| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 1 | Riccardo Patrese (I)
Michele Alboreto (I) |
Lancia Beta Montecarlo 1007 | Martini Racing | 173 | 6:00:28,053 | 1. | Gr.5 | 4. | 1:51,161 |
| 2. | 5 | Andrea de Cesaris (I)
Henri Pescarolo (F) |
Lancia Beta Montecarlo 1005 | Martini Racing | 171 | 2. | Gr.5 | 6. | 1:52,206 | |
| 3. | 9 | Rick Mears (USA)
Bob Garretson (USA) Johnny Rutherford (USA) |
Porsche 935 K3 009 00030 | Bob Garretson | 168 | 3. | Gr.5 | 11. | 1:55,370 | |
| 4. | 11 | John Fitzpatrick (GB)
Jim Busby (USA) |
Porsche 935 K3/80 000 00011? | John Fitzpatrick Racing | 160 | 4. | Gr.5 | 13. | 1:58,093 | |
| 5. | 22 | Marty Hinze (USA)
Dale Whittington (USA) Preston Henn (USA) |
Porsche 935 K3 930 770 0960 | Marty Hinze | 157 | 5. | Gr.5 | 15. | 1:58,323 | |
| 6. | 30 | Gianpiero Moretti (I)
Bobby Rahal (USA) |
Porsche 935/78-81 JR-001 | Momo Racing | 157 | 6. | Gr.5 | 3. | 1:49,271 | |
| 7. | 91 | Chester Vincentz (USA)
Lance Van Every (USA) John Wood (USA) |
Porsche 934 930 890 0014 | Electrodyne Racing | 156 | 1. | GTO | 20. | 2:05,232 | |
| 8. | 43 | Bob Akin (USA)
Craig Siebert (USA) Vivian Candy (IRL) |
Porsche 935 K3/80 000 00013? | Bob Akin Motor Racing | 146 | 7. | Gr.5 | 10. | 1:55,196 | |
| 9. | 13 | Steve Southard (USA)
Mark Altman (USA) Gary Altman (USA) |
Porsche Carrera | Steve Southard | 146 | 2. | GTO | 25. | 2:13,741 | |
| 10. | 26 | Tim Selby (USA)
Earl Roe (USA) |
Porsche Carrera 911 230 0030 | Roe-Selby Racing | 138 | 3. | GTO | 26. | 2:14,980 | |
| NRF | 44 | Billy Hagan (USA)
Bill Cooper (USA) |
Chevrolet Camaro | Stratagraph Inc. | 137 | Engine | AAGT | 16. | 2:02,488 | |
| NRF | 10 | Tom Frank (USA)
Dave Heinz (USA) |
Chevrolet Camaro | Tom Frank | 135 | Engine | GTO | 17. | 2:04,918 | |
| NRF | 47 | Jim Mullen (USA)
Walt Bohren (USA) |
Mazda RX-7 | Loud Car Racing | 127 | Engine | GTU | 22. | 2:07,146 | |
| DNF | 2 | David Hobbs (GB)
Marc Surer (CH) |
BMW M1 Gr.5 | BMW North America | 113 | Engine | Gr.5 | 9. | 1:54,358 | |
| DNF | 4 | Piercarlo Ghinzani (I)
Beppe Gabbiani (I) |
Lancia Beta Montecarlo 1011 | Martini Racing | 109 | Oil leak onto clutch | Gr.5 | 8. | 1:53,394 | |
| DNF | 0 | Ted Field (USA)
Bill Whittington (USA) |
Porsche 935 K3/80 | Interscope Racing | 95 | Engine | Gr.5 | 1. | 1:48,583 | |
| DNF | 86 | Hurley Haywood (USA)
Bruce Leven (USA) |
Porsche 935/80 | Bayside Disposal Racing | 80 | Turbocharger | Gr.5 | 5. | 1:51,547 | |
| DNF | 7 | Ludwig Heimrath (CDN)
Ludwig Heimrath, Jr. (CDN) |
Porsche 935 | Heimrath Racing | 64 | Drive shaft | Gr.5 | 12. | 1:56,317 | |
| DNF | 60 | Emilio de Villota (E)
Guy Edwards (GB) |
Lola T600 Ford HU03 | Grid Team Lola | 57 | Accident | GTP | 7. | 1:53,367 | |
| DNF | 21 | Peter Aschenbrenner (CDN)
Peter Moennick (CDN) |
Porsche 914/6 | Alps Restoration | 27 | Spin | GTU | 29. | no time | |
| DNF | 79 | Tom Winters (USA)
Bob Bergstrom (USA) |
Porsche 924 Carrera GTR | Whitehall Promotions | 23 | Drive shaft | GTO | 18. | 2:05,179 | |
| DNF | 18 | John Paul, Jr. (USA)
John Paul (USA) |
Porsche 935 JLP-3 JLP-3 | JLP Racing | 19 | Engine | Gr.5 | 2. | 1:48,836 | |
| DNF | 3 | Anatoly Arutunoff (USA)
José Marina (USA)^ |
Lancia Stratos | Anatoly Arutunoff | 16 | DQ: illegal refuel | GTU | 31. | no time | |
| DNF | 23 | Stephen Lax (CDN)
Herman Lausberg (CDN)^ |
Porsche 911 | Stephen Lax | 12 | DQ: too slow | GTU | 32. | no time | |
| DNF | 33 | Werner Frank (USA)
Rudy Bartling (CDN)^ |
Porsche 934 930 670 0162 | Werner Frank | 9 | Oil line | GTO | 23. | 2:08,125 | |
| DNF | 74 | George Hulse (USA)
Bob Speakman (USA)^ |
Porsche 911 | 8 | Suspension | GTO | 28. | 2:15,774 | ||
| DNF | 36 | Paul Miller (USA)
Kenper Miller (USA)^ |
Porsche 924 Carrera GTR | Herman/Miller | 4 | Head gasket | GTO | 21. | 2:05,996 | |
| DNF | 95 | Derek Bell (GB)
Steve O'Rourke (GB)^ |
BMW M1 | EMKA Productions | 3 | Engine | Gr.5 | 14. | 1:58,201 | |
| DNF | 90 | David Kicak (USA)
Thomas Rynone (USA)^ James Mancuso (USA)^ |
Chevrolet Corvette | Tom Rynone | 1 | Engine | GTO | 24. | 2:09,022 | |
| DNF | 12 | David Jones (USA)
Ted Sullivan (USA)^ |
Chevrolet Camaro | Davy Jones | 0 | Spin | GTO | 30. | no time | |
| DNS | 93 | Michael Oleyar (USA)
Bill Craine (USA) Kerry Hitt (USA) |
Chevrolet Corvette Greenwood 011 | Michael Oleyar | GTO | 27. | 2:15,145 | |||
| DNS | 98 | Tom Frank (USA)
Dave Heinz (USA) |
Chevrolet Corvette | Tom Frank | Withdrawn | GTO | 19. | 2:05,215 | ||
| DNP | 00T | Ted Field (USA)
Bill Whittington (USA) |
Porsche 935 K3/80 000 00026??? | Interscope Racing | Gr.5 | |||||
| DNP | 8T | John Paul, Jr. (USA)
John Paul (USA) |
Porsche 935 JLP-2 JLP-2 | JLP Racing | Gr.5 | |||||
| DNA | 2 | David Hobbs (GB)
Marc Surer (CH) |
March BMW M1/C 81P | BMW North America | Car not ready | GTP | ||||
| DNA | 6 | Giorgio Pianta (I)
Giorgio Schön (I) |
Lancia Beta Montecarlo | Jolly Club | Gr.5 | |||||
| DNA | 19 | Kerry Hitt (USA)
Orlo Trice (USA) |
Chevrolet Corvette | Kerry Hitt | GTO | |||||
| DNA | 64 | Bob Baechle (USA)
Craig Carter (USA) |
Chevrolet Corvette | Robert Baechle | GTO |
| Winning Time: 6h00m28.053, 97.244 mph/156.499 kph |
| Fastest Lap: John Paul Jr #18 (Porsche 935 JLP-3), 1m52.831, 107.747 mph/173.402 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) |