| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 9 | Bob Garretson (USA)
Bobby Rahal (USA) Brian Redman (GB) |
Porsche 935 K3 009 00030 | Cooke Woods Racing/Garretson Enterprises | 708 | 24:01:36,871 | 1. | GTX | 16. | 1:51,259 |
| 2. | 5 | Bob Akin (USA)
Craig Siebert (USA) Derek Bell (GB) |
Porsche 935 K3 009 00016 | Bob Akin Motor Racing | 695 | 24:01:36,875 | 2. | GTX | 8. | 1:47,503 |
| 3. | 62 | Bill Koll (USA)
Jeff Kline (USA) Rob McFarlin (USA) |
Porsche 911SC | BBS - Kegel Enterprises San Diego | 644 | 1. | GTU | 31. | 2:02,603 | |
| 4. | 23 | Dick Davenport (USA)
Frank Carney (USA) Rameau Johnson (USA) |
Datsun 280ZX | Frank Carney | 626 | 2. | GTU | 42. | 2:05,829 | |
| 5. | 24 | Martino Finotto (I)
Emanuele Pirro (I) Carlo Facetti (I) |
Lancia Beta Montecarlo Turbo 1010 | Jolly Club Italia | 609 | 3. | GTX | 21. | 1:57,051 | |
| 6. | 14 | Hans-Joachim Stuck (D)
Alf Gebhardt (USA) Walter Brun (CH) |
BMW M1 ex-Quester | Bavarian Motors International | 608 | 1. | GTO | 19. | 1:54,122 | |
| 7. | 98 | Lee Mueller (USA)
Kathy Rude (USA) Philippe Martin (B) |
Mazda RX-7 | Kent Racing | 606 | 3. | GTU | 32. | 2:02,750 | |
| 8. | 84 | "Jamsal" (ES)
Eduardo Barrientos (ES) Carlos Gonzalez (ES) |
Porsche 935 930 670 0171 | Scorpio Racing | 595 | 4. | GTX | 24. | 1:57,750 | |
| 9. | 55 | Roger Mandeville (USA)
Amos Johnson (USA) Diego Febles (PR) |
Mazda RX-7 | Mandeville Racing | 595 | 4. | GTU | 54. | 2:08,774 | |
| 10. | 7 | Walt Bohren (USA)
Jim Mullen (USA) J. Kurt Roehrig (USA) |
Mazda RX-7 | Kent Racing | 589 | 5. | GTU | 33. | 2:02,796 | |
| 11. | 50 | Scott Hoerr (USA)
Irv Hoerr (USA) Jim Downing (USA) |
Mazda RX-7 | Downing Maffucci Racing | 585 | 6. | GTU | 56. | 2:09,683 | |
| 12. | 58 | Pete Smith (USA)
Chuck Kendall (USA) Steve Earle (USA) |
Porsche Carrera RSR | Chuck Kendall | 585 | 2. | GTO | 38. | 2:04,642 | |
| 13. | 45 | M. L. Speer (USA)
Dwight Mitchell (USA) Ray Ratcliff (USA) |
Porsche 914/6 | Autosport Technology | 581 | 7. | GTU | 58. | 2:10,885 | |
| 14. | 07 | Ludwig Heimrath (CDN)
Ludwig Heimrath, Jr. (CDN) Carlos Moran (ES)* |
Porsche 935 | Heimrath Racing | 575 | 5. | GTX | 17. | 1:51,365 | |
| 15. | 34 | George Drolsom (USA)
Rob Hoskins (USA) Bill Johnson (USA) |
Porsche Carrera | Drolsom Racing | 563 | 3. | GTO | 62. | 2:11,520 | |
| 16. | 2 | David Hobbs (GB)
Marc Surer (CH) Dieter Quester (A) |
BMW M1 | BMW North America | 555 | 6. | GTX | 20. | 1:55,480 | |
| 17. | 27 | Steve Southard (USA)
Jay Kjoller (USA) Jean Kjoller (USA) |
Porsche Carrera | Steve Southard | 548 | 4. | GTO | 61. | 2:11,318 | |
| 18. | 3 | Riccardo Patrese (I)
Hans Heyer (D) Henri Pescarolo (F) Andrea de Cesaris (I)* Beppe Gabbiani (I)* |
Lancia Beta Montecarlo Turbo 1011 | Martini Racing | 545 | 7. | GTX | 11. | 1:49,430 | |
| 19. | 42 | Nort Northam (USA)
Ed Kuhel (USA) Dick Neland (USA) |
Chevrolet Camaro | Kend | 532 | 5. | GTO | 55. | 2:08,920 | |
| NRF | 04 | Tico Almeida (USA)
Rene Rodriguez (USA) Miguel Morejon (C) Fred Flaquer (USA)* |
Porsche Carrera | Almeida/Rodriguez | 526 | Engine | 6. | GTO | 35. | 2:03,462 |
| 21. | 02 | John Morton (USA)
Tom Klausler (USA) |
Ford Mustang | Firestone | 517 | 8. | GTX | 71. | no time | |
| 22. | 36 | Paul Miller (USA)
Pat Bedard (USA) Skeeter McKitterick (USA) Johnny Rutherford (USA)* |
Porsche 924 Carrera GTR Turbo | Herman/Miller | 515 | 7. | GTO | 41. | 2:05,569 | |
| NRF | 82 | Bob Bergstrom (USA)
John Casey (USA) Jim Cook (USA) |
Mazda RX-7 | Trinity Racing | 513 | 8. | GTU | 30. | 2:02,556 | |
| NRF | 51 | Rolf Stommelen (D)
Howard Meister (USA) Harald Grohs (D) |
Porsche 935 K3 930 890 0013 | Andial Meister Racing | 500 | Electrics => fire | 9. | GTX | 1. | 1:43,104 |
| NC | 16 | Jim Burt (USA)
Douglas Grunnet (USA) Steve Paquette (CDN) |
Mazda RX-7 | Corp Racing | 471 | 9. | GTU | 67. | 2:13,604 | |
| NC | 52 | Tom Cripe (USA)
Dick Gauthier (USA) Jack Swanson (USA) Fred Snow (USA)* |
Porsche 911 | Beach Ball Racing | 450 | 10. | GTU | 68. | 2:13,692 | |
| NC | 43 | Bob Young (USA)
Len Jones (USA) Bob Gregg (USA) |
Porsche Carrera | Bob Gregg | 446 | 8. | GTO | 44. | 2:06,134 | |
| NC | 81 | Tom Winters (USA)
Steve Dietrich (USA) Carter Alsop (USA) |
Mazda RX-7 | Trinity Racing | 429 | 11. | GTU | 63. | 2:12,007 | |
| NC | 70 | Chris Doyle (USA)
Hubert Phipps (USA) Robert Overby (USA) |
Mazda RX-7 | Chris Doyle | 429 | 12. | GTU | 49. | 2:06,765 | |
| NC | 46 | Honorato Espinosa (CO)
Pedro DeNarvaez (CO) Jorge Cortes (CO) |
Porsche Carrera | Pedro DeNarvaez | 385 | 9. | GTO | 36. | 2:04,348 | |
| DNF | 65 | Tony Adamowicz (USA)
Rick Knoop (USA) |
Ferrari 512 BB 34445 | Ron Spangler | 373 | Accident | 10. | GTX | 23. | 1:57,664 |
| DNF | 01 | Siegfried Brunn (D)
Robert Kirby (USA) John Hotchkis (USA) |
Porsche Carrera | Kirby/Hitchcock | 361 | 10. | GTO | 57. | 2:09,908 | |
| DNF | 25 | Kenper Miller (USA)
Dave Cowart (USA) Ricardo Londono (CO) |
BMW M1 | Red Lobster Racing | 346 | Engine | 11. | GTO | 22. | 1:57,108 |
| DNF | 30 | Gianpiero Moretti (I)
Charles Mendez (USA) Mauricio DeNarvaez (CO) |
Porsche 935J 930 890 0014 | Momo Racing | 339 | Accident | 11. | GTX | 7. | 1:46,950 |
| DNF | 57 | Jeff Scott (USA)
David Goodell (USA) Volker Bruckmann (USA) Wayne Baker (USA)* |
Porsche 914/6 | Personalized Autohaus | 339 | 13. | GTU | 59. | 2:10,933 | |
| DNF | 71 | Philip Keirn (USA)
Gail Engle (USA) Bard Boand (USA) |
Chevrolet Corvette | Philip Keirn | 328 | Electrics | 12. | GTO | 50. | 2:07,113 |
| DNF | 67 | Dennis Shaw (USA)
Steve Whitman (USA) Les Blackburn (GB) |
AMC Spirit AMX | Amos Johnson | 303 | 13. | GTO | 48. | 2:06,703 | |
| DNF | 03 | Angelo Pallavicini (CH)
John Sheldon (GB) Neil Crang (AUS) |
Porsche 934 930 670 0178 | Angelo Pallavicini | 290 | 14. | GTO | 40. | 2:05,276 | |
| DNF | 0 | Ted Field (USA)
Milt Minter (USA) Danny Ongais (USA) |
Porsche 935 K3/80 000 00010 | Interscope Racing | 287 | Accident | 12. | GTX | 10. | 1:45,575 |
| DNF | 11 | Al Holbert (USA)
Rick Mears (USA) Doc Bundy (USA) |
Porsche 924 Carrera GTR Turbo | Al Holbert | 263 | Engine | 15. | GTO | 26. | 1:58,597 |
| DNF | 4 | Michele Alboreto (I)
Piercarlo Ghinzani (I) Beppe Gabbiani (I) Eddie Cheever (USA)* Henri Pescarolo (F)* |
Lancia Beta Montecarlo Turbo 1009 | Martini Racing | 235 | Valve | 13. | GTX | 14. | 1:51,162 |
| DNF | 86 | Hurley Haywood (USA)
Jürgen Barth (D) Bruce Leven (USA) |
Porsche 935/80 000 00024 | Bayside Disposal Racing | 232 | 14. | GTX | 4. | 1:46,322 | |
| DNF | 78 | Clark Howey (USA)
Tracy Wolf (USA) Dale Koch (USA) |
Chevrolet Camaro | Tracy Wolf | 208 | 16. | GTO | 37. | 2:04,465 | |
| DNF | 19 | Lance Van Every (USA)
Ash Tisdelle (USA) Rusty Bond (USA) |
Porsche Carrera RSR | Van Every Racing | 194 | Accident | 17. | GTO | 47. | 2:06,685 |
| DNF | 20 | Chris Cord (USA)
Jim Adams (USA) Bruce Jenner (USA)* |
Chevrolet Monza Turbo DeKon 1012 | Chris Cord Racing | 191 | 15. | GTX | 13. | 1:50,610 | |
| DNF | 80 | Maurice Carter (CDN)
Eppie Wietzes (CDN) Richard Valentine (USA) |
Chevrolet Camaro | Maurice Carter | 188 | Accident | 16. | GTX | 12. | 1:50,038 |
| DNF | 38 | Ron Case (USA)
Dave Panaccione (USA) Ren Tilton (USA) Craig Case (USA)* |
Porsche 911 | Case Racing | 169 | Gearbox | 14. | GTU | 65. | 2:12,256 |
| DNF | 1 | John Fitzpatrick (GB)
Jim Busby (USA) Bob Wollek (F) |
Porsche 935 K3/80 000 00011 | John Fitzpatrick Racing | 167 | Engine | 17. | GTX | 2. | 1:44,735 |
| DNF | 22 | Wayne Baker (USA)
Dan Gilliland (USA) Frank Harmstad (USA) |
Porsche 914/4 | Personalized Autohaus | 143 | 15. | GTU | 53. | 2:08,255 | |
| DNF | 33 | Harro Zitza (USA)
Doug Zitza (USA) Ara Dube (USA) |
Porsche 914/6 | Zotz Garage | 128 | 16. | GTU | 64. | 2:12,135 | |
| DNF | 17 | Bruno Beilcke (USA)
Kurt König (D) Rudi Walch (D) |
BMW 3.5 CSL | Bavarian Motors International | 126 | 18. | GTO | 29. | 2:00,999 | |
| DNF | 37 | Pepe Romero (USA)
Mandy Gonzalez (PR) Luis Mendez (DR) Monte Shelton (USA)* |
Porsche 935J 930 990 0032 | Pepe Romero | 121 | Steering | 18. | GTX | 25. | 1:57,964 |
| DNF | 40 | Rudy Bartling (CDN)
Mike Freberg (CDN) David Deacon (CDN) |
BMW M1 | David Deacon Racing | 118 | 19. | GTO | 27. | 1:58,990 | |
| DNF | 54 | Tony Garcia (USA)
Albert Naon (USA) Luis Sereix (USA) |
Porsche Carrera | Montura Racing | 112 | Engine | 20. | GTO | 34. | 2:03,381 |
| DNF | 99 | Dave Heinz (USA)
Chris Gleason (USA) Joe Cogbill (USA) Mike Gassaway (USA)^ |
Chevrolet Camaro | Gassaway/Oftedahl | 108 | Accident | 21. | GTO | 28. | 1:59,782 |
| DNF | 60 | Vicki Smith (USA)
Sam Miller (USA) Bob Lee (USA) |
AMC AMX | Bob's Speed Products | 87 | 22. | GTO | 60. | 2:11,239 | |
| DNF | 94 | Don Whittington (USA)
Bill Whittington (USA) Dale Whittington (USA) |
Porsche 935 K3 930 670 0152 | Whittington Brothers Racing | 84 | Engine | 19. | GTX | 9. | 1:48,898 |
| DNF | 75 | Eddy Joosen (B)
Dirk Vermeersch (B) Jean-Paul Libert (B) Carlos Ramirez (USA)* |
Mazda RX-7 | Z & W Enterprises | 83 | Differential | 23. | GTO | 69. | 2:17,093 |
| DNF | 6 | Volkert Merl (D)
Jochen Mass (D) Reinhold Jöst (D)^ |
Porsche 935J 000 00012 | Joest Racing | 59 | Accident | 20. | GTX | 3. | 1:46,135 |
| DNF | 18 | John Paul (USA)
John Paul, Jr. (USA) Gordon Smiley (USA)^ |
Porsche 935 JLP-2 JLP-2 | JLP Racing | 53 | Piston | 21. | GTX | 5. | 1:46,889 |
| DNF | 44 | Terry Labonte (USA)
David Pearson (USA) Billy Hagan (USA)^ |
Chevrolet Camaro | Stratagraph | 50 | Engine | 22. | GTX | 18. | 1:53,945 |
| DNF | 87 | George Stone (USA)
Bob Beasley (USA)^ Werner Frank (USA)^ |
Porsche Carrera | George Beasley | 48 | Accident | 24. | GTO | 39. | 2:05,185 |
| DNF | 15 | Doug Lutz (USA)
Robin Boone (USA) Dave White (USA)^ Thomas Hessert (USA)* |
Porsche Carrera | Doug Lutz | 47 | Accident | 25. | GTO | 52. | 2:07,308 |
| DNF | 09 | Preston Henn (USA)
Bob Bondurant (USA) Dale Whittington (USA)^ Don Whittington (USA)* David Pearson (USA)* |
Porsche 935 K3 000 0009 | Preston B. Henn | 30 | Engine | 23. | GTX | 15. | 1:51,167 |
| DNF | 28 | Sam Posey (USA)
Fred Stiff (USA) |
Datsun 280ZX | NTS Racing | 29 | Oil pressure | 26. | GTO | 70. | no time |
| DNF | 66 | Jack Dunham (USA)
John Maffucci (USA) Stanton Barrett (USA)^ |
Mazda RX-7 | Downing/Maffucci | 20 | 17. | GTU | 43. | 2:06,115 | |
| DNF | 49 | Bob Speakman (USA)
Al Cosentino (USA)^ Craig Fisher (CDN)* |
Mazda RX-7 | Alfred Cosentino | 12 | 18. | GTU | 66. | 2:12,418 | |
| DNF | 06 | Pete Halsmer (USA)
Joe Crevier (USA)^ Al Unser, Jr. (USA)^ |
Ferrari 365 GTB/4 16407 | Jo Crevier | 9 | Fuel line, fire | 27. | GTO | 45. | 2:06,344 |
| DNF | 10 | Carlo Facetti (I)
Martino Finotto (I)^ |
Ferrari 308 GTB Turbo | Jolly Club / Carma FF | 4 | Electrics | 24. | GTX | 6. | 1:46,914 |
| DNS | 00 | Ted Field (USA)
Danny Ongais (USA) Milt Minter (USA) |
Porsche 935 K3/80 000 00026??? | Interscope Racing | Alternate car | GTX | 1:44,424 | |||
| DNS | 05 | Tico Almeida (USA)
Rene Rodriguez (USA) Fred Flaquer (USA) |
Porsche Carrera | Almeida/Rodriguez | GTO | 51. | 2:07,256 | |||
| DNS | 69 | Ralston Long (USA)
Kal Showket (USA) Bob McGraw (USA) |
Plymouth Volare | Kirby/Hitchcock | GTO | |||||
| DNS | 88 | Herb Adams (USA)
Jerry Thompson (USA) Don Sherman (USA) |
Chevrolet Camaro | Herb Adams | Accident | GTO | 46. | 2:06,640 | ||
| DNS | 89 | Klaus Bitterauf (USA)
James Moxley (USA) Jim Leo (USA) |
Porsche 911S | Klaus Bitterauf | GTU | |||||
| DNQ | 97 | Don Cummings (USA)
Bill McDill (USA) Guido Levetto (USA) |
Shelby GT350 | Don Cummings | GTO | |||||
| DNA | 8 | John Paul, Jr. (USA)
Gordon Smiley (USA) |
Porsche 935 JLP-3 JLP-3 | JLP Racing | GTX | |||||
| DNA | 12 | Porsche 924 Turbo | Al Hobert | GTO | ||||||
| DNA | 13 | Charlie Kemp (USA)
Art Pasmas (USA) Carson Baird (USA) |
Ford Cobra II | Charlie Kemp | GTX | |||||
| DNA | 21 | Bill Shaw (USA)
Bud Cashen (USA) |
Lotus Esprit S1 | CACI | GTU | |||||
| DNA | 22 | Paul Canary (USA)
Richard Valentine (USA) |
McLaren M12 GT Chevrolet 60-05 | Paul Canary Racing | GTX | |||||
| DNA | 26 | Tom Nehl (USA)
Milton Moise (USA) Patty Moise (USA) |
Chevrolet Camaro | Famous Amos | GTO | |||||
| DNA | 31 | Anatoly Arutunoff (USA)
José Marina (USA) |
Lancia Stratos | Anatoly Arutunoff | GTU | |||||
| DNA | 32 | Vincent P. Collins (USA)
Paul Nacol (USA) Lojza Vosta (USA) |
AVO-Mazda 13 | Vincent P. Collins | GTX | |||||
| DNA | 39 | Glenn Worthington (USA)
Rick Kump (USA) Vinnie Hollar (USA) |
Chevrolet Camaro | Motion Plus | GTX | |||||
| DNA | 53 | Don Nooe (USA)
Jim Stricklin (USA) John Eckelberry (USA) |
Chevrolet Corvette | Don Nooe | GTO | |||||
| DNA | 56 | Rick Borlase (USA)
Michael Hammond (USA) Don Kravig (USA) |
Porsche Carrera | Rick Borlase | GTO | |||||
| DNA | 61 | C. C. Canada (USA)
Earle Moffitt (USA) |
Chevrolet Corvette | Sharkshin Racing | GTO | |||||
| DNA | 63 | Dale Kreider (USA)
Bill Nelson (USA) |
Pontiac Firebird | Bill Nelson | GTO | |||||
| DNA | 64 | C. C. Canada (USA)
Graham Shaw (USA) |
Chevrolet Camaro | Sharkshin Racing | GTO | |||||
| DNA | 73 | Jean-Paul Libert (B)
Hervé Regout (B) Jean Xhenceval (B) |
Mazda RX-7 GTP | Z & W Enterprises | GTX | |||||
| DNA | 74 | Pierre Honegger (USA)
Pierre Dieudonné (B) Ernesto Soto (YV) |
Mazda RX-7 GTP | Z & W Enterprises | GTX | |||||
| DNA | 76 | Armando Rodriguez (USA)
Chiqui Soldevilla (PR) Ralph Sanchez (USA) |
Mazda RX-7 | Ralph Sanchez | GTU | |||||
| DNA | 77 | Del Russo Taylor (USA)
Rex Ramsey (USA) Ernie Smith (USA) |
Chevron GTP Alfa Romeo | Vince Thompson | GTX | |||||
| DNA | 79 | Michael Keyser (USA)
Don Devendorf (USA) |
Ferrari 365 GT4/BB 17577 | Don Devendorf | GTX | |||||
| DNA | 85 | Bruce Leven (USA)
Hurley Haywood (USA) Jürgen Barth (D) |
Porsche 935/77A | Bayside Disposal Racing | GTX | |||||
| DNA | 90 | Roy Woods (USA)
Ralph Kent-Cooke (USA) Brian Redman (GB) |
Porsche 935 K3 009 0005 | Cooke - Woods Racing | GTX | |||||
| DNA | 91 | Roger Schramm (USA)
Werner Frank (USA) |
Porsche Carrera RSR 911 460 0075?? | Framm Promotions | GTO | |||||
| DNA | 93 | Don Whittington (USA)
Bill Whittington (USA) Dale Whittington (USA) |
Porsche 935/79 | Whittington Brothers Racing | GTX | |||||
| DNA | 95 | Don Cummings (USA)
Tom Juckette (USA) Emory Donaldson (USA) |
Chevrolet Monza | Don Cummings | GTX | |||||
| DNA | 96 | Scott Smith, Jr. (USA)
Mike Gassaway (USA) Jim Miller (USA) |
Datsun 240Z | Scott Smith, Jr. | GTU |
| Winning Time: 24h01m36.871, 113.153 mph/182.102 kph |
| Fastest Lap: Carlo Facetti #10 (Ferrari 308GTB), 1m48.14, 127.834 mph/205.729 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) |