| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 84 | Bob Earl (USA)
Derek Daly (IRL) Chip Robinson (USA)^ Geoff Brabham (AUS)^ |
Nissan GTP-ZXT (Chapman) 8801 | Don C. Devendorf | 301 | 12h00m41.932 | 1 | GTP | 4 | 1:56.651 |
| 2 | 84 | Derek Daly (IRL)
Chip Robinson (USA) Geoff Brabham (AUS) Bob Earl (USA)* |
Nissan GTP-ZXT (Chapman) | Don C. Devendorf | 301 | 12h02m09.748 | 2 | GTP | 1 | 1:55.767 |
| 3 | 61 | Davy Jones (USA)
Jan Lammers (NL) Andy Wallace (GB) |
Jaguar XJR-12 (Advanced) 388 | Tom Walkinshaw | 301 | 3 | GTP | 12 | 2:00.546 | |
| 4 | 10 | John Hotchkis Sr (USA)
Jim Adams (USA) John Hotchkis Jr (USA) |
Porsche 962 (Fabcar) F01 | John Hotchkis Sr | 292 | 4 | GTP | 14 | 2:04.005 | |
| 5 | 67 | Kevin Cogan (USA)
John Paul Jr (USA) |
Nissan GTP-ZXT (Chapman) | Jim Busby | 286 | 5 | GTP | 6 | 1:57.631 | |
| 6 | 15 | Robby Gordon (USA)
Calvin Fish (USA) Lyn St. James (USA) |
Lincoln-Mercury Cougar XR-7 (Roush) | Jack Roush | 278 | 1 | GTO | 21 | 2:12.488 | |
| 7 | 8 | Charles Morgan (USA)
Thomas Hessert (USA) Linda Lunemann (USA)^ |
Spice-Buick SE89P | Mike Gue | 273 | 1 | GTP Lights | 19 | 2:11.227 | |
| 8 | 11 | Dorsey Schroeder (USA)
Max Jones (USA) Lyn St. James (USA)^ |
Lincoln-Mercury Cougar XR-7 (Roush) | Jack Roush | 270 | 2 | GTO | 20 | 2:12.317 | |
| 9 | 55 | Bob Lesnett (USA)
David Rocha (USA) Bruce Qvale (USA) |
Spice-Pontiac SE87P 86001 | Joe Huffaker Jr | 266 | 2 | GTP Lights | 24 | 2:14.606 | |
| 10 | 95 | David Loring (USA)
Butch Leitzinger (USA) Chuck Kurtz (USA) Bob Leitzinger (USA)^ |
Nissan 240SX (Leitzinger) 89SX-LR001 | Bob Leitzinger | 262 | 1 | GTU | 30 | 2:20.100 | |
| NRF | 0 | "John Winter" (D)
Henri Pescarolo (F) Bob Wollek (F) Jean-Louis Ricci (F)^ |
Porsche 962C (Joest) 011 | Reinhold Joest | 261 | accident | GTP | 9 | 2:00.131 | |
| 12 | 80 | Martino Finotto (I)
Ruggero Melgrati (I) Paolo Guaitamacchi (I) |
Spice-Ferrari SE89P | Bieri/Finotto | 261 | 3 | GTP Lights | 17 | 2:06.591 | |
| 13 | 37 | Al Bacon (USA)
Lance Stewart (USA) John Finger (USA) Roger Mandeville (USA)^ |
Mazda MX-6 (Chassis Dynamics) | Roger Mandeville | 248 | 2 | GTU | 33 | 2:21.341 | |
| NRF | 17 | Raul Boesel (BR)
Hans-Joachim Stuck (D) Rene Herzog (CH) Al Unser Jr (USA)* |
Porsche 962C 141 | Jochen Dauer | 246 | accident | GTP | 15 | 1:58.171 | |
| 15 | 82 | Dick Greer (USA)
Mike Mees (USA) John Hogdal (USA) |
Mazda RX-7 (Chassis Dynamics) | Dick Greer | 240 | 3 | GTU | 36 | 2:26.932 | |
| 16 | 32 | Tomas Lopez Rocha (MEX)
Fermin Velez (E) Richard Piper (GB) |
Spice-Buick SE90P P015 | Spice Engineering USA | 239 | 4 | GTP Lights | 16 | 2:06.462 | |
| 17 | 71 | Peter Uria (USA)
Jim Pace (USA) Bob Dotson (USA) |
Mazda RX-7 (Highball) | Peter Uria | 232 | 4 | GTU | 35 | 2:26.677 | |
| NRF | 33 | Bernard Jourdain (MEX)
Tommy Kendall (USA) Albert Naon Jr (USA) |
Spice-Chevrolet SE90P P013 | Spice Engineering USA | 222 | gearbox | GTP | 8 | 1:59.364 | |
| 19 | 25 | Brent O'Neill (USA)
Jean de la Moussaye (F) Pepe Romero (USA) |
Argo-Buick JM19B 108 | Brian Owens | 221 | 5 | GTP Lights | 29 | 2:19.596 | |
| 20 | 00 | Kal Showket (USA)
Don Knowles (USA) Neil Hanneman (USA) Emory Donaldson (USA)^ Mike Davies (USA)^ |
Dodge Daytona (Showket) FTRU-89-1 | Emory Donaldson | 215 | 5 | GTU | 32 | 2:21.257 | |
| NRF | 57 | Reed Kryder (USA)
Alistair Oag (USA) Frank Del Vecchio (USA) Henry Camferdam Jr (USA)^ |
Nissan 300ZX (Kryderacing) | Reed Kryder | 215 | accident | 6 | GTU | 41 | 2:29.968 |
| 22 | 38 | Kelly Marsh (USA)
Al Bacon (USA) Roger Mandeville (USA)^ John Finger (USA)^ Lance Stewart (USA)^ |
Mazda RX-7 (Chassis Dynamics) | Roger Mandeville | 210 | 7 | GTU | 34 | 2:22.694 | |
| DNF | 1 | Elliott Forbes-Robinson (USA)
Pete Halsmer (USA) John Morton (USA) Jim Downing (USA)^ |
Mazda RX-7 (Fabcar) | Jim Downing | 209 | accident | GTO | 18 | 2:10.246 | |
| NC | 22 | Gary Burnett (USA)
Gary Smith (USA) Albert Ruiz (USA) |
Chevrolet Camaro (Dillon) | Gary Smith | 202 | 4 | GTO | 42 | 2:30.582 | |
| DNF | 98 | Drake Olson (ZA)
Juan Manuel Fangio II (RA) Rocky Moran (USA)^ Willy T. Ribbs (USA)* |
Eagle-Toyota HF89 003 | Dan Gurney | 199 | suspension | GTP | 11 | 2:00.546 | |
| DNF | 40 | Uli Bieri (CDN)
John Graham (CDN) David Tennyson (CDN) |
Tiga-Ferrari GT287 | Uli Bieri | 195 | engine | GTP Lights | 27 | 2:18.133 | |
| NC | 87 | Anthony Puleo (USA)
Kent Painter (USA) Ray Irwin (USA) Jerry Walsh (USA)^ |
Chevrolet Camaro (Bemco) | Anthony Puleo | 195 | 5 | GTO | 44 | 2:34.015 | |
| DNF | 99 | Rocky Moran (USA)
Willy T. Ribbs (USA) Drake Olson (ZA)^ Juan Manuel Fangio II (RA)^ |
Eagle-Toyota HF89 001 | Dan Gurney | 185 | suspension | GTP | 7 | 1:58.755 | |
| NC | 09 | Juan Gutierrez (PR)
Juan Vento (PR) Luis Gordillo (PR) |
Pontiac Fiero (Huffaker) H1287 | Joe Huffaker Jr | 170 | GTU | 40 | 2:29.966 | ||
| NC | 70 | David Russell Jr (USA)
Mick Robinson (USA) William Weston (USA) John Hofstra (USA) |
Mazda RX-7 (Chassis Dynamics) 007-768 | Kenneth Brady | 154 | GTU | 47 | 2:36.158 | ||
| DNF | 2 | Hurley Haywood (USA)
Rene Herzog (CH) Scott Schubot (USA) Hans-Joachim Stuck (D) |
Porsche 962 (Chapman) C06 | Rene Herzog | 151 | engine | GTP | 10 | 2:00.545 | |
| DNF | 9 | Howard Katz (USA)
Ferdinand de Lesseps (F) Jay Cochran (USA) Linda Lunemann (USA)* |
Spice-Buick SE89P | Mike Gue | 150 | electrical | GTP Lights | 26 | 2:15.694 | |
| NC | 04 | Henry Brosnaham (USA)
Steve Burgner (USA) Robert McElheny (USA) Angel Figueras (USA) John Annis (USA)* |
Chevrolet Camaro (Howe) | Henry Brosnaham | 142 | GTO | 49 | 2:37.560 | ||
| DNF | 63 | Jim Downing (USA)
Amos Johnson (USA) John O'Steen (USA) Pete Halsmer (USA)^ |
Mazda RX-7 (Fabcar) | Jim Downing | 137 | gearbox | GTO | 23 | 2:13.770 | |
| DNF | 07 | Mike Davies (USA)
Stuart Hayner (USA) Neil Hanneman (USA)^ Don Knowles (USA)^ |
Dodge Daytona (Showket) FTRU-89-2 | Kal Showket | 103 | engine | GTU | 31 | 2:20.546 | |
| DNF | 29 | E.J.Generotti (USA)
Mark Montgomery (USA) Guy W. Church (USA) Oma Kimbrough (USA)^ |
Chevrolet Camaro (Stock Car Products) | Hoyt Overbagh | 102 | GTO | 50 | 2:35.706 | ||
| DNF | 79 | Ken Knott (USA)
Marty Hinze (USA) Kenper Miller (USA) |
Spice-Pontiac SE88P | Paul Gentilozzi | 98 | engine | GTP Lights | 22 | 2:13.417 | |
| DNF | 12 | Don Arpin (USA)
Rex Ramsey (USA) Mark Montgomery (USA) |
Pontiac Firebird (Frings) | Hoyt Overbagh | 91 | suspension | GTO | 46 | 2:35.740 | |
| DNF | 21 | Craig A. Rubright (USA)
Kermit Upton (USA) |
Chevrolet Camaro (Dillon) | Craig A. Rubright | 86 | accident | GTO | 38 | 2:28.259 | |
| DNF | 86 | Bob Wollek (F)
Dominic Dobson (USA) Sarel van der Merwe (ZA) |
Porsche 962 139 | Bruce Leven | 65 | engine | GTP | 2 | 1:56.350 | |
| DNF | 74 | George Robinson (USA)
Johnny Unser (USA) Paul Dallenbach (USA) |
Ford Mustang (Competition Kar) | Harry McMullen | 61 | gearbox | GTO | 25 | 2:15.560 | |
| DNF | 60 | Price Cobb (USA)
John Nielsen (DK) Andy Wallace (GB)^ |
Jaguar XJR-12 (Advanced) 288 | Tom Walkinshaw | 56 | engine | GTP | 5 | 1:56.814 | |
| DNF | 90 | Louis D'Agostino (USA)
Steve Kelton (USA) Guy W. Church (USA)^ E.J.Generotti (USA)^ Robert Falanga (USA)* Rick Holland (USA)* |
Mazda RX-7 001 | Louis D'Agostino | 49 | engine | GTU | 48 | 2:36.092 | |
| DNF | 50 | Rudi Bartling (CDN)
Werner Frank (USA) Fritz Hochreuter (CDN)^ Rainer Brezinka (CDN)* |
Porsche 911 | Rudi Bartling | 45 | engine | GTU | 43 | 2:32.595 | |
| DNF | 23 | Bill Adam (CDN)
Scott Harrington (USA) David S. Seabrooke (CDN)^ |
Porsche 962C (RLR) DR-1 | David S. Seabrooke | 39 | accident | GTP | 13 | 2:03.647 | |
| DNF | 48 | Michael Graham (USA)
Cameron Worth (USA) Alan Crouch (USA)^ |
BMW 325 | Red Line Racing | 31 | gearbox | GTU | 45 | 2:34.015 | |
| DNF | 01 | George Sutcliffe (USA)
Richard Jones (GB) Michael Dow (USA)^ Michael Sheehan (USA)* |
Spice-Pontiac SE87P | George Sutcliffe | 24 | engine | GTP Lights | 28 | 2:18.492 | |
| DNF | 58 | Bill Bean (USA)
Gary Wonzer (USA)^ Bruce Westcott (USA)^ Don Abreu (USA)* |
Lola-Mazda T616 3 | Gary Wonzer | 14 | accident | GTP Lights | 37 | 2:28.252 | |
| DNF | 26 | Peter Kraft (USA)
Alex Job (USA) Jack Refenning (USA) John Slagle (USA)* |
Porsche 911 | Alex Job | 14 | accident | GTU | 39 | 2:29.588 | |
| DNS | 16 | James Weaver (GB)
Scott Pruett (USA) Rob Dyson (USA)* |
Porsche 962C 148 | Rob Dyson | withdrew | GTP | 3 | 1:56.352 | ||
| DNS | 4 | Linda Lunemann (USA)
Scott Schubot (USA) Jan Tingdal (USA)* |
Spice-Buick SE88P | Schubot/Ludemann | fire | GTP Lights | 2:14.350 | |||
| DNS | 77 | Juan Carlos Negron (PR)
Daniel Urrutia (USA) Luis Sereix (USA) |
Mazda RX-7 (Highball) | Juan Carlos Negron | accident | GTU | 2:32.191 | |||
| DNS | 45 | Jack Boxstrom (USA)
Dale Kreider (USA)* James King (CDN)* Scotty Bell (CDN)* |
Pontiac Firebird (Python) | Jack Boxstrom | accident | GTO | 2:34.543 | |||
| DNS | 20 | Chet Fillip (USA)
Ron Cortez (USA) Bruce MacInnes (USA) |
Consulier-Dodge GTP 20 | Consulier | GTP | no time | ||||
| DNS | 91 | Rick Titus (USA)
Bruce MacInnes (USA) Chet Fillip (USA) |
Consulier-Dodge GTP 19 | Consulier | GTP | no time | ||||
| DNA | 19 | David Tennyson (CDN)
Chris Clarke (USA) Calvin Fish (USA) |
Spice-Ferrari SE88P | Denon America | GTP Lights | |||||
| DNA | 44 | Craig Carter (USA)
Andy Petery (USA) Les Delano (USA) |
Chevrolet Camaro (Frings) | Les Delano | GTO | |||||
| DNA | 53 | Richard McDill (USA)
Bill McDill (USA) James Burt (USA) |
Chevrolet Camaro (Dillon) | Bill McDill | GTO | |||||
| DNA | 79 | Julian Gutierrez (PR)
Juan Vento (PR) Luis Gordillo (PR) |
Pontiac Fiero (Huffaker) | Joe Huffaker Jr | GTU | |||||
| DNA | 06 | Mike Davies (USA) | Dodge Daytona (Showket) | Emory Donaldson | GTU | |||||
| DNA | 64 | Spice-Chevrolet SE89P 003 | Carl Seaberg | GTP Lights |
| Winning Time: 12h00m41.932, 102.993 mph/165.750 kph |
| Fastest Lap: Geoff Brabham #84 (Nissan GTP-ZXT), 1m58.582, 124.774 mph/200.805 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) |