| 1st | 2 | Hobbs / Minter / Klausler | BMW 320i Turbo | McLaren North America | 2:35.7340 | 193.4512 |
| 2nd | 6 | Barbour / Stommelen / Schurti | Porsche 935/77A | Dick Barbour Performance | 2:37.6030 | |
| 3rd | 95 | Hagestad / Haywood | Porsche 935 | Bob Hagestad | 2:40.5980 | |
| 4th | 59 | Gregg / *Frisselle | Porsche 935 | Brumos Porsche | 2:42.0100 | |
| 5th | 9 | Redman / Mendez / Garretson | Porsche 935 | Dick Barbour Performance | 2:45.2940 | |
| 6th | 06 | Shulnburg / Heinz / Keyser / *McClain | Chevrolet Corvette | R. V. Shulnburg Scrap Metal | 2:48.1030 | |
| 7th | 28 | Kearns / Hinze / Behr | Porsche 935 | Desperado Racing | 2:50.7800 | |
| 8th | 13 | Shaw, Jr. / Spalding | Porsche 935 | Ore House - Vail | 2:51.9920 | |
| 9th | 04 | Thompkins / Blessing | Chevrolet Corvette | Rick Thompkins | 2:53.6290 | 173.5130 |
| 10th | 33 | Paul / Fernandez | Porsche Carrera RSR | JLP Racing | 2:55.9100 | |
| 11th | 86 | Kleinpeter / Stevens | De Tomaso Pantera GT4K | Team Pantera | 2:56.6400 | |
| 12th | 48 | Sereix / St. James / Currin | Chevrolet Corvette | Autodyne | 2:57.5530 | |
| 13th | 79 | Callas / Papke / Cook | Porsche 911 Carrera RSR 3.0 | Rennsport Porsche Works | 2:57.7370 | |
| 14th | 24 | Frank / Bergstrom | Porsche Carrera RSR | Executive Industries | 2:58.1020 | |
| 15th | 58 | Febles / Poole | Porsche 911 Carrera RSR | Diego Febles Racing | 2:58.1130 | |
| 16th | 32 | Earle / Akin / Knoop | Porsche 911 Carrera RSR | Earle & Akin Racing | 2:58.4900 | |
| 17th | 8 | Beasley / Jennings | Porsche Carrera RSR | Robert Beasley | 2:58.4910 | |
| 18th | 25 | Miller / Bohren | BMW 3.5 CSL | KWM Racing | 2:58.7670 | |
| 19th | 46 | DeNarvaez / Naon | Porsche 911 Carrera RSR | Mauricio De Narvaez | 2:59.7550 | |
| 20th | 11 | Javier Garcia | Chevrolet Corvette C3 | Javier Garcia | 3:01.7260 | |
| 21st | 96 | Felton / Gimondo | Buick Skylark | Unicure | 3:02.4060 | 165.1638 |
| 22nd | 76 | Thomas / Mueller / May | Porsche 911 | Quality Inn | 3:02.4630 | 165.1123 |
| 23rd | 07 | Cowart / Craw / Castellano | Porsche Carrera RSR | Morrison's Inc. | 3:03.0360 | |
| 24th | 1 | Kreider / *Baldwin | Chevrolet Corvette | Dale Kreider Racing | 3:03.4950 | |
| 25th | 77 | Romero / Soto | Porsche 911 | Bill Scott Racing | 3:03.6570 | |
| 26th | 20 | Bostyan / Thompson / Yenko | Chevrolet Corvette | Bostyan Racing | 3:03.8090 | |
| 27th | 41 | Jones, Jr. / Faul | Chevrolet Camaro | Jones Ind. Racing | 3:04.2940 | |
| 28th | 38 | Meldeau / McDill | Chevrolet Camaro | Meldeau Tire Co. | 3:05.6060 | |
| 29th | 23 | Overbagh / *Hagan / *Wamsley | Chevrolet Monza | Overbagh Motor Racing | 3:06.1250 | |
| 30th | 01 | White / Roehrig / Mesnick | Porsche 911 | Roehrig Racing Inc. | 3:06.7060 | |
| 31st | 93 | Whittington / Boy | Porsche 934/5 | Whittington Bros. | 3:06.7260 | |
| 32nd | 84 | Speakman / Maffucci | Datsun 260Z | Worldparts | 3:06.9340 | |
| 33rd | 51 | Hotchkis / Kirby / Aase | Porsche 911 | Wynn's International | 3:06.9810 | |
| 34th | 92 | Sloyer / Fitzgerald | Plymouth Volare | Road Atlanta | 3:07.5540 | |
| 35th | 71 | Higgins / Cooper / King | Porsche 911 | Foreign Exchange Racing | 3:07.6920 | |
| 36th | 91 | Frank / Schramm | Porsche Carrera RSR | Framm Promotions/W. Frank | 3:07.8030 | |
| 37th | 73 | Howey / Koch | Chevrolet Camaro | Howey Farms | 3:08.3220 | |
| 38th | 30 | Gonzalez / Cruz / Villa | BMW 3.0 CSL | Aro-Mandy Racing | 3:08.3710 | |
| 39th | 89 | Bond / Tilton | Porsche 911 | Barrick Motor Racing | 3:09.2230 | |
| 40th | 85 | Hulen / Coupland / Engels | Porsche 914/6 | John Hulen | 3:09.9460 | |
| 41st | 81 | Montalvo / Garcia | Ford Escort | Juan Montalvo | 3:09.9990 | |
| 42nd | 36 | Case / Panaccione / Rynerson | Porsche 911 | Case Racing | 3:10.1880 | |
| 43rd | 50 | Hochreuter / Bartling / Brezinka | Porsche 911 | Fritz Hochreuter | 3:10.3830 | |
| 44th | 47 | Chitwood / Fillingham / Jones | Chevrolet Nova | Tim Chitwood | 3:11.0230 | |
| 45th | 45 | Steele / Gaeta / Zulkowski | Porsche 911 | Vann's Auto Body | 3:11.4510 | |
| 46th | 03 | Gottlob / Terrill | Chevrolet Corvette | Cliff Gottlob | 3:11.6610 | |
| 47th | 88 | Hamilton / Wade / Collins | Porsche 911 | Hamilton House Racing | 3:11.8700 | |
| 48th | 19 | Arutunoff / *Goellnicht / *Marina | Lancia Stratos | Hallet Motor Racing Circuit | 3:12.0360 | |
| 49th | 57 | Keller / Gray / Northam | Chevrolet Corvette C3 | Sebring Racing | 3:12.0990 | |
| 50th | 27 | Mummery / Refenning / Sheehy | Porsche 911 S | Miami Auto Racing | 3:12.1340 | |
| 51st | 14 | LaMay / Valentine / Parker | Ford Mustang | Robert LaMay | 3:13.2470 | |
| 52nd | 78 | Bremner / *McKnight | Triumph TR7 | Abingdon/Ashley Motors | 3:13.5130 | |
| 53rd | 62 | Koll / Hamren / Sherman | Porsche 914/6 | William J. Koll | 3:14.3740 | |
| 54th | 80 | Adams / Bedard / Thomson | Oldsmobile Cutlass | Herb Adams | 3:16.0500 | |
| 55th | 61 | Cosentino / Downing | Mazda RX-3 | Faza Squadra | 3:16.4530 | |
| 56th | 70 | Speer / Turley | Porsche 911 S | Race Car Ent. | 3:16.7210 | |
| 57th | 35 | Beilcke / Grinbold / Gebhardt | BMW 2002 | Team Beilcke | 3:17.7600 | |
| 58th | 08 | Wolters / Miller | Porsche 911 S | Terry Wolters | 3:20.0100 | |
| 59th | 99 | Cook / Cooper / Southern | Datsun 260Z | Bob Bondurant | 3:20.7740 | |
| 60th | 49 | Schumacher / *Hubbard / *Kelly | Triumph GT6 | Ted Schumacher Racing | 3:21.1920 | |
| 61st | 40 | Quintana / *Stone | Ford Mustang | Quintana Racing | 3:22.6170 | |
| 62nd | 54 | Lopez / *Garcia | Chevrolet Camaro | Raul Garcia | 3:22.8960 | |
| 63rd | 00 | Southard / Trueman | Porsche 914 | Red Roof Inns | 3:23.1820 | |
| 64th | 4 | Leuzinger / Van der Werff | De Tomaso Pantera | B. R. Racing Team | 3:24.9460 | |
| 65th | 05 | Bond / Dann | Chevrolet Monza | Saltwater Band | 3:25.3870 | |
| 66th | 21 | DiLella / Cueto | Porsche 914/4 | DiLella Racing | 3:25.3940 | |
| 67th | 34 | Drolsom / Davenport | Porsche 911 S | Drolsom Racing Inc. | 3:26.5750 | |
| 68th | 87 | Vazquez / Oyler | Porsche 911 | Pedro Vazquez | 3:27.5290 | |
| 69th | 52 | Kleinschmidt / Culpepper / Koch | MGB GT | Native Tan | 3:27.7020 | |
| 70th | 02 | Redszus / Rosen | BMW 2002 | H. David Redszus | 3:28.4570 | |
| 71st | 7 | Heimrath / *Ridgely | Porsche 935 | Heimrath Racing | no time | |
| 72nd | 3 | Freeman / Harmon / Leydecker | Porsche Carrera RSR | Bill Freeman Racing | no time | |
| 73rd | 42 | Soldevilla / Gordillo | Porsche 911 S | El Sol Racing | no time | |
| 74th | 09 | Belcher / Bundy / *Holbert | Porsche 934/5 | Belcher Racing | no time | |
| 75th | 17 | LaGrow / Tumbleston | Chevrolet Camaro | Kenneth LaGrow | no time | |
| 76th | 0 | Rutherford / Wallace / Wallace | Oldsmobile Cutlass | Chesrown Olds | no time | |
| 77th | 12 | Garcia / Vilarchao | Chevrolet Corvette | George Garcia | no time | |