles F. Pelz | 2:07.2250 | |
| 15th | 46 | Mauricio DeNarvaez | Porsche 911 Carrera RSR | Mauricio DeNarvaez | 2:07.2800 | |
| 16th | 23 | Hoyt Overbagh / Billy Hagan | Chevrolet Monza | Overbagh Motor Racing | 2:07.6070 | |
| 17th | 1 | Dale Kreider / Bruce Davidson | Chevrolet Corvette | Dale Kreider | 2:07.8280 | |
| 18th | 76 | Lee Mueller / Frank Thomas | Porsche 911 | Quality Inn | 2:09.9220 | 178.3732 |
| 19th | 32 | Steve Earle / Bob Akin | Porsche 911 Carrera RSR | Earle & Akin Racing Associates | 2:09.9750 | |
| 20th | 01 | Dave White / J. Dana Roehrig | Porsche 911 S | J. Dana Roehrig | 2:10.4260 | |
| 21st | 58 | Diego Febles / Francisco Romero | Porsche 911 Carrera RSR | Diego Febles Racing | 2:10.6640 | |
| 22nd | 60 | Rusty Bond / Ren Tilton | Porsche 911 | R & R Racing | 2:12.8700 | |
| 23rd | 34 | George Drolsom / Hugh Davenport | Porsche 911 S | Drolsom Racing | 2:12.8770 | |
| 24th | 51 | John Hotchkis / Dennis Aase | Porsche 911 | Wynn's International | 2:13.4750 | |
| 25th | 36 | Dave Panaccione / Ron Case | Porsche 911 | Ron Case | 2:14.4580 | |
| 26th | 27 | Ray Mummery / Jack Refenning / Tom Sheehy | Porsche 911 S | Ray Mummery | 2:16.0410 | |
| 27th | 0 | Gene Rutherford / Tom Wallace | Oldsmobile Cutlass | Gene Rutherford | 2:18.0910 | |
| 28th | 61 | Al Cosentino / Jim Downing | Mazda RX-3 | Faza Squadra | 2:18.6540 | |
| 29th | 7 | Amos Johnson / Roger Mandeville | AMC Pacer | Amos Johnson | 2:21.5740 | |
| 30th | 78 | Rod Bremner / Don McKnight | Triumph TR7 | Abingdon/Ashley Motors | 2:22.0600 | |
| 31st | 16 | Dennis Shaw / Jim Woodward | AMC Pacer | Amos Johnson | 2:22.1790 | |
| 32nd | 62 | Bill Koll / David Hamren | Porsche 914/6 | William Koll | 2:22.5160 | |
| 33rd | 79 | Robert Wood / Keith Swope | AMC Pacer | Robert Wood | 2:25.6180 | |
| 34th | 99 | Ralston Long / Charlie Cook / Mike Danner | AMC Gremlin | Southwind Enterprises | 2:25.7070 | |
| 35th | 19 | Anatoly Arutunoff / José Marina | Lancia Stratos | Anatoly Arutunoff | 2:28.6340 | |
| 36th | 45 | Jim Gaeta / Gary Steele | Porsche 911 | Vann's Auto Body | 2:29.6330 | |
| 37th | 26 | John Foshee / Ernie Smith / Red Brennan | Alfa Romeo GTV | John Foshee/Ernie Smith | 2:32.6080 | |
| 38th | 65 | Richard Valentine / Roger Pierce | Chevrolet Corvette | RJV Enterprises | 2:34.0110 | |
| 39th | 10 | Clay Young / Eddie Johnson / Bob Buchler | Pontiac Grand Am | Clay Young | 2:38.6640 | |
| 40th | 21 | Andy Vann / Joel Neshkin | AMC Gremlin | Andy Vann | 2:39.9040 | |
| 41st | 49 | Bo Montgomery | AMC Concord | Doell Assoc. | no time | |