| Fin | St | Driver | # | Owner | Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3 | Leo Kinnunen Pedro Rodríguez de la Vega | 2 | J. W. Automotive Engineering Ltd | Porsche 917K 016 | 308 | running | ||
| 2 | 1 | Brian Redman Jo Siffert | 1 | J. W. Automotive Engineering Ltd | Porsche 917K 014 | 308 | running | ||
| 3 | 2 | Ignazio Giunti Mario Andretti | 92 | Scuderia Ferrari | Ferrari 512 S Spyder 1042 | 305 | running | ||
| 4 | 7 | Vic Elford Kurt Ahrens Jr. Denis Hulme | 31 | Porsche Audi Division | Porsche 917K 019 | 302 | running | ||
| 5 | 4 | Jacky Ickx Peter Schetty | 91 | Scuderia Ferrari | Ferrari 512 S Spyder 1010 | 299 | running | ||
| 6 | 6 | Richard Attwood Kurt Ahrens Jr. Denis Hulme | 32 | Porsche Audi Division | Porsche 917K 020 | 295 | running | ||
| 7 | 9 | Rudi Lins Helmut Marko | 36 | Martini International Racing | Porsche 908/02 009 | 288 | running | ||
| 8 | 8 | Joakim Bonnier Reine Wisell | 50 | Joakim Bonnier | Lola T70 3B SL76/143/Chevrolet | 264 | running | ||
| 9 | 5 | Gijs van Lennep Gérard Larrousse | 35 | Martini International Racing | Porsche 917K 021 | 260 | running | ||
| 10 | 16 | Bob Grossman Don Yenko | 5 | Mallbank Racing | Chevrolet Camaro 427 | 243 | running | ||
| 11 | 14 | Dick Jacobs Merv Rosen | 52 | Volkswagen North Central | Porsche 906 148 | 241 | running | ||
| 12 | 13 | Hugh Wise Werner Frank Mike Rahal Rick Mansfield | 53 | Nationwide Food Brokers Racing | Porsche 906 113 | 236 | running | ||
| 13 | 24 | Bruce Jennings Bob Tullius | 77 | Toad Hall Racing | Porsche 911 T | 233 | running | ||
| 14 | 17 | Jim Bandy Bruce Cargill | 41 | Sport Motors | Lotus 47 | 233 | running | ||
| 15 | 20 | Rainer Brezinka Horst Petermann Rudy Bartling | 39 | Rainer Brezinka | Porsche 906 132 | 231 | running | ||
| 16 | 23 | Francis Grant Gary Wright | 84 | Ralph Meaney Inc. | Porsche 911 S | 223 | running | ||
| 17 | 11 | Wayne Christian Charles Reynolds Bobby Rinzler | 46 | Baker Motor Company | Chevron B16 Ford | 223 | running | ||
| 18 | 22 | André Wicky Sylvain Garant | 70 | Sylvain François Garant | Porsche 911 T | 217 | running | ||
| 19 | 15 | Jim Baker Paul Richards | 45 | Baker Motor Company | Chevron B16 Ford | 206 | running | ||
| 20 | 19 | Ralph Meaney Steve Behr | 94 | Ralph Meaney Inc. | Porsche 914/6 914 043 0663 | 181 | running | ||
| 21 | 12 | Allan Barker John Greenwood | 20 | John Greenwood | Chevrolet Corvette 427 | 116 | did not finish | ||
| 22 | 18 | Jacques Duval George Nicholas | 37 | Sunoco | Porsche 911 T | 92 | did not finish | ||
| 23 | 21 | Michael Summers Robert Luebbe | 63 | Robert V. Luebbe | Chevrolet Corvette 427 | 85 | did not finish | ||
| 24 | 26 | Georg Loos Franz Pesch | 33 | Gelo Racing Team | Ferrari 512 S 1018 | 24 | did not finish | ||
| 25 | 25 | Bill Schumacher Robert R. Johnson | 23 | William A. Schumacher | Chevrolet Corvette 427 | 8 | did not finish | ||
| 26 | 10 | Tony Dean Peter Revson | 8 | A. G. Dean | Porsche 908/02 015 | 3 | engine | ||
| Jo Siffert Leo Kinnunen Pedro Rodríguez de la Vega | 6T | J. W. Automotive Engineering | Porsche 917K 015 | 0 | practiced car |