| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 59 | Peter Gregg (USA)
Brian Redman (GB) John Fitzpatrick (GB) |
BMW 3.5 CSL | BMW of North America | 545 | 20:06:53,635 | 1. | GTO | 1. | 1:56,550 |
| 2. | 14 | Al Holbert (USA)
Claude Ballot-Léna (F) |
Porsche Carrera RSR 911 460 9056 | George Dickinson/Holbert Porsche-Audi | 531 | 20:09:40,813 | 2. | GTO | 5. | 1:59,607 |
| 3. | 61 | Jim Busby (USA)
Hurley Haywood (USA) |
Porsche Carrera | Brumos Porsche | 530 | 3. | GTO | 28. | 2:06,923 | |
| 4. | 56 | Bob Hagestad (USA)
Jerry Jolly (USA) |
Porsche Carrera RSR 911 460 9057 | Bob Hagestad | 510 | 4. | GTO | 15. | 2:02,653 | |
| 5. | 92 | Mike Tillson (USA)
Dieter Oest (USA) Bruce Jennings (USA) |
Porsche Carrera | Oest/Tillson | 508 | 5. | GTO | 40. | 2:11,261 | |
| 6. | 71 | Chris Cord (USA)
Jim Adams (USA) Milt Minter (USA) |
Ferrari 365 GTB/4 16685 | Ken Starbird | 500 | 6. | GTO | 34. | 2:10,186 | |
| 7. | 42 | Bob Hindson (USA)
Dick Davenport (USA) Frank Carney (USA) |
Porsche 911S | BHR Porsche | 495 | 1. | GTU | 38. | 2:11,122 | |
| NRF | 43 | John Graves (USA)
John O'Steen (USA) Dave Helmick (USA) |
Porsche Carrera | Dave Helmick | 493 | 7. | GTO | 16. | 2:02,786 | |
| 9. | 99 | Phil Currin (USA)
Cliff Gottlob (USA) Peter Knab (USA) |
Chevrolet Corvette | Phil Currin | 483 | 8. | GTO | 24. | 2:05,576 | |
| 10. | 24 | David Hobbs (GB)
Benny Parsons (USA) |
BMW 3.5 CSL | BMW of North America | 481 | 9. | GTO | 2. | 1:57,427 | |
| 11. | 29 | Charles Mendez (USA)
Dave Cowart (USA) Dave Panaccione (USA) |
Porsche 911T | Charles Mendez | 480 | 2. | GTU | 37. | 2:10,958 | |
| 12. | 12 | Dieter Schmid (D)
Wilhelm Bartels (D) Heinz Martin (D) Egon Evertz (D) |
Porsche Carrera | Sepp Greger | 475 | 1. | Gr.5 | 35. | 2:10,564 | |
| 13. | 51 | John Hotchkis (USA)
Robert Kirby (USA) Len Jones (USA) |
Porsche 914/6 | Max Dial | 467 | 3. | GTU | 42. | 2:11,562 | |
| 14. | 60 | Rusty Bond (USA)
Ren Tilton (USA) John Belperche (USA) |
Porsche 911S | Rusty Bond | 465 | 4. | GTU | 68. | no time | |
| NRF | 25 | John Fitzpatrick (GB)
Tom Walkinshaw (GB) Les Blackburn (GB)* |
BMW 3.5 CSL | BMW of North America | 457 | 10. | GTO | 3. | 1:58,436 | |
| 16. | 21 | David Pearson (USA)
Larry Pearson (USA) Gary Bowsher (USA) Jim Bowsher (USA) |
Ford Torino | Jack Bowsher | 442 | 1. | G.I. | 17. | 2:02,804 | |
| 17. | 84 | Ara Dube (USA)
Harro Zitza (USA) Doug Zitza (USA) |
Porsche 911S | Mike Meldeau | 441 | 5. | GTU | 59. | 2:27,344 | |
| 18. | 90 | Ray Walle (USA)
Tom Reddy (USA) Bill Scott (USA) |
Mazda Cosmo | Ray Walle | 415 | 6. | GTU | 65. | 2:45,796 | |
| 19. | 48 | James Hylton (USA)
Richard Childress (USA) |
Chevrolet Laguna | James Hylton | 414 | 2. | G.I. | 30. | 2:08,157 | |
| 20. | 81 | Hans Berner (CDN)
Willy Goebbels (CDN) Fritz Hochreuter (CDN) |
Porsche 911S | Motex Auto | 412 | 7. | GTU | 48. | 2:15,141 | |
| 21. | 65 | Paul May (USA)
Lee Mueller (USA) David Sauers (USA) |
Porsche 911S | Stephen Isett | 409 | 8. | GTU | 55. | 2:20,618 | |
| 22. | 15 | Javier Garcia (USA)
George Garcia (USA) Manuel Garcia (C) |
Chevrolet Corvette Greenwood 006 | Garcia Brothers | 399 | 11. | GTO | 4. | 1:59,389 | |
| 23. | 54 | Alex Job (USA)
Steve Southard (USA) Hal Sahlman (USA) |
Porsche 914/6 | Spirit Racing | 392 | 9. | GTU | 66. | 2:52,294 | |
| NC | 35 | Ted Mathey (USA)
Joe Chamberlain (USA) Arnstein Loyning (USA) Carl Shafer (USA)^ |
Chevrolet Corvette | Ted Mathey | 380 | 12. | GTO | 10. | 2:01,873 | |
| NC | 1 | Jim Westphal (USA)
Anatoly Arutunoff (USA) Brian Goellnicht (USA) Bill Spreadbury (USA)^ Alf Zellmer (D)^ Payne^ |
BMW 2002 TI | Louis McAlpine | 369 | 10. | GTU | 64. | 2:45,428 | |
| NC | 89 | Don Parish (USA)
Dave Causey (USA) Wayne Nelson (USA) |
Porsche 911S | Barrick Motor Racing | 359 | 11. | GTU | 53. | 2:17,435 | |
| NC | 52 | Bob Bergstrom (USA)
Bill Shaw (USA) Martin Palmer (USA) |
Honda Civic | CACI | 352 | 12. | GTU | 62. | 2:39,877 | |
| DNF | 04 | Hershel McGriff (USA)
Doug McGriff (USA) |
Chevrolet Nova | Hershel McGriff | 336 | 3. | G.I. | 26. | 2:06,087 | |
| NC | 40 | Sam Fillingham (USA)
Bud Sherk (USA) |
Chevrolet Corvette | Sam Fillingham | 336 | 13. | GTO | 33. | 2:09,672 | |
| DNF | 7 | Makoto Kamazuka (J)
Masashi Fukuda (J) Ron Cortez (USA) |
Mazda RX-3 | Glen Marckwardt | 331 | 13. | GTU | 57. | 2:23,481 | |
| DNF | 97 | Juan Carlos Bolanos (MEX)
Billy Sprowls (USA) Gustavo Bolanos (MEX) |
Porsche Carrera | Juan Carlos Bolanos | 318 | 14. | GTO | 27. | 2:06,878 | |
| DNF | 41 | Herb Jones, Jr. (USA)
Steve Faul (USA) |
Chevrolet Camaro | Jones Industries Racing | 301 | 15. | GTO | 14. | 2:02,514 | |
| NC | 33 | Glenn Francis (USA)
Randy Bebout (USA) |
Chevrolet Chevelle | Glenn Francis | 301 | 4. | G.I. | 29. | 2:07,864 | |
| DNF | 76 | Mike Brockman (USA)
John Greenwood (USA) |
Chevrolet Corvette | Greenwood Customercar Levitt Racing | 298 | 16. | GTO | 8. | 2:00,766 | |
| NC | 80 | Carm Solomone (USA)
Ed Maksym (USA) James Halverson (USA) |
Chevrolet Camaro | Carmon Solomone | 291 | 17. | GTO | 52. | 2:16,955 | |
| NC | 36 | Rainer Brezinka (CDN)
Gary Hirsch (CDN) Brian Hardacre (CDN) |
Porsche 911S | Rainer Brezinka | 286 | 14. | GTU | 54. | 2:19,044 | |
| DNF | 75 | Bob Christiansen (USA)
Billy Hagan (USA) Gary Myers (USA)* |
Chevrolet Camaro | Robert Christiansen | 282 | 18. | GTO | 25. | 2:05,879 | |
| NC | 0 | William Frates (USA)
Craig Ross (USA) Spencer Buzbee (USA) |
Datsun 240Z | William Frates | 274 | 15. | GTU | 50. | 2:16,632 | |
| DNF | 19 | Henley Gray (USA)
Bob Burcham (USA) |
Chevrolet Laguna | Henley Gray | 268 | 5. | G.I. | 69. | no time | |
| DNF | 85 | John Hulen (USA)
Ron Coupland (USA) Nick Engels (USA) Evan Noyes (USA)^ |
Porsche 914/6 | John E. Hulen | 267 | 16. | GTU | 49. | 2:15,693 | |
| DNF | 11 | Egon Evertz (D)
Sepp Greger (D) Jürgen Lässig (D) |
Porsche 934 930 670 0155 | Sepp Greger | 250 | 2. | Gr.5 | 11. | 1:59,205 | |
| DNF | 08 | Mike Williamson (USA)
Keith Swope (USA) |
AMC Gremlin | Peak Oil | 246 | 19. | GTO | 70. | no time | |
| DNF | 22 | Denny Long (USA)
Bill Jobe (USA) Tim Startup (USA) |
Chevrolet Corvette | Denny Long | 244 | 20. | GTO | 22. | 2:04,903 | |
| DNF | 55 | Joe Ruttman (USA)
Buddy Baker (USA) Stephen Behr (USA) |
Dodge Dart | Car & Driver | 240 | 21. | GTO | 21. | 2:04,900 | |
| DNF | 34 | George Drolsom (USA)
Bob Nagel (USA) |
Porsche 911S | George Drolsom | 200 | 17. | GTU | 45. | 2:13,210 | |
| DNF | 74 | Ludwig Heimrath (CDN)
Jacques Bienvenue (CDN) Norm Ridgely (CDN) |
Porsche Carrera RSR | Ludwig Heimrath | 189 | 22. | GTO | 20. | 2:03,801 | |
| DNF | 9 | Bruce Mabrito (USA)
Jack Steel (USA) |
Datsun 240Z | Bruce Mabrito | 185 | 18. | GTU | 58. | 2:26,050 | |
| DNF | 10 | Alf Zellmer (D)
Brian Goellnicht (USA) Bill Alsup (USA) Jim Westphal (USA)^ |
BMW 2002 TI | Louis McAlpine | 181 | 19. | GTU | 63. | 2:41,282 | |
| DNF | 50 | Fred van Beuren, Jr. (MEX)
Guillermo Rojas (MEX) Andres Contreras (MEX) |
Porsche Carrera | Hector Rebaque, Sr. | 172 | 23. | GTO | 19. | 2:03,185 | |
| DNF | 68 | Mike Meldeau (USA)
Bill McDill (USA) John Tremblay (USA) |
Chevrolet Camaro | Mike Meldeau | 172 | 24. | GTO | 18. | 2:03,162 | |
| DNF | 46 | Jose A. Daher (MEX)
Alfonso Leal (MEX) Jose Madero (MEX) Jaime Daher (MEX)* |
Ford Mustang | Jose Antonio Daher | 168 | 25. | GTO | 47. | 2:15,124 | |
| DNF | 67 | Dave White (USA)
Frank Harmstad (USA) David McClain (USA)^ |
Porsche 914/6 | David McClain | 148 | 20. | GTU | 46. | 2:13,999 | |
| DNF | 98 | Ed Negre (USA)
Bob Mitchell (USA) Arturo Merzario (I) Gary Matthews (USA)* |
Dodge Charger | Ed Negre | 144 | 6. | G.I. | 44. | 2:13,185 | |
| DNF | 44 | Mauricio DeNarvaez (CO)
Albert Naon (USA) John Freyre (USA)^ |
Porsche Carrera | Mauricio DeNarvaez | 141 | 26. | GTO | 23. | 2:05,563 | |
| DNF | 49 | Neil Potter (USA)
Bob Gray (USA) Luis Sereix (USA) |
Ford Mustang | Neil Potter | 139 | 27. | GTO | 51. | 2:16,919 | |
| DNF | 2 | Bobby Allison (USA)
Donnie Allison (USA) |
Chevrolet Nova | Bobby Allison | 137 | 7. | G.I. | 13. | 2:02,241 | |
| DNF | 18 | Terry Wolters (USA)
Charles Gano (USA) Joe Castellano (USA) |
Chevrolet Camaro | Terry Wolters | 122 | 28. | GTO | 56. | 2:20,625 | |
| DNF | 53 | Arthur Mollin (USA)
Bob Speakman (USA) Michael Gatoff (USA)^ |
Volvo 142S | Arthur Mollin | 121 | 21. | GTU | 61. | 2:31,626 | |
| DNF | 20 | Richard Weiss (USA)
Michael Oleyar (USA) Jerry Karl (USA) Doug Henson (USA)* |
Porsche 911S | Richard Weiss | 94 | 29. | GTO | 36. | 2:10,697 | |
| DNF | 91 | Harold Miller (USA)
John Ray (USA) |
Chevrolet Chevelle | Debra Lynn Miller | 66 | 8. | G.I. | 32. | 2:09,356 | |
| DNF | 72 | Bill Arnold (USA)
Al Levenson (USA) Tom Brown (USA)^ |
Chevrolet Corvette | Bill Arnold | 55 | 30. | GTO | 41. | 2:11,331 | |
| DNF | 86 | Hugh Kleinpeter (USA)
Ron Goldleaf (USA) |
De Tomaso Pantera | Hugh Kleinpeter | 42 | 31. | GTO | 9. | 2:01,530 | |
| DNF | 88 | Maurice Carter (CDN)
Gilles Villeneuve (CDN)^ |
Chevrolet Camaro | Maurice Carter | 34 | 32. | GTO | 12. | 2:01,092 | |
| DNF | 4 | Stephen Bond (USA)
Dale Kreider (USA) |
Pontiac Astre | Bill Nelson, Sr. | 28 | 33. | GTO | 67. | 3:00,521 | |
| DNF | 47 | Bill Bean (USA)
Jack Ansley (USA)^ William Grainger (USA)* |
Porsche 911S | Williams Grainger | 21 | 22. | GTU | 31. | 2:08,437 | |
| DNF | 28 | Brian Goellnicht (USA)
Anatoly Arutunoff (USA) José Marina (USA)^ |
Lotus Europa | Anatoly Arutunoff | 20 | 23. | GTU | 71. | no time | |
| DNF | 64 | C. C. Canada (USA)
Russ Boykin (USA)^ |
Chevrolet Camaro | C. C. Canada | 17 | 34. | GTO | 39. | 2:11,245 | |
| DNF | 93 | Larry Flynn (USA)
Bobbie Johnson (USA) Jim Logan (USA)* |
Chevrolet Camaro | Jim E. Logan | 17 | 35. | GTO | 72. | no time | |
| DNF | 73 | Clark Howey (USA)
Tony Kester (USA)^ David Crabtree (USA)^ |
Chevrolet Corvette | Clark Howey | 15 | 36. | GTO | 43. | 2:12,323 | |
| DNF | 23 | Charlie Kemp (USA)
Sam Posey (USA)^ Carson Baird (USA)^ |
Ford Mustang II | Charlie Kemp | 6 | 1. | LM GTX | 73. | no time | |
| DNF | 30 | George Dyer (USA)
Michael Keyser (USA)^ |
Porsche Carrera RSR 911 460 9048 | Heufeld Porsche | 5 | 37. | GTO | 7. | 2:00,656 | |
| DNF | 6 | Nick Craw (USA)
Ray Korman (USA)^ Joe Peacock (USA)^ |
BMW 2002 TI | Miller/Norburn | 1 | 24. | GTU | 60. | 2:27,878 | |
| DNS | 66 | Tom Nehl (USA)
Stephen Behr (USA) |
Chevrolet Monza King | Tom Nehl | GTO | 6. | 2:00,334 | |||
| DNS | 96 | Mike Williamson (USA)
Lawrence P. Pleasants (USA) John Emig (USA) Robert Dula (USA) |
Chevrolet Camaro | Mike Williamson | GTO | no time | ||||
| DNA | 00 | Bobby Mausgrover (USA) | Chevrolet Chevelle | Bobby Mausgrover | G.I. | |||||
| DNA | 01 | Earle Canavan (USA) | Dodge Charger | Earle Canavan | G.I. | |||||
| DNA | 17 | Terry Herman (USA)
Mark Felsen (USA) |
Ferrari 308 GTB | Terry Herman | LM GTX | |||||
| DNA | 32 | Richard C. Hughes (USA)
George Rollin (USA) Robert Whitaker (USA) |
Datsun 510 | R. C. Hughes | GTU | |||||
| DNA | 33 | Phil Henny (USA)
Slick Gardner (USA) |
Chevrolet Camaro | Phil Henny | GTO | |||||
| DNA | 37 | Roberto Quintanilla (MEX)
Roberto Gonzalez (MEX) |
Porsche Carrera | John McClelland | GTO | |||||
| DNA | 39 | Wiley Doran (USA)
Gary Belcher (USA) |
Chevrolet Corvette | Wiley Doran | GTO | |||||
| DNA | 63 | Stephen Isett (USA)
Greg Dusz (USA) |
Opel Manta | Stephen Isett | GTU | |||||
| DNA | 67 | David McClain (USA)
Dave White (USA) Frank Harmstad (USA) |
Porsche 911S | David McClain | GTU | |||||
| DNA | 78 | Babe Headley (USA)
Sam Feinstein (USA) |
Chevrolet Corvette | Milton Headley | GTO | |||||
| DNA | 79 | Frank Warren (USA) | Dodge Charger | Frank Warren | G.I. | |||||
| DNA | 83 | Larry Flynn (USA)
Bobbie Johnson (USA) Jim Logan (USA) |
Chevrolet Camaro | Jim E. Logan | GTO | |||||
| DNA | 98 | J. Peter Hanes (CDN)
Steve Bell (CDN) |
Chevrolet Corvette | London GT Racing | GTO |
| Winning Time: 20h06m53.635, 104.042 mph/167.440 kph |
| Fastest Lap: John Greenwood #76 (Chevrolet Corvette), 1m56.858, 118.297 mph/190.381 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) |