| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 48 | Mauricio de Narvaez (CO)
Hans Heyer (D) Stefan Johansson (S) |
Porsche 935 Joest 77 003 | Mauricio de Narvaez | 263 | 12h01m01.415 | 1 | GTP | 16 | 2:30.874 |
| 2 | 57 | Randy Lanier (USA)
Bill Whittington (USA) Marty Hinze (USA) |
March-Chevrolet 83G | Blue Thunder | 261 | 2 | GTP | 64 | no time | |
| 3 | 6 | Derek Bell (GB)
A.J.Foyt (USA) Bob Wollek (F) Preston Henn (USA)* |
Porsche 935L Andial 002 | Preston Henn | 258 | 3 | GTP | 5 | 2:21.659 | |
| 4 | 9 | Wayne Baker (USA)
Jim Mullen (USA) Tom Blackaller (USA) |
Porsche 935 009 0030 | Wayne Baker | 258 | 4 | GTP | 12 | 2:26.146 | |
| 5 | 5 | Bob Akin (USA)
John O'Steen (USA) Hans-Joachim Stuck Jr (D) Bobby Rahal (USA)* |
Porsche 935-84 Fabcar | Bob Akin | 256 | 6 | GTP | 3 | 2:20.088 | |
| 6 | 14 | Bob Wollek (F)
John Graham (CDN) Hugo Gralia (USA) |
Porsche 935K4 Kremer 01 | John Fitzpatrik | 246 | 6 | GTP | 6 | 2:22.940 | |
| 7 | 45 | John Morton (USA)
Tony Garcia (USA) Tony Adamowicz (USA) |
Lola-Chevrolet T600 HU/11 | Phil Conte | 244 | 7 | GTP | 10 | 2:25.782 | |
| 8 | 4 | Billy Hagan (USA)
Gene Felton (USA) Terry Labonte (USA) |
Chevrolet Camaro Frings | Billy Hagan | 243 | 1 | GTO | 15 | 2:29.329 | |
| 9 | 76 | Jack Baldwin (USA)
Ira Young (USA) Bob Reed (USA) |
Mazda RX-7 Fabcar | Ira Young | 238 | 1 | GTU | 36 | 2:46.737 | |
| 10 | 32 | George Alderman (USA)
Carson Baird (USA) Lew Price (USA) |
Datsun 280ZX | George Alderman | 234 | 2 | GTU | 34 | 2:46.308 | |
| 11 | 04 | Brian Redman (GB)
Pat Bedard (USA) Brian Fuerstenau (USA)^ |
Jaguar XJR-5 Fabcar | Bob Tullius | 234 | 8 | GTP | 1 | 2:18.965 | |
| 12 | 7 | Ren Tilton (USA)
Blake Pridgen (USA) Rusty Bond (USA) |
Porsche 911 | E.J.Pruitt | 234 | 3 | GTU | 52 | 2:55.086 | |
| 13 | 17 | Al Bacon (USA)
Charles Guest (USA) |
Mazda RX-7 | Al Bacon | 222 | 4 | GTU | 32 | 2:45.314 | |
| 14 | 51 | Van McDonald (USA)
Dennis de Franceschi (USA) Chris Wilder (USA)* |
Porsche 911 | Chris Wilder | 222 | 5 | GTU | 62 | no time | |
| 15 | 71 | John Higgins (USA)
James King (USA) Howard Cherry (USA) |
Porsche 911 | THR Foreign Car | 221 | 6 | GTU | 55 | 2:56.105 | |
| 16 | 23 | Tim Selby (USA)
Earl Roe (USA) |
Porsche 914/6 | Roe/Selby | 221 | 7 | GTU | 49 | 2:52.646 | |
| 17 | 38 | Roger Mandeville (USA)
Amos Johnson (USA) Danny Smith (USA) |
Mazda RX-7 | Roger Mandeville | 221 | 2 | GTO | 25 | 2:39.931 | |
| 18 | 68 | Luis Mendez (DR)
Chiqui Soldevila (PR) Cristobel Martes (PR) Juan Lopez (DR)* |
Porsche 911 Carrera RSR | Luis Mendez | 217 | 3 | GTO | 65 | no time | |
| 19 | 93 | Don Marsh (USA)
Ron Pawley (USA) Kelly Marsh (USA) Whitney Ganz (USA) |
Mazda RX-7 | Mid-Ohio | 216 | 8 | GTU | 40 | 2:49.196 | |
| 20 | 05 | Tico Almeida (USA)
Miguel Morejon (USA) |
Porsche 935 | Bill McDill | 216 | 9 | GTP | 68 | no time | |
| 21 | 62 | Tim Morgan (USA)
Peter Morgan (USA) Charles Bair Jr (USA) Marcus Opie (USA) |
Chevrolet Corvette | Tim Morgan | 215 | 4 | GTO | 42 | 2:50.021 | |
| 22 | 28 | John Jelinek (USA)
Stefan Edlis (USA) Tom Brennan (USA) |
Porsche 924 Carrera | Budweiser Racing | 212 | 9 | GTU | 38 | 2:48.971 | |
| 23 | 97 | Tom Shelton (USA)
Steve Shelton (USA) Claude Ballot-Lena (F) John McComb (USA) Tom Davis (USA)^ |
Ferrari 512BB 31589 | Warren Mosler | 211 | 10 | GTP | 67 | no time | |
| 24 | 82 | Lee Mueller (USA)
Terry Visger (USA) John Casey (USA) |
Mazda RX-7 | Firestone | 208 | 10 | GTU | 66 | no time | |
| 25 | 10 | Dave White (USA)
George Drolsom (USA) Jerry Kendall (USA) Bill Johnson (USA)* |
Porsche 924 Carrera | Dave White | 202 | 11 | GTU | 35 | 2:46.642 | |
| NRF | 0 | Ron Case (USA)
Dave Panaccione (USA) Craig Case (USA)* |
Porsche 911 | Ron Case | 186 | GTU | 53 | 2:55.838 | ||
| NC | 01 | George Hulse (USA)
Jerry Kennedy (USA) Mike Cheung |
Porsche 911 Carrera RSR | THR Foreign Car | 183 | 5 | GTO | 60 | 2:59.868 | |
| NC | 21 | Craig Allen (CDN)
George Schwarz (CDN) Andre Schwarz (CDN) |
Pontiac Firebird | Gordon Oftedahl | 181 | 6 | GTO | 33 | 2:45.831 | |
| NC | 26 | William Boyer (USA)
Steve W. Roberts (USA) |
Chevrolet Camaro | Steve Roberts Jr | 181 | 7 | GTO | 58 | 2:58.001 | |
| NC | 43 | Diego Montoya (CO)
Brian Goellnicht (USA) Michael Roe (IRL) Don Walker (USA)* |
BMW M1 | Walker Brown | 180 | 8 | GTO | 23 | 2:39.261 | |
| NC | 40 | Uli Bieri (CDN)
Matt Gysler (CDN) Angelo Pallavicini (CH) |
BMW M1 | Uli Bieri | 177 | 9 | GTO | 69 | no time | |
| NC | 67 | George R. Shafer (USA)
J. Craig Shafer (USA) Joseph Maloy (USA) |
Chevrolet Camaro Banjo's Performance | George R. Shafer | 170 | 10 | GTO | 37 | 2:46.960 | |
| DNF | 09 | Lance Van Every (USA)
Ash Tisdelle (USA) |
Porsche 911 Carrera RSR | Lance Van Every | 169 | gearbox | GTO | 28 | 2:44.156 | |
| DNF | 46 | Frank Jellinek Jr (USA)
Paul Fassler (USA) Jerry Molnar (USA) |
Pontiac Firebird | Tycos Racing | 167 | GTO | 19 | 2:34.903 | ||
| NC | 99 | Phil Currin (USA)
Steve Gentile (USA) Jim Cook (USA) Tommy Morrison (USA) Brian Utt (USA)* |
Chevrolet Corvette Dillon | Bard Boand | 161 | GTO | 20 | 2:34.974 | ||
| DNF | 25 | David Cowart (USA)
Kenper Miller (USA) |
March-Porsche 82G | David Cowart | 158 | suspension | GTP | 27 | 2:43.421 | |
| NC | 94 | Bill Gardner (USA)
James Durovy (USA) Debra Gardner (USA)^ Ronnie Sanders (USA)* |
Pontiac Firebird | Tangent Racing | 149 | GTO | 80 | no time | ||
| DNF | 15 | John Kalagian (USA)
John Lloyd (USA) |
Lola-Chevrolet T600 | John Kalagian | 148 | engine | GTP | 7 | 2:24.112 | |
| DNF | 13 | Frank Rubino (USA)
Joe Rodriguez (USA) David Leira (USA) |
Mazda RX-7 Chassis Dynamics | Frank Rubino | 146 | suspension | GTU | 47 | 2:52.774 | |
| NC | 83 | Karl Keck (USA)
Robert Whitaker (USA) Bill Wessel (USA) Alan Chastain (USA)* |
Chevrolet Corvette Pratt | Karl Keck | 138 | GTO | 50 | 2:53.772 | ||
| DNF | 90 | Bob Lee (USA)
Gary Myers (USA) Bill Juian (USA) Timothy S. Lee (USA)* |
Buick Skyhawk | Bob Lee | 137 | GTO | 79 | no time | ||
| DNF | 31 | Larry O'Brien (USA)
Mike Van Steenburg (USA) |
Mazda OVS-1 Dillon | Import Service Center | 137 | spin | GTP | 74 | no time | |
| DNF | 00 | Sarel van der Merwe (ZA)
Graham Duxbury (ZA) Tony Martin (ZA) |
March-Porsche 84G | Sarel van der Merwe | 134 | engine | GTP | 2 | 2:19.673 | |
| DNF | 86 | Al Holbert (USA)
Claude Ballot-Lena (F) Hurley Haywood (USA) Bruce Leven (USA)* |
Porsche 935-80 | Bruce Leven | 123 | engine | GTP | 9 | 2:25.227 | |
| DNF | 60 | Dennis Krueger (USA)
Tom Hendrickson (USA) Rick Kinner (USA) |
Mazda RX-7 | Tommy Morrison | 114 | GTU | 57 | 2:56.667 | ||
| DNF | 44 | Bob Tullius (USA)
Doc Bundy (USA) |
Jaguar XJR-5 Fabcar | Bob Tullius | 114 | ignition | GTP | 4 | 2:21.292 | |
| DNF | 41 | Gary Belcher (USA)
Jean Rondeau (F) John Gunn (USA) |
Rondeau-Chevrolet M382 | Gary Belcher | 109 | electrics | GTP | 11 | 2:26.059 | |
| DNF | 84 | Clay Young (USA)
Douglas Grunnet (USA) James Burt (USA) |
Pontiac Fiero Huffaker | Clay Young | 105 | engine | GTU | 45 | 2:52.030 | |
| DNF | 11 | Dale Kreider (USA)
Roy Newsome (USA) Bobby Diehl (USA) |
Chevrolet Camaro | Dale Kreider | 103 | GTO | 70 | no time | ||
| DNF | 24 | Marion L. Speer (USA)
Jack Griffin (USA) Bobby Hefner (USA)^ Ray Ratcliff (USA)* |
Porsche 935 JLP-2 Kremer 000 00025 | Pegasus Racing | 96 | gearbox | GTP | 31 | 2:44.928 | |
| DNF | 88 | Ken Murray (USA)
Russ Boy (USA) Richard J. Valentine (USA) |
Chevrolet Camaro Riggins | Motorsport Marketing | 95 | accident damage | GTO | 26 | 2:42.371 | |
| DNF | 95 | Luis Gordillo (PR)
Eduardo Salguero (PR) Manuel Villa Prieto (PR) |
Porsche 911 Carrera RSR | Penzoil de Puerto Rico | 71 | differential | GTO | 51 | 2:54.017 | |
| DNF | 69 | John Hofstra (USA)
Peter Uria (USA) Mick Robinson (USA) |
Porsche 911 | George R. Shafer | 69 | spin | GTU | 59 | 2:58.227 | |
| DNF | 27 | Jim Fowells (USA)
Ray Mummery (USA) Steve Potter (USA) |
Mazda RX-7 | Jim Fowells | 65 | fire | GTU | 48 | 2:53.011 | |
| DNF | 18 | Max Welti (CH)
Francisco Miguel (ES) Guillermo Valiente (ES) Albert Naon (USA)* |
Sauber-BMW C7 | Francisco Miguel | 63 | engine | GTP | 61 | no time | |
| DNF | 55 | Whitney Ganz (USA)
Gene Hackman (USA) |
Mazda RX-7 | Walt Preston | 59 | engine | GTU | 43 | 2:50.163 | |
| DNF | 2 | Al Leon (USA)
Art Leon (USA) Terry Wolters (USA)* |
March-Chevrolet 84G | Leon Brothers | 56 | oil pressure | GTP | 8 | 2:25.177 | |
| DNF | 79 | Tom Winters (USA)
Bob Bergstrom (USA) Bill Adam (USA)^ |
Porsche 924 Carrera | Paul Gentilozzi | 52 | suspension | GTU | 24 | 2:39.837 | |
| DNF | 42 | Buzz Cason (USA)
Peter Uria (USA) Gary Wonzer (USA)^ |
Porsche 911 | Gary Wonzer | 49 | engine | GTU | 75 | no time | |
| DNF | 3 | Ken Madren (USA)
Marion L. Speer (USA) Wayne Pickering (USA)^ |
March-Buick 84G | Pegasus Racing | 44 | gearbox | GTP | 14 | 2:26.528 | |
| DNF | 35 | Worth Williams (USA)
Jim Leeward (USA) Steve Zwiren (USA)^ Jack Griffin (USA)* Bobby Hefner (USA)* |
Porsche 911 Carrera RSR 460 9113 | G&H Development | 43 | gearbox | GTO | 56 | 2:56.132 | |
| DNF | 47 | Billy Dingman (USA)
Walt Bohren (USA) |
Chevrolet Corvette | Billy Dingman | 43 | engine | GTO | 18 | 2:34.459 | |
| DNF | 58 | Alfredo Mena (ES)
Jim Trueman (USA) Deborah Gregg (USA)^ |
Porsche 924 Carrera | El Salvador Racing | 40 | engine | GTU | 39 | 2:49.124 | |
| DNF | 30 | Tom Chitwood (USA)
Joe Llauget (USA)^ Jose Rios (USA)^ |
Chevrolet Monte Carlo | Chitwood Racing | 38 | GTP | 73 | no tme | ||
| DNF | 78 | Klaus Bitterauf (USA)
Vicki Smith (USA) Arvid Albanese (USA)^ |
Porsche 911 | Klaus Bitterauf | 37 | GTU | 78 | no time | ||
| DNF | 61 | Don Courtney (USA)
Brent O'Neill (USA) Steve Shelton (USA)^ |
Argo Ford-Cosworth JM16 | Deco Sales Associates | 36 | ignition | GTP | 17 | 2:31.293 | |
| DNF | 85 | Kikos Fonseca (CR)
Enrique Molins (ES) Diego Febles (PR) |
Porsche 911 Carrera RSR | Latino Racing | 32 | engine | GTO | 29 | 2:44.237 | |
| DNF | 66 | Jack Dunham (USA)
Paul Lewis (USA) Jeff Kline (USA)^ |
Mazda RX-7 | Mike Meyer | 25 | engine | GTO | 30 | 2:44.722 | |
| DNF | 64 | Ron Coupland (USA)
John E. Hulen (USA) Dan Hartill (USA) |
Porsche 911 Carrera RSR | John E. Hulen | 25 | wheel | GTO | 54 | 2:55.904 | |
| DNF | 22 | Larry Figaro (USA)
Fernando Sabino Craig Allen (CDN)* George Schwarz (CDN)* |
Pontiac Firebird | Walter Johnston | 25 | GTO | 72 | no time | ||
| DNF | 16 | Marty Hinze (USA)
Don Whittington (USA)* |
March-Chevrolet 83G | Marty Hinze | 22 | withdrew | GTP | 13 | 2:26.430 | |
| DNF | 77 | Jeffrey Loving (USA)
Richard Small (USA) |
Chevrolet Camaro | Sunrise Auto | 20 | GTO | 41 | 2:49.578 | ||
| DNF | 03 | Vince DiLella (USA)
Manolo Cueto (USA) |
Porsche 911 | Vince DiLella | 19 | engine | GTU | 81 | no time | |
| DNF | 63 | John Maffucci (USA)
Jim Downing (USA)^ |
Argo-Mazda JM16 | Jim Downing | 17 | spin | GTP | 22 | 2:38.029 | |
| DNF | 20 | Paul Canary (USA)
Bob Barnett (USA)^ |
Chevrolet Corvette | Paul Canary | 17 | GTO | 71 | no time | ||
| DNF | 37 | Peter Welter (USA)
Tom Burdsall (USA)^ Nort Northam (USA)^ |
Mazda RX-7 | Vero Racing Associates | 16 | suspension | GTU | 46 | 2:52.290 | |
| DNF | 56 | Rick Borlase (USA)
Michael Hammond (USA) Don Kravig (USA)^ |
Porsche 934 | Rick Borlase | 12 | engine | GTO | 63 | no time | |
| DNF | 33 | John McComb (USA)
Paul Pettey (USA)^ |
Jaguar XJS | John McComb | 6 | accident | GTO | 44 | 2:51.909 | |
| DNF | 49 | Paul Goral (USA)
John Hayes-Harlow (GB)^ |
Porsche 935 | Paul Goral | 5 | engine | GTP | 76 | no time | |
| DNF | 87 | Elliott Forbes-Robinson (USA)
John Schneider (USA)^ |
Porsche 924 Carrera | John Schneider | 4 | fuel injection | GTO | 21 | 2:37.498 | |
| DNF | 52 | Hoyt Overbagh (USA)
Robert M. Theall (USA)^ Peter Kirill (USA)^ Mike Brummer (USA)* |
Chevrolet Camaro Stock Car Products | Hoyt Overbagh | 4 | electrics | GTO | 77 | no time | |
| DNS | 8 | Paul Canary (USA)
Eppie Wietzes (CDN) |
McLaren-Chevrolet M12GT Trojan | Paul Canary | GTP | 3:46.840 | ||||
| DNS | 19 | Jimmy Tumbleston (USA)
Robert Dumont (USA) Dick Purdy (USA)* |
American Motors Spirit | Signal 12 Racing | GTO | no time | ||||
| DNS | 53 | Don Nooe (USA)
Gale O'Doski (USA) Rick Wilson (USA)* |
Chevrolet Corvette | Don Nooe | GTO | no time | ||||
| DNS | 91 | Charles W. Bryant (USA)
Rick Burr (USA) Michael Graham (USA) |
BMW 2002 | Bryant/Graham | GTU | no time | ||||
| DNS | 65 | Richard Habersin (USA)
Bob Murray (USA) Joe Gonzalez (USA)* |
Chevrolet Camaro | Richard Habersin | GTP | no time | ||||
| DNS | 92 | Robert Amar (TT)
Ashmeed Mohammed (TT) |
Toyota Corolla | Robert Amar | GTU | no time | ||||
| DNS | 98 | Alfredo Sesana (CO)
Jorge Cortes (CO) |
Chevrolet Monza | Alfredo Sesana | GTO | no time | ||||
| DNS | 34 | Donald Flores (USA)
Tom Turner (USA) |
Lotus Europa | Donald Flores | GTU | no time | ||||
| DNS | 96 | Claude Ballot-Lena (F)
Jean-Claude Andruet (F)* |
Ferrari 512BB 30559 | Warren Mosler | engine | GTP | no time | |||
| DNA | 12 | Werner Frank (USA)
Rudi Bartling (CDN) |
Osella-BMW PA10 | Werner Frank | GTP | |||||
| DNA | 29 | Robert Gottfried (USA)
Rich Lee (USA) |
Porsche 935 | Donald Flores | GTP | |||||
| DNA | 36 | Michael Duncan (USA)
Scott Shadel (USA) |
Chevrolet Camaro | D.H.Thomas | GTO | |||||
| DNA | 39 | John Gunn (USA) | Phoenix-Chevrolet JG1 | Holly Racing | GTP | |||||
| DNA | 48 | Vincent P. Collins (USA)
Bill Nelson (USA) Lojza Vosta (USA) |
Chevrolet Corvette | Vincent P. Collins | GTO | |||||
| DNA | 50 | Cameron Worth (USA)
Alan Crouch (USA) Sylvain Tremblay (USA) |
Ford Pinto | Cameron Worth | GTU | |||||
| DNA | 50 | Hector Coco (USA)
Carlos Catter (USA) Augusto Molina (USA) |
Chevrolet Camaro | Carlos Catter | GTO | |||||
| DNA | 54 | Bob Copeman (USA) | Porsche 911 Carrera RSR | Bob Copeman | GTO | |||||
| DNA | 70 | Richard McDill (USA)
Gary English (USA) Mike Laws (USA) |
Chevrolet Camaro Dillon | Bill McDill | GTO | |||||
| DNA | 72 | Ken Moore (USA) | Porsche 911 Carrera RSR | Ken Moore | GTO | |||||
| DNA | 73 | Carlos Munoz (USA) | Porsche 911 Carrera RSR | Jo-Car Enterprises | GTO | |||||
| DNA | 74 | Janis Taylor (USA)
Del Russo Taylor (USA) |
Chevron-Buick GTP | Del Russo Taylor | GTP | |||||
| DNA | 75 | Bob Gregg (USA)
Bob Young (USA) Joe Varde (USA) |
Chevrolet Camaro | Bob Gregg | GTO | |||||
| DNA | 80 | Bill McVey (USA)
Jacques Groleau (USA) |
Chevrolet Camaro | Bill McVey | GTO | |||||
| DNA | 81 | Cliff Gottlob (USA)
Carl herman (USA) |
Chevrolet Corvette | Cliff Gottlob | GTO | |||||
| DNA | 89 | Rainer Brezinka (CDN)
John M. Centano (CDN) |
Porsche 911 | Rainer Brezinka | GTU | |||||
| DNA | 93 | Don Cummings (USA)
Greg Walker (USA) Craig A. Rubright (USA) |
Chevrolet Corvette Linderfer | Don Cummings | GTO | |||||
| DNA | 02 | Dudley Wood (GB)
John C. Cooper (GB) |
Porsche 935 | Wildwood Racing | GTP | |||||
| DNA | 06 | Timothy F.M.Lee (USA)
Richard Scott (USA) Al White (USA) |
Ford Capri | Timothy F.M.Lee | GTU | |||||
| DNA | 07 | Lyn St.James (USA)
Jim Trueman (USA) |
Argo Ford-Cosworth JM16 100 | Lyn St James | GTP | |||||
| DNA | 08 | Billy Scyphers (USA)
Allen Glick (USA) |
Ferrari 308GTB | Billy Scyphers | GTU |
| Winning Time: 12h01m01.415, 106.364 mph/171.176 kph |
| Fastest Lap: Brian Redman #04 Jaguar XJR-5), 2m22.751, 122.563 mph/197.246 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) |