| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 83 | Chip Robinson (USA)
Geoff Brabham (AUS) Arie Luyendyk (NL) |
Nissan GTP-ZXT (Chapman) 8801 | Don C. Devendorf | 330 | 12h01m48.381 | 1 | GTP | 4 | 1:55.822 |
| 2 | 61 | John Nielsen (DK)
Price Cobb (USA) |
Jaguar XJR-9 (Advanced) 388 | Tom Walkinshaw | 328 | 2 | GTP | 3 | 1:55.997 | |
| 3 | 86 | James Weaver (GB)
Dominic Dobson (USA) Klaus Ludwig (D)* |
Porsche 962 139 | Bruce Leven | 320 | 3 | GTP | 6 | 2:00.046 | |
| 4 | 30 | Gianpiero Moretti (I)
Massimo Sigala (I) Michael Roe (IRL) Derek Bell (GB) |
Porsche 962 (Shapiro) 001GS/BM03 | Moretti/Gebhardt | 317 | 4 | GTP | 10 | 2:03.404 | |
| 5 | 0 | Frank Jelinski (D)
Jean-Louis Ricci (F) Bob Wollek (F) Claude Ballot-Lena (F)* |
Porsche 962C 129 | Joest Racing | 315 | 5 | GTP | 7 | 2:00.474 | |
| 6 | 10 | Jim Adams (USA)
John Hotchkis Sr (USA) John Hotchkis Jr (USA) |
Porsche 962 (Holbert-Fabcar) HR5/F02 | John Hotchkis Sr | 300 | 6 | GTP | 9 | 2:03.067 | |
| 7 | 55 | Bob Lesnett (USA)
Dan Marvin (USA) Scott Leibler (USA)* |
Spice-Pontiac Firebird GTP L | Joe Huffaker Jr | 292 | 1 | GTP Lights | 19 | 2:14.645 | |
| 8 | 11 | Wally Dallenbach Jr (USA)
Dorsey Schroeder (USA) |
Lincoln-Mercury Cougar XR-7 (Roush) | Jack Roush | 292 | 1 | GTO | 17 | 2:13.190 | |
| 9 | 9 | Charles Morgan (USA)
Thomas Hessert (USA) |
Spice-Buick SE88P | Mike Gue | 290 | 2 | GTP Lights | 18 | 2:14.089 | |
| 10 | 16 | Pete Halsmer (USA)
Bob Earl (USA) |
Lincoln-Mercury Cougar XR-7 (Roush) | Jack Roush | 289 | 2 | GTO | 15 | 2:11.784 | |
| 11 | 33 | Costas Los (GR)
Jeff Kline (USA) Dieter Quester (A)^ |
Spice-Pontiac Firebird GTP 88.8002 | Spice Engineering USA | 285 | 7 | GTP | 8 | 2:02.061 | |
| 12 | 38 | Roger Mandeville (USA)
Kelly Marsh (USA) Gary Drummond (USA)^ |
Mazda RX-7 (Chassis Dynamics) | Roger Mandeville | 284 | 3 | GTO | 25 | 2:17.683 | |
| 13 | 90 | Les Delano (USA)
Andy Petery (USA) Craig Carter (USA) |
Lincoln-Mercury Capri (Roush) | Road Circuit Technology | 262 | 4 | GTO | 26 | 2:18.612 | |
| 14 | 60 | Davy Jones (USA)
Jan Lammers (NL) |
Jaguar XJR-9 (Advanced) 288 | Tom Walkinshaw | 281 | 8 | GTP | 4 | 1:58.824 | |
| 15 | 74 | George Robinson (USA)
Bart Kendall (USA) Johnny Unser (USA) |
Pontiac Fiero (Huffaker) | Joe Huffaker Jr | 278 | 1 | GTU | 38 | 2:25.741 | |
| 16 | 82 | Dick Greer (USA)
Mike Mees (USA) John Finger (USA) |
Mazda RX-7 (Chassis Dynamics) | Dick Greer | 273 | 2 | GTU | 46 | 2:30.932 | |
| 17 | 71 | Amos Johnson (USA)
Dennis Shaw (USA) Paul Lewis (USA) Dan Robson (USA)^ |
Mazda RX-7 (Highball) | Amos Johnson | 272 | 3 | GTU | 36 | 2:25.076 | |
| 18 | 19 | Reggie Smith Jr (USA)
Michael Dow (USA) Monte Shalett (USA) |
Tiga-Buick GT286 | Mike Gue | 270 | 3 | GTP Lights | 30 | 2:22.320 | |
| 19 | 89 | Peter Uria (USA)
Jack Refenning (USA) Freddy Baker (USA) |
Porsche 911 Carrera RSR | Peter Uria | 268 | 4 | GTU | 42 | 2:28.191 | |
| NRF | 09 | Steve Durst (USA)
Michael Brockman (USA) Jay Cochran (USA) Tony Belcher (USA)* |
Spice-Buick SE88P | Durst/Brockman | 263 | mechanical | 9 | GTP | 12 | 2:06.716 |
| 21 | 43 | Charles Monk (CDN)
Lorenzo Lamas (USA) John Higgins (USA) Chip Mead (USA) |
Fabcar-Porsche | John Higgins | 254 | 4 | GTP Lights | 27 | 2:20.038 | |
| 22 | 72 | Jay Kjoller (USA)
Patrick Mooney (USA) Steve Volk (USA) |
Porsche 911 | Jay Kjoller | 248 | 5 | GTU | 48 | 2:34.801 | |
| 23 | 03 | Max Jones (USA)
Buz McCall (USA) |
Chevrolet Camaro (Peerless) | Buz McCall | 246 | 5 | GTO | 23 | 2:16.697 | |
| 24 | 63 | Jim Downing (USA)
John O'Steen (USA) Howard Katz (USA) |
Argo-Mazda JM19 | Jim Downing | 246 | 5 | GTP Lights | 21 | 2:16.438 | |
| 25 | 4 | Scott Schubot (USA)
Tom Blackaller (USA) Linda Ludemann (USA) |
Spice-Buick SE88P | Schubot/Lunemann | 245 | 6 | GTP Lights | 13 | 2:10.181 | |
| 26 | 57 | Reed Kryder (USA)
John Gimbel (USA) Frank Del Vecchio (USA) |
Nissan 300ZX (Kryderacing) | Reed Kryder | 245 | 6 | GTU | 47 | 2:31.534 | |
| 27 | 18 | Ken Bupp (USA)
Robert Peters (CDN) |
Chevrolet Camaro (Frings) | Ken Bupp | 244 | 6 | GTO | 31 | 2:22.632 | |
| 28 | 87 | Lance Stewart (USA)
Ron Cortez (USA) Jeff Alkazian (USA)^ |
Mazda RX-7 | John Overton | 243 | 7 | GTU | 34 | 2:24.674 | |
| NC | 95 | Bob Leitzinger (USA)
Butch Leitzinger (USA) Chuck Kurtz (USA) |
Nissan 240RS (Leitzinger) | Bob Leitzinger | 228 | 8 | GTU | 39 | 2:25.917 | |
| NC | 62 | Alex Job (USA)
Peter Kraft (USA) Rusty Bond (USA) |
Porsche 911 | Alex Job | 225 | 9 | GTU | 51 | 2:36.400 | |
| NC | 12 | Tomas Lopez Rocha (MEX)
Al Rocca (USA) Carlos Bobeda (MEX) |
Tiga-Mazda GT287 | Carlos Bobeda | 225 | 7 | GTP Lights | 29 | 2:21.924 | |
| NC | 17 | Al Bacon (USA)
Bob Reed (USA) |
Mazda RX-7 (Chassis Dynamics) | Al Bacon | 216 | 10 | GTU | 41 | 2:27.457 | |
| DNF | 75 | John Morton (USA)
Steve Millen (NZ) |
Nissan 300ZX (T-Mag) | Clayton Cunningham | 215 | engine | GTO | 16 | 2:12.182 | |
| DNF | 40 | Martino Finotto (I)
Paolo Guaiamacchi (I) Uli Bieri (CDN) Nicolas Leutwiler (CH)* |
Tiga-Ferrari GT286 | Uli Bieri | 193 | suspension | GTP Lights | 22 | 2:16.470 | |
| NC | 47 | Ferdinand de Lesseps (F)
Luis Sereix (USA) Chaunce Wallace (USA) Herve Regout (F) |
Chevrolet Camaro (Riggins) | Chaunce Wallace | 189 | GTO | 40 | 2:27.105 | ||
| DNF | 48 | Michael Graham (USA)
David Russell Jr (USA) Alan Crouch (USA) |
BMW 325 | Red Line Racing | 187 | mechanical | GTU | 52 | 2:37.173 | |
| DNF | 67 | Bob Wollek (F)
Derek Bell (GB) John Andretti (USA) |
Porsche 962 (Chapman) C02 | Jim Busby | 184 | suspension | GTP | 5 | 1:58.945 | |
| DNF | 44 | Tim Morgan (USA)
Marcus Opie (USA) Peter Morgan (USA) Charles Bair Jr (USA) |
Chevrolet Corvette (Bair) | Thomas Sapp | 171 | electrics | GTO | 43 | 2:28.477 | |
| DNF | 98 | Chris Cord (USA)
Steve Bren (USA) Drake Olson (ZA) |
Toyota 88C (Dome) | Dan Gurney | 149 | engine | GTP | 11 | 2:03.550 | |
| DNF | 53 | Richard McDill (USA)
Bill McDill (USA) |
Chevrolet Camaro (Dillon) | Bill McDill | 146 | gearbox | GTO | 44 | 2:30.182 | |
| DNF | 22 | Guy W. Church (USA)
E.J. Generotti (USA) Louis D'Agostino (USA) |
Mazda RX-7 | Guy W. Church | 141 | engine | GTU | 50 | 2:35.885 | |
| DNF | 25 | Brent O'Niell (USA)
Steve Shelton (USA) Don Courtney (USA)^ George Wilkie (USA)^ |
Argo-Buick JM19 | Brent O'Neill | 137 | electrics | GTP Lights | 24 | 2:17.609 | |
| DNF | 2 | John Jones (CDN)
Hunter Jones (CDN) Richard Andison (CDN) |
Chevrolet Corvette | Powell Equipment | 116 | gearbox | GTO | 20 | 2:15.044 | |
| DNF | 50 | Rudi Bartling (CDN)
Rainer Brezinka (CDN) Fritz Hochreuter (CDN) |
Porsche 911 | Fritz Hochreuter | 115 | electrics | GTU | 45 | 2:30.220 | |
| DNF | 68 | Luis Mendez (DR)
Armando Gonzalez (PR) Tato Ferrer (PR) |
Porsche 911 Carrera | Luis Mendez | 101 | gearbox | GTU | 32 | 2:24.141 | |
| DNF | 45 | Charles Slater (USA)
Kenneth Brady (USA) Norm Dupont (USA) |
Porsche 911 | Charles Slater | 93 | engine | GTU | 53 | 2:37.861 | |
| DNF | 05 | Kenny Hendrick (USA)
Dan Gallant (USA)^ |
Oldsmobile Toronado | Art Hendrick | 90 | electrics | GTO | 28 | 2:21.634 | |
| DNF | 7 | Juan Carlos Negron (PR)
Chiqui Soldevila (PR) Luis Gordillo (PR) |
Mazda RX-7 (Highball) | Juan Carlos Negron | 72 | electrics | GTU | 49 | 2:35.613 | |
| DNF | 42 | Del Russo Taylor (USA)
Mark Montgomery (USA) |
Pontiac Firebird (Python) | Bob Lee | 58 | accident | GTO | 37 | 2:25.216 | |
| DNF | 46 | Daniel Urrutia (USA)
Gene Whipp (USA)^ Gary Smith (USA)^ |
Chevrolet Camaro (Southern Racing) | Eugene M. Whipp | 20 | overheating | GTO | 33 | 2:24.146 | |
| DNF | 58 | Bill Bean (USA)
Nort Northam (USA)^ Gary Wonzer (USA)^ Bruce Westcott (USA)^ Michael Dow (USA)^ |
Lola-Mazda T616 | Gary WOnzer | 19 | fire | GTP Lights | 35 | 2:25.044 | |
| DNF | 84 | Arie Luyendyk (NL)
Chip Robinson (USA)^ Geoff Brabham (AUS)^ |
Nissan GTP-ZXT (Chapman) 8803 | Don C. Devendorf | 14 | wheel | GTP | 2 | 1:55.997 | |
| DNF | 39 | John Gunn (USA)
Chip Mead (USA)^ Gary Belcher (USA)^ |
Phoenix-Chevrolet JG1 | Phoenix | 10 | engine | GTP | 14 | 2:10.662 | |
| DNS | 99 | Willy T. Ribbs (USA)
Juan Manuel Fangio II (RA) Rocky Moran (USA)* |
Eagle-Toyota HF89 | Dan Gurney | suspension | GTP | 2:02.844 | |||
| DNS | 00 | Kal Showket (USA)
Neil Hanneman (USA) |
Dodge Daytona (Showket) | Kal Showket | accident | GTU | 2:28.182 | |||
| DNS | 4T | Scott Schubot (USA)
Linda Lunemann (USA) |
Spice-Buick SE88P | Schubot/Lunemann | GTP Lights | no time | ||||
| DNS | 23 | Raul Gacria (USA) | Pontiac Firebird (Oftedahl) | Raul Garcia | GTO | no time | ||||
| DNS | 30T | Gianpiero Moretti (I)
Massimo Sigala (I) |
Porsche 962C | Moretti/Gebhardt | GTP | no time | ||||
| DNS | 45T | Bob Lesnett (USA)
Charles Slater (USA) Kenneth Brady (USA) Norm Dupont (USA) |
Porsche 911 | Charles Slater | GTU | no time | ||||
| DNS | 47T | Ferdinand de Lesseps (F)
Luis Sereix (USA) Chaunce Wallace (USA) Herve Regout (F) |
Chevrolet Camaro (Riggins) | Chaunce Wallace | GTO | no time | ||||
| DNA | 31 | Anthony Puleo (USA)
Richard J. Valentine (USA) Phil Currin (USA) |
Chevrolet Camaro (Bemco) | Anthony Puleo | GTO | |||||
| DNA | 46 | Adriano Abreu (DR) | Nissan 280Z | Adriano Abreu | GTU | |||||
| DNA | 70 | Tom Blackaller (USA)
Jim Downing (USA) |
Argo-Mazda JM19 | Jim Downing | GTP Lights | |||||
| DNA | 76 | Jack Baldwin (USA)
Tom Pumpelly (USA) |
Chevrolet Corvette GTP-T710 (Lola) HU-8710/01 | Rick Hendrick | GTP | |||||
| DNA | 01 | Michael Dow (USA)
George Wilkie (USA) Andrew Gilbert-Scott (GB) |
Spice-Pontiac Firebird GTP L | Racecraft International | GTP Lights | |||||
| DNA | 07 | Joe Varde (USA)
Tommy Riggins (USA) |
Dodge Daytona (Varde) | Joe Varde | GTU | |||||
| DNA | Tommy Johnson (USA)
Buzzy Smith (USA) |
Tiga-Mazda GT285 | Tommy Johnson | GTP Lights | ||||||
| DNA | 79 | Spice-Pontiac Firebird GTP L | Roy Roach | GTP Lights |
| Winning Time: 12h01m48.381, 112.742 mph/181.441 kph |
| Fastest Lap: Arie Luyendyk #84 (Nissan GTP-ZXT), 1m59.776, 123.531 mph/198.803 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) |