| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Mario Andretti Jacky Ickx | 2 | Scuderia Ferrari | Ferrari 312 PB 0888 | 194 | 12,000 | running | |
| 2 | 3 | Tim Schenken Ronnie Peterson | 6 | Scuderia Ferrari | Ferrari 312 PB 0892 | 192 | 5,300 | running | |
| 3 | 6 | Vic Elford Helmut Marko | 5 | Autodelta SpA | Alfa Romeo T33/TT/3 11572-002 | 190 | running | ||
| 4 | 2 | Clay Regazzoni Brian Redman | 4 | Scuderia Ferrari | Ferrari 312 PB 0890 | 179 | running | ||
| 5 | 8 | Nanni Galli Andrea de Adamich Nino Vaccarella Toine Hezemans | 9 | Autodelta SpA | Alfa Romeo T33/3-71 75080-023 | 175 | running | ||
| 6 | 26 | Tom Waugh Hugh Kleinpeter | 56 | Hugh Kleinpeter | Lola T212 Ford | 166 | running | ||
| 7 | 21 | Hurley Haywood Peter Gregg | 59 | Brumos Porsche | Porsche 911 S | 166 | running | ||
| 8 | 12 | Robert R. Johnson Dave Heinz | 57 | Dave Heinz | Chevrolet Corvette | 163 | running | ||
| 9 | 17 | Roger McCaig Maurice McCaig | 55 | Roger McCaig | Lola T212 HU37/Ford | 161 | running | ||
| 10 | 27 | Jim Locke Bob Bailey | 61 | James N. Locke | Porsche 911 S | 161 | running | ||
| 11 | 28 | Bob Mitchell Bob Christiansen | 94 | Bolus & Snopes | Chevrolet Camaro | 158 | running | ||
| 12 | 24 | Vince Gimondo Chuck Dietrich | 47 | Vincenzo Gimondo | Chevrolet Camaro | 157 | running | ||
| 13 | 56 | Daniel Muniz Ruben Novoa Juan Izquierdo | 81 | Daniel Muniz | Porsche 914/6 914 143 0332 | 155 | running | ||
| 14 | 38 | Peter Kirill Russell Norburn | 41 | Kirill Racing | Porsche 911 S | 152 | running | ||
| 15 | 36 | Charles Reynolds Clive Baker Bob Grossman | 18 | Ring Free Oil | Ferrari 365 GTB/4 14485 | 152 | running | ||
| 16 | 51 | John Tremblay David Ellis-Brown | 17 | C. C. Canada | Chevrolet Camaro | 152 | running | ||
| 17 | 48 | Bert Gafford Houghton Smith Tom Fraser | 89 | Bobby Rinzler | Chevrolet Camaro | 151 | running | ||
| 18 | 34 | Luis Sereix Ralph Noseda Robert Cao | 42 | Garcia Racing | Chevrolet Camaro | 145 | running | ||
| 19 | 22 | Joie Chitwood Jr. Tim Chitwood | 52 | Chitwood Racing | Chevrolet Camaro | 142 | running | ||
| 20 | 33 | Lee McDonald Bert Everett | 72 | Lee McDonald | Porsche 914/6 | 131 | running | ||
| 21 | 57 | Robert Whitaker Phil Currin | 99 | Phil Currin | Chevrolet Corvette | 130 | running | ||
| 22 | 9 | Arturo Merzario Alex Soler-Roig i Janer | 32 | Abarth-Osella | Abarth 2000 SP/71 | 166 | disqualified | ||
| 23 | 25 | Don Yenko John Cordts | 50 | John Greenwood | Chevrolet Corvette | 153 | did not finish | ||
| 24 | 11 | Tony Dean Bobby Brown | 82 | A. G. Dean | Porsche 908/02 015 | 151 | engine | ||
| 25 | 29 | Brian Goellnicht Bill Pryor | 54 | Brian Goellnicht | Abarth 2000 SP | 122 | running | ||
| 26 | 23 | Sam Posey Ronnie Bucknum Luigi Chinetti Jr. | 22 | North American Racing Team | Ferrari 365 GTB/4 12467 | 119 | accident | ||
| 27 | 20 | Tony Adamowicz John Greenwood | 48 | John Greenwood | Chevrolet Corvette | 114 | disqualified | ||
| 28 | 5 | Peter Revson Rolf Stommelen | 7 | Autodelta SpA | Alfa Romeo T33/TT/3 11572-003 | 108 | engine | ||
| 29 | 45 | Robert Fordyce Richard Small | 60 | Robert Fordyce | Chevrolet Camaro | 105 | running | ||
| 30 | 15 | Jorge de Bagration y de Mukhrani Juan Fernandez | 62 | Escuderia Montjuich | Porsche 908/03 013 | 100 | gear selector | ||
| 31 | 4 | Reine Wisell Joakim Bonnier Gérard Larrousse Nestor García Veiga | 12 | Joakim Bonnier | Lola T280 HU2/Ford | 93 | running | ||
| 32 | 31 | John Buffum John Fitzpatrick | 24 | John Buffum | Ford Escort RS 1600 | 88 | differential | ||
| 33 | 30 | Javier Garcia Manuel Garcia George Garcia | 43 | Garcia Racing | Chevrolet Camaro | 79 | did not finish | ||
| 34 | 35 | Art Mollin Bobby Spirgel | 51 | Warren Shiber | Chevrolet Corvette Sting Ray | 75 | did not finish | ||
| 35 | 19 | Jim Fitzgerald Tom Nehl | 8 | Automotive Engineering | Chevrolet Camaro | 74 | did not finish | ||
| 36 | 41 | Héctor Alonso Rebaque Guillermo Rojas y Quer de Barceló | 58 | Brumos Porsche | Porsche 914/6 | 70 | did not finish | ||
| 37 | 47 | Richard Schuck Richard Weiss | 27 | Richard C. Weiss | Porsche 911 S | 67 | did not finish | ||
| 38 | 37 | Michael Oleyar Robert Luebbe | 53 | Michael Oleyar | Chevrolet Corvette | 65 | did not finish | ||
| 39 | 43 | John Belperche George Rollin | 66 | John Belperche | Porsche 911 S | 64 | accident | ||
| 40 | 18 | Gene Harrington Larry Bock | 70 | Gene Harrington | Chevrolet Camaro | 64 | did not finish | ||
| 41 | 32 | Michael Keyser Bob Beasley | 16 | Toad Hall Racing | Porsche 911 S | 50 | did not finish | ||
| 42 | 14 | Nick Craw Bill Barber | 26 | Shierson-Opert Racing | Chevron B19 Ford | 49 | withdrew | ||
| 43 | 53 | Buck Baker Larry Baker | 87 | Buck Baker | Pontiac Firebird | 43 | did not finish | ||
| 44 | 49 | Charlie Kemp Tom Fraser Houghton Smith | 88 | Bobby Rinzler | Chevrolet Corvette | 36 | accident | ||
| 45 | 39 | John Elliott Don Gwynne Jr. | 80 | Preston Hood | Chevrolet Camaro | 35 | did not finish | ||
| 46 | 40 | Paul Fleming David Boggs | 86 | Simone N. Fleming | Pontiac Firebird | 32 | did not finish | ||
| 47 | 10 | Jerry Thompson Ron Weaver Tony de Lorenzo | 11 | Daytona Beach Corvette Club | Chevrolet Corvette Spyder | 21 | tire | ||
| 48 | 54 | Erwin Kremer Günther Huber | 28 | Erwin Kremer | Porsche 911 S | 19 | did not finish | ||
| 49 | 55 | Levon Pentecost Anthony Torgersen | 40 | Levon Pentecost | Porsche 911 S | 11 | did not finish | ||
| 50 | 16 | Luigi Chinetti Jr. George Eaton | 21 | North American Racing Team | Ferrari 312 P 0872 | 7 | fuel tank | ||
| 51 | 50 | R. Sheldon Stafford Ron Stafford | 33 | R. Sheldon Stafford | Chevrolet Corvette | 5 | did not finish | ||
| 52 | 52 | Al Straub Norm Mosher | 74 | Norman Mosher | Ford Mustang | 2 | did not finish | ||
| 53 | 42 | George Stone Bruce Jennings | 76 | George Stone | Porsche 911 T | 2 | did not finish | ||
| 54 | 46 | Dave Houser Wilbur Shaw Jr. Brock Yates | 93 | Bolus & Snopes | Shelby GT350 | 2 | did not finish | ||
| 55 | 13 | Rodolfo Junco Fred Van Beuren IV | 25 | Shierson-Opert Racing | Chevron B19 Ford | 1 | head gasket | ||
| 56 | 7 | Gérard Larrousse Chris Craft Nestor García Veiga | 14 | Joakim Bonnier | Lola T280 HU1/Ford | 0 | electrical | ||
| 57 | 44 | Dave McClain Dave White | 19 | David H. McClain | Porsche 914/6 914 043 1262 | 0 | did not start | 0 | |
| 58 | 58 | Andrea de Adamich Nanni Galli | 3 | Autodelta SpA | Alfa Romeo T33/TT/3 11572-004 | 0 | did not start | 0 | |
| 59 | 59 | Bobby Clark Don Kearney | 75 | Don Kearney | Datsun 510 | 0 | did not qualify | 0 | |
| 60 | 60 | Eddie Johnson Clay Young | 79 | Arrow Racing | Chevrolet Camaro | 0 | did not qualify | 0 |