| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 18 | John Paul Sr (USA)
Rolf Stommelen (D) John Paul Jr (USA) Charles Mendez (USA)* Hubert Phipps (USA)* Josele Garza (MEX)* |
Porsche 935 JLP-3 Gaaco | John Paul Sr | 719 | 1. | GTP | 5 | 1:46.243 | |
| 2. | 5 | Bob Akin (USA)
Craig Siebert (USA) Derek Bell (GB) |
Porsche 935K3 Kremer | Bob Akin | 708 | 2. | GTP | 7 | 1:47.094 | |
| 3. | 46 | Mauricio de Narvaez (CO)
Bob Garretson (USA) Jeff Wood (USA) Anny-Charlotte Verney (F) Huub Rothengatter (NL) |
Porsche 935 0090030 | Bob Garretson | 683 | 3 | GTP | 12 | 1:52.016 | |
| 4. | 77 | Yoshimi Katayama (J)
Takashi Yorino (J) Yojiro Terada (J) |
Mazda RX-7 | Mazda USA | 644 | 1 | GTO | 20 | 1:59.913 | |
| 5. | 05 | Ernesto Soto (YV)
Rene Rodriguez (USA) Tico Almeida (USA) |
Porsche 911 Carrera RSR | Almeida/Rodriguez | 642 | 2 | GTO | 24 | 2:01.220 | |
| 6. | 98 | Kathy Rude (USA)
Lee Mueller (USA) Allan Moffat (AUS) |
Mazda RX-7 | Dave Kent | 640 | 1 | GTU | 45 | 2:06.956 | |
| 7. | 92 | Jim Mullen (USA)
Walt Bohren (USA) Ron Grable (USA) Lee Mueller (USA)* Kathy Rude (USA)* |
Mazda RX-7 | Dave Kent | 632 | 2 | GTU | 29 | 2:03.491 | |
| 8. | 26 | Tom Nehl (USA)
Tommy Riggins (USA) Nelson Silcox (USA) |
Chevrolet Camaro Riggins | Auriga Racing | 626 | 4 | GTP | 16 | 1:54.059 | |
| 9. | 24 | Jack Refenning (USA)
Ren Tilton (USA) Rusty Bond (USA) |
Porsche 934 | Peter Uria | 618 | 5 | GTP | 21 | 2:00.152 | |
| 10. | 38 | Roger Mandeville (USA)
Amos Johnson (USA) Jeff Kline (USA) |
Mazda RX-7 | Roger Mandeville | 615 | 3 | GTU | 35 | 2:04.160 | |
| 11. | 36 | Paul Miller (USA)
Pat Bedard (USA) Juergen Barth (D) |
Porsche 924 Carrera | Herman/Miller | 608 | 3 | GTO | 54 | no time | |
| 12. | 37 | Dick Neland (USA)
Ed Kuhel (USA) Nort Northam (USA) Joe Cotrone (USA)^ |
Chevrolet Camaro | Kendco | 602 | 4 | GTO | 31 | 2:03.516 | |
| 13. | 86 | Hurley Haywood (USA)
Bruce Leven (USA) Al Holbert (USA) |
Porsche 935-80 | Bruce Leven | 598 | 6 | GTP | 4 | 1:45.763 | |
| 14. | 63 | Tom Waugh (USA)
Jim Downing (USA) John Maffucci (USA) |
Mazda RX-7 | Jim Downing | 590 | 4 | GTU | 36 | 2:04.189 | |
| 15. | 57 | Doug Carmean (USA)
John O'Steen (USA) Ed Pimm (USA) |
Mazda RX-7 | Jim Trueman | 584 | 5 | GTU | 42 | 2:05.264 | |
| 16. | 35 | Marion L.Speer (USA)
Ray Ratcliff (USA) Terry Wolters (USA) |
Porsche 911 Carrera RSR 460 9113 | W-S Enterprises | 583 | 5 | GTO | 37 | 2:04.527 | |
| 17. | 01 | John Morton (USA)
Tom Klausler (USA) |
Ford Mustang | Marketing Corporation | 569 | 6 | GTO | 23 | 2:01.072 | |
| NRF | 66 | Jack Dunham (USA)
Scott Smith Jr (USA) Scott Smith Sr (USA) |
Mazda RX-7 | Jack Dunham | 562 | GTU | 41 | 2:05.091 | ||
| 19. | 58 | Doc Bundy (USA)
Jim Busby (USA) Manfred Schurti (FL) James Brolin (USA)* |
Porsche 924 Carrera | Brumos Porsche | 558 | 7 | GTO | 26 | 2:02.883 | |
| 20. | 88 | Bob Beasley (USA)
George Stone (USA) Jack Lewis (USA) |
Porsche 911 Carrera RSR | Bob Beasley | 558 | 8 | GTO | 39 | 2:04.920 | |
| 21. | 444 | Bob Tullius (USA)
Bill Adam (CDN) Gordon Smiley (USA) |
Jaguar XJS | Bob Tullius | 533 | 7 | GTP | 59 | no time | |
| 22. | 72 | Jean Kjoller (USA)
Bob Nikel (USA) Grady Clay (USA) |
Porsche 911 Carrera RSR | Carrera Motorsports | 529 | 9 | GTO | 66 | no time | |
| NRF | 6 | Bob Wollek (F)
Edgar Doeren (D) Randy Lanier (USA) Janet Guthrie (USA)* Bonnie Henn (USA)* |
Ferrari 512BB | NART | 523 | GTP | 15 | 1:54.032 | ||
| NRF | 9 | Bobby Rahal (USA)
Bruce Canepa (USA) Jim Trueman (USA) |
March-Chevrolet 82G | Bob Garretson | 514 | gearbox | GTP | 1 | 1:43.891 | |
| 25. | 78 | Scott Flanders (USA)
Klaus Bitterauf (USA) Vicki Smith (USA) |
Porsche 911 | Klaus Bitterauf | 511 | 7 | GTU | 50 | 2:12.024 | |
| DNF | 54 | Tony Garcia (USA)
Albert Naon (USA) Rob McFarlin (USA) Hiram Cruz (USA)* |
BMW M1 | Mantura Racing | 475 | GTO | 18 | 1:57.354 | ||
| NC | 50 | Diego Febles (PR)
Tato Ferrer (PR) Chiqui Soldevila (PR) |
Porsche 911 Carrera RSR | Diego Febles | 464 | 11 | GTO | 30 | 2:03.476 | |
| NC | 80 | Leonard Emanuelson (USA)
Roger Mears (USA) Herb Adams (USA) |
Pontiac Firebird | Herb Adams | 435 | GTO | 69 | no time | ||
| DNF | 84 | Francisco Miguel (ES)
Eduardo Barrientos (ES) Eduardo Galdamez (ES) |
Porsche 934 | Enrique Molins | 420 | differential | GTO | 71 | no time | |
| NC | 4 | Bob Raub (USA)
Bob Leitzinger (USA) Art Pasmas (USA) |
Pontiac Firebird | Gordon Oftedahl | 420 | GTO | 19 | 1:57.820 | ||
| DNF | 3 | Danny Sullivan (USA)
Gary Belcher (USA) Hubert Phipps (USA) |
Rondeau Ford-Coswort M382 | Gary Belcher | 408 | GTP | 14 | 1:52.910 | ||
| DNF | 65 | Rick Knoop (USA)
Carson Baird (USA) Tom Pumpelly (USA) |
Ferrari 512BB 34445 | Ron Spangler | 377 | gearbox | GTP | 51 | no time | |
| NC | 51 | Tom Juckette (USA)
Mike Meldeau (USA) Bill McDill (USA) Carl Shafer (USA)^ |
Chevrolet Camaro | Mike Meldeau | 351 | GTP | 64 | no time | ||
| DNF | 62 | William Koll (USA)
Irv Hoerr (USA) Skeeter McKitterick (USA) |
Rondeau Ford-Cosworth M382 | William Koll | 338 | fuel system | GTP | 13 | 1:52.365 | |
| NC | 30 | Russell Long (USA)
Craig Case (USA) Ron Case (USA) |
Porsche 911 | Ron Case | 332 | GTU | 47 | 2:09.616 | ||
| DNF | 02 | John Bauer (USA)
Gary Pratt (USA) Milt Minter (USA) |
Ford Mustang | Marketing Corporation | 321 | engine | GTO | 72 | no time | |
| NC | 20 | Ron Hunter (USA)
Richard Turner (USA) Duane Eitel (USA) |
Mercury Capri | AutoWest | 304 | GTO | 55 | no time | ||
| DNF | 44 | Billy Hagan (USA)
Terry Labonte (USA) Gene Felton (USA) |
Chevrolet Camaro Frings | Billy Hagan | 295 | engine | GTP | 32 | 2:03.637 | |
| NC | 29 | David Heinz (USA)
Peter Kirill (USA) Hoyt Overbagh (USA) Gary Bettenhausen (USA)* |
Chevrolet Monza Rickets | Hoy Overbagh | 276 | GTO | 34 | 2:03.859 | ||
| DNF | 21 | Jo Crevier (USA)
Fred Stiff (USA) Denny Wilson (USA) Nort Northam (USA)^ |
BMW M1 | Jo Crevier | 267 | GTO | 28 | 2:03.491 | ||
| NC | 42 | Gary Wonzer (USA)
Bill Bean (USA) Chuck Grantham (USA) |
Porsche 911 | Gary Wonzer | 261 | GTU | 46 | 2:09.091 | ||
| DNF | 23 | Dick Davenport (USA)
Frank Carney (USA) John McComb (USA) |
Datsun 280ZX | Frank Carney | 247 | gearbox | GTU | 38 | 2:04.779 | |
| NC | 34 | George Drolsom (USA)
Bill Johnson (USA) Werner Frank (USA) |
Porsche 924 Carrera | George Drolsom | 238 | GTO | 58 | no time | ||
| DNF | 10 | Carl Shafer (USA)
Joe Mooney (USA) Tony Brassfield (USA) |
Chevrolet Camaro | Gordon Oftedahl | 231 | GTP | 52 | no time | ||
| DNF | 09 | Preston Henn (USA)
Desire Wilson (ZA) Marty Hinze (USA) |
Porsche 935-77A | Preston Henn | 229 | GTP | 6 | 1:46.515 | ||
| DNF | 49 | Jerry Jolly (USA)
Bob Copeman (USA) Tom Alan Marx (USA) |
Porsche 911 Carrera RSR | Bob Copeman | 220 | GTO | 63 | no time | ||
| DNF | 83 | Harro Zitza (USA)
John Belperche (USA) Doug Zitza (USA) |
Porsche 914/6 | Zotz Garage | 213 | oil leak | GTU | 70 | no time | |
| DNF | 13 | Anatoly Arutunoff (USA)
Jose Marina (USA) |
Lancia Stratos | Anatoly Arutunoff | 209 | engine | GTU | 61 | no time | |
| DNF | 27 | Jim Fowells (USA)
Ray Mummery (USA) John Carusso (USA) |
Mazda RX-7 | Jim Fowells | 168 | electrics | GTU | 49 | 2:10.028 | |
| DNF | 43 | Bob Young (USA)
Bob Gregg (USA) Ray McIntyre (USA) Leonard Jones (USA)* |
Porsche 911 Carrera RSR | Bob Gregg | 161 | GTO | 40 | 2:04.922 | ||
| DNF | 7 | Ralph Kent-Cooke (USA)
Eppie Wietzes (CDN) Jim Adams (USA) |
Lola-Chevrolet T600 | Ralph Kent-Cooke | 138 | GTP | 8 | 1:48.709 | ||
| DNF | 67 | Les Delano (USA)
Andy Petery (USA) Jeremy Nightingale (GB) |
American Motors Spirit | Amos Johnson | 137 | GTO | 33 | 2:03.828 | ||
| NC | 70 | Larry Chmura (USA)
Jim Schofield (USA) Brent Regan (USA) Mark Welch (USA)* |
Chevron-Mazda GTP | Genesis Racing | 119 | GTP | 56 | no time | ||
| DNF | 08 | Alan Howes (USA)
Paul Nacthwey (USA) Oliver Jones (USA) |
Porsche 911 | Portia Parlor | 103 | engine | GTU | 73 | no time | |
| DNF | 75 | Dale Kreider (USA)
Keith Swope (USA) Peter Knab (USA) |
Chevrolet Corvette | Dale Kreider | 101 | GTO | 27 | 2:03.440 | ||
| DNF | 07 | Ludwig Heimrath Jr (CDN)
Ludwig Heimrath (CDN) |
Porsche 924 Carrera | Ludwig Heimrath | 91 | engine | GTO | 25 | 2:01.605 | |
| DNF | 60 | Guy W.Church (USA)
Tom Alan Marx (USA) Bob Lee (USA)^ |
American Motors AMX | Bob Lee | 91 | GTO | 57 | no time | ||
| DNF | 15 | Dave Panaccione (USA)
Chip Mead (USA) John Graham (CDN) Doug Lutz (USA)* |
Porsche 911 Carrera RSR | Doug Lutz | 71 | GTO | 62 | no time | ||
| DNF | 73 | Clark Howey (USA)
Dale Koch (USA) Tracy Wolf (USA) |
Chevrolet Camaro | Tracy Wolf | 70 | GTO | 67 | no time | ||
| DNF | 25 | David Cowart (USA)
Kenper Miller (USA) Charles Mendez (USA)^ |
March-BMW 82G | David Cowart | 68 | engine | GTP | 11 | 1:51.749 | |
| DNF | 2 | John Fitzpatrick (GB)
David Hobbs (GB)^ Wayne Baker (USA)^ |
Porsche 935K3-80 Kremer K4-01 | John Fitzpatrick | 59 | GTP | 2 | 1:44.122 | ||
| DNF | 0 | Ted Field (USA)
Danny Ongais (USA)^ Bill Whittington (USA)^ |
Porsche 935K3-80 Kremer K4-02 | Ted Field | 55 | engine | GTP | 9 | 1:48.821 | |
| DNF | 89 | Gary English (USA)
Jerry Thompson (USA)^ David Price (USA)^ |
Chevrolet Camaro Riggins | Herb Adams | 42 | GTO | 44 | 2:05.631 | ||
| DNF | 87 | Armando Ramirez (USA)
Steve Cook (USA) Bill Cooper (USA) |
Mazda RX-7 | Ralph Sanchez | 26 | GTU | 48 | 2:09.787 | ||
| DNF | 79 | Bob Bergstrom (USA)
Tom Winters (USA)^ Robert Overby (USA)^ |
Porsche 924 Carrera | Paul Gentilozzi | 12 | suspension | GTO | 22 | 2:01.220 | |
| DNF | 41 | Rusty Schmidt (USA)
Scott Schmidt (USA) Kerry Hitt (USA) |
Chevrolet Corvette | Starved Rock Lodge | 9 | GTO | 43 | 2:05.612 | ||
| DNF | 52 | Jack Swanson (USA)
Fred Snow (USA)^ Tom Cripe (USA)^ |
Porsche 911 | Ours & Hours Racing | 2 | engine | GTU | 65 | no time | |
| DNF | 11 | Dennis Aase (USA)
Chuck Kendall (USA)^ John Hotchkis Sr (USA)^ |
BMW M1 | Chuck Kendall | 1 | engine | GTO | 17 | 1:54.629 | |
| DNF | 47 | Bernard de Dryver (B)
Tom Davis (USA)^ Skip Scott (USA)* |
Ferrari 512BB 31589 | Tom Davis | 1 | GTP | 53 | no time | ||
| DNS | 00 | Bill Whittington (USA)
Ted Field (USA) |
Porsche 935K3-80 Kremer | Ted Field | GTP | 3 | 1:45.752 | |||
| DNS | 8 | John Paul Sr (USA)
John Paul Jr (USA)* Rolf Stommelen (D)* |
Porsche 935 JLP-2 Kremer 00000025 | John Paul Sr | GTP | 10 | 1:49.926 | |||
| DNS | 53 | Francisco Miguel (ES)
Guillermo Valiente (ES) Wenseslao Kreysa (ES) |
BMW CSL | Nemtex | wheel | GTP | 60 | no time | ||
| DNS | 74 | Del Russo Taylor (USA)
Bob Arego (USA) Wayne Dassinger (USA) Janis Taylor (USA) |
Chevron-Buick GTP | Mark Wagoner | GTP | 68 | no time | |||
| DNS | 16 | Steve Fitzpatrick (USA)
David Bogg (USA) Randy Renfrow (USA) |
Ford Mustang | Steve | engine | GTO | ||||
| DNS | 17 | Roger Bighouse (USA)
Billy Dingman (USA) John Gunn (USA)* |
Chevrolet Corvette | Billy Dingman | GTO | |||||
| DNS | 19 | Lance Van Every (USA)
Ash Tisdelle (USA) |
Porsche 911 Carrera RSR | Lance Van Every | engine | GTO | ||||
| DNS | 28 | Fred Stiff (USA)
Charles Morgan (USA) |
Datsun 280ZX | Charkes Morgan | GTU | |||||
| DNS | 33 | Al Bacon (USA)
John Ashford (USA) John Humphreys (USA) |
Porsche 911 Carrera | Al Bacon | GTO | |||||
| DNS | 39 | Rick Kump (USA)
Glenn Worthington (USA) Vinnie Hollar (USA) |
Chevrolet Camaro | Motion Plus | GTO | |||||
| DNS | 40 | Rudi Bartling (CDN)
David Deacon (CDN) Mike Freberg (CDN) |
BMW M1 | David Deacon | GTO | |||||
| DNS | 64 | C. C. Canada (USA)
Harry Cochran (USA) Boyd Franklin (USA) |
Chevrolet Camaro | C. C. Canada | engine | GTO | ||||
| DNS | 71 | David Goodell (USA)
Clifford Johnson (USA) |
Porsche 934 | Maverick Racing | GTO | |||||
| DNS | 81 | Steve Dietrich (USA)
Tom Blackaller (USA) Bruce Qvale (USA) |
Mazda RX-7 | Trinity Racing | GTU | |||||
| DNS | 82 | Jim Cook (USA)
John Casey (USA) |
Mazda RX-7 | Trinity Racing | GTU | |||||
| DNS | 93 | Uli Bieri (CDN)
Richard Stevens (CDN) Rick Bye (CDN) |
Porsche 911 | Uli Bieri | GTU | |||||
| DNS | 97 | Don Cummings (USA)
Ed Justis (USA) Tom Juckette (USA) |
Chevrolet Monza | Don Cummings | GTP | |||||
| DNS | 99 | Joe Cogbill Jr (USA)
Randy Lanier (USA) Michael Gassaway (USA) |
Chevrolet Camaro | Michael Gassaway | GTO | |||||
| DNS | 03 | Angelo Pallavicini (CH)
Neil Crang (AUS) John Sheldon (GB) |
Porsche 934 | Angelo Pallavicini | GTO | |||||
| DNS | 04 | Miguel Morejon (USA)
Tico Almeida (USA) Ernesto Soto (YV) |
Porsche 911 Carrera RSR | Almeida/Rodriguez | GTO | |||||
| DNS | 06 | Kerry Hitt (USA) | Chevrolet Corvette | Advanced Composites | GTO | |||||
| DNA | 3 | Carlo Facetti (I)
Martino Finotto (I) |
Ferrari 308GTB | Martino Finotto | GTP | |||||
| DNA | 10 | Bob Laub (USA)
Bob Leitzinger (USA) |
Pontiac Firebird | Gordon Oftedahl | GTO | |||||
| DNA | 22 | Ed Matthews (USA)
Dick Ferguson (USA) Bob Rutledge (USA) |
Porsche 935 | Ed Matthews | GTP | |||||
| DNA | 48 | Claude Ballot-Lena (F)
Jean-Claude Andruet (F) |
Ferrari 512BB | Tom Davis | GTP | |||||
| DNA | 90 | Bill Nelson Sr (USA)
Lojza Vosta (USA) |
Pontiac Firebird | Bill Nelson Sr | GTO | |||||
| DNA | 69 | Porsche 935 | J.L. & M. Enterprises | GTP |
| Winning Time: 24h03m05.301, 114.794 mph/184.742 kph |
| Fastest Lap: Hurley Haywood #86 (Porsche 935-80), 1m49.80, 125.902 mph/202.619 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) |