| Pos. | No. | Driver / Nationality | Car | Entrant | Laps | Time/retired | Grp Pos | Group | Grid | Qual Time |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 94 | Don Whittington (USA)
Bill Whittington (USA) |
Porsche 935-79 9309900026 | Whittington Brothers | 195 | 6:01:27,247 | 1 | GTX | 7 | 1:45.370 |
| 2 | 18 | John Paul Sr (USA)
Al Holbert (USA) |
Porsche 935JLP-1 (Fabcar) | John Paul Sr | 195 | 6:02:54.091 | 2 | GTX | 2 | 1:42.869 |
| 3 | 16 | George Follmer (USA)
Brett Lunger (USA) Derek Bell (GB) John Morton (USA)* |
Porsche 935 | Vasek Polak | 189 | 3 | GTX | 45 | no time | |
| 4 | 9 | Rob McFarlin (USA)
Roy Woods (USA) Bob Akin (USA) |
Porsche 935-77A 9307700959 | Dick Barbour | 189 | 4 | GTX | 13 | 1:48.731 | |
| 5 | 59 | Peter Gregg (USA)
Klaus Ludwig (D) |
Porsche 935-79 9308900018 | Brumos Porsche | 185 | 5 | GTX | 1 | 1:40.796 | |
| 6 | 6 | Rolf Stommelen (D)
Brian Redman (GB) Dick Barbour (USA) |
Porsche 935 9308900024 | Dick Barbour | 183 | 6 | GTX | 3 | 1:44.247 | |
| 7 | 07 | David Cowart (USA)
Kenper Miller (USA) |
Porsche 911 Carrera | Morrison | 181 | 1 | GTO | 24 | 1:56.912 | |
| 8 | 54 | Tony Garcia (USA)
Terry Herman (USA) Alberto Vadia Jr (USA)* |
Porsche 911 Carrera | Montura Racing | 181 | 2 | GTO | 18 | 1:54.857 | |
| 9 | 4 | Skeeter McKitterick (USA)
Bob Garretson (USA) Gary Belcher (USA) Bob Bondurant (USA)* |
Porsche 935 0910-DBR1 | Dick Barbour | 179 | 7 | GTX | 12 | 1:48.675 | |
| 10 | 83 | Don C. Devendorf (USA)
Tony Adamowicz (USA) |
Datsun 280ZX | Don C. Devendorf | 178 | 1 | GTU | 23 | 1:56.397 | |
| 11 | 23 | Jim Cook (USA)
Robert Kirby (USA) |
Porsche 911 Carrera | Cerwin-Vega | 176 | 3 | GTO | 19 | 1:55.668 | |
| 12 | 79 | Bob Bergstrom (USA)
Brad Frisselle (USA) |
Mazda RX-7 | Bob Bergstrom | 175 | 2 | GTU | 47 | no time | |
| 13 | 62 | William Koll (USA)
Bill bean (USA) |
Porsche 914/6 | William Koll | 174 | 3 | GTU | 31 | 1:59.844 | |
| 14 | 77 | Roger Mandeville (USA)
Jim Downing (USA) |
Mazda RX-7 | Roger Mandeville | 174 | 4 | GTU | 30 | 1:59.306 | |
| 15 | 21 | Steve Earle (USA)
Pete Smith (USA) |
Porsche 911 Carrera | Vasek Polak | 173 | 8 | GTX | 41 | no time | |
| 16 | 46 | Mauricio de Narvaez (CO)
Albert Naon (USA) |
Porsche 911 Carrera | Mauricio de Narvaez | 173 | 4 | GTO | 32 | 2:00.112 | |
| 17 | 24 | Tom Frank (USA)
Ralph Kent Cooke (USA) |
Chevrolet Monza (DeKon) 1004 | Tom Frank | 172 | 9 | GTX | 15 | 1:52.349 | |
| 18 | 35 | Stu Fisher (USA)
Ed Parks (USA) |
Mazda RX-7 | JLC Racing | 171 | 5 | GTU | 34 | 2:00.288 | |
| 19 | 7 | Walt Bohren (USA)
Ron Cortez (USA) |
Mazda RX-7 | Walt Bohren | 171 | 6 | GTU | 55 | no time | |
| 20 | 06 | Jon Milledge (USA)
Darrel Overstreet (USA) |
Porsche 914/6 | Darrel Overstreet | 170 | 7 | GTU | 33 | 2:00.169 | |
| 21 | 60 | Rusty Bond (USA)
Ren Tilton (USA) |
Porsche 911 | E.J.Pruitt | 167 | 8 | GTU | 43 | no time | |
| NRF | 55 | Howard Meister (USA)
Rick Knoop (USA) |
Porsche 911 Carrera | Alan L. Johnson | 166 | 5 | GTO | 16 | 1:53.020 | |
| 23 | 82 | Rodger Harrison (USA)
Bill Brewster (USA) |
Porsche 914/6 | Schneider Authaus | 164 | 9 | GTU | 40 | no time | |
| 24 | 56 | Rick Borlase (USA)
Don Kravig (USA) |
Porsche 911 | Rick Borlase | 158 | 6 | GTO | 35 | 2:00.558 | |
| 25 | 39 | Cliff Hansen (USA)
John Higgins (USA) Jim Trueman (USA)* |
Porsche 911 | Barrick Motor Racing | 156 | 10 | GTU | 51 | no time | |
| 26 | 32 | Honorato Espinosa (CO)
Francisco Lopez (CO) Jorge Cortes (CO) |
Porsche 911 Carrera | Luis Botero | 152 | 7 | GTO | 21 | 1:56.076 | |
| 27 | 38 | Tato Ferrer (PR)
Bonky Fernandez (PR) |
Porsche 911 Carrera RSR 460 9113 | Boricua Racing | 143 | 8 | GTO | 20 | 1:55.806 | |
| 28 | 8 | Anatoly Arutunoff (USA)
Jose Marina (USA) |
Lancia Stratos | Anatoly Arutunoff | 141 | 11 | GTU | 53 | no time | |
| NRF | 10 | Otis Chandler (USA)
John H. Thomas Jr (USA) |
Porsche 935-79 9309900027 | Otis Chandler | 136 | GTX | 11 | 1:48.215 | ||
| DNF | 64 | Dennis Aase (USA)
Alan Johnson (USA) |
Porsche 911 | Dennis Aase | 127 | GTU | 25 | 1:57.047 | ||
| NC | 52 | Wayne Baker (USA)
Tom WInters (USA) Paul Haas (GB)* |
Porsche 914 | Wayne Baker | 123 | GTU | 50 | no time | ||
| DNF | 17 | Jeff Kline (USA)
Jim Mederer (USA) |
Mazda RX-7 | Mederer/Oku | 113 | GTU | 28 | 1:58.600 | ||
| DNF | 01 | Dave White (USA)
Pat Bedard (USA) |
BMW 320i | J. Kurt Roehrig | 113 | GTU | 36 | 2:00.946 | ||
| DNF | 00 | Ted Field (USA)
Milt Minter (USA) |
Porsche 935 | Ted Field | 100 | GTX | 9 | 1:47.386 | ||
| DNF | 09 | Bob Bondurant (USA)
Preston Henn (USA) Bill Whittington (USA)* |
Porsche 935 9308900015 | Preston Henn | 99 | GTX | 8 | 1:45.521 | ||
| DNF | 49 | Phil Currin (USA)
John Carusso (USA) |
Chevrolet Corvette | John Carusso | 90 | GTO | 17 | 1:53.958 | ||
| DNF | 5 | Charles Mendez (USA)
Paul Miller (USA) |
Porsche 935 9307700911 | Charles Mendez | 88 | GTX | 10 | 1:47.909 | ||
| DNF | 2 | Manfred Winkelhock (D)
David Hobbs (GB) Jim Busby (USA)^ |
BMW 320i | McLaren North America | 55 | GTX | 6 | 1:45.284 | ||
| DNF | 19 | Chris Cord (USA)
Jim Adams (USA) |
Chevrolet Monza (DeKon) 1011 | Chris Cord | 48 | GTX | 5 | 1:44.760 | ||
| DNF | 48 | Frank Leary (USA)
Casey Mollett (USA) |
Datsun 240Z | Frank Leary | 42 | GTU | 49 | no time | ||
| DNF | 25 | Bob Zulkowski (USA)
Bernie Storc (USA) |
Porsche 914/6 | Metalcraft Racing | 42 | GTU | 54 | no time | ||
| DNF | 30 | Gianpiero Moretti (I)
Hurley Haywood (USA) |
Porsche 935-77A | Gianpiero Moretti | 41 | GTX | 46 | no time | ||
| DNF | 34 | Craig Richie (USA)
Jeff Scott (USA)^ Mike Miller (USA)^ |
Porsche 911 | Craig Richie | 40 | GTU | 26 | 1:58.059 | ||
| DNF | 37 | Gerry Wellik (USA)
Doug Rippie (USA)^ |
Chevrolet Corvette | Doug Rippie | 39 | GTO | 37 | no time | ||
| DNF | 33 | Sam Posey (USA)
Paul Newman (USA)^ Jim Fitzgerald (USA)* |
Datsun 280ZX | Bob Sharp | 37 | GTU | 27 | 1:58.240 | ||
| DNF | 26 | John Ware (USA)
Tony Rouff (USA)^ |
Chevrolet Camaro | John Ware | 36 | GTO | 39 | no time | ||
| DNF | 51 | Tom Lawson (USA)
John Goodspeed (USA)^ Robert Douglas (USA)^ |
Porsche 914/6 | John Goodspeed | 34 | GTU | 44 | no time | ||
| DNF | 63 | Greg Gustafson (USA)
Pete Halsmer (USA) Harry Worley (USA)^ |
Porsche 911 | Greg Gustafson | 32 | GTU | 48 | no time | ||
| DNF | 41 | Herb Jones Jr (USA)
Steve Foul (USA)^ |
Chevrolet Camaro | Herb Jones Jr | 32 | GTX | 22 | 1:56.155 | ||
| DNF | 31 | Tom Alan Marx (USA)
Marc Rotham (USA)^ Michael Hammond (USA)^ |
Porsche 911 Carrera | RSR Associates | 13 | GTO | 29 | 1:59.270 | ||
| DNF | 11 | Bobbee Nylander (USA)
Gary Nylander (USA)^ |
Porsche 911 | Race Tech | 13 | GTU | 42 | no time | ||
| DNF | 3 | Jim Busby (USA)
Toine Hezemans (NL)^ David Hobbs (GB)* |
BMW 320i (Blakeley) | Jim Busby | 8 | GTX | 4 | 1:44.423 | ||
| DNF | 13 | Hal Shaw Jr (USA)
Carlos Moran (ES)^ Michael Brockman (USA)^ |
Porsche 935 9306700180 | Hal Shaw Jr | 6 | GTX | 14 | 1:51.051 | ||
| DNF | 22 | Rich Mandella (USA)
Norm Ridgely (CDN)^ Jeffrey A. Stephens (USA)^ |
Porsche 914/6 | Cerwin-Vega | 5 | GTU | 38 | no time | ||
| DNF | 36 | Ron Case (USA)
Tim Sharp (USA) Dave Panaccione (USA)* |
Porsche 911 | Ron Case | 1 | GTU | DNQ | 2:08.548 | ||
| DNS | 12 | Armando Gonzalez (PR)
John Morton (USA) Randolph Townsend (USA)* |
Porsche 935 | Vasek Polak | GTX | 52 | no time | |||
| DNS | 15 | Alf Gebhardt (USA)
Bruno Beilcke (USA) |
BMW 3.5 CSL | Bavarian Motors International | GTO | 56 | no time | |||
| DNQ | 75 | Patrick Pearson (USA)
Ron Cortez (USA) |
Ford Mustang | Patrick Pearson | GTO | no time | ||||
| DNQ | 14 | David Vegher (USA)
Tom Hines (USA) |
Alfa Romeo GTV | Veloce Motors West | GTU | 2:10.240 | ||||
| DNS | 88 | Barry Maashoff (USA)
Joe Korpiel (USA) Ted Maashoff (USA) |
Porsche 911 | Crismark | GTO | 2:05.310 | ||||
| DNS | 66 | Jo Crevier (USA)
Erich Laetsch (USA) Skeeter McKitterick (USA) |
Ferrari 365GTB/4 Daytona 16343 | Jo Crevier | GTO | 2:09.265 | ||||
| DNS | 20 | Larry Stephans (USA) | Chevrolet Corvette | Larry Stephans | GTX | |||||
| DNS | 45 | Mike Perlin (USA)
Ken McNicol (USA) |
Porsche 911 | Mike Perlin | GTU | |||||
| DNS | 78 | David Burns (USA)
Andy Scopazzi (USA) |
Alfa Romeo GTV | Anthony's Auto Craft | GTU | |||||
| DNS | 0T | Ted Field (USA)
Milt Minter (USA) |
Porsche 935-79 9309900029 | Ted Field | GTX | |||||
| DNS | 83T | Don C. Devendorf (USA)
Tony Adamowicz (USA) |
Datsun 280Z | Don C. Devendorf | GTU | |||||
| DNA | 40 | Bill Craine (USA)
Ted Mathey (USA) |
Chevrolet Corvette | Bill Craine | GTX | |||||
| DNA | 43 | Bob Gregg (USA)
Leonard Jones (USA) |
Porsche 911 | Bob Gregg | GTU | |||||
| DNA | 47 | William L. Shaw (USA)
Raul Cordoba (USA) Greg La Cava (USA) |
Honda Civic | William L. Shaw | GTX | |||||
| DNA | 76 | Joe Chamberlain (USA) | Chevrolet Corvette | Arrow Racing | GTX | |||||
| DNA | 85 | Mark Pielsticker (USA)
Don Gallant (USA) |
Chevrolet Monza | Mark Pielsticker | GTO |
| Winning Time: 6h01m27.247, 106.819 mph/171.907 kph |
| Fastest Lap: Peter Gregg #59 (Porsche 935-79), 1m43.870, 114.374 mph/184.066 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) |