| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 3 | Rolf Stommelen (D)
Harald Grohs (D) |
Porsche 935 K3 930 890 0013 | Andial Meister Racing | 229 | 6:00:43,972 | 1. | GTX | 1. | 1:18,956 |
| 2. | 7 | Brian Redman (GB)
Eppie Wietzes (CDN) |
Lola T600 Chevrolet HU01 | Cooke Woods Racing | 229 | 6:01:06,708 | 2. | GTX | 35. | no time |
| 3. | 0 | Ted Field (USA)
Bill Whittington (USA) |
Porsche 935 K3/80 000 00010 | Interscope IMSA Racing | 222 | 3. | GTX | 2. | 1:19,743 | |
| 4. | 09 | Preston Henn (USA)
Edgar Dören (D) |
Porsche 935 K3 000 0009 | Preston Henn | 219 | 4. | GTX | 17. | 1:31,477 | |
| 5. | 25 | Kenper Miller (USA)
Dave Cowart (USA) |
BMW M1 | Red Lobster Racing | 218 | 1. | GTO | 11. | 1:26,909 | |
| 6. | 1 | John Fitzpatrick (GB)
Jim Busby (USA) |
Porsche 935 K3/80 000 00011 | John Fitzpatrick Racing | 217 | 5. | GTX | 5. | 1:22,279 | |
| 7. | 46 | Mauricio DeNarvaez (CO)
Bob Garretson (USA) |
Porsche 935J 000 00012 | De Narvaez | 215 | 6. | GTX | 30. | 1:56,454 | |
| 8. | 54 | Tony Garcia (USA)
Albert Naon (USA) Hiram Cruz (USA) |
BMW M1 | Montura Racing | 210 | 2. | GTO | 16. | 1:30,617 | |
| 9. | 92 | Walt Bohren (USA)
Lee Mueller (USA) |
Mazda RX-7 | Kent Racing | 209 | 1. | GTU | 14. | 1:30,169 | |
| 10. | 84 | "Jamsal" (ES)
Eduardo Galdamez (ES) Carlos Moran (ES)* |
Porsche 935 930 670 0171 | Scorpio Racing | 206 | 7. | GTX | 19. | 1:33,081 | |
| 11. | 23 | Dick Davenport (USA)
Frank Carney (USA) |
Datsun 280ZX | Daytown Datsun/Don Preston | 206 | 2. | GTU | 21. | 1:33,391 | |
| 12. | 5 | Skeeter McKitterick (USA)
Bob Akin (USA) |
Porsche 935 K3/80 000 00013 | Bob Akin Racing | 205 | 8. | GTX | 8. | 1:23,831 | |
| 13. | 79 | Tom Winters (USA)
Bob Bergstrom (USA) |
Porsche 924 Carrera GTR | Whitehall Capital Promotions Limited | 203 | 3. | GTO | 24. | 1:35,716 | |
| NRF | 2 | David Hobbs (GB)
Hans-Joachim Stuck (D) |
BMW M1 | BMW Motorsport | 192 | Gearbox | 9. | GTX | 7. | 1:23,729 |
| 15. | 07 | Ludwig Heimrath (CDN)
Ludwig Heimrath, Jr. (CDN) |
Porsche 924 Carrera GTR | Heimrath Racing | 186 | 4. | GTO | 15. | 1:30,284 | |
| 16. | 17 | Pepe Romero (USA)
Diego Febles (PR) "Jamsal" (ES)* |
Porsche 935J 930 990 0032 | Pepe Romero | 185 | 10. | GTX | 29. | 1:51,424 | |
| 17. | 27 | Peter Aschenbrenner (CDN)
Peter Tescher (CDN) |
Porsche 914/6 | Alps Restoration | 182 | 3. | GTU | 32. | 2:14,863 | |
| 18. | 42 | Peter Bulkowski (CDN)
Luc Berhar (CDN) |
Triumph TR8 | Peter Bulkowski | 182 | 5. | GTO | 28. | 1:41,108 | |
| NRF. | 53 | Rudy Bartling (CDN)
Fritz Hochreuter (CDN) Norm Ridgely (CDN) |
Porsche Carrera | Fritz Hochreuter | 170 | 6. | GTO | 25. | 1:38,603 | |
| 20. | 40 | David Deacon (CDN)
Mike Freberg (CDN) |
BMW M1 | David Deacon Racing | 168 | 7. | GTO | 12. | 1:29,956 | |
| DNF | 91 | Chester Vincentz (USA)
Derek Bell (GB) |
Porsche 934 930 890 0014 | Electrodyne Racing | 145 | 8. | GTO | 23. | 1:34,590 | |
| DNF | 21 | Stephen Lax (CDN)
Herman Lansberg (CDN) Peter Moennick (CDN) |
Porsche 911 | Stephen Lax Racing | 141 | Fatal accident | 4. | GTU | 33. | 2:26,122 |
| NC | 57 | Robert Overby (USA)
Wayne Baker (USA) |
Porsche 914/6 | Personalized Autohaus | 139 | 5. | GTU | 26. | 1:39,735 | |
| NC | 72 | Jean Kjoller (USA)
Jay Kjoller (USA) |
Porsche Carrera | Russell Porsche | 123 | 9. | GTO | 38. | no time | |
| DNF | 85 | Logan Blackburn (USA)
David Frellsen (USA) |
Datsun 280ZX | Logan Blackburn Columbus Racing | 122 | 6. | GTU | 18. | 1:32,436 | |
| DNF | 30 | Gianpiero Moretti (I)
Bobby Rahal (USA) |
Porsche 935/78-81 JR-001 | Momo/Penthouse | 105 | Accident | 11. | GTX | 10. | 1:24,709 |
| DNF | 88 | Maurice Carter (CDN)
Bill Adam (CDN) |
Chevrolet Camaro | Maurice Carter Racing | 105 | Accident | 12. | GTX | 31. | 2:05,894 |
| DNF | 22 | Wayne Baker (USA)
Robert Overby (USA) |
Porsche 914/4 | Personalized Autohaus | 95 | 7. | GTU | 20. | 1:33,232 | |
| DNF | 19 | Chris Cord (USA)
Jim Adams (USA) |
Lola T600 Chevrolet HU05 | Chris Cord Racing | 56 | Head gasket | 13. | GTX | 6. | 1:23,062 |
| DNF | 18 | John Paul, Jr. (USA)
John Paul (USA)^ Derek Bell (GB)^ |
Porsche 935 JLP-3 JLP-3 | J.L.P. Racing | 41 | Accident | 14. | GTX | 3. | 1:19,748 |
| DNF | 39 | Fred Stiff (USA)
Pierre Honegger (USA)^ Sam Posey (USA)^ Nick Moore (USA)* |
Mazda RX-7 | Z & W Enterprises | 34 | Accident | 10. | GTO | 13. | 1:29,980 |
| DNF | 74 | Del Russo Taylor (USA)
Janis Taylor (USA)^ |
Chevron GTP Buick | Janis Taylor | 4 | Accident | 15. | GTX | 34. | 6:50,292 |
| DNF | 73 | Rick Bye (CDN)
Uli Bieri (CDN)^ |
Porsche 911 | Hi-Fi Express | 0 | 8. | GTU | 27. | 1:39,981 | |
| DNS | 00 | Ted Field (USA)
Bill Whittington (USA) |
Porsche 935 K3/80 000 00026??? | Interscope IMSA Racing | GTX | 9. | 1:24,101 | |||
| DNS | 04 | Rene Rodriguez (USA)
Ernesto Soto (YV) |
Porsche Carrera | T & R Racing | Engine | GTO | 22. | 1:34,366 | ||
| DNS | 10 | Clay Young (USA) | Pontiac Grand Am | Clay Young | GTO | 36. | no time | |||
| DNS | 33 | Rainer Brezinka (CDN)
Gary Hirsch (CDN) |
Porsche Carrera | Rainer Brezinka | GTO | 37. | no time | |||
| DNS | 86 | Hurley Haywood (USA)
Bruce Leven (USA) |
Porsche 935/80 000 00028 | Bayside Disposal Racing | Accident in practice | GTX | 4. | 1:21,389 | ||
| DNS | 00T | Ted Field (USA)
Bill Whittington (USA) |
Lola T600 Chevrolet | Interscope IMSA Racing | GTX | |||||
| DNA | 2 | David Hobbs (GB)
Hans-Joachim Stuck (D) |
March BMW M1/C Turbo 81P | BMW Motorsport | GTX | |||||
| DNA | 8 | John Paul (USA)
John Paul, Jr. (USA) |
Porsche 935 JLP-2 JLP-2 | J.L.P. Racing | GTX | |||||
| DNA | 8 | John Paul (USA)
John Paul, Jr. (USA) |
Lola T600 Chevrolet HU04 | J.L.P. Racing | GTX | |||||
| DNA | 28 | Fred Stiff (USA)
Sam Posey (USA) |
Datsun 280ZX Turbo | NTS Racing | GTO | |||||
| DNA | 34 | George Drolsom (USA)
Bill Johnson (USA) |
Porsche 924 Carrera GTR | Drolsom Racing | GTO | |||||
| DNA | 44 | Billy Hagan (USA)
Bob Mitchell (USA) |
Chevrolet Camaro | Stratagraph | GTX | |||||
| DNA | 56 | Craig Carter (USA) | Chevrolet Camaro | Peerless Racing Ent. | GTO | |||||
| DNA | 82 | Jim Cook (USA)
John Casey (USA) |
Mazda RX-7 | Trinity Racing | GTU |
| Winning Time: 6h00m43.972, 93.661 mph/150.733 kph |
| Fastest Lap: Bill Whittington #0 (Porsche 935K3-80), 1m20.657, 109.754 mph/176.631 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) |