| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Peter Gregg Hurley Haywood | 59 | Brumos Porsche | Porsche Carrera RSR 911 460 9054 | 684 | 12,200 | running | |
| 2 | 16 | Michael Keyser Billy Sprowls Andres Contreras | 11 | Toad Hall | Porsche Carrera RSR 911 460 9049 | 669 | 6,050 | running | |
| 3 | 11 | Charlie Kemp Carson Baird | 23 | Armor All | Porsche Carrera RSR | 668 | 3,050 | running | |
| 4 | 12 | Jacques Bienvenue George Dyer | 30 | George Dyer | Porsche Carrera RSR 911 460 9048 | 665 | 1,500 | running | |
| 5 | 20 | Bill Webbe George Dickinson Harry Theodoracopulos | 4 | Bill Webbe | Porsche Carrera RSR | 623 | 1,300 | running | |
| 6 | 10 | John O'Steen Dave Helmick John Graves | 43 | Escar | Porsche Carrera RSR | 619 | 1,200 | running | |
| 7 | 22 | Jon Woodner Fred Phillips | 71 | North American Racing Team | Ferrari 365 GTB/4 16343 | 613 | 1,150 | running | |
| 8 | 5 | Al Holbert Elliott Forbes-Robinson | 14 | Porsche-Audi USA | Porsche Carrera RSR 005 0009 | 607 | 1,100 | gearbox | |
| 9 | 8 | Guillermo Rojas y Quer de Barceló Héctor Alonso Rebaque Fred Van Beuren IV | 5 | Hector Rebaque | Porsche Carrera RSR 911 360 0328 | 592 | 1,050 | running | |
| 10 | 32 | Rusty Bond George Rollin John Belperche | 60 | Rusty Bond | Porsche 911S | 567 | 2,000 | running | |
| 11 | 34 | Mike Tillson Dieter Oest | 92 | Oest/Tillson | Porsche Carrera RSR | 566 | 950 | running | |
| 12 | 25 | Randolph Townsend John Thomas Peter Papke | 13 | Randolph Townsend | Porsche Carrera RSR | 562 | 900 | running | |
| 13 | 29 | George Drolsom Bob Nagel | 34 | George Drolsom | Porsche 911S | 558 | 1,450 | running | |
| 14 | 43 | Ray Walle Tom Reddy | 90 | Ray Walle | Mazda RX-3 | 557 | 1,200 | running | |
| 15 | 23 | Dave McClain Dave White Frank Harmstad | 67 | David McClain | Porsche Carrera RSR 911 360 0701 | 546 | 750 | running | |
| 16 | 50 | Don Freyre Albert Naon Tony Garcia | 44 | Delta Racing | Porsche 911S | 542 | 700 | running | |
| 17 | 46 | Amos Johnson Steve Coleman Dennis Shaw | 7 | Levi's Team Highball | AMC Gremlin | 538 | 650 | running | |
| 18 | 37 | John Hulen Ron Coupland Nick Engels | 85 | John E. Hulen | Porsche 914/6 | 528 | 900 | running | |
| 19 | 9 | Jerry Thompson Andrew Bach Don Yenko | 18 | Jerry Thompson | Chevrolet Corvette | 517 | 550 | did not finish | |
| 20 | 31 | Dave Mroz Richard Mroz | 32 | Roaring Moose | Ford Mustang | 497 | 500 | running | |
| 21 | 36 | Bill Arnold Bob Bienerth | 73 | Bill Arnold | Chevrolet Corvette | 450 | 450 | running | |
| 22 | 44 | Mike Williamson Al Cosentino Charles Gano | 26 | Al Cosentino | Chevrolet Camaro | 441 | 400 | running | |
| 23 | 39 | Armando Ramirez Camilo Mutiz Juan Montalvo Mandy Alvarez | 45 | Delta Racing | Porsche 911S | 435 | 450 | did not finish | |
| 24 | 48 | Richard Hughes Robert Whitaker Fred Geisel | 12 | Precision Performance | Datsun 510 | 435 | 400 | running | |
| 25 | 17 | Herb Jones Jr. Phil Currin Steve Faul | 41 | Herb Jones Jr. | Chevrolet Camaro | 427 | 0 | engine | |
| 26 | 49 | Bruce Mabrito Jack Steel | 29 | Bruce Mabrito | Datsun 240Z | 420 | 0 | running | |
| 27 | 28 | Ramon de Izaurieta Sergio Tabe Fidel Martinez | 95 | Hector Rebaque | Porsche Carrera | 407 | 0 | did not finish | |
| 28 | 24 | Milt Minter Claude Ballot-Léna Giancarlo Gagliardi | 0 | North American Racing Team | Ferrari 365 GTB/4 14141 | 392 | 0 | drive shaft | |
| 29 | 41 | James Alspaugh Gene Persinger | 98 | James W. Persinger | Chevrolet Corvette | 392 | 0 | running | |
| 30 | 4 | Maurice Carter Gene Felton | 88 | Carter Racing Services | Chevrolet Camaro | 346 | 0 | accident | |
| 31 | 14 | Jon Ward Phil Henny Dave Barnett | 27 | Jon Ward | Chevrolet Camaro | 303 | 0 | did not finish | |
| 32 | 40 | Spencer Buzbee Craig Ross William Frates | 46 | Spencer Buzbee | Datsun 240Z | 275 | 0 | did not finish | |
| 33 | 3 | Sam Posey Hans Joachim Stuck | 24 | BMW of America | BMW 3.0 CSL | 274 | 0 | engine | |
| 34 | 35 | C.C. Canada Russ Boykin Guido Levetto | 64 | Russ Boykin | Chevrolet Camaro | 255 | 0 | did not finish | |
| 35 | 58 | Harry Jones Marcel Mignot Cyril Grandet | 56 | Ferrari 365 GTB/4 13367 | 238 | 0 | oil leak | ||
| 36 | 30 | Len Jones Robert Kirby John Hotchkis | 51 | Johnson-Bozzoni Porsche-Audi | Porsche 914/6 | 229 | 0 | engine | |
| 37 | 47 | Art Mollin Michael Gatoff Art Riley | 83 | Arthur Mollin | Volvo 142 | 219 | 0 | did not finish | |
| 38 | 26 | Vince Gimondo Dave Heinz Bert Everett | 17 | Takondo Racing | Chevrolet Camaro | 201 | 0 | oil cooler | |
| 39 | 6 | Juan Carlos Bolaños Michel Jourdain Declercq Hans Heyer | 9 | Juan Carlos Bolanos | Porsche Carrera RSR 911 360 1099 | 191 | 0 | engine | |
| 40 | 33 | Don Parish Tom Countryman Jim Secher | 89 | Barrick Motor Racing | Porsche 911S | 158 | 0 | did not finish | |
| 41 | 45 | Klaus Selbert David Biggs | 84 | Klaus Selbert | Porsche 911S | 151 | 0 | did not finish | |
| 42 | 1 | John Greenwood Vince Muzzin Carl Shafer | 75 | John Greenwood | Chevrolet Corvette | 148 | 0 | accident | |
| 43 | 15 | Tony de Lorenzo Richard Brown Maurice Carter | 87 | Carter Racing Services | Chevrolet Camaro | 125 | 0 | accident | |
| 44 | 42 | Anatoly Arutunoff Brian Goellnicht Alf Gebhardt | 28 | Anatoly Arutunoff | Lotus Europa | 114 | 0 | head gasket | |
| 45 | 13 | Javier Garcia George Garcia | 15 | Garcia Racing | Chevrolet Corvette | 110 | 0 | did not finish | |
| 46 | 21 | John Carusso Dick Vreeland Luis Sereix | 42 | John Carusso | Chevrolet Corvette | 59 | 0 | engine | |
| 47 | 27 | Tom Nehl Milton Moise | 110 | Automotive Engineering | Chevrolet Camaro | 41 | 0 | running | |
| 48 | 38 | Paul Spruell Bill Bean | 16 | Bill Bean | Porsche 911S | 35 | 0 | running | |
| 49 | 51 | Gilberto Jimenez Patricio Zambrano Luis Lambreton | 72 | Cafe Mexicana Racing | Mazda RX-2 | 34 | 0 | did not finish | |
| 50 | 2 | Ronnie Peterson Brian Redman | 25 | BMW of America | BMW 3.0 CSL | 29 | 0 | engine | |
| 51 | 18 | Claude Ballot-Léna Alain Cudini Milt Minter | 1 | North American Racing Team | Ferrari 365 GT4/BB 18139 | 0 | 0 | suspension | |
| 52 | 19 | Steve Coleman Amos Johnson | 69 | Coleman/Johnson | Chevrolet Vega | 0 | 0 | did not start | 0 |
| 53 | 52 | Jim Corwin Jerry Mull | 00 | Jim Corwin | Chevrolet Camaro | 0 | 0 | did not start | 0 |
| 54 | 53 | John Morton | 20 | Francisco Mir | Ferrari 365 GTB/4 16367 | 0 | 0 | did not start | 0 |
| 55 | 54 | Sepp Greger Eberhard Sindel Dieter Schmid | 32 | Sepp Greger | Porsche Carrera | 0 | 0 | did not start | 0 |
| 56 | 55 | Bob Punch John Rulon-Miller Tom Waugh | 52 | Brandt Doell | Porsche 911S | 0 | 0 | did not start | 0 |
| 57 | 57 | Lee Cutler | 55 | Cutler/Pickens | Porsche 914/6 | 0 | 0 | did not start | 0 |