| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | Bob Akin (USA)
Hans-Joachim Stuck Jr (D) Jo Gartner (A)* |
Porsche 962 113 | Bob Akin | 287 | 12h02m22.989 | 1 | GTP | 4 | 2:13.843 |
| 2 | 67 | Darin Brassfield (USA)
John Morton (USA) Jim Busby (USA) |
Porsche 962 106 | Jim Busby | 279 | 2 | GTP | 6 | 2:16.049 | |
| 3 | 14 | Al Holbert (USA)
Derek Bell (GB) Al Unser Jr (USA) |
Porsche 962 103 | Al Holbert | 269 | 3 | GTP | 2 | 2:12.333 | |
| 4 | 7 | Scott Pruett (USA)
Bruce Jenner (USA) |
Ford Mustang (Roush) | Jack Roush | 265 | 1 | GTO | 20 | 2:31.576 | |
| 5 | 50 | Bill Elliott (USA)
Ricky Rudd (USA) Kyle Petty (USA)* |
Ford Mustang (Roush) | Jack Roush | 265 | 2 | GTO | 21 | 2:33.367 | |
| 6 | 66 | Jim Rothbarth (USA)
Mike Meyer (USA) Jeff Kline (USA) |
Royale-Mazda RP40 | Mike Meyer | 246 | 1 | GTP Lights | 25 | 2:34.831 | |
| 7 | 88 | Ron Grable (USA)
John Heinricy (USA) Bobby Carrodine (USA) Don Knowles (USA)^ Bob McConnell (USA)^ Tommy Morrison (USA)^ |
Chevrolet Corvette | Tommy Morrison | 245 | 3 | GTO | 36 | 2:41.304 | |
| 8 | 38 | Roger Mandeville (USA)
Danny Smith (USA) |
Mazda RX-7 (Chassis Dynamics) | Roger Mandeville | 240 | 1 | GTU | 32 | 2:39.430 | |
| 9 | 63 | Jim Downing (USA)
John Maffucci (USA) John O'Steen (USA) |
Argo-Mazda JM19 | Jim Downing | 238 | 2 | GTP Lights | 18 | 2:30.796 | |
| NRF | 92 | Lance Van Every (USA)
Ash Tisdelle (USA) Rusty Bond (USA) |
Chevrolet Camaro (Riggins) | Lance Van Every | 233 | steering | 4 | GTO | 38 | 2:41.764 |
| 11 | 58 | Rick Borlase (USA)
Jim Torres (USA) Michael Hammond (USA) |
Porsche 934 | Rick Borlase | 231 | 5 | GTO | 37 | 2:41.543 | |
| 12 | 90 | Lee Delano (USA)
Jeremy Nightingale (GB) Patty Moise (USA) Andy Petery (USA)* |
Chevrolet Camaro | Road Circuit Technology | 230 | 6 | GTO | 29 | 2:37.580 | |
| 13 | 75 | Bob Reed (USA)
Tommy Kendall (USA) John Hogdal (USA) |
Mazda RX-7 (Fabcar) | Clayton Cunningham | 226 | 2 | GTU | 48 | 2:44.661 | |
| NRF | 35 | Jack Griffin (USA)
Bobby Hefner (USA) Dennis Winfree (USA) |
Porsche 911 Carrera RSR 460 9113 | Dallas | 225 | gearbox | 3 | GTU | 67 | 2:55.836 |
| 15 | 16 | Marty Hinze (USA)
Jack Newsum (USA) Tom Blackaller (USA) |
Porsche 935 930 770 0960 | Marty Hinze | 222 | 4 | GTP | 31 | 2:39.049 | |
| 16 | 78 | Peter Uria (USA)
Larry Figaro (USA) Jack Refenning (USA) |
Porsche 911 Carrera RSR | Peter Uria | 220 | 4 | GTU | 66 | 2:55.503 | |
| 17 | 61 | Brent O'Neill (USA)
Steve Shelton (USA) Don Courtney (USA) |
Argo-Buick JM16 | Deco Sales Associates | 219 | 3 | GTP Lights | 34 | 2:40.158 | |
| 18 | 45 | Herman Galeano (USA)
Christian Jacobs (USA) Pedro Cardenas (USA) |
Porsche 911 | Turbo Concepts | 209 | 5 | GTU | 70 | 2:56.930 | |
| NRF | 62 | Chris Marte (DR)
Tim CoConis (USA) |
Ford Mustang (Roush) | Jack Roush | 200 | body damage | 7 | GTO | 23 | 2:33.620 |
| NC | 29 | Ron Canizares (USA)
William Jacobs (USA) Howard Katz (USA) |
Tiga-Mazda GT285 | Aries Sports | 198 | 4 | GTP Lights | 35 | 2:40.159 | |
| NC | 39 | Rainer Brezinka (CDN)
Rudi Bartling (CDN) John M. Centano (CDN) |
Porsche 911 | Rainer Brezinka | 197 | 6 | GTU | 62 | 2:51.851 | |
| NC | 42 | John Higgins (USA)
Chip Mead (USA) Howard Cherry (USA) |
Fabcar-Porsche | John Higgins | 184 | 5 | GTP Lights | 28 | 2:35.555 | |
| DNF | 22 | Paul Carazzo (USA)
Ed Flemke (USA) Thomas Hessert (USA) |
Royale-Mazda RP40 | Team 22 | 181 | oil cooler | GTP Lights | 56 | 2:47.035 | |
| DNF | 6 | Charles Morgan (USA)
Logan Blackburn (USA) |
Tiga-Buick GT286 | Charles Morgan | 181 | engine | GTP Lights | 14 | 2:29.195 | |
| DNF | 34 | Kikos Fonseca (CR)
Luis Mendez (DR) Enrique Molins (ES) |
Porsche 934 | Latino Racing | 174 | GTO | 47 | 2:44.004 | ||
| NC | 64 | Lanny Hester (USA)
Maurice Hassey (USA) |
Ford Mustang (Roush) | Raintree Corporation | 173 | GTO | 58 | 2:48.705 | ||
| NC | 26 | Del Russo Taylor (USA)
Mike Hackney (USA) Arvid Albanese (USA) |
Pontiac Firebird (Python) | Bob Lee | 172 | GTO | 71 | 2:57.694 | ||
| DNF | 02 | Wally Dallenbach Jr (USA)
Tommy Byrne (USA) |
Chevrolet Camaro | Spirit Racing | 171 | ignition | GTO | 13 | 2:28.099 | |
| DNF | 87 | Don Knowles (USA)
Bob McConnell (USA) Tommy Morrison (USA) Ron Grable (USA)^ John Heinricy (USA)^ Bobby Carradine (USA)^ |
Chevrolet Corvette | Tommy Morrison | 171 | clutch | GTO | 41 | 2:42.358 | |
| DNF | 17 | Al Bacon (USA)
Bill Scott (USA) Dennis Krueger (USA) |
Mazda RX-7 (Chassis Dynamics) | Al bacon | 168 | GTU | 55 | 2:46.747 | ||
| NC | 54 | Gary Auberlen (USA)
Peter Jauker (USA) Cary Eisenlohr (USA) Karl Durkheimer (USA) |
Porsche 911 | Gary Auberlen | 166 | GTU | 68 | 2:55.882 | ||
| DNF | 37 | Roy Newsome (USA)
Tom Burdsall (USA) Peter Welter (USA) |
Tiga-Mazda GT285 | Burdsall/Newsome | 162 | GTP Lights | 49 | 2:44.737 | ||
| DNF | 99 | Costas Los (GR)
Dudley Wood (GB) |
Tiga-Ford GT285 | Roy Baker | 160 | GTP | 33 | 2:39.624 | ||
| NC | 21 | John Hofstra (USA)
Charles Slater (USA) Mick Robinson (USA) |
Porsche 911 | Gary Wonzer | 160 | GTU | 73 | 3:00.863 | ||
| DNF | 60 | Luis Mendez (DR)
Mauricio de Narvaez (CO) |
Porsche 911 | Latino Racing | 159 | gearbox | GTU | 75 | 3:10.629 | |
| NC | 57 | Reed Kryder (USA)
Tom Palmer (USA) Todd Morici (USA) |
Nissan 280ZX (Kryderacing) | Reed Kryder | 157 | GTU | 60 | 2:49.834 | ||
| DNF | 31 | Ken Bupp (USA)
Guy W. Church (USA) E. J. Generotti (USA) |
Chevrolet Camaro (Riggins) | Ken Bupp | 156 | GTO | 39 | 2:41.957 | ||
| DNF | 11 | Chuck Kendall (USA)
Paul Lewis (USA) Max Jones (USA) |
Lola-Mazda T616 | Chuck Kendall | 153 | engine | GTP | 44 | 2:42.857 | |
| DNF | 46 | John Paul Jr (USA)
Whitney Ganz (USA) Ken Madren (USA)^ |
March-Buick 85G Hawk | Phil Conte | 151 | engine | GTP | 1 | 2:11.416 | |
| NC | 85 | William Boyer (USA)
Steve W. Roberts (USA) Michael Rand (USA) Robby Unser (USA) |
Pontiac Firebird | Highlands Racing | 151 | GTO | 52 | 2:45.754 | ||
| DNF | 71 | Amos Johnson (USA)
Dennis Shaw (USA) Jack Dunham (USA) |
Mazda RX-7 (Highball) | Amos Johnson | 150 | GTU | 57 | 2:47.199 | ||
| DNF | 30 | Pancho Carter (USA)
Buz McCall (USA) Tom Sheehy (USA) Walt Bohren (USA) |
Chevrolet Camaro (Timmons) | Buz McCall | 147 | differential | GTO | 27 | 2:35.539 | |
| DNF | 47 | Elliott Forbes-Robinson (USA)
Tommy Riggins (USA) |
Pontiac Firebird | Billy Dingman | 147 | differential | GTO | 15 | 2:29.858 | |
| DNF | 04 | Brian Redman (GB)
Vern Schuppan (AUS) Hurley Haywood (USA) |
Jaguar XJR-7 (Fabcar) | Bob Tullius | 146 | engine | GTP | 8 | 2:18.808 | |
| DNF | 9 | Rick Moore (CDN)
Hoyt Overbagh (USA) Chris Gennone (USA) |
Chevrolet Camaro (Stock Car Products) | Hoyt Overbagh | 145 | clutch | GTO | 46 | 2:43.641 | |
| DNF | 8 | Drake Olson (ZA)
A.J.Foyt (USA) Danny Sullivan (USA)* Preston Henn (USA)* |
Porsche 962 104 | Preston Henn | 141 | gearbox | GTP | 5 | 2:14.183 | |
| DNF | 89 | Tom Hunt (USA)
Jim Shelton (USA) |
Mazda RX-7 | Tom Hunt | 140 | axle | GTU | 69 | 2:56.537 | |
| DNF | 27 | Jim Fowells (USA)
David Cowart (USA) Kenper Miller (USA) |
Argo-Mazda JM19 | MSB Racing | 136 | engine | GTP Lights | 45 | 2:43.193 | |
| NC | 82 | Dave Fuller (USA)
Mark Montgomery (USA) Karl Keck (USA)^ Mark Kennedy (USA)* |
Chevrolet Corvette (Pratt) | Karl Keck | 127 | GTP | 63 | 2:52.731 | ||
| NC | 08 | Paul Romano (USA)
Jim Freeman (USA) Jim Nelson (USA) |
Mazda RX-7 | Simms/Romano | 125 | GTU | 72 | 2:57.914 | ||
| DNF | 01 | Roger Andrey (USA)
Bob Herlin (USA) Rick Mancuso (USA) Almo Coppelli (I)^ Ruggero Melgrati (I)* |
Alba-Ferrari AR2 | Gaston Andrey | 123 | ignition | GTP Lights | 30 | 2:39.005 | |
| DNF | 83 | George R.Shafer (USA)
Joseph Maloy (USA) Bill McVey (USA) |
Chevrolet Camaro (Banjo's Performance) | George R. Shafer | 114 | GTO | 43 | 2:42.628 | ||
| DNF | 44 | Bob Tullius (USA)
Chip Robinson (USA) Claude Ballot-Lena (F) |
Jaguar XJR-7 (Fabcar) | Bob Tullius | 106 | oil pump | GTP | 9 | 2:19.020 | |
| DNF | 93 | Kelly Marsh (USA)
Ron Pawley (USA) Dan Marsh (USA)^ |
Argo-Mazda JM16 | Rusty Jones | 102 | accident | GTP Lights | 26 | 2:34.889 | |
| NC | 96 | Bob Lee (USA)
Bill Julian (USA) Timothy S. Lee (USA) Jim Saxon (USA) |
Buick Skyhawk | Bob Lee | 97 | GTO | 64 | 2:54.813 | ||
| DNF | 25 | Tom Nehl (USA)
Jim Fortin (USA) Scott Gaylord (USA) |
Chevrolet Camaro (Riggins) | Lucas Truck Service | 96 | engine | GTO | 59 | 2:49.291 | |
| NC | 48 | Gary Wonzer (USA)
Miguel Pagan (PR) Bruce Dewey (USA) Tom Cripe (USA) |
Porsche 911 Carrera RSR | Gary Wonzer | 94 | GTO | 76 | 3:18.919 | ||
| DNF | 41 | Chaunce Wallace (USA)
Van McDonald (USA) Kevin Bruce (USA) |
Mazda RX-7 | Lion Rampart | 90 | gearbox | GTU | 65 | 2:55.265 | |
| DNF | 36 | Ron Case (USA)
Dave Panaccione (USA) |
Porsche 924 Carrera | Ron Case | 83 | engine | GTU | 51 | 2:45.457 | |
| DNF | 98 | Chris Cord (USA)
Dennis Aase (USA) |
Toyota Celica (AAR) | Dan Gurney | 73 | gearbox | GTO | 17 | 2:30.687 | |
| DNF | 28 | Terry Labonte (USA)
Phil Parsons (USA) Benny Parsons (USA) |
Oldsmobile Calais | Texas Enterprises | 67 | accident | GTO | 19 | 2:31.016 | |
| DNF | 13 | Frank Rubino (USA)
Ray Mummery (USA) Reggie Smith Jr (USA)^ |
Argo-Mazda JM19 | Frank Rubino | 65 | gearbox | GTP Lights | 40 | 2:42.263 | |
| DNF | 51 | David Heinz (USA)
Don Yenko (USA) Steve Zwiren (USA) |
Chevrolet Corvette (Dillon) | David Heinz | 65 | gearbox | GTO | 42 | 2:42.522 | |
| DNF | 76 | Jack Baldwin (USA)
Jim Miller (USA) |
Chevrolet Camaro (Peerless) | Rick Hendrick | 57 | fuel system | GTO | 12 | 2:26.207 | |
| DNF | 80 | Carlo Facetti (I)
Martino Finotto (I) Ruggero Melgrati (I) |
Alba-Ferrari AR6 | Gaston Andrey | 41 | gearbox | GTP Lights | 16 | 2:30.326 | |
| DNF | 05 | Jerry Kendall (USA)
Dave White (USA) Werner Frank (USA) |
Porsche 935 | Jerry Kendall | 40 | GTP | 22 | 2:33.578 | ||
| DNF | 43 | Carlos Munoz (USA)
Carlos Migoya (USA) Luis Albiza (USA) |
Chevrolet Camaro | Eurospec Imports | 40 | body damage | GTO | 50 | 2:45.092 | |
| DNF | 00 | Jim Adams (USA)
John Hotchkis Sr (USA) John Kalagian (USA) |
March-Porsche 84G | John Hotchkis Sr | 38 | engine | GTP | 11 | 2:23.728 | |
| DNF | 86 | Bob Wollek (F)
Paolo Barilla (I) Bruce Leven (USA)^ |
Porsche 962 (Holbert) HR2 | Bruce Leven | 36 | engine | GTP | 3 | 2:12.717 | |
| DNF | 24 | Carlos Reusch (RA)
Hugo Gralia (USA)^ Alan Andrea (USA)^ John Clark (USA)^ |
Mazda RX-7 | Global Racing | 28 | body damage | GTU | 61 | 2:51.380 | |
| DNF | 69 | Bill Gardner (USA)
John Greene (USA) Steve Noffke (USA) |
Chevrolet Monza | Rick Balderson | 28 | GTO | 78 | no time | ||
| DNF | 55 | Craig A. Rubright (USA)
Greg Walker (USA)^ Nort Northam (USA)^ |
Chevrolet Corvette (Lindferer) | Craig A. Rubright | 27 | accident | GTO | 53 | 2:46.169 | |
| DNF | 77 | Jeffrey Loving (USA)
James Lee (USA)^ |
Chevrolet Camaro | Sunrise Auto | 16 | fire | GTO | 74 | 3:06.171 | |
| DNF | 0 | Gianpiero Moretti (I)
Randy Lanier (USA)^ "John Winter" (D)^ |
Porsche 962 116IM | Reinhold Joest | 10 | engine | GTP | 7 | 2:17.566 | |
| DNF | 4 | Jim Mullen (USA)
Lew Price (USA)^ Carson Baird (USA)^ |
Chevrolet Corvette GTP-T711 (Lola) HU/02 | Lew Price | 9 | fire | GTP | 10 | 2:22.194 | |
| DNF | 72 | Bob Bergstrom (USA)
Paul Gentilozzi (USA)^ Gene Felton (USA)^ Tom Winters (USA)^ |
Oldsmobile Toronado (Rocketsports) | Paul Gentilozzi | 9 | gearbox | GTO | 24 | 2:34.118 | |
| DNS | 91 | Finley Tomlinson (USA)
John Finger (USA) Ron Finger (USA) |
Mazda RX-7 | Foreign Matter Racing | GTU | 54 | 2:46.592 | |||
| DNS | 56 | Bob Henderson (USA)
Timothy F.M. Lee (USA) Victor Costanzo (USA) |
Chevrolet Camaro | Timothy F.M. Lee | GTP | 77 | 3:52.880 | |||
| DNS | 12 | David Hobbs (GB)
John Watson (GB) |
BMW 86G (March) | BMW North America | fire | GTP | ||||
| DNS | 18 | Bobby Rahal (USA)
John Watson (GB) John Andretti (USA)* Davy Jones (USA)* |
BMW 86G (March) | BMW North America | accident | GTP | ||||
| DNS | 19 | John Andretti (USA)
Davy Jones (USA) David Hobbs (GB)* John Watson (GB)* |
BMW 86G (March) | BMW North America | GTP | |||||
| DNS | 68 | Jim Busby (USA)
Oscar Larrauri (RA) John Morton (USA)* |
Porsche 962 119 | Jim Busby | accident | GTP | ||||
| DNS | 79 | Skeeter McKitterick (USA)
William Koll (USA) |
Alba-Chevrolet AR3 | Paul Gentilozzi | engine | GTP Lights | ||||
| DNA | 2 | Al Leon (USA)
Art Leon (USA) Calvin Fish (USA) |
March-Porsche 85G | Leon Brothers | GTP | |||||
| DNA | 65 | Foko Gritzalis (USA)
Cameron Worth (USA) |
Mazda RX-3 | CR Enterprises | GTU | |||||
| DNA | 73 | Richard McDill (USA)
Tom Juckette (USA) Bill McDill (USA) |
Chevrolet Camaro (Dillon) | Bill McDill | GTO | |||||
| DNA | 74 | Paul Gentilozzi (USA)
Bob Bergstrom (USA) Gene Felton (USA) Tom Winters (USA) |
Oldsmobile Toronado (Rocketsports) | Paul Gentilozzi | GTO | |||||
| DNA | 06 | Joe Varde (USA)
Tico Almeida (USA) |
Alba-Buick | Bill McDill | GTP Lights |
| Winning Time: 12h02m22.989, 115.852 mph/186.445 kph |
| Fastest Lap: Derek Bell #14 (Porsche 962), 2m13.857, 130.707 mph/210.352 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) |