| 1st | 46 | Rahal / DeNarvaez / Trueman | March 82G Chevrolet | Garretson Development | 2:27.0670 | 204.8534 |
| 2nd | 2 | Fitzpatrick / *Hobbs | Porsche 935 K3/80 | John Fitzpatrick Racing | 2:30.2350 | |
| 3rd | 86 | Haywood / Holbert / Leven | Porsche 935/80 | Bayside Disposal Racing | 2:32.3910 | |
| 4th | 00 | Field / Ongais | Porsche 935 K3/80 | Interscope Racing | 2:34.3240 | |
| 5th | 5 | Bell / Siebert / Akin | Porsche 935 K3/80 | Bob Akin Motor Racing | 2:36.0550 | |
| 6th | 18 | Paul, Jr. / Paul | Porsche 935 JLP-3 | JLP Racing | 2:36.1460 | |
| 7th | 7 | Kent-Cooke / Adams / Hobbs | Lola T600 Chevrolet | Cooke Racing | 2:38.2740 | |
| 8th | 25 | Cowart / Miller | March 82G BMW | Red Lobster Racing | 2:38.6080 | |
| 0 | Field / Ongais | Porsche 935 K3/80 | Interscope Racing | 2:38.8790 | |
| 9th | 9 | Ratcliff / Clay / McKitterick | Porsche 935 K3 | Garretson Development | 2:39.2360 | |
| 10th | 16 | Hinze / Whittington / Whittington / *Henn | Porsche 935 K3 | T-Bird Swap Shop | 2:41.8390 | |
| 11th | 09 | Henn / Whittington / Lanier | Porsche 935 K3 | T-Bird Swap Shop | 2:44.9010 | |
| 12th | 65 | Baird / Pumpelly / Mead | Ferrari 512 BB/LM | Prancing Horse Farm Racing | 2:46.0860 | |
| 13th | 8 | Speer / Wolters / Mendez | Porsche 935 JLP-2 | JLP Racing | 2:46.1350 | |
| 14th | 54 | Garcia / Naon / Stiff | BMW M1 | Montura Racing | 2:46.3030 | 181.1574 |
| 15th | 11 | Aase / *Kendall / *Hotchkis | BMW M1 | Kendall Racing | 2:46.9270 | |
| 16th | 48 | Currin / Carusso | Chevrolet Corvette | Sanyo | 2:47.2970 | |
| 17th | 6 | Wilson / Guthrie / Henn | Ferrari 512 BB/LM | North American Racing Team | 2:47.3210 | |
| 18th | 84 | "Jamsal" / Barrientos | Porsche 934 | Scorpio Racing | 2:47.3690 | |
| 19th | 79 | Winters / Overby / Bergstrom | Porsche 924 Carrera GTR | ProMotion/Whitehall | 2:51.1680 | |
| 20th | 50 | Febles / Ferrer / Soldevilla | Porsche Carrera RSR | Diego Febles Racing | 2:53.3160 | |
| 21st | 45 | McGriff / *Brooks | Chevrolet Camaro | Stratagraph Inc. | 2:53.5780 | |
| 22nd | 82 | Cook / Mullen | Mazda RX-7 | Trinity Racing | 2:55.1680 | 171.9890 |
| 23rd | 05 | Almeida / Soto / Rodriguez | Porsche Carrera RSR | T & R Racing | 2:56.0910 | |
| 24th | 19 | Tisdelle / Van Every | Porsche Carrera RSR | Van Every Racing | 2:57.1300 | |
| 25th | 51 | Pimm / Bohren / Carmean | Mazda RX-7 | Red Roof Inns | 2:57.6160 | |
| 26th | 38 | Mandeville / Kline / Johnson | Mazda RX-7 | Mandeville Racing Ent. | 2:57.8910 | |
| 27th | 39 | Brezinka / Bartling / Hochreuter | Porsche Carrera RSR | R & H Racing | 2:58.1800 | |
| 28th | 87 | Mendez / Sanchez / *Ramirez | Mazda RX-7 | R. Sanchez Racing | 2:58.4260 | |
| 29th | 63 | Downing / Waugh / Maffucci | Mazda RX-7 | Jim Downing | 2:58.5530 | |
| 30th | 58 | Busby / Bundy / Brolin | Porsche 924 Carrera | Brumos Racing | 2:59.6360 | |
| 31st | 97 | Cummings / Ayes | Chevrolet Monza | The Cummings Marque | 2:59.7810 | |
| 32nd | 21 | Crevier / Fassler / Zeigel | BMW M1 | Creviér & Associates | 3:00.3530 | |
| 33rd | 66 | Dunham / Sereix / *Meyer | Mazda RX-7 | Dunham Trucking | 3:00.8220 | |
| 34th | 75 | Lutz / Panaccione | Porsche 911 Carrera RSR | D & L Performance | 3:02.6000 | |
| 35th | 03 | Pallavicini / Crang / Sheldon | Porsche 935 | Angelo Pallavicini | 3:02.8840 | |
| 36th | 40 | Gordillo / Villa / Gonzalez | Porsche Carrera RSR | Manuel Villa | 3:03.2450 | |
| 37th | 34 | Drolsom / Johnson / Davey | Porsche 924 Carrera | Drolsom Racing | 3:04.2070 | |
| 38th | 94 | Boand / Anderson / Utt | Chevrolet Corvette Sting Ray | Bard Boand | 3:04.2870 | |
| 39th | 29 | Overbagh / *Kirill / *Smith, Jr. | Oldsmobile Starfire | Oberdorfer Research | 3:06.0880 | |
| 17 | Chitwood / Varde | Chevrolet Camaro | Tim Chitwood | 3:06.1910 | |
| 40th | 42 | Wonzer / Bean / Grantham | Porsche 911 | Gary Wonzer | 3:06.7850 | |
| 41st | 71 | Loving / *Belin | Chevrolet Camaro | Sunrise Auto Parts | 3:06.8650 | |
| 42nd | 02 | Minter / Bauer | Ford Mustang | Marketing Corporation | 3:10.4940 | |
| 43rd | 53 | "Fomfor" / Valiente / *Gonzalez | BMW 3.0 CSL | Fomfor Racing El Salvador | 3:11.8660 | |
| 44th | 69 | LaGrow / Boyer / Turner | Chevrolet Monza | Kenneth LaGrow | 3:12.2130 | |
| 45th | 68 | Rynerson / McDonald / McDonald | Porsche 911 | John Rynerson | 3:12.6140 | |
| 46th | 78 | Smith / Bitterauf / Flanders | Porsche 911 | Der Klaus Haus | 3:13.8320 | |
| 47th | 30 | Case / Harry / Pizzagelli | Porsche 911 | Case Racing | 3:13.9870 | |
| 48th | 60 | Lee / Erikson / *Church | AMC AMX | Bob's Speed Products | 3:16.1970 | |
| 49th | 20 | Jernigan / Boyer / *Smith / *Tumbleston | Chevrolet Camaro | Fuchs-Whitaker | 3:17.3420 | |
| 50th | 77 | Davis / Godfredson / Lloyd | Porsche 911 | Dudley Davis | 3:17.8490 | |
| 31 | Arutunoff / Marina | Lancia Stratos | Hallet Motor Racing Circuit | 3:19.4000 | |
| 51st | 96 | Reed / Langlinais | Datsun 240Z | Bon Temps Racing | 3:19.5150 | |
| 52nd | 44 | Hagan / Felton | Chevrolet Camaro | Stratagraph Inc. | 3:23.0780 | |
| 53rd | 27 | Fowells / Mummery / Carusso | Mazda RX-7 | Scuderia Rosso | 3:23.5710 | |
| 54th | 93 | Bieri / Zingg / Lausberg / *Silte | Porsche 911 | Uli Bieri | 3:31.2360 | |
| 55th | 15 | Lee / White / Pearce | Mercury Capri | Tim Lee | 3:39.5130 | |
| 56th | 3 | Skiff / Leo | Renault R12 | Ned Skiff | no time | |
| 57th | 4 | Brassfield / Brassfield / Cooper | Pontiac Firebird | Oftedahl Racing | no time | |
| 58th | 10 | Raub / Brassfield / Shafer | Pontiac Firebird | Oftedahl Racing | no time | |
| 59th | 23 | Garcia / Fernandez | Chevrolet Camaro | Superior Racing | no time | |
| 60th | 26 | Roe / Selby | Porsche Carrera RSR | Roe-Selby Racing | no time | |
| 61st | 36 | Miller / *Bedard / *Barth | Porsche 924 Carrera | Herman-Miller P. A. | no time | |
| 62nd | 61 | Goral / Northam / Burt | Porsche 911 | Paul Goral | no time | |
| 63rd | 74 | Taylor / Dassinger / *Taylor | Chevron GTP Buick | Mark Wagoner | no time | |
| 64th | 81 | McDill / Meldeau / Juckette | Chevrolet Camaro | Meldeau Tire World | no time | |
| 65th | 88 | Shafer / Shafer / Crookston | Chevrolet Camaro | Shafer Concrete | no time | |
| 66th | 01 | Morton / Klausler | Ford Mustang | Marketing Corporation | no time | |
| 67th | 07 | Buckley / Aschenbrenner / Rutherford | Porsche 914/6 | Road Runner Racing | no time | |