| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 99 | Juan Manuel Fangio II (RA)
Andy Wallace (GB) |
Eagle-Toyota Mk III 004 | Dan Gurney | 360 | 12h01m47.692 | 1 | GTP | 5 | 1:48.004 |
| NRF | 83 | Geoff Brabham (AUS)
Derek Daly (IRL) Gary Brabham (AUS) Arie Luyendyk (NL) |
Nissan NPT-91A | Don C. Devendorf | 355 | wheel | GTP | 2 | 2:01.472 | |
| 3 | 30 | Oscar Larrauri (RA)
Massimo Sigala (I) Gianpiero Moretti (I) |
Porsche 962C (Joest) 145 | Reinhold Joest | 345 | 2 | GTP | 7 | 1:50.335 | |
| 4 | 2 | Davy Jones (USA)
David Brabham (AUS) |
Jaguar XJR-12D (Advanced) 891 | Tom Walkinshaw | 338 | 3 | GTP | 10 | 1:52.950 | |
| 5 | 36 | Howard Katz (USA)
Tim McAdam (USA) Jim Downing (USA) |
Kudzu-Mazda DG-1 001 | Jim Downing | 314 | 1 | GTP Lights | 20 | 2:07.182 | |
| 6 | 45 | Charles Morgan (USA)
Tommy Riggins (USA) Andy Evans (USA)^ |
Kudzu-Buick DG-1 003 | Andy Evans | 308 | 2 | GTP Lights | 15 | 2:00.816 | |
| 7 | 51 | George Robinson (USA)
Darin Brassfield (USA) Irv Hoerr (USA) Paul Gentilozzi (USA) Jack Baldwin (USA)* |
Oldsmobile Cutlass (Rocketsports) | Paul Gentilozzi | 302 | 1 | GTS | 19 | 2:04.455 | |
| 8 | 96 | John Paul Jr (USA)
David Loring (USA) Chuck Kurtz (USA)^ Bob Leitzinger (USA)^ Butch Leitzinger (USA)^ Dan Robson (USA)* |
Nissan 240SX (Leitzinger) 90SX-1R002 | Bob Leitzinger | 301 | 1 | GTU | 22 | 2:12.853 | |
| 9 | 95 | Butch Leitzinger (USA)
Chuck Kurtz (USA) Bob Leitzinger (USA) John Paul Jr (USA)^ David Loring (USA)^ Carson Baird (USA)* |
Nissan 240SX (Leitzinger) 90SX-1R001 | Bob Leitzinger | 297 | 2 | GTU | 24 | 2:13.964 | |
| 10 | 98 | P.J.Jones (USA)
Rocky Moran (USA) |
Eagle-Toyota Mk III 003 | Dan Gurney | 294 | 4 | GTP | 6 | 1:49.449 | |
| 11 | 76 | John Morton (USA)
Jeremy Dale (CDN) Steve Millen (NZ) |
Nissan 300ZX (T-Mag) 002 | Clayton Cunningham | 285 | 2 | GTS | 18 | 2:03.906 | |
| 12 | 82 | Dick Greer (USA)
Al Bacon (USA) Peter Uria (USA) Mike Mees (USA) |
Mazda RX-7 (Chassis Dynamics) | Anna Greer | 278 | 3 | GTU | 28 | 2:16.622 | |
| 13 | 73 | Jack Lewis (USA)
Bill Ferran (USA) Joe Cogbill Jr (USA) |
Porsche 911 Carrera RSR JLE 001 | Jack Lewis | 276 | 4 | GTU | 37 | 2:22.753 | |
| 14 | 58 | Bill Sargis (USA)
Sam Shalala (USA) Andre Toennis (USA) Dan Pastorini (USA) Mark Kent (USA)* |
Porsche 911 | Maria Shalala | 266 | 5 | GTU | 41 | 2:24.904 | |
| 15 | 22 | Luis Sereix (USA)
Daniel Urrutia (USA) Jorge Polanco (RA) John Josey (USA) Jim Wakefield (USA)* |
Chevrolet Camaro (Southern Racing) | John Josey | 259 | 3 | GTS | 25 | 2:14.284 | |
| 16 | 35 | Richard McDill (USA)
Bill McDill (USA) Tom Juckette (USA) Wallis Owens (USA)^ |
Chevrolet Camaro (Dillon) 0001 | Bill McDill | 252 | 4 | GTS | 32 | 2:19.137 | |
| DNF | 48 | Ruggero Melgrati (I)
Costas Los (GR) Parker Johnstone (USA) Doug Peterson (USA)* |
Spice-Acura SE88P 004 | Don Erb | 250 | engine | GTP Lights | 13 | 1:59.698 | |
| NC | 0 | John Fergus (USA)
Don Walker (USA) Neil Hanneman (USA) Emory Donaldson (USA)^ Bobby Akin Jr (USA)* |
Dodge Daytona (Showket) | Kal Showket | 249 | 6 | GTU | 26 | 2:14.713 | |
| DNF | 23 | Gary Smith (USA)
Gene Whipp (USA)^ Albert Ruiz (USA)^ |
Pontiac Grand Prix (Dillon) 118511 | Gary Smith | 248 | mechanical | GTS | 30 | 2:18.054 | |
| NC | 6 | Mel A. Butt (USA)
Tommy Johnson (USA) Ron Zitza (USA) Rob Robertson (USA) |
Tiga-Buick GT287 | Mel A. Butt | 245 | 6 | GTP Lights | 48 | 2:17.633 | |
| DNF | 26 | Joe Pezza (USA)
Jack Refenning (USA) Butch Hamlet (USA) |
Porsche 911 (Fabcar) AJR911GT1 | Alex Job | 240 | engine | GTU | 39 | 2:23.401 | |
| NC | 21 | Kent Painter (USA)
Robert Borders (USA) Ed Delong (CDN) |
Chevrolet Camaro (Watson) | Jim Downing | 238 | 6 | GTS | 38 | 2:23.041 | |
| NC | 29 | Oma Kimbrough (USA)
Mark Montgomery (USA) Robert McElheny (USA) Hoyt Overbagh (USA) |
Chevrolet Camaro (Stock Car Products) 05 | Hoyt Overbagh | 238 | 7 | GTS | 36 | 2:21.687 | |
| DNF | 84 | Chip Robinson (USA)
Bob Earl (USA) Arie Luyendyk (NL) Gary Brabham (AUS)^ |
Nissan NPT-91A | Don C. Devendorf | 227 | engine | GTP | 1 | 2:01.471 | |
| DNF | 7 | Bernd Schneider (D)
Frank Jelinski (D) "John Watson" (D) |
Porsche 962C (Joest) 129 | Reinhold Joest | 221 | engine | GTP | 4 | 1:54.797 | |
| DNF | 44 | Fermin Velez (E)
Andy Evans (USA) Jay Cochran (USA) |
Kudzu-Buick DG-2 004 | Andy Evans | 221 | suspension | GTP Lights | 14 | 2:00.137 | |
| NC | 12 | John Annis (USA)
Louis Beall (USA) Dick Downs (USA) Larry Schumacher (USA) Bob Deeks (USA) |
Chevrolet Lumina (Southern Racing) | John Annis | 208 | GTS | 33 | 2:19.316 | ||
| NC | 34 | Juan Dibos (PE)
Eduardo Dibos Jr (PE) Raul Orlandini (PE) |
Mazda MX-6 (Bacon) 007 | Mario Alberti | 199 | GTU | 31 | 2:18.749 | ||
| DNF | 41 | Irv Hoerr (USA)
Jack Baldwin (USA) Paul Gentilozzi (USA) Darin Brassfield (USA)^ |
Oldsmobile Cutlass (Rocketsports) | Paul Gentilozzi | 185 | engine | GTS | 17 | 2:03.664 | |
| DNF | 39 | Rudi Bartling (CDN)
Ahmad Khodkar (CDN) Rainer Brezinka (CDN) |
Porsche 911 4103631 | Fiorano Motorsports | 183 | engine | GTU | 47 | 2:35.616 | |
| NC | 67 | Paul Mazzacane (USA)
Chester Edwards (USA) Brad Shinder (USA) Peter Argetsinger (USA) |
Chevrolet Camaro (Howe) | Paul Mazzacane | 154 | GTS | 40 | 2:24.741 | ||
| DNF | 57 | Joe Danaher (USA)
Duke McLoughlin (USA) Frank Del Vecchio (USA) Reed Kryder (USA)* |
Nissan 240SX (Kryderacing) | Reed Kryder | 139 | differential | GTU | 42 | 2:27.124 | |
| DNF | 75 | Johnny O'Connell (USA)
John Morton (USA) Steve Millen (NZ)^ Jeremy Dale (CDN)^ |
Nissan 300ZX (Cunningham) 005 | Clayton Cunningham | 117 | engine | GTS | 16 | 2:01.939 | |
| DNF | 4 | Wayne Taylor (ZA)
Hugh D. Fuller (USA) Francois Migault (F) David Tennyson (CDN) Yves Hervalet (F)^ |
Spice-Chevrolet SE90P 001 | Tom Milner | 111 | gearbox | GTP | 11 | 1:53.274 | |
| DNF | 25 | Jon Gooding (USA)
Dale Kreider (USA)^ Nort Northam (USA)^ |
Oldsmobile Cutlass (Kreider) | Dale Kreider | 104 | mechanical | GTS | 49 | 2:22.210 | |
| DNF | 54 | Art Cross (USA)
Bobby Scolo (USA) Corky Prep (USA)* |
Chevrolet Camaro (Cross) | Art Cross | 72 | differential | GTS | 34 | 2:20.332 | |
| DNF | 80 | Mike Speakman (USA)
David S. Duda (USA) |
Nissan 300ZX | David S. Duda | 68 | engine | GTU | 43 | 2:27.517 | |
| DNF | 55 | Bob Schader (USA)
Phil Mahre (USA) Steve Mahre (USA) |
Mazda MX-6 (Highball) | Harry Brix | 60 | engine | GTU | 35 | 2:21.396 | |
| DNF | 49 | Parker Johnstone (USA)
Dan Marvin (USA) Doug Peterson (USA)^ |
Spice-Acura SE91P 24 | Don Erb | 55 | engine | GTP Lights | 12 | 1:57.690 | |
| DNF | 65 | Gene Felton (USA)
Jerry Nadeau (USA) Ed Hubbard (USA)^ Bernadette Hubbard (USA)^ |
Chevrolet Beretta | Jill Prewitt | 48 | differential | GTS | 23 | 2:13.799 | |
| DNF | 59 | Hurley Haywood (USA)
Bobby Carradine (USA) David Tennyson (CDN)^ |
Gunnar-Porsche 966 (Chapman) 001 | Brumos Porsche | 45 | electrics | GTP | 21 | 2:09.246 | |
| DNF | 8 | Don Arpin (USA)
Rob Vining (USA) Edd Davin (USA) Ken McKinnon (USA)^ Ed Delong (CDN)* |
Chevrolet Camaro (Python) | Don Arpin | 42 | fuel pump | GTS | 44 | 2:31.255 | |
| DNF | 1 | Gary Brabham (AUS)
Arie Luyendyk (NL)* |
Nissan NPT-91A | Don C. Devendorf | 20 | withdrew | GTP | 8 | 1:51.751 | |
| DNF | 9 | Henry Camferdam Jr (USA)
Phil Krueger (USA)^ Gary Drummond (USA)^ |
Mazda MX-6 (Bacon) | Henry Camferdam Jr | 11 | mechanical | GTU | 29 | 2:17.175 | |
| DNF | 15 | Jim Pace (USA)
Barry Waddell (USA) Tim Banks (USA)^ |
Chevrolet Lumina (Banks) 002 | Connie Banks | 9 | chassis | GTS | 46 | 2:31.890 | |
| DNF | 37 | Rob Wilson (NZ)
Lucio Bernal (CO)^ Felipe Solano (CO)^ Miguel Morejon (USA)^ |
Mazda MX-6 (Chassis Dynamics) | Luis Botero | 8 | engine | GTU | 27 | 2:15.701 | |
| DNF | 5 | Perry McCarthy (GB)
Les Delano (USA)^ Wayne Taylor (USA)* |
Intrepid-Chevrolet GTP RM-1 003 | Tom Milner | 7 | gearbox | GTP | 3 | 2:01.778 | |
| DNF | 40 | Heinz Wirth (CH)
Uli Bieri (CDN)^ John Graham (CDN)^ Andrew Hepworth (GB)^ Vito Scavone (CDN)^ |
Alba Ford-Cosworth AR2 | Uli Bieri | 3 | engine | GTP Lights | 45 | 2:31.550 | |
| DNS | 11 | Arie Luyendyk (NL)
Geoff Brabham (AUS) Chip Robinson (USA) Derek Daly (IRL)* |
Nissan NPT-91A | Don C. Devendorf | GTP | 1:52.686 | ||||
| DNS | 77 | James Weaver (GB)
Price Cobb (USA) Pete Halsmer (USA)* |
Mazda RX-792P (Crawford-Fabcar) | Mazda USA | exhaust | GTP | 2:14.140 | |||
| DNA | 13 | Robert Borders (USA) | Oldsmobile Cutlass (Riggins) | Robert Borders | GTS | |||||
| DNA | 17 | Amos Johnson (USA)
Scott Hoerr (USA) Chuck Hemmingson (USA) |
Oldsmobile Achieva (Highball) | Amos Johnson | GTU | |||||
| DNA | 68 | Luis Mendez (DR)
Tomas Mendez (DR) |
Chevrolet Corvette | Luis Mendez | GTS | |||||
| DNA | 71 | Amos Johnson (USA)
Scott Hoerr (USA) Dennis Shaw (USA) |
Oldsmobile Achieva (Highball) | Amos Johnson | GTU |
| Winning Time: 12h01m47.692, 110.724 mph/178.193 kph |
| Fastest Lap: Geoff Brabham #83 (Nissan NPT-91A), 1m49.661, 121.465 mph/195.479 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) |