(Race Results)
| Pos. | No. | Drivers | Car | Entrant | Laps | Distance | Km/h | Reason | Pos. | Gr. |
| 1st | 94 | Bill Whittington | Porsche 935 K3 | Whittington Brothers Racing | 47 | 290.4544 kms | 177.6378 | | 1st | GTX |
| 2nd | 93 | Don Whittington | Porsche 935 K3 | Whittington Brothers Racing | 47 | | | | 2nd | GTX |
| 3rd | 5 | Mendez / Redman | Porsche 935 | | 47 | | | | 3rd | GTX |
| 4th | 18 | Paul / Miller | Porsche 935 JLP-1 | JLP Racing | 47 | | | | 4th | GTX |
| 5th | 09 | Preston Henn | Porsche 935/77A | | 47 | | | | 5th | GTX |
| 6th | 05 | Akin / Woods | Porsche 935 | Busch Beer | 46 | | | | 6th | GTX |
| 7th | 46 | Mauricio DeNarvaez | Porsche 911 Carrera RSR | de Narvaez Racing | 46 | | | | 1st | GTO |
| 8th | 21 | Carl Shafer | Chevrolet Camaro | | 45 | | | | 2nd | GTO |
| 9th | 03 | Werner Frank | Porsche 934 | | 45 | | | | 3rd | GTO |
| 10th | 83 | Don Devendorf | Datsun 280ZX | Electramotive | 45 | | | | 1st | GTU |
| 11th | 69 | Bytzek / Bartling | Porsche Carrera RSR | Bytzek Automotive | 44 | | | | 4th | GTO |
| 12th | 51 | Lamar Mann | Chevrolet Corvette | | 43 | | | | 5th | GTO |
| 13th | 35 | Honorato Espinosa | Porsche Carrera RSR | Botero Racing | 43 | | | | 6th | GTO |
| 14th | 7 | Walt Bohren | Mazda RX-7 | Walt Bohren Racing | 43 | | | | 2nd | GTU |
| 15th | 75 | Dale Kreider | Chevrolet Corvette | Dale Kreider | 43 | | | | 7th | GTO |
| 16th | 66 | Loving / Small | Chevrolet Camaro | | 43 | | | | 8th | GTO |
| 17th | 79 | Bob Bergstrom | Mazda RX-7 | Sports Ltd. Racing | 43 | | | | 3rd | GTU |
| 18th | 92 | Ricardo Londono | Porsche 935 | Ricardo Londono | 42 | | | DNF | 7th | GTX |
| 19th | 72 | Murray Edwards | Chevrolet Corvette | | 42 | | | | 9th | GTO |
| 20th | 13 | Angelo Pallavicini | Porsche Carrera RSR | | 42 | | | | 10th | GTO |
| 21st | 88 | Skip DeAscentis | Chevrolet Corvette | | 42 | | | | 11th | GTO |
| 22nd | 19 | Richard Kendrick | Datsun Z | | 42 | | | | 4th | GTU |
| 23rd | 6 | Morgan / Opie | Chevrolet Corvette | | 42 | | | | 12th | GTO |
| 24th | 34 | George Drolsom | Porsche 911 | Drolsom Racing | 41 | | | | 5th | GTU |
| 25th | 31 | Lopez / Gonzalez | Porsche 911 | | 41 | | | | 6th | GTU |
| 26th | 37 | Jorge Cortes | Porsche Carrera RSR | Botero Racing | 40 | | | | 13th | GTO |
| 27th | 50 | Hochreuter / Brezinka | Porsche 911 | | 40 | | | | 14th | GTO |
| 28th | 9 | Henn / Sahlman | Ferrari 365 GTB/4 | | 39 | | | | 15th | GTO |
| 29th | 33 | Aten / Welter | Porsche 911 | | 39 | | | | 7th | GTU |
| 30th | 02 | J. Kurt Roehrig | Porsche 911 | | 39 | | | | 8th | GTU |
| 31st | 08 | Wolters / Speer | Porsche 911 | Moran Construction | 39 | | | | 9th | GTU |
| 32nd | 14 | Dick Neland | Chevrolet Camaro | | 39 | | | | 16th | GTO |
| 33rd | 11 | Yenko / Mason | Chevrolet Nova | | 38 | | | DNF | 17th | GTO |
| 34th | 60 | Bond / Tilton | Porsche 911 | | 38 | | | | 10th | GTU |
| 35th | 76 | Williams / Behm | Datsun 240Z | Associated Speed & Performance | 37 | | | | 11th | GTU |
| 36th | 17 | Jeff Kline | Mazda RX-7 | Racing Beat | 36 | | | DNF | 12th | GTU |
| 37th | 06 | Bill Gallup | Porsche 911 | | 36 | | | | 13th | GTU |
| 38th | 67 | Harry Chilcot | Datsun 240Z | | 34 | | | | 14th | GTU |
| 39th | 59 | Gregg / Haywood | Porsche 935/79 | | 33 | | | | 8th | GTX |
| 40th | 63 | Bob Speakman | Mazda RX-7 | | 31 | | | DNF | 15th | GTU |
| 41st | 68 | Mendez / Ares | Porsche 911 Carrera RSR | | 31 | | | DNF | 18th | GTO |
| 42nd | 52 | Snow / Swanson | Porsche 911 | | 31 | | | DNF | 16th | GTU |
| 43rd | 27 | LaMay / Orberg | Ford Mustang | | 25 | | | | 19th | GTO |
| 44th | 23 | Carney / Davenport | Datsun 280ZX | | 23 | | | DNF | 17th | GTU |
| 45th | 65 | Wessel / Gimondo | Chevrolet Corvette | | 23 | | | DNF | 20th | GTO |
| 46th | 44 | Bob Tullius | Triumph TR8 | Group 44 | 21 | | | DNF | 21st | GTO |
| 47th | 00 | Danny Ongais | Porsche 935/77A | Interscope Racing | 20 | | | DNF | 9th | GTX |
| 48th | 38 | Bonky Fernandez | Porsche Carrera RSR | Boricua Racing | 20 | | | DNF | 22nd | GTO |
| 49th | 89 | Joseph Hamilton | Porsche 911 | Hamilton House Racing | 19 | | | DNF | 18th | GTU |
| 50th | 90 | Rick Kump | AMC AMX | Bob's Speed Products | 19 | | | DNF | 23rd | GTO |
| 51st | 80 | Maurice Carter | Chevrolet Camaro | | 18 | | | DNF | 10th | GTX |
| 52nd | 57 | Dave Heinz | Chevrolet Corvette | | 17 | | | DNF | 24th | GTO |
| 53rd | 04 | Rick Thompkins | Chevrolet Corvette | | 16 | | | DNF | 25th | GTO |
| 54th | 71 | Philip Keirn | Chevrolet Corvette | Philip Keirn | 16 | | | DNF | 26th | GTO |
| 55th | 95 | Dale Whittington | Porsche 935/77A | Whittington Brothers Racing | 14 | | | DNF | 11th | GTX |
| 56th | 8 | Chuck Grantham | Porsche Carrera | | 9 | | | DNF | 27th | GTO |
| 57th | 77 | Jim Downing | Mazda RX-7 | Roger Mandeville | 8 | | | DNF | 19th | GTU |
| 58th | 99 | Phil Currin | Chevrolet Corvette | Full-Time Racing | 7 | | | DNF | 28th | GTO |
| 59th | 74 | Josele Garza | Porsche Carrera | | 6 | | | DNF | 29th | GTO |
| 60th | 58 | Diego Febles | Porsche 911 Carrera RSR | | 5 | | | DNF | 30th | GTO |
| 61st | 2 | David Hobbs | BMW 320i Turbo | McLaren North America | 4 | | | DNF | 12th | GTX |
| 62nd | 39 | Bob Fryer | AMC Javelin | | 3 | | | DNF | 31st | GTO |
| 63rd | 4 | Bob Baechle | Chevrolet Corvette | | 2 | | | DNF | 32nd | GTO |
| 64th | 20 | Ernie Smith | Alfa Romeo Alfetta | | 2 | | | DNF | 20th | GTU |
| 65th | 10 | Sidney Smith | Porsche 914/6 | | 1 | | | DNF | 21st | GTU |
| 66th | 48 | John Carusso | Chevrolet Corvette | Autodyne | 1 | | | DNF | 33rd | GTO |
| 67th | 54 | Terry Herman | Porsche Carrera RSR | Montura Racing | 0 | | | DNF | 34th | GTO |
Did not start:
| No. | Drivers | Car | Entrant | Reason | Gr. |
| 0 | Ted Field | Porsche 935/79 | Interscope Racing | Accident in practice | GTX |
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