| 1 | 2 | 1. S | John Wyer Automotive Engine | Pedro Rodriguez · Leo Kinnunen · Brian Redman | Porsche 917K | — | 724 | WSPR historical record |
| 2 | 1 | 2. S | John Wyer Automotive Engine | Jo Siffert · Brian Redman | Porsche 917K | — | 679 | WSPR historical record |
| 3 | 28 | 3. S | SpA Ferrari SEFAC | Mario Andretti · Arturo Merzario · Jacky Ickx | Ferrari 512S | — | 676 | WSPR historical record |
| 4 | 24 | 1. P | North American Racing Team | Sam Posey · Mike Parkes | Ferrari 312P Coupé | — | 647 | WSPR historical record |
| 5 | 23 | 2. P | North American Racing Team | Tony Adamowicz · David Piper | Ferrari 312P Coupé | — | 632 | WSPR historical record |
| 6 | 7 | 1. GT+2.0 | Owens-Corning Fibreglass | Jerry Thompson · John Mahler | Chevrolet Corvette Sting Ra | — | 608 | WSPR historical record |
| 7 | 21 | 4. S | North American Racing Team | Gregg Young · Luigi Chinetti, Jr. | Ferrari 250LM | — | 603 | WSPR historical record |
| 8 | 18 | 5. S | William Wonder | William Wonder · Ray Cuomo | Ford GT40 | — | 579 | WSPR historical record |
| 9 | 40 | 3. P | Gregg Loomis | Gregg Loomis · Bert Everett · DNS - Pete Harrison | Porsche 906LE | — | 573 | WSPR historical record |
| 10 | 33 | 4. P | Equipe Matra Simca | François Cevert · Jack Brabham | Matra-Simca MS650 | — | 565 | WSPR historical record |
| 11 | 89 | 2. GT+2.0 | Cliff Gottlob | Cliff Gottlob · Dave Dooley | Chevrolet Corvette | — | 545 | WSPR historical record |
| 12 | 12 | 1. T+2.0 | Bob Mitchell | Bob Mitchell · Charlie Kemp | Chevrolet Camaro | — | 535 | WSPR historical record |
| 13 | 6 | 3. GT+2.0 | Owens-Corning Fibreglass | Tony DeLorenzo · Dick Lang | Chevrolet Corvette | — | 534 | WSPR historical record |
| 14 | 74 | 1. GT2.0 | Ralph Meaney | Ralph Meaney · Gary Wright · Bill Bean | Porsche 911S | — | 533 | WSPR historical record |
| 15 | 90 | 4. GT+2.0 | Or Costanzo | Or Costanzo · Dave Heinz | Chevrolet Corvette | — | 521 | WSPR historical record |
| 16 | 14 | 2. T+2.0 | Ray Cuomo | Ray Cuomo · Bernard Gimbel · George Lissberg | Ford Mustang | — | 520 | WSPR historical record |
| 17 | 95 | 3. T+2.0 | Bruce Behrens | Mike Brockman · John Tremblay | Chevrolet Camaro | — | 511 | WSPR historical record |
| 18 | 34 | 5. P | Equipe Matra Simca | Jean-Pierre Beltoise · Henri Pescarolo | Matra-Simca MS650 | — | 509 | WSPR historical record |
| 19 | 11 | 4. T+2.0 | Laurel Racing | Larry Brock · Larry Dent | Chevrolet Camaro | — | 507 | WSPR historical record |
| 20 | 78 | 2. GT2.0 | Waldron Motors | John Belperche · Tony Lilly · Don Pickett | MGB | — | 504 | WSPR historical record |
| 21 | 79 | 3. GT2.0 | Waldron Motors | Chris Waldron · Lowell Lanier · Bill Barros | MGB | — | 490 | WSPR historical record |
| 22 | 48 | T2.0 | Del Russo Taylor | Del Russo Taylor · Hank Sheldon · DNS - Tom Blank | Alfa Romeo 1750 GTV | — | 478 | WSPR historical record |
| 23 | 38 | T2.0 | Simone N. Fleming | Paul Fleming · Amos Johnson | Fiat 124 Sport coupé | — | 473 | WSPR historical record |
| 24 | 76 | 4. GT2.0 | Scotty Addison | Scotty Addison · Erhard Dahm | Porsche 911S | — | 462 | WSPR historical record |
| 25 | 98 | 9. T+2.0 | Norberto Mastandrea | Norberto Mastandrea · Smokey Drolet · Rajah Rodgers | Chevrolet Camaro | — | 409 | WSPR historical record |
| 26 | 83 | 5. T+2.0 | Collins-Wilson Racing | Vincent P. Collins · Larry Wilson | Ford Mustang | — | 407 | WSPR historical record |
| 27 | 71 | P | Ray Walle | Ray Walle · Bob Speakman | TVR Vixen Ford | — | 364 | WSPR historical record |
| retired | 9 | GT+2.0 | Mamie Reynolds Gregory | Don Yenko · Bob Grossman | Chevrolet Camaro | — | 542 | WSPR historical record |
| retired | 25 | S | North American Racing Team | Dan Gurney · Chuck Parsons | Ferrari 512S | — | 464 | WSPR historical record |
| retired | 8 | GT+2.0 | Bob Johnson | Bob Johnson · Robert R. Johnson · Jim Greendyke | Chevrolet Corvette | — | 457 | WSPR historical record |
| retired | 47 | S | Sports Motors | Jim Bandy · Fred Stevenson · Carl Williams | Lotus Europa | — | 442 | WSPR historical record |
| retired | 30 | S | Scuderia Picchio Rosso | Corrado Manfredini · Gianpiero Moretti | Ferrari 512S | — | 412 | WSPR historical record |
| retired | 53 | P | Hans Laine | Hans Laine · Gijs van Lennep | Porsche 908/02 | — | 385 | WSPR historical record |
| retired | 43 | P | William Harris | William Harris · Robert E. Lewis | Austin-Healey Sprite | — | 373 | WSPR historical record |
| retired | 72 | GT2.0 | Jacques Duval | Jacques Duval · Bob Bailey | Porsche 911T | — | 365 | WSPR historical record |
| retired | 97 | T+2.0 | Preston Hood | John Elliott · Don Gwynne, Jr. | Chevrolet Camaro | — | 354 | WSPR historical record |
| retired | 3 | S | Porsche Salzburg | Kurt Ahrens, Jr. · Vic Elford | Porsche 917K | — | 337 | WSPR historical record |
| retired | 94 | GT+2.0 | Susan T. Cummings | Don Cummings · Warren Stumes | Shelby GT350 | — | 327 | WSPR historical record |
| retired | 15 | T+2.0 | Bob Fryer | Ed Lowther · Bob Nagel · DNS - Bob Fryer | Chevrolet Camaro | — | 320 | WSPR historical record |
| retired | 20 | S | North American Racing Team | Harley Cluxton · Gordon Tatun | Ferrari 365 GTB/C | — | 308 | WSPR historical record |
| retired | 17 | S | Trevor Graham | Piers Forrester · Andrew Hedges | Ford GT40 | — | 299 | WSPR historical record |
| retired | 77 | GT2.0 | Jennings/Keyser | Bruce Jennings · Bob Tullius | Porsche 911T | — | 279 | WSPR historical record |
| retired | 88 | T2.0 | Dieter Oest | Barry Batchin · Dieter Oest | Lancia Fulvia HF | — | 268 | WSPR historical record |
| retired | 84 | T2.0 | HCAS | Walter Brown · Joe Marcus · Jim R. Sandman | BMW 2002 | — | 257 | WSPR historical record |
| retired | 85 | T2.0 | Robert Whitaker | Robert Whitaker · Richard Krebs · Harvey Eckoff | Volvo 122S | — | 243 | WSPR historical record |
| retired | 92 | T+2.0 | Flem-Car | Donna Mae Mims · Jim Corwin · Fred Pipen | Chevrolet Camaro | — | 220 | WSPR historical record |
| retired | 0 | T+2.0 | Roger Penske Racing | Mark Donohue · Peter Revson | AMC Javelin | — | 205 | WSPR historical record |
| retired | 73 | P | Ring Free Oil Racing | Bobby Rinzler · Charles Reynolds | Austin-Healey Sprite | — | 178 | WSPR historical record |
| retired | 22 | S | North American Racing Team | Ronnie Bucknum · Wilbur Pickett | Ferrari 365 GTB/4 | — | 142 | WSPR historical record |
| retired | 96 | T+2.0 | Vincenzo Gimondo | Vince Gimondo · Chuck Dietrich | Chevrolet Camaro | — | 130 | WSPR historical record |
| retired | 27 | S | SpA Ferrari SEFAC | Jacky Ickx · Peter Schetty | Ferrari 512S | — | 115 | WSPR historical record |
| retired | 16 | P | Ring Free Oil Racing | Jim Baker · Clive Baker · DNS - Paul Richards | Chevron B16 Ford | — | 108 | WSPR historical record |
| retired | 91 | GT+2.0 | John Greenwood | Allan Barker · John Greenwood · Richard Hoffman | Chevrolet Corvette | — | 101 | WSPR historical record |
| retired | 39 | S | Rainer Brezinka | Rainer Brezinka · Horst Petermann · Rudy Bartling | Porsche 906 | — | 96 | WSPR historical record |
| retired | 26 | S | SpA Ferrari SEFAC | Nino Vaccarella · Ignazio Giunti | Ferrari 512S | — | 89 | WSPR historical record |
| retired | 93 | T+2.0 | Jim Harrell | Jim Harrell · Len Magner | Ford Mustang | — | 89 | WSPR historical record |
| retired | 37 | P | Fred Opert | Brian Robinson · Hugh Kleinpeter · Fred Opert | Chevron B16 Ford | — | 85 | WSPR historical record |
| retired | 19 | S | Auto Enterprises | Francis C. Grant · Ray Heppenstall · Joe Marcus | Ford GT40 | — | 82 | WSPR historical record |
| retired | 66 | T+2.0 | Ed Matthews | Ed Matthews · Don Sesslar · Al Weaver | Ford Mustang | — | 63 | WSPR historical record |
| retired | 86 | T2.0 | Arthur Mollin | Arthur Mollin · Art Riley | Volvo 122S | — | 54 | WSPR historical record |
| retired | 70 | GT2.0 | Paul Stanford | James Patterson · Paul Sanford | Porsche 911T | — | 29 | WSPR historical record |
| retired | 46 | GT+2.0 | Jack Haywood | Claibourne Darden · Warren Matzen | Shelby GT350 | — | 26 | WSPR historical record |
| retired | 55 | T2.0 | Jack Kearney | Don Kearney · Dick Roberts · Wayne Purdy | Datsun 510 | — | 24 | WSPR historical record |
| retired | 5 | S | Randy's Auto Body Shop | John Cannon · George Eaton | Lola T70 Mk.3B Che | — | 0 | WSPR historical record |
| retired | 54 | P | Ecurie Evergreen? | Carlos Pairetti · Alain De Cadenet · Jorge Omar Del Rio - DND | Porsche 908/02 | — | 0 | WSPR historical record |
| did_not_start | 10 | T+2.0 | Allen Hewitt, Jr. | Allen Hewitt, Jr. · Pete Ledwith | Chevrolet Camaro | — | | WSPR historical record |
| did_not_start | 44 | P | HRH | Steve Pieper · Jim McDaniel · Jon Krogsund | Deserter GS Volkswagen | — | | WSPR historical record |
| did_not_start | 51 | P | José Juncadella | Juan Fernandez · José Juncadella | Porsche 908/02 | — | | WSPR historical record |
| did_not_start | 52 | S | Tony Dean | Tony Dean · Peter Gregg | Porsche 917K | — | | WSPR historical record |
| did_not_start | 75 | GT2.0 | Fritz Hochreuter | Fritz Hochreuter · Harry Bytzek | Porsche 911 | — | | WSPR historical record |
| source_section_running_in_practice | T | P | Equipe Matra Simca | François Cevert · Jack Brabham · Jean-Pierre Beltoise · Henri Pescarolo | Matra-Simca MS630/650 | — | | WSPR historical record |
| source_section_running_in_practice | T | S | John Wyer Automotive Engine | Pedro Rodriguez · Leo Kinnunen · Jo Siffert | Porsche 917K | — | | WSPR historical record |
| entry_only | 29 | GT+2.0 | Jacques Rey | Jacques Rey · Edgar Berney · Bernard Palayer · Guy Verrier · Jean Sage | Ferrari 275 GTB/C | — | | WSPR historical record |
| entry_only | 31 | S | North American Racing Team | xxx | Ferrari Dino 246 GT | — | | WSPR historical record |
| entry_only | 52 | P | Tony Dean | Tony Dean · Peter Gregg | Porsche 908 | — | | WSPR historical record |
| entry_only | 80 | GT+2.0 | C. C. Canada | C. C. Canada · Joe Hines, Jr. · Ed Rahal | MGC | — | | WSPR historical record |