| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Pedro Rodríguez de la Vega Jackie Oliver | 2 | J. W. Automotive Engineering | Porsche 917K 034/013 | 688 | 17,000 | running | |
| 2 | 6 | Ronnie Bucknum Tony Adamowicz Alain de Cadenet | 23 | North American Racing Team | Ferrari 512 S Spyder 1006 | 687 | running | ||
| 3 | 1 | Mark Donohue David Hobbs | 6 | Penske-White Racing | Ferrari 512 M spec. 1040 | 674 | running | ||
| 4 | 9 | Tony de Lorenzo Don Yenko John Mahler | 11 | Owens Corning Fiberglass | Chevrolet Corvette | 613 | running | ||
| 5 | 13 | Nestor García Veiga Luigi Chinetti Jr. Alain de Cadenet | 21 | North American Racing Team | Ferrari 312 P/71 0872 | 584 | running | ||
| 6 | 16 | Dave Heinz Or Costanzo | 57 | David Heinz Racing Inc. | Chevrolet Corvette | 581 | running | ||
| 7 | 28 | Jacques Duval George Nicholas Bob Bailey | 5 | Sun Oil Company | Porsche 914/6 914 043 1017 | 579 | running | ||
| 8 | 32 | Steve Behr John Buffum Erwin Kremer | 19 | Ralph Meaney | Porsche 914/6 914 043 0691 | 571 | running | ||
| 9 | 27 | Bert Everett Jim Locke Jim Netterstrom | 31 | Locke Lake Colony | Porsche 911 T 11810429 | 570 | running | ||
| 10 | 14 | John Greenwood Allan Barker Dick Lang | 50 | John Greenwood | Chevrolet Corvette | 554 | running | ||
| 11 | 17 | Vince Gimondo Chuck Dietrich | 17 | Tokondo Racing | Chevrolet Camaro Z28 | 542 | running | ||
| 12 | 18 | Clive Baker Bob Grossman Sam Brown Charles Reynolds | 45 | Baker Motor Company | Chevron B16 Ford | 534 | running | ||
| 13 | 41 | Javier Garcia Luis Sereix Richard Small | 42 | Jose M. Garcia | Chevrolet Camaro Z28 | 527 | running | ||
| 14 | 33 | Ray Walle Michael Sherwin | 10 | Walle Enterprises | Porsche 911 S | 498 | running | ||
| 15 | 38 | Jean-Pierre Hanrioud Jean Sage | 43 | Jean-Pierre Hanrioud | Chevron B16 Ford | 488 | running | ||
| 16 | 40 | Bob Hindson Kendall Noah Art Bunker | 44 | Art Bunker | Porsche 911 T | 488 | running | ||
| 17 | 46 | James Gammon Dean Donley Carlos Garza | 51 | Waldron Motors Racing Team | MGB GT | 483 | running | ||
| 18 | 20 | Robert Luebbe Bob Baechle John Orr | 64 | Robert Luebbe | Chevrolet Corvette | 469 | running | ||
| 19 | 37 | Ray Brimble Houghton Smith | 89 | H. Houghton Smith | Chevrolet Camaro | 452 | running | ||
| 20 | 22 | Bob Mitchell Charlie Kemp | 72 | Robert R. Mitchell | Chevrolet Camaro | 408 | running | ||
| 21 | 33 | Ralph Meaney Bill Bean Gary Wright | 18 | Ralph Meaney | Porsche 914/6 914 043 0663 | 470 | did not finish | ||
| 22 | 12 | Helmut Marko Rudi Lins | 3 | Martini & Rossi Racing Team | Porsche 917K 019 | 462 | accident | ||
| 23 | 31 | John McComb Bob Tullius | 33 | John McComb | Ford Mustang | 395 | head gasket | ||
| 24 | 25 | Warren Matzen Tom Heyser Dick Sears | 36 | Racing Specialties Co. | Ford Mustang | 369 | head gasket | ||
| 25 | 39 | Michael Keyser Bob Beasley Bruce Jennings | 16 | Toad Hall Racing | Porsche 911 S | 337 | engine | ||
| 26 | 47 | Ben Scott Lowell Lanier Dave Houser | 52 | Waldron Motors Racing Team | MGB GT | 311 | did not finish | ||
| 27 | 24 | Warren Stumes Don Cummings | 97 | Susan Trumbull Cummings | Shelby GT350 | 306 | did not finish | ||
| 28 | 11 | Vic Elford Gijs van Lennep | 4 | Martini & Rossi Racing Team | Porsche 917K 023 | 274 | accident | ||
| 29 | 23 | Peter Gregg Hurley Haywood | 59 | Brumos Porsche Audi Corp | Porsche 914/6 914 043 0705 | 260 | engine | ||
| 30 | 21 | Ed Matthews Swede Savage Danny Ongais | 98 | Ed Matthews | Ford Mustang | 238 | head gasket | ||
| 31 | 15 | John Tremblay Bill McDill Bob Beatty | 47 | Bruce Behrens Racing | Chevrolet Camaro | 230 | did not finish | ||
| 32 | 26 | Norberto Mastandrea Tony Lilly | 88 | Norberto Mastandrea | Chevrolet Camaro Z28 | 215 | did not finish | ||
| 33 | 3 | Peter Revson Sam Posey Charles Parsons Luigi Chinetti Jr. | 22 | North American Racing Team | Ferrari 512 M 1020 | 202 | engine | ||
| 34 | 30 | Peter Kirill Ash Tisdelle | 15 | K &T Enterprises | Porsche 911 S | 163 | engine | ||
| 35 | 7 | Arturo Merzario José Juncadella | 28 | Escuderia Montjuich | Ferrari 512 S 1002 | 161 | fuel pump | ||
| 36 | 48 | John Belperche William Davidson | 70 | William A. Davidson | Triumph GT6 | 157 | did not finish | ||
| 37 | 29 | C.C. Canada Joe Hines Wilbur Pickett | 14 | Boykin Auto Repairs | Chevrolet Camaro Z28 | 137 | engine | ||
| 38 | 8 | Hughes de Fierlant Gustave Gosselin | 26 | Jacques Swaters | Ferrari 512 S 1030 | 124 | oil pressure | ||
| 39 | 35 | John Cordts Don Pike | 92 | B.F. Goodrich Tire Co. | Pontiac Firebird | 121 | did not finish | ||
| 40 | 4 | Jo Siffert Derek Bell | 1 | J. W. Automotive Engineering | Porsche 917K 004/017 | 113 | engine | ||
| 41 | 19 | Dan Moore Hal Lawrence Gary Bishop | 79 | Danny L. Moore | Shelby GT350 | 106 | did not finish | ||
| 42 | 36 | Tom Nehl Charles Perry | 8 | American Racing Promotions | Porsche 911 S | 88 | accident | ||
| 43 | 10 | Jerry Thompson John Mahler | 12 | Owens Corning Fiberglass | Chevrolet Corvette | 83 | timing chain | ||
| 44 | 42 | Fritz Hochreuter Rudy Bartling Horst Petermann Rainer Brezinka | 40 | Fritz Hochreuter | Porsche 911 | 58 | did not finish | ||
| 45 | 45 | Sheldon Dobkin John Maynard John Oliver | 48 | S-Car-Go-Racing | Chevrolet Camaro | 37 | brakes | ||
| 46 | 34 | Al Straub Walter Brown | 74 | Al Straub | Ford Mustang | 35 | accident | ||
| 47 | 5 | Masten Gregory Gregg Young John Cannon | 20 | Young American Racing | Ferrari 512 M 1014 | 16 | engine | ||
| 48 | 44 | Ralph Noseda Jeff Stevens Pepe Nunez Raymond Mummery | 91 | Larrauri Racing | Chevrolet Camaro Z28 | 9 | gearbox | ||
| 49 | 49 | Paul Pettey Larry Bock | 75 | Reventlow-Pettey Automobiles | Ford Mustang | 0 | did not start | 0 | |
| 50 | 50 | Bobby Rinzler Wayne Christian Tom Fraser Jim Baker | 46 | Baker Motor Company | Chevron B16 Ford | 0 | did not start | 0 | |
| 51 | 51 | Bobby Clark Don Kearney | 55 | Clearwater Datsun | Datsun 510 | 0 | did not qualify | 0 | |
| 52 | 52 | Robert Clark Donald Rhindress | 65 | Homeline Corp. | Lancia Fulvia HF | 0 | did not qualify | 0 | |
| 53 | 53 | Robert Whitaker John Tunstall Ray Reed | 93 | Donald S. Wright | Volvo P1800 | 0 | did not qualify | 0 | |
| 54 | 54 | Robert Lewis Charles Fairbrother | 73 | Robert E. Lewis | Ford Cortina GT | 0 | did not qualify | 0 | |
| 55 | 55 | Paul Fleming Amos Johnson Bill Barnes | 38 | Simone N. Fleming | Fiat 124 Sport Coupé | 0 | did not qualify | 0 | |
| 56 | 56 | Del Taylor Ron Goldrich Buzz Dyer Ron Goldleaf | 41 | Del Taylor | Alfa Romeo GTV | 0 | did not qualify | 0 | |
| 57 | 57 | Larry Wilson Vincent P. Collins | 35 | Collins-Wilson Racing Ent. | Chevrolet Camaro | 0 | did not qualify | 0 | |
| 58 | 58 | Buzz Marcus Larry Dent | 77 | Grand Prix Motors | BMW 2002 | 0 | did not qualify | 0 | |
| 59 | 59 | Robert R. Johnson Donna Mae Mims Kirt Wetzel Bob Nagel | 37 | Yenko Sportscars Inc. | Chevrolet Vega | 0 | did not qualify | 0 | |
| 60 | 60 | Fred Lieb Smokey Drolet Mitch Daroff | 80 | Fred Lieb | Dodge Dart | 0 | did not qualify | 0 | |
| 61 | 61 | Mike Tillson Dieter Oest Rodolfo Junco | 81 | Dieter R. Oest | Lancia Fulvia Rallye | 0 | did not qualify | 0 | |
| 62 | 62 | John Elliott Don Gwynne Jr. | 87 | Preston Hood Chevrolet | Chevrolet Camaro | 0 | did not qualify | 0 |