| 1st | 46 | Bobby Rahal / Mauricio DeNarvaez / Jim Trueman | March 82G Chevrolet | Garretson Development | 2:27.0670 |
| 2nd | 2 | John Fitzpatrick | Porsche 935 K3/80 | John Fitzpatrick Racing | 2:30.2350 |
| 3rd | 86 | Hurley Haywood / Al Holbert / Bruce Leven | Porsche 935/80 | Bayside Disposal Racing | 2:32.3910 |
| 4th | 00 | Ted Field / Danny Ongais | Porsche 935 K3/80 | Interscope Racing | 2:34.3240 |
| 5th | 5 | Derek Bell / Craig Siebert / Bob Akin | Porsche 935 K3/80 | Bob Akin Motor Racing | 2:36.0550 |
| 6th | 18 | John Paul, Jr. / John Paul | Porsche 935 JLP-3 | JLP Racing | 2:36.1460 |
| 7th | 7 | Ralph Kent-Cooke / Jim Adams / David Hobbs | Lola T600 Chevrolet | Cooke Racing | 2:38.2740 |
| 8th | 25 | Dave Cowart / Kenper Miller | March 82G BMW | Red Lobster Racing | 2:38.6080 |
| 9th | 9 | Ray Ratcliff / Grady Clay / Skeeter McKitterick | Porsche 935 K3 | Garretson Development | 2:39.2360 |
| 10th | 16 | Marty Hinze / Bill Whittington / Don Whittington | Porsche 935 K3 | T-Bird Swap Shop | 2:41.8390 |
| 11th | 09 | Preston Henn / Dale Whittington / Randy Lanier | Porsche 935 K3 | T-Bird Swap Shop | 2:44.9010 |
| 12th | 65 | Carson Baird / Tom Pumpelly / Chip Mead | Ferrari 512 BB/LM | Prancing Horse Farm Racing | 2:46.0860 |
| 13th | 8 | M. L. Speer / Terry Wolters / Charles Mendez | Porsche 935 JLP-2 | JLP Racing | 2:46.1350 |
| 14th | 54 | Tony Garcia / Albert Naon / Fred Stiff | BMW M1 | Montura Racing | 2:46.3030 |
| 15th | 11 | Dennis Aase | BMW M1 | Kendall Racing | 2:46.9270 |
| 16th | 48 | Phil Currin / John Carusso | Chevrolet Corvette | Sanyo | 2:47.2970 |
| 17th | 6 | Desiré Wilson / Janet Guthrie / Bonnie Henn | Ferrari 512 BB/LM | North American Racing Team | 2:47.3210 |
| 18th | 84 | "Jamsal" / Eduardo Barrientos | Porsche 934 | Scorpio Racing | 2:47.3690 |
| 19th | 79 | Tom Winters / Robert Overby / Bob Bergstrom | Porsche 924 Carrera GTR | ProMotion/Whitehall | 2:51.1680 |
| 20th | 50 | Diego Febles / Tato Ferrer / Chiqui Soldevilla | Porsche Carrera RSR | Diego Febles Racing | 2:53.3160 |
| 21st | 45 | Hershel McGriff | Chevrolet Camaro | Stratagraph Inc. | 2:53.5780 |
| 22nd | 82 | Jim Cook / Jim Mullen | Mazda RX-7 | Trinity Racing | 2:55.1680 |
| 23rd | 05 | Tico Almeida / Ernesto Soto / Rene Rodriguez | Porsche Carrera RSR | T & R Racing | 2:56.0910 |
| 24th | 19 | Ash Tisdelle / Lance Van Every | Porsche Carrera RSR | Van Every Racing | 2:57.1300 |
| 25th | 51 | Ed Pimm / Walt Bohren / Doug Carmean | Mazda RX-7 | Red Roof Inns | 2:57.6160 |
| 26th | 38 | Roger Mandeville / Jeff Kline / Amos Johnson | Mazda RX-7 | Mandeville Racing Ent. | 2:57.8910 |
| 27th | 39 | Rainer Brezinka / Rudy Bartling / Fritz Hochreuter | Porsche Carrera RSR | R & H Racing | 2:58.1800 |
| 28th | 87 | Luis Mendez / Ralph Sanchez | Mazda RX-7 | R. Sanchez Racing | 2:58.4260 |
| 29th | 63 | Jim Downing / Tom Waugh / John Maffucci | Mazda RX-7 | Jim Downing | 2:58.5530 |
| 30th | 58 | Jim Busby / Doc Bundy / James Brolin | Porsche 924 Carrera | Brumos Racing | 2:59.6360 |
| 31st | 97 | Don Cummings / Irwin Ayes | Chevrolet Monza | The Cummings Marque | 2:59.7810 |
| 32nd | 21 | Joe Crevier / Paul Fassler / Bob Zeigel | BMW M1 | Creviér & Associates | 3:00.3530 |
| 33rd | 66 | Jack Dunham / Luis Sereix | Mazda RX-7 | Dunham Trucking | 3:00.8220 |
| 34th | 75 | Doug Lutz / Dave Panaccione | Porsche 911 Carrera RSR | D & L Performance | 3:02.6000 |
| 35th | 03 | Angelo Pallavicini / Neil Crang / John Sheldon | Porsche 935 | Angelo Pallavicini | 3:02.8840 |
| 36th | 40 | Luis Gordillo / Manuel Villa / Mandy Gonzalez | Porsche Carrera RSR | Manuel Villa | 3:03.2450 |
| 37th | 34 | George Drolsom / Bill Johnson / Tom Davey | Porsche 924 Carrera | Drolsom Racing | 3:04.2070 |
| 38th | 94 | Bard Boand / Richard Anderson / Brian Utt | Chevrolet Corvette Sting Ray | Bard Boand | 3:04.2870 |
| 39th | 29 | Hoyt Overbagh | Oldsmobile Starfire | Oberdorfer Research | 3:06.0880 |
| 40th | 42 | Gary Wonzer / Bill Bean / Chuck Grantham | Porsche 911 | Gary Wonzer | 3:06.7850 |
| 41st | 71 | Jeff Loving | Chevrolet Camaro | Sunrise Auto Parts | 3:06.8650 |
| 42nd | 02 | Milt Minter / John Bauer | Ford Mustang | Marketing Corporation | 3:10.4940 |
| 43rd | 53 | "Fomfor" / Guillermo Valiente | BMW 3.0 CSL | Fomfor Racing El Salvador | 3:11.8660 |
| 44th | 69 | Kenneth LaGrow / William Boyer / Jack Turner | Chevrolet Monza | Kenneth LaGrow | 3:12.2130 |
| 45th | 68 | Jack Rynerson / Van McDonald / Harvey McDonald | Porsche 911 | John Rynerson | 3:12.6140 |
| 46th | 78 | Vicki Smith / Klaus Bitterauf / Scott Flanders | Porsche 911 | Der Klaus Haus | 3:13.8320 |
| 47th | 30 | Ron Case / Michael Harry / Angelo Pizzagelli | Porsche 911 | Case Racing | 3:13.9870 |
| 48th | 60 | Bob Lee / Brian Erikson | AMC AMX | Bob's Speed Products | 3:16.1970 |
| 49th | 20 | Bruce Jernigan / William Boyer | Chevrolet Camaro | Fuchs-Whitaker | 3:17.3420 |
| 50th | 77 | Dudley Davis / Henry Godfredson / Charlie Lloyd | Porsche 911 | Dudley Davis | 3:17.8490 |
| 51st | 96 | Ron Reed / Mike Langlinais | Datsun 240Z | Bon Temps Racing | 3:19.5150 |
| 52nd | 44 | Billy Hagan / Gene Felton | Chevrolet Camaro | Stratagraph Inc. | 3:23.0780 |
| 53rd | 27 | Jim Fowells / Ray Mummery / John Carusso | Mazda RX-7 | Scuderia Rosso | 3:23.5710 |
| 54th | 93 | Uli Bieri / Jean-Pierre Zingg / Herman Lausberg | Porsche 911 | Uli Bieri | 3:31.2360 |
| 55th | 15 | Timothy Lee / Al White / Craig Pearce | Mercury Capri | Tim Lee | 3:39.5130 |
| 56th | 3 | Ned Skiff / Jim Leo | Renault R12 | Ned Skiff | no time |
| 57th | 4 | Darin Brassfield / Jerry Brassfield / Bill Cooper | Pontiac Firebird | Oftedahl Racing | no time |
| 58th | 10 | Bob Raub / Tony Brassfield / Carl Shafer | Pontiac Firebird | Oftedahl Racing | no time |
| 59th | 23 | Raul Garcia / Armando Fernandez | Chevrolet Camaro | Superior Racing | no time |
| 60th | 26 | Earl Roe / Tim Selby | Porsche Carrera RSR | Roe-Selby Racing | no time |
| 61st | 36 | Paul Miller | Porsche 924 Carrera | Herman-Miller P. A. | no time |
| 62nd | 61 | Paul Goral / Nort Northam / Jim Burt | Porsche 911 | Paul Goral | no time |
| 63rd | 74 | Del Russo Taylor / Wayne Dassinger | Chevron GTP Buick | Mark Wagoner | no time |
| 64th | 81 | Bill McDill / Mike Meldeau / Tom Juckette | Chevrolet Camaro | Meldeau Tire World | no time |
| 65th | 88 | George Shafer / Craig Shafer / Al Crookston | Chevrolet Camaro | Shafer Concrete | no time |
| 66th | 01 | John Morton / Tom Klausler | Ford Mustang | Marketing Corporation | no time |
| 67th | 07 | Tom Buckley / Peter Aschenbrenner / Gene Rutherford | Porsche 914/6 | Road Runner Racing | no time |