| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 31 | Hans Heyer (D)
Riccardo Patrese (I) |
Lancia Beta Montecarlo 1007 | Lancia Corse | 139 | 6:02:15,393 | 1. | Gr.5 | 3. | 1:52,200 |
| 2. | 32 | Michele Alboreto (I)
Eddie Cheever (USA) |
Lancia Beta Montecarlo 1005 | Lancia Corse | 138 | 2. | Gr.5 | 9. | 1:54,000 | |
| 3. | 6 | John Fitzpatrick (GB)
Brian Redman (GB) Dick Barbour (USA)^ |
Porsche 935 K3/80 000 00023 | Dick Barbour Racing | 134 | 3. | Gr.5 | 6. | 1:53,148 | |
| 4. | 0 | Ted Field (USA)
Danny Ongais (USA) |
Porsche 935 K3/80 000 00017? | Interscope Racing | 133 | 4. | Gr.5 | 5. | 1:53,000 | |
| 5. | 4 | Jürgen Barth (D)
Volkert Merl (D) |
Porsche 935 K3 000 0009 | Dick Barbour Racing | 133 | 5. | Gr.5 | 38. | no time | |
| 6. | 33 | Piercarlo Ghinzani (I)
Martino Finotto (I) |
Lancia Beta Montecarlo 1006 | Jolly Club | 133 | 6. | Gr.5 | 12. | 1:56,600 | |
| 7. | 69 | Roy Woods (USA)
Bob Akin (USA) Charles Mendez (USA) Ralph Kent Cooke (USA)* |
Porsche 935 K3 009 0005 | Racing Associates | 132 | 7. | Gr.5 | 14. | 1:58,400 | |
| 8. | 13 | Harald Grohs (D)
Randolph Townsend (USA) Bruce Jenner (USA)^ |
Porsche 935 930 770 0905 | Andial Racing | 130 | 8. | Gr.5 | 4. | 1:52,400 | |
| 9. | 85 | Don Whittington (USA)
Hurley Haywood (USA) Dale Whittington (USA) |
Porsche 935 K3 009 00015? | Whittington Brothers Racing | 130 | 9. | Gr.5 | 8. | 1:53,408 | |
| 10. | 25 | Kenper Miller (USA)
Dave Cowart (USA) |
BMW M1 | Red Lobster Racing | 127 | 10. | Gr.5 | 16. | 1:59,828 | |
| 11. | 07 | Ludwig Heimrath (CDN)
Johnny Rutherford (USA) Carlos Moran (ES)^ |
Porsche 935 930 770 0958 | Heimrath Racing | 122 | 11. | Gr.5 | 13. | 1:58,061 | |
| 12. | 98 | John Bauer (USA)
Larry Green (USA) |
Porsche 911SC | Green Racing | 121 | 6:02:19,242 | 1. | Trans-Am | 18. | 2:04,400 |
| 13. | 5 | Skeeter McKitterick (USA)
Charles Mendez (USA) Brian Redman (GB)^ Leon Walger (RA)* |
Porsche 935 K3 | Racing Associates | 117 | 12. | Gr.5 | 17. | 2:00,352 | |
| 14. | 73 | John Paul, Jr. (USA)
John Paul (USA) Preston Henn (USA) |
Porsche 935 JLP-2 JLP-2 | JLP Racing | 116 | 13. | Gr.5 | 10. | 1:55,144 | |
| 15. | 11 | David Wolpert (USA)
Tom Aquilante (USA) Wade White (USA) |
Chevrolet Corvette | Aquilante/Wolpert | 114 | 2. | Trans-Am | 35. | 2:16,001 | |
| 16. | 57 | Monte Shelton (USA)
Bruce Leven (USA) |
Porsche 911SC | Porsche-Audi Northwest | 114 | 3. | Trans-Am | 20. | 2:07,300 | |
| 17. | 81 | Philip Keirn (USA)
Ed Errington (USA) Dennis Cuppy (USA)^ |
Chevrolet Corvette | Philip Keirn | 107 | 4. | Trans-Am | 37. | 2:18,346 | |
| 18. | 36 | Bruce Jenner (USA)
Chester Vincentz (USA) Bob Garretson (USA) |
Porsche 934 930 670 0167 | Electrodyne Racing | 102 | 1. | GT | 32. | 2:12,900 | |
| 19. | 9 | Bob Raub (USA)
Roy Woods (USA) Bob Young (USA)* Bob Lazier (USA)* |
Chevrolet Camaro | Rocky Mountain Performance | 101 | 5. | Trans-Am | 24. | 2:09,135 | |
| NRF | 83 | Herb Forrest (USA)
Craig Leifheit (USA) |
Chevrolet Corvette | Forrest/Leifheit | 98 | Engine | 6. | Trans-Am | 28. | 2:10,634 |
| NC | 93 | Michael Oleyar (USA)
Bill Craine (USA) |
Chevrolet Corvette | Little Foreign Car Shop | 93 | 7. | Trans-Am | 31. | 2:12,811 | |
| NC | 18 | David Kicak (USA)
Tom Eastham (USA) |
Chevrolet Corvette | Tom Rynone | 93 | 8. | Trans-Am | 40. | no time | |
| DNF | 19 | Chris Cord (USA)
Jim Adams (USA) |
Chevrolet Monza DeKon 1011 | Chris Cord | 91 | Gearbox | Gr.5 | 11. | 1:55,500 | |
| NC | 52 | David Schuler (USA)
Robert Schuler (USA) |
Datsun 280ZX | Fred Schuler | 84 | 9. | Trans-Am | 34. | 2:14,800 | |
| NC | 64 | Bob Baechle (USA)
David Laughlin (USA) |
Chevrolet Corvette | Auto Barn | 84 | 10. | Trans-Am | 29. | 2:11,300 | |
| DNF | 23 | Bob Zulkowski (USA)
Gary Pullyblank (CDN) Bernie Storc (USA)^ |
Porsche 914/6 | Metal Craft Racing | 74 | Electrical | 11. | Trans-Am | 30. | 2:12,199 |
| DNF | 26 | Robert Overby (USA)
Frank Harmstad (USA) |
Porsche 911SC Targa | Robert Overby | 72 | Engine | 12. | Trans-Am | 33. | 2:14,700 |
| DNF | 80 | Maurice Carter (CDN)
Tony DeLorenzo (USA) Murray Edwards (CDN)* |
Chevrolet Camaro | Maurice Carter | 67 | Engine | Gr.5 | 15. | 1:58,544 | |
| DNF | 30 | Reinhold Jöst (D)
Gianpiero Moretti (I) |
Porsche 935J 000 00012 | Electrodyne Racing | 45 | Engine | Gr.5 | 2. | 1:52,000 | |
| DNF | 10 | Bob Young (USA)
Bob Lazier (USA) Bob Raub (USA)* Roy Woods (USA)* |
Chevrolet Camaro | Rocky Mountain Performance | 42 | Drive shaft | 13. | Trans-Am | 23. | 2:08,527 |
| DNF | 46 | Catherine Kizer (USA)
Jack Broomall (USA) |
Chevrolet Corvette | Buist/Syfert | 40 | Engine | 14. | Trans-Am | 27. | 2:10,600 |
| DNF | 68 | Dave Heinz (USA)
Bob Nagel (USA) Richard Valentine (USA) |
Chevrolet Corvette | USA Racing | 40 | Spin | Gr.5 | 19. | 2:06,040 | |
| DNF | 16 | Tom Roberts (USA)
Paul Schulte (USA) |
Chevrolet Camaro | Tom's Mechanical Emporium | 34 | Ignition | 15. | Trans-Am | 36. | 2:17,931 |
| DNF | 28 | Marty Hinze (USA)
Dale Whittington (USA) |
Porsche 935 K3 930 770 0960 | Marty Hinze | 18 | Gearbox | Gr.5 | 22. | 2:07,700 | |
| DNF | 60 | John Brandt (USA)
Mark Pielsticker (USA)^ Keith Feldott (USA)^ |
Chevrolet Corvette | Atlas Van Lines | 14 | Engine | 16. | Trans-Am | 25. | 2:10,300 |
| DNF | 20 | Hans-Joachim Stuck (D)
David Hobbs (GB)^ |
BMW M1 | BMW North America | 10 | Accident | Gr.5 | 7. | 1:53,200 | |
| DNF | 38 | Bob Fryer (USA)
Don Yenko (USA)^ |
AMC Javelin | University of Pittsburgh | 10 | Brakes | 17. | Trans-Am | 21. | 2:07,300 |
| DNF | 71 | Bobby Rahal (USA)
Jürgen Barth (D)^ Bob Garretson (USA)^ |
Porsche 935 K3 009 00030 | Dick Barbour Racing | 6 | Engine | Gr.5 | 1. | 1:51,638 | |
| DNS | 00 | Ted Field (USA)
Danny Ongais (USA) |
Porsche 935/77A | Interscope Racing | Gr.5 | 26. | 2:10,400 | |||
| DNS | 3 | Jim Busby (USA)
Rick Mears (USA) Peter Gregg (USA) |
Porsche 935J 930 990 0032 | Jim Busby | Gr.5 | 39. | no time | |||
| DNS | 91 | Roger Schramm (USA)
Rudy Bartling (CDN) |
Porsche Carrera RSR 911 460 0075?? | Framm Promotions | GT | no time | ||||
| DNA | 27 | Kerry Hitt (USA) | Chevrolet Corvette | Corvette America | Trans-Am | |||||
| DNA | 79 | Bob Bergstrom (USA)
Pat Bedard (USA) |
Mazda RX-7 | Sports Ltd. Racing | Gr.5 | |||||
| DNA | 90 | Thomas Rynone (USA)
Michael Wiernicki (USA) Neil Wiernicki (USA) |
Chevrolet Corvette | Tom Rynone | Trans-Am | |||||
| DNA | 94 | Don Whittington (USA)
Hurley Haywood (USA) |
Porsche 935 K3 | Whittington Brothers Racing | Gr.5 |
| Winning Time: 6h02m15.393, 77.747 mph/125.121 kph |
| Fastest Lap: Danny Ongais #0 (Porsche 935K3), 1m53.471, 107.139 mph/172.424 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) |