| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 83 | Geoff Brabham (AUS)
Derek Daly (IRL) Gary Brabham (AUS) Chip Robinson (USA)^ Bob Earl (USA)^ |
Nissan NPT-90 9003 | Don C. Devendorf | 298 | 12h02m01.391 | 1 | GTP | 1 | 1:49.761 |
| 2 | 84 | Chip Robinson (USA)
Bob Earl (USA) Julian Bailey (GB) Geoff Brabham (AUS)^ Derek Daly (IRL)* |
Nissan NPT-90 | Don C. Devendorf | 297 | 2 | GTP | 3 | 1:50.682 | |
| 3 | 6 | Bob Wollek (F)
Bernd Schneider (D) Massimo Sigala (I) |
Porsche 962C (Joest) 145 | Reinhold Joest | 296 | 3 | GTP | 2 | 1:50.275 | |
| 4 | 7 | Frank Jelinski (D)
Henri Pescarolo (F) "John Winter" (D) |
Porsche 962C (Joest) 129 | Reinhold Joest | 295 | 4 | GTP | 6 | 1:52.436 | |
| 5 | 3 | Davy Jones (USA)
Raul Boesel (BR) John Nielsen (DK) Kenneth Acheson (GB)^ |
Jaguar XJR-12 (Advanced) 190 | Tom Walkinshaw | 284 | 5 | GTP | 5 | 1:53.505 | |
| 6 | 4 | Brian Bonner (USA)
Scott Sharp (USA) Jeff Kline (USA) |
Spice-Chevrolet SE89P 001 | Tom Milner | 283 | 6 | GTP | 7 | 1:54.882 | |
| 7 | 8 | Charles Morgan (USA)
Jim Pace (USA) |
Kudzu-Buick DG-1 002 | Mike Gue | 280 | 1 | GTP Lights | 21 | 2:04.946 | |
| 8 | 15 | Max Jones (USA)
Robby Gordon (USA) Dorsey Schroeder (USA)^ |
Ford Mustang (Roush) | Jack Roush | 279 | 1 | GTO | 26 | 2:06.894 | |
| 9 | 10 | Chris Cord (USA)
Jim Adams (USA) John Hotchkis Sr (USA) |
Spice-Pontiac SE90P 008 | John Hotchkis Sr | 278 | 7 | GTP | 11 | 1:57.331 | |
| 10 | 30 | Gianpiero Moretti (I)
Hellmut Mundas (D) Stanley Dickens (S) Almo Coppelli (I)* |
Porsche 962 (Shapiro) 001GS | Moretti/Gebhardt | 277 | 8 | GTP | 9 | 1:56.500 | |
| 11 | 75 | Jeremy Dale (CDN)
Steve Millen (NZ) Johnny O'Connell (USA) |
Nissan 300ZX (Cunningham) 004 | Clayton Cunningham | 277 | 2 | GTO | 17 | 2:03.525 | |
| 12 | 63 | John O'Steen (USA)
Price Cobb (USA) Brian Redman (GB)* |
Mazda RX-7 (Fabcar) | Mazda USA | 275 | 3 | GTO | 20 | 2:04.853 | |
| 13 | 12 | Dorsey Schroeder (USA)
John Fergus (USA) Robby Gordon (USA)^ |
Ford Mustang (Roush) | Jack Roush | 271 | 4 | GTO | 22 | 2:05.496 | |
| 14 | 62 | Calvin Fish (USA)
Pete Halsmer (USA) John Morton (USA) |
Mazda RX-7 (Fabcar) | Jim Downing | 270 | 5 | GTO | 23 | 2:05.833 | |
| 15 | 33 | Almo Coppelli (I)
Jay Hill (USA) |
Spice-Buick SE90P 90P015 | Spice Engineering USA | 265 | 2 | GTP Lights | 19 | 2:04.390 | |
| 16 | 92 | Andy Pilgrim (GB)
R.K.Smith (USA) Tommy Morrison (USA)^ |
Chevrolet Corvette 008 | Tommy Morrison | 260 | 6 | GTO | 37 | 2:17.020 | |
| 17 | 95 | Bob Leitzinger (USA)
David Loring (USA) Butch Leitzinger (USA)^ Chuck Kurtz (USA)^ |
Nissan 240SX (Leitzinger) LR001 | Bob Leitzinger | 257 | 1 | GTU | 31 | 2:15.061 | |
| NRF | 99 | Juan Manuel Fangio II (RA)
Willy T. Ribbs (USA) |
Eagle-Toyota HF90 004 | Dan Gurney | 256 | engine | GTP | 4 | 1:52.604 | |
| 19 | 90 | Jim Stevens (USA)
James Jaeger (USA) Don Walker (USA) |
Ford Mustang (Roush) | Jack Roush | 250 | 7 | GTO | 30 | 2:13.580 | |
| 20 | 26 | Alex Job (USA)
Peter Kraft (USA) Jack Refenning (USA) Reggie Smith Jr (USA)^ |
Porsche 911 (Fabcar) AJR911GTU1 | Alex Job | 247 | 2 | GTU | 41 | 2:23.078 | |
| 21 | 18 | Andy Evans (USA)
George Robinson (USA) Carlos Bodeda (MEX) |
Spice-Buick SE89P 2 | Carlos Bobeda | 236 | 3 | GTP Lights | 27 | 2:07.461 | |
| 22 | 69 | Brad Hoyt (USA)
Leighton Reese (USA) |
Mazda RX-7 | Brad Hoyt | 234 | 3 | GTU | 43 | 2:27.042 | |
| 23 | 82 | Dick Greer (USA)
Al Bacon (USA) Peter Uria (USA) Mike Mees (USA)^ |
Mazda RX-7 (Chassis Dynamics) | Dick Greer | 232 | 4 | GTU | 39 | 2:20.894 | |
| 24 | 54 | Michael Dow (USA)
David Tennyson (CDN) Ken Knott (USA) Michael Sheehan (USA)* Jeff Davis (USA)* |
Spice-Buick SE89P 88-02 | Hugh D. Fuller | 227 | 4 | GTP Lights | 24 | 2:06.046 | |
| NRF | 24 | James Weaver (GB)
John Paul Jr (USA) Morris Shirazi (USA)^ |
Porsche 962C (RLR) DR-1 | John Shapiro | 218 | suspension | 10 | GTP | 12 | 1:57.539 |
| NC | 57 | Reed Kryder (USA)
Frank Del Vecchio (USA) Joe Danaher (USA) |
Nissan 240SX (Kryderacing) 1 | Reed Kryder | 207 | 5 | GTU | 40 | 2:23.061 | |
| DNF | 48 | Parker Johnstone (USA)
Doug Peterson (USA) Steve Cameron (NZ)* |
Spice-Acura SE90P 004 | Don Erb | 204 | GTP Lights | 16 | 2:00.108 | ||
| NC | 04 | Henry Brosnaham (USA)
Steve W. Roberts (USA) Bobby Scolo (USA) Paul Mazzacane (USA) Richard Andison (CDN) |
Chevrolet Camaro (Howe) | Henry Brosnaham | 166 | GTO | 42 | 2:25.594 | ||
| DNF | 5 | Tim McAdam (USA)
Jeff Purner (USA) Fred Phillips (USA) Michael Brockman (USA)* Paul Newman (USA)* |
Spice-Chevrolet SE89P 002 | Tom Milner | 165 | driveshaft | GTP | 10 | 1:57.087 | |
| DNF | 80 | Ruggero Melgrati (I)
Martino Finotto (I) Fermin Velez (E) |
Spice-Ferrari SE89P | Uli Bieri | 147 | accident | GTP Lights | 14 | 1:59.769 | |
| DNF | 37 | Rob Wilson (NZ)
Felipe Solano (CO) Francisco Lopez (CO) Honorato Espinsosa (CO) |
Mazda MX-6 (Chassis Dynamics) | Luis Botero | 140 | accident | GTU | 35 | 2:16.607 | |
| DNF | 40 | Uli Bieri (CDN)
John Graham (CDN) |
Alba-Ferrari AR2 | Uli Bieri | 138 | accident | GTP Lights | 28 | 2:10.590 | |
| DNF | 91 | Stuart Hayner (USA)
Scott Lagasse (USA) Don Knowles (USA) John Heinricy (USA)* |
Chevrolet Corvette 007 | Tommy Morrison | 134 | ignition | GTO | 33 | 2:16.326 | |
| DNF | 9 | Thomas Hessert (USA)
Costas Los (GR) |
Kudzu-Buick DG-1 003 | Mike Gue | 128 | engine | GTP Lights | 25 | 2:06.288 | |
| DNF | 94 | E.J.Generotti (USA)
Paul Tavilla (USA) Guy W. Church (USA) |
Mazda RX-7 | Guy W. Church | 113 | accident | GTU | 46 | 2:40.195 | |
| DNF | 53 | Richard McDill (USA)
Bill McDill (USA) |
Chevrolet Camaro (Dillon) 0001 | Bill McDill | 112 | engine | GTO | 34 | 2:16.379 | |
| DNF | 72 | Jay Kjoller (USA)
Patrick Mooney (USA) Steve Volk (USA) |
Porsche 911 | Jay Kjoller | 108 | engine | GTU | 45 | 2:29.248 | |
| DNF | 41 | David Russell Jr (USA)
Michael Graham (USA) Cameron Worth (USA) |
BMW 325 | Red Line Racing | 103 | GTU | 44 | 2:27.434 | ||
| DNF | 98 | Rocky Moran (USA)
Andy Wallace (GB) |
Eagle-Toyota HF90 MkII-005 | Dan Gurney | 82 | engine | GTP | 8 | 1:56.311 | |
| DNF | 09 | Tommy Johnson (USA)
Rob Robertson (USA) John Sheldon (GB) |
Tiga-Buick GC287 352 | Robertson/Johnson | 82 | gearbox | GTP Lights | 29 | 2:11.642 | |
| DNF | 87 | Anthony Puleo (USA)
John Annis (USA) Tom Panaggio (USA) Tom Walsh (USA) |
Chevrolet Camaro (Bemco) | Anthony Puleo | 75 | accident | GTP | 32 | 2:15.151 | |
| DNF | 21 | Hurley Haywood (USA)
Rene Herzog (CH) Wayne Taylor (ZA)^ Daniel Mueller (CH)^ |
Porsche 962 (Chapman) C06 | Rene Herzog | 70 | accident | GTP | 15 | 1:59.993 | |
| DNF | 96 | Butch Leitzinger (USA)
Chuck Kurtz (USA) Bob Leitzinger (USA)^ David Loring (USA)^ |
Nissan 240SX (Leitzinger) LR002 | Bob Leitzinger | 52 | engine | GTU | 38 | 2:17.856 | |
| DNF | 76 | Johnny O'Connell (USA)
Jeremy Dale (CDN)^ Steve Millen (NZ)^ |
Nissan 300ZX (T-Mag) 002 | Clayton Cunningham | 33 | withdrew | GTO | 18 | 2:04.339 | |
| DNF | 05 | Craig Carter (USA)
Les Delano (USA)^ Andy Petery (USA)^ |
Fabcar-Chevrolet 001 | Tom Milner | 23 | gearbox | GTP | 13 | 1:59.533 | |
| DNF | 52 | Robert Peters (CDN)
Ken Bupp (USA)^ |
Chevrolet Camaro (Frings) | Ken Bupp | 3 | engine | GTO | 36 | 2:16.778 | |
| DNQ | 17 | Don Beckett (USA)
Scott Lieb (USA) Robert McElheny (USA) Timothy F.M. Lee (USA)* |
Chevrolet Corvette (Speedway) | Don Beckett | GTO | 2:34.856 | ||||
| DNQ | 06 | Oma Kimbrough (USA)
Mark Montgomery (USA) Hoyt Overbagh (USA) Kent Painter (USA)* |
Chevrolet Camaro (Stock Car Products) 05 | Hoyt Overbagh | GTO | 2:46.950 | ||||
| DNS | 1 | Geoff Brabham (AUS)
Chip Robinson (USA) Derek Daly (IRL) Bob Earl (USA) |
Nissan NPT-90 | Don C. Devendorf | GTP | 1:51.662 | ||||
| DNS | 2 | Davy Jones (USA)
Kenneth Acheson (GB) Raul Boesel (BR) Eddie Lawson (USA) |
Jaguar XJR-12 (Advanced) 290 | Tom Walkinshaw | GTP | 1:54.327 | ||||
| DNS | 77T | Jeremy Dale (CDN)
Steve Millen (NZ) Johnny O'Connell (USA) |
Nisan 300ZX (T-Mag) 001 | Clayton Cunningham | GTO | 2:07.693 | ||||
| DNP | 70 | Boris Said (USA)
Roger Schramm (USA) Mike Nolan (USA) |
Oldsmobile Cutlass (Frings) | Mike Nolan | GTU | |||||
| DNA | 16 | Rob Dyson (USA)
James Weaver (GB) John Paul Jr (USA) |
Porsche 962C 148 | Rob Dyson | GTP | |||||
| DNA | 32 | David Tennyson (CDN) | Spice-Buick | David Tennyson | GTP Lights |
| Winning Time: 12h02m01.391, 91.626 mph/147.457 kph |
| Fastest Lap: Bob Wollek #6 (Porsche 962C), 1m51.120, 119.870 mph/192.912 kph |
| * Driver entered for car, but never drove it at meeting |
| ^ Driver practiced car, but did not race it |
| RES - Reserve (Practiced, on standy-by for start) |
| REE - Reserve Entry |
| DNA - Did Not Arrive |
| DNS - Did Not Start |
| DNF - Did Not Finish |
| DNP - Did Not Practice |
| NC - Not Classified |
| DSQ - Disqualified |
| NRF - Not Running At Finish |
| NAC - Not Accepted |
| REJ - Rejected (Did not pass scrutineering) |