| 1 | 6 | 1. S5.0 | Roger Penske Sunoco Racing | Mark Donohue · Chuck Parsons · DNS - Ronnie Bucknum | Lola T70 Mk.3B Che | — | 626 | WSPR historical record |
| 2 | 8 | 2. S5.0 | American International Raci | Ed Leslie · Lothar Motschenbacher | Lola T70 Mk.3 Chev | — | 596 | WSPR historical record |
| 3 | 26 | 1. T5.0 | Jon Ward | Jerry Titus · Jon Ward | Pontiac Firebird 305 | — | 591 | WSPR historical record |
| 4 | 20 | 1. GT2.0 | Herb Wetanson | Tony Adamowicz · Bruce Jennings · Herb Wetanson | Porsche 911T | — | 583 | WSPR historical record |
| 5 | 14 | 1. T2.0 | Fine Grinding | Bert Everett · Alan Johnson · E. Linley Coleman | Porsche 911 | — | 581 | WSPR historical record |
| 6 | 39 | 1. S2.0 | Team Raceco of Miami | Hugh Kleinpeter · Bob Beatty · John Gunn | Chevron B8 BMW | — | 579 | WSPR historical record |
| 7 | 9 | 3. S5.0 | American International Raci | Scooter Patrick · Dave Jordan | Lola T70 Mk.3 Chev | — | 578 | WSPR historical record |
| 8 | 47 | 2. T2.0 | Harold Williamson | Harold Williamson · George Drolsom | Porsche 911 | — | 577 | WSPR historical record |
| 9 | 68 | 2. GT2.0 | Jacques Duval | Jacques Duval · George Nicholas · DNS - Andre Samson | Porsche 911T | — | 571 | WSPR historical record |
| 10 | 48 | 3. GT2.0 | Wicky Racing Team | André Wicky · Sylvain Garant | Porsche 911T | — | 569 | WSPR historical record |
| 11 | 97 | 1. P2.0 | Algar Enterprises | Claudio Maglioli · Raffaele Pinto | Lancia Fulvia HF Zagato | — | 566 | WSPR historical record |
| 12 | 5 | 2. T5.0 | Randy's Auto Body | Bob Grossman · Bob Dini | Chevrolet Camaro | — | 564 | WSPR historical record |
| 13 | 28 | 3. T5.0 | Jim Corwin | Jim Corwin · Mike Manner · Carson Baird | Chevrolet Camaro | — | 549 | WSPR historical record |
| 14 | 86 | 3. T2.0 | RBM Motors | Pete Harrison · Jack Ryan | Porsche 911 | — | 548 | WSPR historical record |
| 15 | 61 | 2. S2.0 | Sportscars Unlimited of Swi | Masten Gregory · Richard Broström | Porsche 910 | — | 544 | WSPR historical record |
| 16 | 96 | 1. GT+5.0 | Zorian Productions | Smokey Drolet · John Tremblay · Vince Gimondo · John Belperche | Chevrolet Corvette | — | 532 | WSPR historical record |
| 17 | 83 | 2. P2.0 | Jim Baker | Jim Baker · Clive Baker · Paul Richards | Austin-Healey Sprite | — | 527 | WSPR historical record |
| 18 | 4 | 3. P2.0 | HRH Corporation | Jim McDaniel · Steve Pieper · Bill Scott | Zink VSR Volkswagen | — | 519 | WSPR historical record |
| 19 | 55 | 4. GT2.0 | Chris Waldron | Jim Gammon · Ray Mummery · DNS - Reggie Smith, Jr. | MGB | — | 508 | WSPR historical record |
| 20 | 62 | 3. S2.0 | Rainer Brezinka | Rudy Bartling · Fritz Hochreuter · Rainer Brezinka · DNS - Horst Petermann | Porsche 906 | — | 507 | WSPR historical record |
| 21 | 18 | 4. T5.0 | Maurice Carter | Maurice Carter · Nat Adams | Chevrolet Camaro | — | 501 | WSPR historical record |
| 22 | 32 | 5. T5.0 | Harold Rose | Harold Rose · Mike Richards · DNS - Steve Hill | Chevrolet Camaro | — | 499 | WSPR historical record |
| 23 | 41 | 1. GT5.0 | North American Racing Team | Sam Posey · Riccardo Rodriguez | Ferrari 275 GTB/C | — | 494 | WSPR historical record |
| 24 | 53 | P3.0 | Porsche System Engineering | Udo Schütz · Gerhard Mitter · Richard Attwood | Porsche 908L | — | 483 | WSPR historical record |
| 25 | 79 | 4. T2.0 | Arthur Mollin | Art Riley · Arthur Mollin | Volvo 122S | — | 473 | WSPR historical record |
| 26 | 1 | S5.0 | John Wyer Automotive Engine | Jacky Ickx · Jackie Oliver | Ford GT40 | — | 470 | WSPR historical record |
| 27 | 81 | 5. GT2.0 | Anatholy Arutunoff | Bill Pryor · Jose Marina | Alfa Romeo Giulia SS | — | 451 | WSPR historical record |
| 28 | 15 | 6. T5.0 | Larry Drover | Larry Bock · Larry Dent | Chevrolet Camaro | — | 449 | WSPR historical record |
| 29 | 56 | 6. GT2.0 | Chris Waldron | Thomas D. Harris · Chris Waldron · Ben Scott | MGB | — | 428 | WSPR historical record |
| 30 | 43 | T2.0 | Gary Wright | Gary Wright · Bill Craine | Porsche 911 | — | 337 | WSPR historical record |
| 31 | 98 | P2.0 | Algar Enterprises | Bruce Hollander · Robert Clark · Wayne Marsula | Lancia Fulvia HF Zagato | — | 331 | WSPR historical record |
| retired | 50 | P3.0 | Porsche System Engineering | Jo Siffert · Hans Herrmann | Porsche 908L | — | 415 | WSPR historical record |
| retired | 2 | S5.0 | John Wyer Automotive Engine | David Hobbs · Mike Hailwood | Ford GT40 | — | 401 | WSPR historical record |
| retired | 46 | GT5.0 | Bud Boles | John Debo · E. M. Parkerson | Triumph TR4 | — | 378 | WSPR historical record |
| retired | 54 | P3.0 | Porsche System Engineering | Rolf Stommelen · Kurt Ahrens, Jr. | Porsche 908L | — | 313 | WSPR historical record |
| retired | 52 | P3.0 | Porsche System Engineering | Vic Elford · Brian Redman | Porsche 908L | — | 277 | WSPR historical record |
| retired | 51 | P3.0 | Porsche System Engineering | Richard Attwood · Joe Buzzetta | Porsche 908L | — | 273 | WSPR historical record |
| retired | 77 | T2.0 | Williams Racing | Marty Gifford · Bill Campbell | Porsche 911 | — | 272 | WSPR historical record |
| retired | 22 | T2.0 | Porsche America Racing | Bob Bailey · Jim Locke · Mike Downs | Porsche 911 | — | 249 | WSPR historical record |
| retired | 73 | T2.0 | Fred Opert Racing Team | Fred Opert · Paul Sanford | Porsche 911 | — | 223 | WSPR historical record |
| retired | 57 | GT2.0 | David Heinz | Dave Heinz · Clarence Moerwald | MGB | — | 221 | WSPR historical record |
| retired | 33 | T5.0 | Harold McComb | John McComb · Dave Dooley | Ford Mustang | — | 219 | WSPR historical record |
| retired | 91 | T5.0 | Mar Shipping | Norberto Mastandrea · Doug Silvers · Robin Ormes | Chevrolet Camaro | — | 210 | WSPR historical record |
| retired | 11 | T5.0 | Best Photo | Don Yenko · Dick Guldstrand | Chevrolet Camaro | — | 208 | WSPR historical record |
| retired | 67 | GT+5.0 | Owens Corning Fiberglass | Jerry Thompson · Jim Harrell · Tony DeLorenzo | Chevrolet Corvette Sting Ra | — | 201 | WSPR historical record |
| retired | 21 | T2.0 | Porsche America Racing | Jim Netterstrom · John Kelly | Porsche 911 | — | 182 | WSPR historical record |
| retired | 58 | P3.0 | Alex Soler-Roig | Alex Soler-Roig · Rudi Lins | Porsche 907 2.2 | — | 158 | WSPR historical record |
| retired | 36 | T2.0 | Wilbur Pickett | Wilbur Pickett · Mike Downs · DNS - Bob Tullius | Porsche 911 | — | 153 | WSPR historical record |
| retired | 40 | P2.0 | North American Racing Team | Charlie Kolb · Giampiero Biscaldi | Ferrari Dino 206S | — | 152 | WSPR historical record |
| retired | 17 | T5.0 | David H. McClain | David McClain · Or Costanzo | Chevrolet Camaro | — | 145 | WSPR historical record |
| retired | 25 | P3.0 | Motoritalia | Eduardo Dibos-Chappuis · Mario Calabattisti | Alfa Romeo T33/2 | — | 139 | WSPR historical record |
| retired | 59 | T2.0 | Brumos Porsche | Peter Gregg · Sten Axelsson | Porsche 911 | — | 137 | WSPR historical record |
| retired | 99 | GT5.0 | Richard Robson | Richard Robson · Rajah Rodgers | Jaguar XK-E | — | 116 | WSPR historical record |
| retired | 69 | GT+5.0 | Robert D. Esseks | Ed Lowther · Robert D. Esseks · Frank Dominianni | Chevrolet Corvette | — | 109 | WSPR historical record |
| retired | 93 | GT2.0 | Richard Cline | Richard Cline · Michael Pickering | Triumph GT6 | — | 108 | WSPR historical record |
| retired | 72 | T5.0 | Lafayette Speed Center | Billy Hagan · John McVeigh · Frans Gillebard | Mercury Cougar | — | 88 | WSPR historical record |
| retired | 88 | GT2.0 | Francis C. Grant | Francis C. Grant · Dieter Oest · Barry Batchin | Lancia Fulvia HF | — | 79 | WSPR historical record |
| retired | 38 | S5.0 | Team Raceco of Miami | Fausto Merello · Umberto Maglioli · Edward Alvarez | Ferrari 250LM | — | 68 | WSPR historical record |
| retired | 60 | S5.0 | Sportscars Unlimited of Swi | Jo Bonnier · Ulf Norinder · DNS - Johnny Servoz-Gavin | Lola T70 Mk.3B Che | — | 52 | WSPR historical record |
| retired | 16 | GT+5.0 | Wes Rafferty | Wedge Rafferty · Jack Gearhart · Richard Wisler | Chevrolet Corvette | — | 48 | WSPR historical record |
| retired | 92 | T5.0 | Wilton T. Jowett, Jr. | Wilton T. Jowett, Jr. · Craig Fisher | Chevrolet Camaro | — | 44 | WSPR historical record |
| retired | 66 | GT+5.0 | Owens Corning Fiberglass | Tony DeLorenzo · Dick Lang | Chevrolet Corvette Sting Ra | — | 23 | WSPR historical record |
| retired | 45 | S2.0 | George Waltman | George Waltman · Wallis Bird | Osca 1600 GT2 Maserati | — | 0 | WSPR historical record |
| did_not_start | 7 | S5.0 | Bill Wonder | William Wonder · Ray Cuomo | Ford GT40 | — | | WSPR historical record |
| did_not_start | 19 | T5.0 | Bud Moore | Charles Buckley · L. Gordon Cooper | Mercury Cougar | — | | WSPR historical record |
| did_not_start | 24 | P3.0 | Equipe Matra Shell | Johnny Servoz-Gavin · Henri Pescarolo | Matra-Sports 630M | — | | WSPR historical record |
| did_not_start | 37 | T2.0 | Richard E. Crebs | Ronald Strickler · Dennis Wherrell | Alfa Romeo GTA | — | | WSPR historical record |
| did_not_start | 49 | T2.0 | Richard E. Crebs | Richard Crebs · Robert Whitaker | Alfa Romeo GTA | — | | WSPR historical record |
| did_not_start | 89 | T5.0 | LeVerne Hartje | James Hall | Dodge Dart | — | | WSPR historical record |
| source_section_did_not_practice | 60T | S5.0 | Sportscars Unlimited of Swi | xxx | Lola T70 Mk.3B Chevrolet | — | | WSPR historical record |
| entry_only | 38 | GT5.0 | Team Raceco of Miami | Fausto Merello | Ferrari 275 GTB/4 | — | | WSPR historical record |
