| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 9 | Wayne Baker (USA)
Jim Mullen (USA) Kees Nierop (CDN) |
Porsche 934 009 0030 | Wayne Baker | 231 | 12h01m17.745 | 1 | GTO | 15 | 2:38.165 |
| 2 | 5 | Bob Akin (USA)
Dale Whittington (USA) John O'Steen (USA) |
Porsche 935K3 Kremer 9308900021 | Bob Akin | 231 | 12h02m52.547 | 1 | GTP | 6 | 2:28.457 |
| 3 | 86 | Hurley Haywood (USA)
Al Holbert (USA) Bruce Leven (USA)^ |
Porsche 935-80 | Bruce Leven | 229 | 2 | GTP | 7 | 2:28.499 | |
| 4 | 61 | Don Courtney (USA)
Luis Sereix (USA) Brent O'Neill (USA) |
Chevrolet Monza | Vista Racing | 227 | 2 | GTO | 21 | 2:42.021 | |
| 5 | 22 | Reggie Smith Jr (USA)
Lyn St. James (USA) Drake Olson (ZA) |
Nimrod-Aston Martin C2 | Nimrod | 224 | 3 | GTP | 48 | 2:56.437 | |
| 6 | 66 | Jack Dunham (USA)
Jeff Kline (USA) Jon Compton (USA) |
Mazda RX-7 | Mike Meyer | 224 | 1 | GTU | 32 | 2:48.654 | |
| 7 | 65 | Luis Gordillo (PR)
Manuel Villa Prieto (PR) Chiqui Soldevila (PR) |
Porsche 911 Carrera RSR | Manuel Villa Prieto | 224 | 3 | GTO | 41 | 2:54.112 | |
| 8 | 82 | Joe Varde (USA)
Jack Baldwin (USA) John Casey (USA) |
Mazda RX-7 | Trinity Racing | 223 | 2 | GTU | 23 | 2:43.510 | |
| 9 | 01 | John Morton (USA)
Tom Klausler (USA) |
Ford Mustang | Marketing Corporation | 222 | 4 | GTO | 42 | 2:54.131 | |
| 10 | 35 | Al Leon (USA)
Paul Gilgan (USA) Wayne Pickering (USA) |
Porsche 911 Carrera RSR | Pegasus Racing | 222 | 5 | GTO | 39 | 2:53.801 | |
| NRF | 10 | Ralph Kent-Cooke (USA)
Jim Adams (USA) Josele Garza (MEX) |
Lola-Chevrolet T600 | Ralph Kent-Cooke | 221 | accident | GTP | 5 | 2:26.993 | |
| 12 | 94 | Don Whittington (USA)
Bill Whittington (USA) |
Porsche 935K3 Kremer | Preston Henn | 218 | 5 | GTP | 9 | 2:29.134 | |
| 13 | 3 | Skeeter McKitterick (USA)
Milt Minter (USA) Gary Belcher (USA)* |
Grid Ford-Cosworth Plaza S1 | Ian Dawson | 216 | 6 | GTP | 10 | 2:30.886 | |
| 14 | 37 | Peter Welter (USA)
Tom Burdsall (USA) Nort Northam (USA) |
Mazda RX-7 | Burdsall/Welter | 216 | 3 | GTU | 80 | 3:41.911 | |
| 15 | 23 | Tim Selby (USA)
Earl Roe (USA) |
Porsche 911 | Roe/Selby | 210 | 4 | GTU | 69 | 3:06.645 | |
| 16 | 83 | Rainer Brezinka (CDN)
Rudi Bartling (CDN) Roger Schramm (USA) Fritz Hochreuter (CDN) |
Porsche 911 Carrera RSR | Rainer Brezinka | 204 | 6 | GTO | 62 | 3:02.451 | |
| 17 | 92 | Lee Mueller (USA)
Terry Visger (USA) |
Mazda RX-7 | Dave Kent | 204 | 7 | GTU | 24 | 2:43.854 | |
| 18 | 63 | Jim Downing (USA)
John Maffucci (USA) Chuck Ulinski (USA) Steve Potter (USA)* |
Mazda RX-7 | Jim Downing | 204 | 8 | GTU | 47 | 2:56.032 | |
| 19 | 11 | Paul Goral (USA)
Larry Figaro (USA) Peter Uria (USA) |
Porsche 911 | Paul Goral | 202 | 9 | GTU | 70 | 3:07.296 | |
| 20 | 69 | Armando Gonzalez (PR)
Hiram Cruz (USA) |
Porsche 934 | Hiram Cruz | 201 | 7 | GTO | 26 | 2:44.832 | |
| NRF | 7 | Pete Halsmer (USA)
Rick Knoop (USA) |
Mazda RX-7 | Mederer/Oku | 199 | suspension | GTO | 17 | 2:39.690 | |
| 22 | 90 | Mike H. Schaefer (USA)
Doug Zitza (USA) Jack Refenning (USA) |
Porsche 911 | Peter Uria | 198 | 10 | GTU | 63 | 3:02.622 | |
| 23 | 06 | Juan Lopez (DR)
Luis Mendez (DR) |
Porsche 934 | Juan Lopez | 192 | 9 | GTO | 57 | 2:59.115 | |
| 24 | 89 | Enrique Molins (ES)
Eduardo Barrientos (ES) Eduardo Galdamez (ES) |
Porsche 911 Carrera RSR | Taca | 188 | 10 | GTO | 40 | 2:53.980 | |
| 25 | 27 | Jim Fowells (USA)
Ray Mummery (USA) Steve Potter (USA) |
Mazda RX-7 | Jim Fowells | 185 | 11 | GTU | 61 | 3:02.011 | |
| 26 | 14 | Carl Shafer (USA)
Carlos Ramirez (USA) Mike Meldeau (USA) Chris Gleason (USA)* Bob Raub (USA)* |
Pontiac Firebird | Gordon Oftedahl | 185 | 11 | GTO | 16 | 2:39.250 | |
| 27 | 68 | Jack Rynerson (USA)
Van McDonald (USA) Chris Wilder (USA) |
Porsche 911 | Jack Rynerson | 183 | 12 | GTU | 49 | 2:57.047 | |
| 28 | 57 | David Heinz (USA)
Jerry Thompson (USA) Paul Gentilozzi (USA) |
Chevrolet Camaro Dillon | David Heinz | 181 | 12 | GTO | 53 | 2:58.344 | |
| 29 | 03 | Bob Lee (USA)
Timothy S. Lee (USA) Gary Myers (USA) |
Ford Maverick | Bob Lee | 180 | 13 | GTU | 65 | 3:04.511 | |
| 30 | 91 | Charles W. Bryant (USA)
Alex Priest (USA) Mike Guido (USA) |
BMW 2002 | Bryant/Graham | 178 | 13 | GTU | 74 | 3:20.402 | |
| NRF | 93 | John Higgins (USA)
James King (USA) Chip Mead (USA) |
Porsche 911 | Foreign Exchange | 175 | engine | 14 | GTU | 59 | 3:01.028 |
| 32 | 30 | Ron Case (USA)
Craig Case (USA) Dave Panaccione (USA) |
Porsche 911 | Ron Case | 173 | 15 | GTU | 67 | 3:04.839 | |
| NRF | 60 | Jim Cook (USA)
Steve Dietrich (USA) Al Bacon (USA) |
Mazda RX-7 | Tommy Morrison | 168 | engine | 16 | GTU | 31 | 2:48.596 |
| 34 | 51 | Doug Carmean (USA)
Don Herman (USA) |
Mazda RX-7 | Jim Trueman | 167 | 17 | GTU | 43 | 2:54.170 | |
| 35 | 58 | Deborah Gregg (USA)
Kathy Rude (USA) Bonnie Henn (USA) |
Porsche 924 Carrera | Brumos Porsche | 165 | 14 | GTO | 51 | 2:57.137 | |
| 36 | 96 | Phil Byrd (USA)
Freddy Baker (USA) Robert Kirby (USA) |
Porsche 911 Carrera RSR | Phil Byrd | 162 | 15 | GTO | 46 | 2:55.744 | |
| 37 | 42 | Gary Wonzer (USA)
Bill Bean (USA) Buzz Cason (USA) |
Porsche 911 | Gary Wonzer | 162 | 18 | GTU | 58 | 3:00.812 | |
| DNF | 95 | Ned Skiff (USA)
Jim Leo (USA) |
Renault R12 | Ned Skiff | 159 | engine | GTU | 78 | 3:40.899 | |
| DNF | 19 | Lance Van Every (USA)
Ash Tisdelle (USA) |
Porsche 911 Carrera RSR | Lance Van Every | 153 | engine | GTO | 38 | 2:52.520 | |
| DNF | 02 | Ronnie Bucknum (USA)
John Bright (GB) |
Ford Mustang | Marketing Corporation | 153 | engine | GTO | 52 | 2:57.652 | |
| NC | 4 | Billy Hagan (USA)
Gene Felton (USA) Sam Moses (USA) Tom Williams (USA)* |
Chevrolet Camaro Frings | Billy Hagan | 153 | GTO | 11 | 2:32.787 | ||
| NC | 04 | Vince DiLella (USA)
Manolo Cueto (USA) |
Porsche 911 | Vince DiLella | 152 | GTU | 72 | 3:15.416 | ||
| NC | 79 | Tom Winters (USA)
Bob Bergstrom (USA) Peter Dawe (USA) |
Porsche 924 Carrera | Paul Gentilozzi | 148 | GTO | 44 | 2:55.186 | ||
| DNF | 24 | Marion L. Speer (USA)
Ken Madren (USA) Ray Ratcliff (USA) |
Porsche 935 | Pegasus Racing | 145 | engine | GTP | 22 | 2:42.514 | |
| DNF | 49 | Hoyt Overbagh (USA)
Peter Kirill (USA) Paul Romano (USA) |
Chevrolet Monza Rickets | Hoyt Overbagh | 145 | engine | GTO | 45 | 2:55.608 | |
| DNF | 13 | Paul Fassler (USA)
Steve Pope (USA) Carl Shafer (USA) |
Pontiac Firebird | Gordon Oftedahl | 142 | engine | GTO | 19 | 2:41.237 | |
| NC | 18 | Carmen Lista (USA)
David Marks (USA) Roy Newsome (USA) Bobby Diehl (USA) |
Chevrolet Camaro | Bobby Diehl | 140 | GTO | 60 | 3:01.348 | ||
| NC | 76 | Timothy F.M.Lee (USA)
Al White (USA) Irwin Ayres (USA) |
Ford Capri | Timothy F.M.Lee | 140 | GTU | 79 | 3:41.390 | ||
| NC | 15 | Doug Lutz (USA)
Mike Brummer (USA) Larry Connor (USA) Dave Panaccione (USA) |
Porsche 911 Carrera RSR | Doug Lutz | 139 | GTO | 84 | no time | ||
| DNF | 36 | Paul Miller (USA)
Jim Busby (USA) Ron Grable (USA) |
Porsche 924 Carrera | Herman/Miller | 132 | engine | GTO | 30 | 2:47.188 | |
| NC | 87 | Robert Gottfried (USA)
Tom Turner (USA) Donald Flores (USA) |
Porsche 911 | Donald Flores | 131 | GTU | 77 | 3:38.999 | ||
| DNF | 16 | Marty Hinze (USA)
Randy Lanier (USA) Terry Wolters (USA) |
March-Chevrolet 83G | Marty Hinze | 128 | engine | GTP | 4 | 2:26.659 | |
| NC | 33 | Karl Keck (USA)
Bill McDill (USA) Robert Whitaker (USA) |
Chevrolet Corvette Pratt | Karl Keck | 128 | GTO | 37 | 2:52.437 | ||
| DNF | 29 | Robert Overby (USA)
Don Bell (USA) Chris Doyle (USA) |
Chevrolet Camaro | Robert Overby | 127 | engine | GTO | 34 | 2:49.061 | |
| NC | 75 | Cameron Worth (USA)
Alan Crouch (USA) Janis Taylor (USA) |
Ford Pinto | Bryant/Graham | 127 | GTU | 82 | 6:47.477 | ||
| DNF | 09 | Derek Bell (GB)
Michael Andretti (USA) John Paul Jr (USA) Preston Henn (USA)* |
Porsche 935L Andial 002 | Preston Henn | 125 | engine | GTP | 1 | 2:23.965 | |
| DNF | 8 | Steve Shelton (USA)
Tom Shelton (USA) Derek Bell (GB)^ |
Ferrari 512BB 31589 | Shelton Ferrari | 120 | gearbox | GTP | 29 | 2:46.623 | |
| DNF | 44 | Bob Tullius (USA)
Bill Adam (CDN) Pat Bedard (USA)^ |
Jaguar XJR-5 Fabcar | Bob Tullius | 95 | engine | GTP | 2 | 2:25.590 | |
| DNF | 34 | George Drolsom (USA)
Steve Cohen (USA) Bill Gellis (USA) |
Porsche 924 Carrera | George Drolsom | 94 | engine | GTO | 56 | 2:58.921 | |
| DNF | 26 | Tom Nehl (USA)
Nelson Silcox (USA) Patty Moise (USA) |
Chevrolet Camaro Riggins | Auriga Racing | 92 | gearbox | GTO | 25 | 2:44.242 | |
| DNF | 21 | Victor Gonzalez (USA)
Drake Olson (ZA) Bonky Fernandez (PR) |
Nimrod-Aston Martin C2 | Nimrod | 86 | engine | GTP | 13 | 2:36.937 | |
| DNF | 05 | Tico Almeida (USA)
Ernesto Soto (YV) |
Porsche 935 | Almeida/Rodriguez | 82 | accident | GTP | 14 | 2:37.060 | |
| DNF | 99 | Gustavo Londono (CO)
Carlos Munoz (USA) Hugo Gralia (USA) Ricardo Londono (CO)* Santiago Londono (CO)* |
Porsche 911 Carrera RSR | Londono Racing | 81 | accident | GTO | 73 | 3:18.427 | |
| DNF | 20 | Paul Canary (USA)
Jim Sanborn (USA) |
Pontiac Firebird Watson | Paul Canary | 78 | gearbox | GTO | 54 | 2:58.351 | |
| NC | 52 | Dick Gauthier (USA)
Tom Cripe (USA) Ron Collins (USA) Bill McVey (USA) |
Porsche 911 | TFC Racing | 67 | GTU | 68 | 3:05.836 | ||
| DNF | 77 | Pierre Honegger (USA)
Walt Bohren (USA) |
Mazda GTP Rosemont | Pierre Honegger | 61 | engine | GTP | 18 | 2:40.529 | |
| DNF | 64 | Marcus Opie (USA)
Tim Morgan (USA) Grant Bradey (USA) |
Chevrolet Corvette | Marcus Opie | 59 | engine | GTO | 55 | 2:58.402 | |
| DNF | 78 | Klaus Bitterauf (USA)
Vicki Smith (USA) Scott Flanders (USA) |
Porsche 911 | Klaus Bitterauf | 59 | gearbox | GTU | 64 | 3:03.069 | |
| DNF | 28 | Francisco Miguel (ES)
Arnoldo Kreysa (ES) Albert Naon (USA)^ |
BMW M1 | Air Florida | 58 | accident | GTO | 20 | 2:42.014 | |
| DNF | 38 | Roger Mandeville (USA)
Amos Johnson (USA) Danny Smith (USA) |
Mazda RX-7 | Roger Mandeville | 56 | engine | GTU | 27 | 2:45.184 | |
| DNF | 54 | Reynaldo Fernandez
Daniel Vilarchao (USA) |
Chevrolet Camaro | Daniel Vilarchao | 56 | accident | GTO | 76 | 3:31.286 | |
| DNF | 6 | J. Craig Shafer (USA)
George R. Shafer (USA) Joseph Maloy (USA) |
Chevrolet Camaro Banjo's Performance | George R. Shafer | 55 | accident | GTO | 33 | 2:48.993 | |
| DNF | 74 | Del Russo Taylor (USA)
Larry Figaro (USA)^ |
Chevron-Buick GTP | Mark Wagoner | 53 | engine | GTP | 50 | 2:57.133 | |
| DNF | 12 | Don Cummings (USA)
Craig A. Rubright (USA) Charles Gano (USA) Tom Juckette (USA)* |
Chevrolet Monza | Don Cummings | 50 | engine | GTP | 35 | 2:49.570 | |
| DNF | 25 | David Cowart (USA)
Kenper Miller (USA) Mauricio de Narvaez (CO) |
March-Porsche 82G | David Cowart | 46 | accident | GTP | 85 | no time | |
| DNF | 31 | Jack Griffin (USA)
John Zouleska (USA)^ |
Porsche 914 | Pegasus Racing | 38 | accident | GTU | 86 | no time | |
| DNF | 50 | Kikos Fonseca (CR)
Tato Ferrer (PR) Diego Febles (PR)^ |
Porsche 911 Carrera RSR | Latino Racing | 36 | accident | GTO | 28 | 2:46.327 | |
| DNF | 08 | Robby Diehl (USA)
Roy Newsome (USA) |
Mazda RX-7 | Bobby Diehl | 29 | gearbox | GTU | 66 | 3:04.838 | |
| DNF | 39 | John Gunn (USA)
Ricardo Londono (CO) |
Phoenix-Chevrolet JG1 | Holly Racing | 26 | engine | GTP | 3 | 2:25.688 | |
| DNF | 40 | Uli Bieri (CDN)
Matt Gysler (CDN)^ Duff Hubbard (USA)^ |
BMW M1 | Uli Bieri | 21 | accident | GTO | 36 | 2:51.921 | |
| DNF | 07 | Fred Flaquer (USA)
Gustavo Londono (CO) Ricardo Londono (CO)^ Rene Rodriguez (USA)^ |
Porsche 911 Carrera RSR | Londono Racing | 21 | engine | GTO | 83 | no time | |
| DNF | 17 | Billy Dingman (USA)
Roger Bighouse (USA) |
Chevrolet Corvette | Billy Dingman | 11 | engine | GTP | 71 | 3:11.415 | |
| DNF | 47 | Bill Whittington (USA)
Pepe Romero (USA)^ Doc Bundy (USA)^ |
March-Chevrolet 83G | Pepe Romero | 8 | gearbox | GTP | 8 | 2:29.122 | |
| DNF | 62 | Bill Nelson Sr (USA)
Dale Kreider (USA)^ Lojza Vosta (USA)^ |
Pontiac Firebird | Bill Nelson Sr | 1 | engine | GTO | 75 | 3:27.205 | |
| DNS | 2 | Marty Hinze (USA)
Randy Lanier (USA) Terry Wolters (USA) |
Porsche 935 930 770 0960 | Marty Hinze | GTP | 12 | 2:35.846 | |||
| DNS | 53 | Raul Garcia (USA)
Eugenio Matienzo (USA) |
Chevrolet Camaro Superior | Raul Garcia | GTO | 81 | 4:03.994 | |||
| DNS | 80 | Anatoly Arutunoff (USA)
Jose Marina (USA) |
Lancia Stratos | Anatoly Arutunoff | GTU | 87 | no time | |||
| DNA | 0 | Danny Ongais (USA)
Ted Field (USA) |
Lola-Chevrolet T600 | Ted Field | GTP | |||||
| DNA | 32 | George Alderman (USA)
Carson Baird (USA) |
Datsun 280ZX | George Alderman | GTU | |||||
| DNA | 41 | Bill Wessel (USA)
Charles Gano (USA) Mike Williamson (USA) |
Chevrolet Corvette | Capricorn Motor Racing | GTO | |||||
| DNA | 43 | Vincent P. Collins (USA)
Lojza Vosta (USA) |
Chevrolet Corvette | Vincent P. Collins | GTO | |||||
| DNA | 55 | Diego Montoya (CO)
Albert Naon (USA) Tony Garcia (USA) |
BMW M1 | B de T Racing | GTO | |||||
| DNA | 71 | Charles Morgan (USA)
Bill Johnson (USA) |
Datsun 280ZX | Charles Morgan | GTU | |||||
| DNA | 73 | Ken Grostic (USA)
Keith Lawhorn (USA) |
Porsche 914 | G.O.Racing | GTU | |||||
| DNA | 84 | Ken Murray (USA)
Emory Donaldson (USA) |
Chevrolet Camaro | Motorsport Marketing | GTO | |||||
| DNA | 97 | Vince Gimondo (USA)
John Hood (USA) |
Chevrolet Camaro | Vince Gimondo | GTO | |||||
| DNA | 98 | Alfredo Sesana (CO)
Jorge Cortes (CO) |
Chevrolet Monza | Alfredo Sesana | GTO | |||||
| DNA | 00 | Danny Ongais (USA)
Ted Field (USA) |
Lola-Chevrolet T600 | Ted Field | GTP |
| Winning Time: 12h01m17.745, 91.273 mph/146.890 kph |
| Fastest Lap: Bill Whittington #47 (March-Chevrolet 82G), 2m22.750, 119.790 mph/192.783 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) |