| 1st | 60 | Brundle / Boesel / Nielsen | Jaguar XJR-9 D | Castrol/Jaguar Racing | 728 | 4170.9048 kms | 173.7174 | | 1st | GTP |
| 2nd | 67 | Wollek / Baldi / Redman | Porsche 962 | Uniroyal Goodrich | 727 | | | | 2nd | GTP |
| 3rd | 66 | Cheever / Watson / Dumfries | Jaguar XJR-9 D | Castrol/Jaguar Racing | 713 | | | | 3rd | GTP |
| 4th | 86 | Stuck / Ludwig / van der Merwe | Porsche 962 | Bayside Motorsport | 694 | | | | 4th | GTP |
| 5th | 15 | Rothbarth / Jourdain / Jourdain / Stevens | Porsche 962 | Kalagian Racing | 680 | | | | 5th | GTP |
| 6th | 1 | Foyt / Unser, Jr. / Forbes-Robinson | Porsche 962 | Copenhagen-A. J. Foyt Racing | 675 | | | | 6th | GTP |
| 7th | 14 | Holbert / Robinson / Bell | Porsche 962 | Holbert Racing | 660 | | | Engine | 7th | GTP |
| 8th | 09 | Durst / Brockman / Earl / Belcher | Spice SE86CL Pontiac Firebird GTP | Jiffy Lube Firebird | 651 | | | Gearbox | 8th | GTP |
| 9th | 16 | Cobb / Weaver / Dyson / Schuppan | Porsche 962 | Dyson Racing | 638 | | | | 9th | GTP |
| 10th | 11 | Pruett / Miller / Akin / Halsmer | Merkur XR4Ti | Roush Racing | 634 | | | | 1st | GTO |
| 11th | 03 | McCall / Dallenbach / Jones / Baldwin | Chevrolet Camaro | Skoal Bandit Racing | 634 | | | | 2nd | GTO |
| 12th | 9 | Simpson / Hessert / Loring | Tiga GT286 Chevrolet | Essex Racing Service | 617 | | | | 1st | Lights |
| 13th | 63 | Katz / Matsushita / Downing | Argo JM19 Mazda | Downing/Atlanta | 615 | | | | 2nd | Lights |
| 14th | 55 | Visger / Lewis / Woodner | Spice SE86CL Pontiac Fiero GTP | Huffaker Racing | 599 | | | | 3rd | Lights |
| 15th | 71 | Johnson / Shaw / Lazier | Mazda RX-7 | Team Highball | 598 | | | | 1st | GTU |
| 16th | 38 | Mandeville / Marsh / Marsh | Mazda RX-7 | Mandeville Auto Tech | 597 | | | | 3rd | GTO |
| 17th | 04 | Auberlen / Gang / Eisenlohr / Auberlen | Porsche 911 | SP Racing | 586 | | | | 2nd | GTU |
| 18th | 89 | Uria / Refenning / Figaro / Scott | Porsche 911 Carrera RSR | 901 Racing | 577 | | | | 3rd | GTU |
| 19th | 47 | Oakley / Mnich / Mills | Mazda RX-7 | Cumberland Valley Racing | 573 | | | | 4th | GTU |
| 20th | 33 | Petery / Delano / Carter | Lincoln-Mercury Capri | Roush Racing | 568 | | | | 4th | GTO |
| 21st | 01 | Bell / Morgan / Los | Spice SE87L Pontiac Fiero GTP | AT&T Spice Engineering | 566 | | | Fire | 4th | Lights |
| 22nd | 19 | McKay / Jacobson / Brown | Tiga GT286 Mazda | Essex Racing Service | 557 | | | | 5th | Lights |
| 23rd | 42 | Newsum / Cherry / McAdam / Higgins | Fabcar CL Porsche | Lamas Motor Racing | 554 | | | | 6th | Lights |
| 24th | 95 | Leitzinger / Kurtz / Leitzinger | Nissan 300ZX | Leitzinger Racing | 541 | | | | 5th | GTU |
| 25th | 68 | Walker / Smith / Lagasse | Chevrolet Corvette | Greg Walker Racing | 527 | | | | 5th | GTO |
| 26th | 61 | Jones / Sullivan / Lammers | Jaguar XJR-9 D | Castrol/Jaguar Racing | 512 | | | Overheating | 10th | GTP |
| 27th | 80 | Finotto / Silva / Daccò | Alba AR6 Ferrari | Gaston Andrey Racing | 506 | | | | 7th | Lights |
| 28th | 99 | Ribbs / Moran / Fangio II | Toyota Celica Turbo | All-American Racers | 502 | | | Engine | 6th | GTO |
| 29th | 36 | Grooms / Bagley / Fergus / Jellinek | Argo JM16 Mazda | Erie Scientific | 496 | | | Engine | 8th | Lights |
| 30th | 18 | Beasley / Volk / Lewis | Porsche Carrera RSR | Jack Lewis Enterprises | 490 | | | Engine | 7th | GTO |
| 31st | 84 | Wesel / Rubright / Jenkins | Chevrolet Camaro | Car Enterprises | 479 | | | Fire | 8th | GTO |
| 32nd | 5 | Archer / Mead / Adam | Chevrolet Corvette C4 | Polyvoltac/Protofab | 467 | | | Engine | 9th | GTO |
| 33rd | 56 | Durkheimer / Shelton / Torres / Northam | Porsche 911 Carrera | Escort Porsche | 455 | | | | 6th | GTU |
| 34th | 75 | Kendall / Unser / Frank | Mazda RX-7 | CCR | 446 | | | Fire | 7th | GTU |
| 35th | 17 | Bacon / Reed / Hogdal | Mazda RX-7 | Al Bacon Performance | 445 | | | | 8th | GTU |
| 36th | 7 | Jenner / Goodyear / Luyendyk / Gloy / Fish / Schwietz | Ford Mustang Probe | Tom Milner Racing | 418 | | | Engine | 11th | GTP |
| 37th | 98 | Cord / Aase / Millen | Toyota Celica Turbo | All-American Racers | 416 | | | Engine | 10th | GTO |
| 38th | 92 | Zwiren / Montgomery / Puleo | Pontiac Firebird | Puleo Racing | 402 | | | | 11th | GTO |
| 39th | 2 | Pickett / Jones / Riggins | Chevrolet Corvette C4 | Polyvoltac/Protofab | 398 | | | Engine | 12th | GTO |
| 40th | 76 | Morton / Jones / Jones | Mazda RX-7 | CCR | 389 | | | Accident | 9th | GTO |
| 41st | 6 | Miller / Akin / Gentilozzi | Merkur XR4Ti | Roush Racing | 388 | | | Fire | 13th | GTO |
| 42nd | 23 | Petrilak / McDaniel / MacInnes | Argo JM16 Buick | Motion Promotion | 379 | | | Engine | 9th | Lights |
| 43rd | 4 | Miller / Ludemann / Schubot | Spice SE88P Buick | S & L Racing | 369 | | | Engine | 10th | Lights |
| 44th | 22 | Martin / St. James / Gregg / Halsmer | Lincoln-Mercury Capri | Roush Racing | 349 | | | Accident | 14th | GTO |
| 45th | 81 | Bupp / Boxstrom / Painter / Church | Chevrolet Camaro | Sentry Bank Equipment | 345 | | | Engine | 15th | GTO |
| 46th | 72 | Allison / Hynes / Ashmore | Tiga GC286 Ford | Roy Baker | 329 | | | Gearbox | 12th | GTP |
| 47th | 35 | Gonzalez / Winfree / Villa / Schneider | Royale RP40 Porsche | Diman Racing | 302 | | | Suspension | 11th | Lights |
| 48th | 79 | McKitterick / Koll / Winters / Ballot-Léna / Hytten | Spice SE87L Pontiac Fiero GTP | Winters/Whitehall | 297 | | | Engine | 12th | Lights |
| 49th | 51 | Richard / Azcona / Copeman | Porsche 911 | Mardi Gras Racing | 278 | | | | 10th | GTU |
| 50th | 3 | Brancatelli / Larrauri / Sigala | Porsche 962 | Brun Motorsports-Torno | 277 | | | Engine | 13th | GTP |
| 51st | 39 | Hebert / Reisman / Strasser | Pontiac Firebird | HRG Associates | 269 | | | | 16th | GTO |
| 52nd | 82 | Greer / Mees / Finger | Mazda RX-7 | Apenn Inn | 243 | | | Engine | 11th | GTU |
| 53rd | 31 | Phillips / Andretti / Roe | March 86G Buick | Buick Momo March | 213 | | | Engine | 14th | GTP |
| 54th | 06 | Nelson / Brown / Hagen | Tiga GT286 Buick | Brown Racing | 165 | | | Engine | 13th | Lights |
| 55th | 29 | Kimbrough / Overbagh / Gennone / Kicak | Chevrolet Camaro III | Overbagh Motor Racing | 165 | | | Engine | 17th | GTO |
| 56th | 58 | Green / Hamilton / Bean / Wonzer | Lola T616 Mazda | Gary Wonzer | 151 | | | Engine | 14th | Lights |
| 57th | 28 | Church / Urrutia / Generotti / Vitolo | Mazda RX-7 | Florida Fixtures | 150 | | | Engine | 12th | GTU |
| 58th | 27 | Cowart / Fowells / Mummery / Meyer | Argo JM19 Mazda | MSB Racing | 146 | | | Drive shaft | 15th | Lights |
| 59th | 88 | Johnson / Strait / Nicol | Argo JM19B Ferrari | Transact, Inc. | 132 | | | Engine | 16th | Lights |
| 60th | 40 | Pallavicini / Guatamacchi / Bieri / Johnson | Alba AR2 Ferrari | Gaston Andrey Racing | 126 | | | Accident | 17th | Lights |
| 61st | 44 | Tullius / Ganz / Haywood | Jaguar XJR-7 | Group 44 | 122 | | | Overheating | 15th | GTP |
| 62nd | 12 | Allison / Allison / Danielson | Buick Somerset | Bobby Allison Racing | 104 | | | Engine | 18th | GTO |
| 63rd | 10 | Adams / Hotchkis, Jr. / Hotchkis | Porsche 962 | Hotchkis Racing Inc. | 98 | | | Accident | 16th | GTP |
| 64th | 05 | Taylor / Harrower / Flux / Dickens | ADA 03 Ford | A.D.A. Engineering | 88 | | | Electrics | 17th | GTP |
| 65th | 08 | Burgner / Romano / Colom / Green | Mazda RX-7 | Simms-Romano Enterprises | 87 | | | Engine | 13th | GTU |
| 66th | 48 | Monk / King / Lamas | Fabcar CL Porsche | Lamas Motor Racing | 80 | | | Accident | 18th | Lights |
| 67th | 24 | McComb / Briody / Nagel | March 84G Buick Turbo | Briody Racing | 80 | | | | 18th | GTP |
| 68th | 97 | Ballot-Léna / Ricci / Iacobelli | Spice SE88P Pontiac Fiero GTP | Winters/Whitehall | 77 | | | Accident | 19th | Lights |
| 69th | 21 | O'Neill / Wood / Rocha | Alba AR5 Buick | John Wood Racing | 68 | | | Gearbox | 19th | GTP |
| 70th | 53 | Evans / Broomall / Ullom / Hanneman | Dodge Daytona | Team Shelby | 66 | | | Accident | 14th | GTU |
| 71st | 00 | Showket | Dodge Daytona | Full-Time Racing | 62 | | | Spin | 15th | GTU |
| 72nd | 96 | Mahre / Mundas | URD C82 BMW | URD Junior Team | 60 | | | Accident | 20th | GTP |
| 73rd | 20 | McDill / Juckette / McDill | March 84G Pontiac | Data-Gas | 54 | | | Suspension | 21st | GTP |
| 74th | 30 | Roe / Moretti | March 86G Buick | Buick Momo March | 39 | | | Oil system | 22nd | GTP |
| 75th | 94 | Bond | Chevrolet Camaro | Ash Tisdelle | 18 | | | Engine | 19th | GTO |