| 1st | 67 | Wollek / Bell / Andretti | Porsche 962 | Miller High Life/BF Goodrich 962 | 621 | 3557.8730 kms | 148.0741 | | 1st | GTP | | |
| 2nd | 61 | Cobb / Nielsen / Wallace / Lammers | Jaguar XJR-9 D | Castrol Jaguar Racing | 621 | | | | 2nd | GTP | | |
| 3rd | 3 | Larrauri / Stuck / Brun | Porsche 962 C | Brun Motorsports/Kalagian Racing | 603 | | | | 3rd | GTP | | |
| 4th | 86 | Ludwig / Weaver / van der Merwe | Porsche 962 | Texaco Havoline Star Bayside Motorsports | 600 | | | | 4th | GTP | | |
| 5th | 77 | Katayama / Yorino / Forbes-Robinson | Mazda 767B | Mazda Motors of America | 559 | | | | 5th | GTP | | |
| 6th | 16 | Halsmer / Earl / Martin / Stewart | Lincoln Mercury Cougar XR-7 | Stroh's Light Cougar | 554 | | 131.9244 | | 1st | GTO | | |
| 7th | 11 | Dallenbach, Jr. / Schroeder / Martin | Lincoln Mercury Cougar XR-7 | Stroh's Light Cougar | 534 | | | | 2nd | GTO | 1:53.2520 | 182.1182 |
| 8th | 9 | Morgan / Morrison / Hessert | Tiga GT288 Buick | Essex Racing | 530 | | 126.2691 | | 1st | Lights | | |
| 9th | 92 | Zeeb / Purner / Akin | Lincoln Mercury Capri | Motorcraft | 530 | | | | 3rd | GTO | | |
| 10th | 90 | Petery / Delano / Carter | Lincoln Mercury Capri | Road Circuit Technology | 528 | | | | 4th | GTO | | |
| 11th | 38 | Mandeville / Marsh / Redman | Mazda RX 7 | Mandeville Auto Tech | 528 | | | | 5th | GTO | | |
| 12th | 17 | Bacon / Reed / Millen | Mazda RX-7 | Al Bacon Performance | 526 | | 125.2214 | | 1st | GTU | | |
| 13th | 95 | Leitzinger / Kurtz / Leitzinger | Nissan 240SX | Fastcolor Images | 517 | | | Timing Belt | 2nd | GTU | | |
| 14th | 71 | Johnson / Shaw / Lazier | Mazda RX-7 | Team Highball | 516 | | | | 3rd | GTU | | |
| 15th | 8 | McAdam / Adam / Mead | Fabcar GTP Chevrolet | Fabcar American Racing | 515 | | | | 6th | GTP | | |
| 16th | 89 | Refenning / Scott / Baker / Uria | Porsche 911 Carrera RSR | 901 Racing | 511 | | | | 4th | GTU | | |
| 17th | 03 | Kendall / Jones / McCall / Baldwin | Chevrolet Camaro III | Skoal Bandit Racing | 498 | | | | 6th | GTO | | |
| 18th | 64 | Jourdain / Manautou / Berg / Contreras | Porsche 962 | Bernard Jourdain | 485 | | | Fan belt | 7th | GTP | | |
| 19th | 62 | Wolters / Kraft / Bond / Job | Porsche 911 | Alex Job | 485 | | | | 5th | GTU | | |
| 20th | 10 | Hotchkis / Adams / Hotchkis, Jr. | Porsche 962 | Hotchkis Racing | 483 | | | Gearbox | 8th | GTP | | |
| 21st | 82 | Greer / Mees / Finger | Mazda RX-7 | Aspen Inn | 478 | | | | 6th | GTU | | |
| 22nd | 40 | Finotto / Guatamacchi / Bieri | Tiga GT286 Ferrari | Bieri Racing | 475 | | | | 2nd | Lights | | |
| 23rd | 55 | Marvin / Freed / Allison / Liebler | Spice SE86CL Pontiac Firebird GTP | Huffaker Racing | 471 | | | | 3rd | Lights | 1:58.4920 | 174.0650 |
| 24th | 5 | Frey / Roth / Naon, Jr. | Ford Mustang Probe | Tom Milner Racing | 465 | | | | 9th | GTP | | |
| 25th | 26 | Cowart / Brayton / Meyer / Fowells | Argo JM19 Mazda | MSB Racing | 460 | | | | 4th | Lights | | |
| 26th | 4 | Ludemann / Schubot / Williams | Spice SE88P Buick | Buick/Quaker State | 456 | | | Engine | 5th | Lights | | |
| 27th | 83 | Luyendyk / Robinson / Brabham / Roe | Nissan GTP ZX-T | Electramotive Engineering | 453 | | | Engine | 10th | GTP | | |
| 28th | 33 | Los / Kline / Quester | Spice SE89P Pontiac Firebird GTP | Old Spice Pontiac | 427 | | | Engine | 11th | GTP | | |
| 29th | 09 | Durst / Cochran / Brockman / Belcher | Spice SE88P Buick | Ball Bros. Racing | 426 | | | Differential | 12th | GTP | | |
| 30th | 63 | Katz / Downing / O'Steen / Maffucci | Argo JM19 Mazda | Mazda | 412 | | | Engine | 6th | Lights | | |
| 31st | 43 | Higgins / Lamas / Lazier / Reid | Fabcar CL Porsche | Motorsports Marketing | 395 | | | Engine | 7th | Lights | | |
| 32nd | 75 | Schmidt / Brayton / Schmidt / Engelhardt | Lola-Badger BB Mazda | Jack Engelhardt | 391 | | | | 8th | Lights | | |
| 33rd | 35 | Rubright / Libert / Upton | Chevrolet Camaro | Budweiser Racing | 360 | | | Valve | 7th | GTO | | |
| 34th | 04 | Auberlen / Auberlen / Eisenlohr / Shelton | Porsche 911 Carrera | SP Racing | 351 | | | Engine | 7th | GTU | | |
| 35th | 05 | Ferrer / Falgueras / Villa / Gonzalez | Royale RP40 Porsche | Diman Racing | 349 | | | Engine | 9th | Lights | | |
| 36th | 85 | Leven / Dyson / Dobson / Paul, Jr. | Porsche 962 | Texaco Havoline Star Bayside Motorsports | 347 | | | Piston | 13th | GTP | | |
| 37th | 0 | Jelinski / Ballot-Léna / Ricci | Porsche 962 C | Joest Racing | 346 | | | Accident | 14th | GTP | | |
| 38th | 87 | Stewart / Cortez / Alkazian / Fillip | Mazda RX-7 | Overton Autosport | 344 | | | Mechanical | 8th | GTU | 2:05.5490 | 164.2802 |
| 39th | 51 | Boxstrom / Kreider / Porcaro / Hurley | Buick Somerset | Caribbean Sol | 341 | | | | 8th | GTO | | |
| 40th | 32 | Moore / Baljet / McDonald | Buick Somerset | Oftedahl Racing | 335 | | | | 9th | GTO | | |
| 41st | 74 | Robinson / Kendall / Unser | Pontiac Fiero | Huffaker Racing | 323 | | | Valve | 9th | GTU | | |
| 42nd | 91 | LaCroix / Seabroke / Smith / Johnson | Tiga GT285 Mazda | G.T. Motorsport | 310 | | | Engine | 10th | Lights | | |
| 43rd | 60 | Lammers / Jones / Boesel | Jaguar XJR-9 D | Castrol Jaguar Racing | 288 | | | Engine | 15th | GTP | 1:42.3420 | 201.5333 |
| 44th | 53 | McDill / Whitaker / McDill | Chevrolet Camaro | Chateau Souverain | 287 | | | Differential | 10th | GTO | | |
| 45th | 94 | Burgner / Bupp / Brosnaham / Peters / Montgomery | Chevrolet Camaro | Spirit of Brandon | 269 | | | | 11th | GTO | | |
| 46th | 28 | Adamowicz / Rocca / Lopez / Lopez | Tiga GT286 Mazda | Far Western Bank Canada Shoes | 266 | | | Cooling | 11th | Lights | | |
| 47th | 68 | Andretti / Andretti | Porsche 962 | Busby Racing | 237 | | | Brakes | 16th | GTP | | |
| 48th | 02 | Johnstone / Everett / Nelson | Spice SE86CL Pontiac Firebird | Taymay Inc. | 229 | | | Engine | 12th | Lights | | |
| 49th | 31 | Akers / Painter / Puleo / Donner | Chevrolet Camaro III | A & R Auto Electric | 217 | | | Differential | 12th | GTO | | |
| 50th | 98 | Olson / Cord / Bren | Toyota 88C | All American Racers | 180 | | | Cooling | 17th | GTP | | |
| 51st | 88 | Phillips / Johnson / Lesnett | Argo JM19B Ferrari | Transact, Inc. | 165 | | | CV joint | 13th | Lights | | |
| 52nd | 46 | Urrutia / Whipp / Smith / Swanson | Chevrolet Camaro | Gultwind Marine | 160 | | | Differential | 13th | GTO | | |
| 53rd | 07 | Riggins / Varde / Showket | Dodge Daytona | Full Time Racing | 156 | | | Engine | 10th | GTU | | |
| 54th | 57 | Kryder / Polony / Goodwin / Shafer | Nissan 300ZX | Kryderacing | 142 | | | Engine | 11th | GTU | | |
| 55th | 6 | Pumpelly / Melgrati / Baldwin | Ford Mustang Probe | Tom Milner Racing | 117 | | | Electrics | 18th | GTP | | |
| 56th | 36 | Grooms / Fergus / Jellinek | Argo JM16 Mazda | Erie Scientific | 111 | | | Accident | 14th | Lights | | |
| 57th | 47 | Burt / Northam / Wallace | Chevrolet Camaro | Chaunce Wallace | 111 | | | Electrics | 14th | GTO | | |
| 58th | 27 | Pruett / Clinton / Lindley | Oldsmobile Cutlass | Rocketsports | 101 | | | Engine | 15th | GTO | | |
| 59th | 20 | Phillips / McKay | Tiga GT285 Mazda | Kennedy Groves | 92 | | | Fuel cell | 15th | Lights | | |
| 60th | 30 | Sigala / Baldi / Moretti | Porsche 962 C | Torno-Momo | 80 | | | Accident | 19th | GTP | | |
| 61st | 84 | Roe | Nissan GTP ZX-T | Electramotive Engineering | 51 | | | Withdrawn | 20th | GTP | | |
| 62nd | 12 | Bupp / Peters | Pontiac Firebird | Del Russo Taylor | 50 | | | Differential | 16th | GTO | | |
| 63rd | 29 | Kimbrough / Kahn / Overbagh | Chevrolet Camaro III | Overbagh Motor Racing | 31 | | | Crankshaft | 17th | GTO | | |
| 64th | 58 | Bean / Dow / Wonzer | Lola T616 Mazda | Gary Wonzer Racing | 19 | | | Engine | 16th | Lights | | |
| 65th | 96 | Reisman | Chevrolet Camaro | Paul Reisman | 4 | | | Engine | 18th | GTO | | |
| 66th | 72 | Kjoller | Porsche 911 | Jay Kjoller | 2 | | | Clutch | 12th | GTU | | |
| 67th | 66 | Daly | Jaguar XJR-9 D | Castrol Jaguar Racing | 1 | | | Accident | 21st | GTP | | |