1st | 14 | Robinson / Bell / Unser, Jr. / Holbert | Porsche 962 | Holbert Racing | 753 | 4314.136 kms | 179.601 | | 1st | GTP | | |
2nd | 3 | Larrauri / Brancatelli / Sigala | Porsche 962 | Brun Motorsports | 745 | | | | 2nd | GTP | 1:43.070 | 200.111 |
3rd | 16 | Cobb / Dyson / Schuppan | Porsche 962 | Dyson Racing | 742 | | | | 3rd | GTP | | |
4th | 1 | Foyt / Unser / Sullivan | Porsche 962 | A J Foyt Enterprises | 723 | | | Engine | 4th | GTP | | |
5th | 10 | Hotchkis / Adams / Hotchkis, Jr. | Porsche 962 | Hotchkis Racing | 719 | | | | 5th | GTP | | |
6th | 5 | Weaver / Stuck / Akin | Porsche 962 | Bob Akin Motoracing | 700 | | | | 6th | GTP | | |
7th | 11 | Gloy / Elliot / St. James / Pruett | Ford Mustang | Roush Racing | 685 | | | | 1st | GTO | | |
8th | 98 | Cord / Millen | Toyota Celica Turbo | All American Racers | 681 | | | | 2nd | GTO | | |
9th | 22 | Gregg / Akin / Pruett / Goodyear | Ford Mustang | Roush Racing | 649 | | | | 3rd | GTO | | |
10th | 71 | Johnson / Shaw / Lazier | Mazda RX-7 | Team Highball | 642 | | | | 1st | GTU | | |
11th | 01 | Earl / Bell / Kline | Spice SE86CL Pontiac Fiero GTP | Spice Engineering/AT&T | 630 | | | | 1st | Lights | 1:57.790 | 175.551 |
12th | 42 | Cherry / Higgins / King / Mead | Fabcar CL Porsche | White Allen Porsche | 626 | | | | 2nd | Lights | | |
13th | 82 | Mees / Greer / Finger | Mazda RX-7 | Aspen Inn | 622 | | | | 2nd | GTU | | |
14th | 36 | Grooms / Bagley / Jellinek / Pabst | Badger BB Mazda | Erie Scientific Racing | 621 | | | | 3rd | Lights | | |
15th | 30 | McCall / Bohren / Dallenbach | Chevrolet Camaro III | Skoal Bandit | 616 | | | | 4th | GTO | | |
16th | 19 | Brown / Schubot / Ludemann | Tiga GT285 Mazda | Scott Schubot | 597 | | | | 4th | Lights | | |
17th | 99 | Rudd / Rice / Fangio II | Toyota Celica Turbo | All American Racers | 591 | | | Engine | 5th | GTO | | |
18th | 09 | Uria / Figaro / Hayes-Harlow / Rathbun | Porsche 911 Carrera RSR | 901 Racing | 580 | | | | 3rd | GTU | | |
19th | 38 | Mandeville / Marsh / Smith | Mazda RX-7 | Mandeville Auto Tech | 572 | | | | 6th | GTO | | |
20th | 33 | Jenner / Morici / Baker | Ford Mustang | Roush Racing | 571 | | | | 7th | GTO | | |
21st | 27 | Cowart / Miller / Fowells | Argo JM19 Mazda | MSB Racing | 566 | | | | 5th | Lights | | |
22nd | 66 | Morgan / Gennone / Rothbarth | Royale RP40 Mazda | R M Racing | 554 | | | | 6th | Lights | | |
23rd | 75 | Jones / Kendall / Kendall | Mazda RX-7 | CCR | 522 | | | Engine | 4th | GTU | 2:05.120 | 164.845 |
24th | 21 | Peters / Nehl / Painter | Chevrolet Camaro | Western Chemical | 520 | | | Engine | 8th | GTO | | |
25th | 20 | Juckette / McDill / Laws | Chevrolet Camaro | Hi-Tech Coating | 520 | | | | 9th | GTO | | |
26th | 26 | Bupp / Church / Taylor | Pontiac Firebird | Bob's Speed Products | 510 | | | | 10th | GTO | | |
27th | 68 | DePoyster / Jocelyn / Kurz / Schader | Mazda RX-7 | Schaderacing | 503 | | | | 5th | GTU | | |
28th | 78 | Chambers / Meyer / Burdsall | Mazda RX-7 | Chambers Racing | 498 | | | | 6th | GTU | | |
29th | 29 | Felton / Kimbrough / Overbagh / Perkinson | Chevrolet Camaro III | OMR Engines | 470 | | | | 11th | GTO | | |
30th | 00 | Slater / Senator / Duttinger | Porsche 911 Carrera RSR | S Squared Engineering | 414 | | | | 7th | GTU | | |
31st | 28 | Pickett / Waltrip / Labonte | Chevrolet Camaro | Protofab Racing | 410 | | | Differential | 12th | GTO | 1:53.700 | 181.402 |
32nd | 96 | Hessert / Rinzler / Dibos | Tiga GT286 Mazda | Hessert Racing | 409 | | | Gearbox | 7th | Lights | | |
33rd | 24 | Rubright / Jenkins / Newsome | Chevrolet Corvette | C A R Enterprises | 404 | | | | 13th | GTO | | |
34th | 6 | Dallenbach, Jr. / Jones / Riggins | Chevrolet Camaro | Protofab Racing | 402 | | | Engine | 14th | GTO | | |
35th | 47 | Oakley / Wallace / Mills | Mazda RX-7 | Chaunce Wallace Racing | 386 | | | Engine | 8th | GTU | | |
36th | 51 | Los / Schneider / Andrews | Tiga GC286 Ford | Cosmik-Roy Baker Racing | 354 | | | Gearbox | 7th | GTP | | |
37th | 63 | Downing / O'Steen / Maffucci | Argo JM19 Mazda | Certified Brakes Racing | 352 | | | Engine | 8th | Lights | | |
38th | 32 | Kennedy / Keck / Montgomery / Fuller | Chevrolet Corvette C3 | K & P Racing | 346 | | | | 15th | GTO | | |
39th | 87 | Morrison / Ceppos / Knowles / Hayner | Chevrolet Corvette | Morrison-Cook Motorsport | 337 | | | Engine | 16th | GTO | | |
40th | 7 | Ganz / Hobbs / Moretti | Ford Mustang Probe | Zakspeed USA | 328 | | | Engine | 8th | GTP | | |
41st | 83 | Gaffney / Reisman / Stone / Hebert | Pontiac Firebird | Sasco Motorsports | 316 | | | | 17th | GTO | | |
42nd | 08 | Swifts / Drew / Hall / Romano | Mazda RX-7 | Simms Romano | 298 | | | | 9th | GTU | | |
43rd | 8 | Redman / Kneifel / Forbes-Robinson | Porsche 962 | Primus Motorsport | 283 | | | Engine | 9th | GTP | | |
44th | 90 | Petery / Delano / Carter | Buick Somerset | Road Circuit Tech | 281 | | | Engine | 18th | GTO | | |
45th | 17 | Bacon / Millen / Reed | Mazda RX-7 | Al Bacon Racing | 277 | | | Engine | 10th | GTU | | |
46th | 89 | Durst / Brockman / Belcher / Abel | Spice SE86CL Pontiac Fiero GTP | Ball Brothers Racing | 273 | | | Engine | 9th | Lights | | |
47th | 76 | Baldwin / Wietzes | Chevrolet Camaro | Peerless/Hendrick | 261 | | | Engine | 19th | GTO | | |
48th | 52 | van der Merwe / Bundy | Chevrolet Corvette GTP | Hendrick Motorsports | 255 | | | Turbocharger | 10th | GTP | | |
49th | 80 | Andrey / Pallavicini / Bieri | Alba AR2 Ferrari | Gaston Andrey Racing | 246 | | | Engine | 10th | Lights | | |
50th | 25 | Brassfield / Roe / Bauer / Gaston | March 85G Chevrolet | DeAtley Motorsports | 245 | | | Electrics | 11th | GTP | | |
51st | 31 | Dickens / Jelinski / Robinson / Hobbs | Gebhardt JC853 BMW | Gebhardt Racing USA | 236 | | | Engine | 11th | Lights | | |
52nd | 64 | Johnson / Hassey / Hester | Ford Mustang | Raintree Corporation | 225 | | | Fire | 20th | GTO | | |
53rd | 55 | Northam / Lagasse / Krueger | Chevrolet Corvette | Greg Walker Racing | 223 | | | Engine | 21st | GTO | | |
54th | 44 | Tullius / Haywood / Morton | Jaguar XJR-7 | Group 44 | 216 | | | Engine | 12th | GTP | | |
55th | 92 | Van Every / Bond / Tisdelle | Chevrolet Camaro | Van Every Racing | 202 | | | Accident | 22nd | GTO | | |
56th | 86 | Ludwig / Mass | Porsche 962 | Bayside Disposal Racing | 144 | | | Chassis | 13th | GTP | | |
57th | 77 | Archer / Archer | Chevrolet Camaro | Brooks Racing | 121 | | | Engine | 23rd | GTO | | |
58th | 4 | Pruett / Halsmer / Gloy | Ford Mustang GTP | Roush Racing | 120 | | | Suspension | 14th | GTP | | |
59th | 23 | Petrilak / Duxbury / Jacobson | Argo JM16 Buick | Motion Promotions | 119 | | | Gearbox | 12th | Lights | | |
60th | 9 | Phillips / Katz / Nelson | Tiga GT285 Mazda | Essex Racing | 111 | | | Engine | 13th | Lights | | |
61st | 13 | Lawhorn / Gimondo / Grostic | Oldsmobile Calais | Go Racing | 104 | | | Chassis | 24th | GTO | | |
62nd | 67 | Wollek / Busby / Brassfield | Porsche 962 | Uniroyal Goodrich | 89 | | | Engine | 15th | GTP | | |
63rd | 50 | Canary / Winston / Currin | Chevrolet Corvette | Paul Canary Racing | 88 | | | Engine | 25th | GTO | | |
64th | 54 | Auberlen / Durkheimer / Oest | Porsche 911 | SP Racing | 87 | | | Engine | 11th | GTU | | |
65th | 88 | Heinricy / McConnell / Adam | Chevrolet Corvette | Morrison-Cook Motorsport | 77 | | | Engine | 26th | GTO | | |
66th | 74 | Gentilozzi | Oldsmobile Toronado | Whitehall Rocketsports | 52 | | | Accident | 27th | GTO | | |
67th | 43 | Pumpelly / Overbey | Fabcar CL Porsche | White Allen Porsche | 42 | | | Oil leak | 14th | Lights | | |
68th | 41 | Gralia / Dobkin | Mazda RX-7 | Hugo Gralia | 30 | | | Oil pump | 12th | GTU | | |
69th | 79 | Lewis | Alba AR5 Oldsmobile | Whitehall Rocketsports | 28 | | | Engine | 15th | Lights | | |