| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 6 | John Fitzpatrick (GB)
Brian Redman (GB) Dick Barbour (USA)^ |
Porsche 935 K3/80 000 00023 | Dick Barbour Racing/Sachs USA | 245 | 6:00:11,807 | 1. | GTX | 1. | 1:20,015 |
| 2. | 18 | John Paul, Jr. (USA)
John Paul (USA) |
Porsche 935 JLP-2 JLP-2 | JLP Racing | 245 | 6:01:32,512 | 2. | GTX | 3. | 1:20,900 |
| 3. | 00 | Ted Field (USA)
Danny Ongais (USA) |
Porsche 935 K3/80 000 00017 | Interscope Racing | 244 | 3. | GTX | 6. | 1:22,041 | |
| 4. | 14 | Hans Heyer (D)
Walter Röhrl (D) |
Lancia Beta Montecarlo 1007 | Lancia Corse Italia | 241 | 4. | GTX | 5. | 1:21,725 | |
| 5. | 4 | Skeeter McKitterick (USA)
Rick Mears (USA) John Fitzpatrick (GB)^ |
Porsche 935 K3 000 0009 | Dick Barbour Racing/Sachs USA | 237 | 5. | GTX | 14. | 1:26,226 | |
| 6. | 5 | Paul Miller (USA)
Bob Akin (USA) Kees Nierop (USA) Charles Mendez (USA)^ |
Porsche 935 K3 009 00016 | Racing Associates | 234 | 6. | GTX | 10. | 1:24,074 | |
| 7. | 16 | Carlo Facetti (I)
Martino Finotto (I) |
Lancia Beta Montecarlo 1006 | Jolly Club of Milan | 232 | 7. | GTX | 11. | 1:24,256 | |
| 8. | 44 | Bob Tullius (USA)
Bill Adam (CDN) |
Triumph TR8 | JRT/Quaker State | 223 | 1. | GTO | 15. | 1:29,246 | |
| NRF | 09 | Dale Whittington (USA)
Preston Henn (USA) John Paul Sr (USA)* |
Porsche 935 K3 930 890 0021 | Thunderbird Racing | 219 | Spin | 8. | GTX | 12. | 1:24,412 |
| 10. | 17 | John Morton (USA)
Jeff Kline (USA) Walt Bohren (USA) - DNP |
Mazda RX-7 | Racing Beat | 218 | 1. | GTU | 24. | 1:32,413 | |
| 11. | 46 | Mauricio DeNarvaez (CO)
Tony Garcia (USA) Albert Naon (USA)^ |
Porsche Carrera | DeNarvaez Enterprises | 215 | 2. | GTO | 21. | 1:31,390 | |
| 12. | 47 | Brad Frisselle (USA)
Roger Mandeville (USA) |
Mazda RX-7 | Brad Frisselle Racing | 214 | 2. | GTU | 22. | 1:31,827 | |
| 13. | 73 | Ernesto Soto (YV)
Pierre Honegger (USA) Jean-Paul Libert (B)* |
Mazda RX-7 | Z & W Enterprises | 208 | 3. | GTU | 28. | 1:33,872 | |
| 14. | 86 | Hurley Haywood (USA)
Bruce Leven (USA) |
Porsche 935/80 000 00024 | Bayside Disposal Racing | 205 | 9. | GTX | 7. | 1:22,089 | |
| 15. | 50 | Fritz Hochreuter (CDN)
Rainer Brezinka (CDN) Norm Ridgely (CDN) |
Porsche 911 | Fritz Hochreuter | 204 | 3. | GTO | 31. | 1:38,671 | |
| 16. | 62 | Bill Koll (USA)
Jim Cook (USA) |
Porsche 911 | Koll Motor Sport | 202 | 4. | GTU | 26. | 1:33,801 | |
| 17. | 48 | Phil Currin (USA)
John Carusso (USA) |
Chevrolet Corvette | Dynasales | 195 | 4. | GTO | 27. | 1:33,871 | |
| NRF | 15 | Piercarlo Ghinzani (I)
Bernard Darniche (F) |
Lancia Beta Montecarlo 1005 | Lancia Corse Italia | 186 | Accident | 10. | GTX | 9. | 1:22,793 |
| NC | 36 | Ludwig Heimrath, Jr. (CDN)
Brian Hardacre (CDN) Jon Reski (CDN) |
Porsche Carrera | Climax Racing | 155 | 11. | GTX | 23. | 1:32,169 | |
| DNF | 23 | Dick Davenport (USA)
Frank Carney (USA) |
Datsun 280ZX | Raytown Datsun | 136 | Accident | 5. | GTU | 29. | 1:34,304 |
| DNF | 07 | Ludwig Heimrath (CDN)
Johnny Rutherford (USA) |
Porsche 935 930 770 0958 | Heimrath Racing | 127 | Suspension | 12. | GTX | 8. | 1:22,780 |
| NC | 42 | Peter Bulkowski (CDN)
Bruce Kulczyk (CDN) |
Triumph TR8 | Bruce Kulczyk | 120 | 5. | GTO | 34. | 1:44,666 | |
| DNF | 80 | Maurice Carter (CDN)
Richard Valentine (USA) |
Chevrolet Camaro | Carter Racing | 104 | Accident damage | 13. | GTX | 13. | 1:26,051 |
| DNF | 69 | Klaus Bytzek (CDN)
Rudy Bartling (CDN) |
Porsche Carrera | Bytzek/Litens Automotive | 103 | Accident | 6. | GTO | 19. | 1:31,214 |
| DNF | 9 | Bobby Rahal (USA)
Bob Garretson (USA) John Fitzpatrick (GB)^ |
Porsche 935 K3 009 00030 | Dick Barbour Racing/Apple Computers | 98 | Spin | 14. | GTX | 2. | 1:20,120 |
| DNF | 54 | Terry Herman (USA)
Albert Naon (USA) Tony Garcia (USA)^ |
Porsche Carrera | Montura Racing | 64 | 7. | GTO | 20. | 1:31,374 | |
| DNF | 33 | Eppie Wietzes (CDN)
Jacques Bienvenue (CDN) Douglas J. Rowe (CDN)^ Allen Berg (CDN)^ |
Chevrolet Corvette | Fifth Essence Racing | 59 | Suspension | 8. | GTO | 17. | 1:29,622 |
| DNF | 34 | George Drolsom (USA)
Hugh Davenport (USA) |
Porsche 911 | Drolsom Racing | 59 | Clutch | 6. | GTU | 33. | 1:43,437 |
| DNF | 95 | Fred Stiff (USA)
Sam Posey (USA)^ |
Datsun 240Z | NTS Racing | 58 | 7. | GTU | 25. | 1:33,200 | |
| DNF | 68 | Luis Mendez (DR)
Mandy Gonzalez (PR)^ |
Porsche Carrera RSR 005 0009 | Hector Huerta Racing | 56 | Accident | 9. | GTO | 16. | 1:29,278 |
| DNF | 72 | Murray Edwards (CDN)
Craig Carter (USA) |
Chevrolet Corvette | Murray Edwards | 54 | Gearbox | 10. | GTO | 30. | 1:34,705 |
| DNF | 7 | Jim Downing (USA)
Walt Bohren (USA)^ Jeff Kline (USA)^ |
Mazda RX-7 | Racing Beat | 32 | Accident | 8. | GTU | 18. | 1:30,696 |
| DNS | 0 | Ted Field (USA)
Danny Ongais (USA) |
Porsche 935 K3 | Interscope Racing | GTX | 4. | 1:20,988 | |||
| DNS | 02 | Paul Canary (USA)
Jim Sanborn (USA) |
Chevrolet Corvette | Paul Canary | GTO | 35. | 1:46,606 | |||
| DNS | 22 | Peter Aschenbrenner (CDN)
Gary Hirsch (CDN) |
Porsche 914/6 | Alps Restoration | GTU | 32. | 1:40,299 | |||
| DNS | 90 | Neil Wiernicki (USA)
Michael Wiernicki (USA) Thomas Rynone (USA) |
Chevrolet Corvette | Neil Wiernicki | GTO | no time | ||||
| DNP | 64 | Dennis Aase (USA)
Alan Johnson (USA) |
Porsche 911 | Alan Johnson Racing | GTU | |||||
| DNA | 01 | Tico Almeida (USA)
Rene Rodriguez (USA) Fred Flaquer (USA) |
Porsche Carrera | T & R Racing | GTO | |||||
| DNA | 10 | Chris Cord (USA)
Jim Adams (USA) |
Chevrolet Monza DeKon 1011 | Chris Cord Racing | GTX | |||||
| DNA | 13 | Randolph Townsend (USA)
Harald Grohs (D) |
Porsche 935 930 770 0905 | Spirit of Nevada | Car sold | GTX | ||||
| DNA | 25 | Dave Cowart (USA)
Kenper Miller (USA) |
BMW M1 | Red Lobster Racing | GTX | |||||
| DNA | 30 | Gianpiero Moretti (I) | Porsche 935J 930 890 0014 | Momo/Electrodyne | GTX | |||||
| DNA | 59 | Peter Gregg (USA) | Porsche 935/79 930 990 0030 | Brumos Porsche | GTX | |||||
| DNA | 85 | John Hulen (USA)
Ron Coupland (USA) |
Porsche 914/6 | John E. Hulen | GTU | |||||
| DNA | 88 | David Deacon (CDN)
Peter Moennick (CDN) |
Porsche Carrera | David Deacon | GTO | |||||
| DNA | 91 | Roger Schramm (USA)
Werner Frank (USA) |
Porsche Carrera RSR 911 460 0075?? | Framm Promotions | GTO | |||||
| DNA | 94 | Bill Whittington (USA)
Don Whittington (USA) |
Porsche 935/79 930 990 0028 | Whittington Bros. Racing | GTX | |||||
| DNA | 99 | Kal Showket (USA)
Phil Currin (USA) |
Chevrolet Corvette | Full-Time Racing | GTO |
| Winning Time: 6h00m11.807, 100.354 mph/161.504 kph |
| Fastest Lap: Danny Ongais #00 (Porsche 935-77A), 1m19.960, 110.710 mph/178.171 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) |