| 1 | 22 | 1. S5.0 | John Wyer Automotive Engine | Jacky Ickx · Jackie Oliver | Ford GT40 | — | 239 | WSPR historical record |
| 2 | 25 | 1. P3.0 | Ferrari SpA SEFAC | Chris Amon · Mario Andretti | Ferrari 312P | — | 238 | WSPR historical record |
| 3 | 27 | 2. P3.0 | Porsche System Engineering | Rolf Stommelen · Joe Buzzetta · Kurt Ahrens, Jr. | Porsche 908/02 | — | 235 | WSPR historical record |
| 4 | - | 3. P3.0? | Escuderia Nacional SC | Alex Soler-Roig · Rudi Lins | Porsche 907 | — | 233 | WSPR historical record |
| 5 | 29 | 4. P3.0 | Porsche System Engineering | Gerhard Mitter · Udo Schütz | Porsche 908/02 | — | 232 | WSPR historical record |
| 6 | 11 | 2. S5.0 | American International Raci | Lothar Motschenbacher · Ed Leslie | Lola T70 Mk.3 Chev | — | 229 | WSPR historical record |
| 7 | 30 | 5. P3.0 | Porsche System Engineering | Vic Elford · Richard Attwood | Porsche 908/02 | — | 228 | WSPR historical record |
| 8 | 45 | 1. P2.0 | Smothers Bros. Racing Team | Fred Baker · Dick Smothers | Porsche 906LE | — | 215 | WSPR historical record |
| 9 | 37 | 2. P2.0 | North American Racing Team | Riccardo Rodriguez · Charlie Kolb · DNS - Sam Posey | Ferrari Dino 206S | — | 215 | WSPR historical record |
| 10 | 5 | 1. GT+5.0 | Best Photo Service | Don Yenko · Bob Grossman · DNS - Dick Guldstrand | Chevrolet Camaro Z28 | — | 209 | WSPR historical record |
| 11 | 46 | 3. P2.0 | Escuderia Manana | Armando Capriles · Alfredo Atencio · DNS - Dimis Maratos | Porsche 906LE | — | 203 | WSPR historical record |
| 12 | 52 | 1. GT2.0 | Wicky Racing Team | Gérard Larrousse · André Wicky · Jean Sage | Porsche 911T | — | 201 | WSPR historical record |
| 13 | 47 | 2. GT2.0 | PART | Bob Bailey · Jim Locke · DNS - Bruce Jennings | Porsche 911T | — | 199 | WSPR historical record |
| 14 | 2 | 2. GT+5.0 | Troy Promotions Inc. | Dick Lang · Gib Hufstaeder | Chevrolet Corvette | — | 196 | WSPR historical record |
| 15 | 35 | 6. P3.0 | British Leyland Motor Corpo | Andrew Hedges · Paddy Hopkirk | MGC | — | 195 | WSPR historical record |
| 16 | 90 | 3. GT2.0 | PART | Jim Netterstrom · Bruce Jennings · Mike Downs | Porsche 911 | — | 195 | WSPR historical record |
| 17 | 53 | 1. T2.0 | Wilbur Pickett | Wilbur Pickett · Peter Gregg | Porsche 911 | — | 192 | WSPR historical record |
| 18 | 65 | 4. P2.0 | Algar Enterprises Inc. | Claudio Maglioli · Raffaele Pinto | Lancia Fulvia HF Zagato | — | 191 | WSPR historical record |
| 19 | 94 | 1. T5.0 | Freeport Bahama Racing Team | Robin Ormes · Norberto Mastandrea | Chevrolet Camaro | — | 189 | WSPR historical record |
| 20 | 71 | 5. P2.0 | Ring Free Oil Racing Team | Jim Baker · Paul Richards · Clive Baker | Austin-Healey Sprite | — | 184 | WSPR historical record |
| 21 | 4 | 3. GT+5.0 | Troy Promotions Inc. | Or Costanzo · Dave Heinz | Chevrolet Corvette | — | 184 | WSPR historical record |
| 22 | 17 | 2. T5.0 | Bruce Behrens Racing Enterp | Vince Gimondo · John Tremblay | Chevrolet Camaro | — | 182 | WSPR historical record |
| 23 | 72 | 6. P2.0 | Ring Free Oil Racing Team | Janet Guthrie · Donna Mae Mims · Liane Engeman | Austin-Healey Sprite | — | 182 | WSPR historical record |
| 24 | 1 | 4. GT+5.0 | Troy Promotions Inc. | Tony DeLorenzo · Jerry Thompson · DNS - Ron McConkey | Chevrolet Corvette | — | 181 | WSPR historical record |
| 25 | 16 | 3. T5.0 | Rick Stevens | Richard Stevens · Robert Barg | Chevrolet Camaro | — | 180 | WSPR historical record |
| 26 | 59 | 2. T2.0 | Elsco Corporation | Smokey Drolet · Rosemary Smith | BMW 2002 | — | 179 | WSPR historical record |
| 27 | 66 | 7. P2.0 | Algar Enterprises Inc. | Innes Ireland · Mike Tillson · Howard Hanna | Lancia Fulvia HF Zagato | — | 179 | WSPR historical record |
| 28 | 62 | 4. GT2.0 | British Leyland Motor Corpo | Logan Blackburn · Gerald Truitt | MGB GT | — | 178 | WSPR historical record |
| 29 | 84 | 3. T2.0 | Dr. Harold Williamson | George Drolsom · Harold Williamson | Porsche 911 | — | 175 | WSPR historical record |
| 30 | 93 | 4. T5.0 | Todco Racing Canada Ltd. | Craig Fisher · Serge Adams | Chevrolet Camaro | — | 174 | WSPR historical record |
| 31 | 20 | 5. T5.0 | David H. McClain | David McClain · Don Kerney | Chevrolet Camaro | — | 174 | WSPR historical record |
| 32 | 99T | 5. GT2.0 | Gerry Racing Enterprise | John Colgate · Don Parks · DNS - Paddy Hopkirk · DNS - Andrew Hedges · DNS - Bill Brack · DNS - R. Craig Hill · DNS - Gerald Truitt · DNS - Logan Blackburn | MGB | — | 172 | WSPR historical record |
| 33 | 73 | 8. P2.0 | Arthur Tuckerman | Gregg Cameron · Ralph Kemmerer · DNS - Robert Phillips | Austin-Healey Sprite | — | 170 | WSPR historical record |
| 34 | 36 | 7. P3.0 | British Leyland Motor Corpo | Bill Brack · R. Craig Hill | MGC | — | 169 | WSPR historical record |
| 35 | 41 | 4. T2.0 | Escuderia Manana | Armando de Ambadgio · Sergio Trevale · DNS - Gustavo Sandoval | Alfa Romeo GTA Junior | — | 167 | WSPR historical record |
| 36 | 38 | 0. P2.0 | North American Racing Team | Sam Posey · Bob Dini · DNS - Riccardo Rodriguez | Ferrari Dino 206S | — | 166 | WSPR historical record |
| 37 | 49 | S3.0 | Dr. Merv Rosen | Merv Rosen · Dave Morrell | Porsche 906 | — | 162 | WSPR historical record |
| 38 | 64 | 6. GT2.0 | Waldron Motors | Chris Waldron · Ben Scott · Dean Donley | MGB | — | 155 | WSPR historical record |
| 39 | 85 | 5. T2.0 | Richard Crebs | Richard Crebs · Ronald Strickler · Robert Whitaker | Alfa Romeo GTA | — | 153 | WSPR historical record |
| 40 | 60 | 6. T2.0 | Jim Cooke Buick & Opel | Walter Brown · Joe Marcus | Opel Kadett Rallye | — | 152 | WSPR historical record |
| 41 | 24 | S5.0 | Auto Enterprises | Francis C. Grant · Dieter Oest | Ford GT40 | — | 148 | WSPR historical record |
| 42 | 57 | 2. S3.0 | Raceco Miami | Umberto Maglioli · Hugh Kleinpeter · Bob Beatty | Chevron B8 BMW | — | 143 | WSPR historical record |
| 43 | 43 | P2.0 | LeHigh Acres | Ray Heppenstall · Howard Brown | Heppenstall Special Volkswa | — | 142 | WSPR historical record |
| 44 | 18 | 6. T5.0 | Wilton T. Jowett | Wilton T. Jowett, Jr. · Bob Tullius | Chevrolet Camaro | — | 140 | WSPR historical record |
| 45 | 69 | GT2.0 | John F. Howard | Reggie Smith, Jr. · Tony Lilly · Don Pickett · DNS - John F. Howard | Lotus Europa Renault | — | 130 | WSPR historical record |
| 46 | 98 | 7. T2.0 | George W. Sanderson | Ronald D. Polimeni · Robert Theall | Volvo PV544 | — | 128 | WSPR historical record |
| 47 | 26 | 9. P3.0 | North American Racing Team | Pedro Rodriguez · Chuck Parsons | Ferrari 330P3 | — | 163 | WSPR historical record |
| 48 | 63 | GT2.0 | Waldron Motors | Jim Gammon · Ray Mummery · Roger Houghton | MGB | — | 150 | WSPR historical record |
| 49 | 31 | P3.0 | Porsche System Engineering | Jo Siffert · Brian Redman | Porsche 908/02 | — | 133 | WSPR historical record |
| 50 | 51 | GT2.0 | RBM Motors | Gregg Loomis · Pete Harrison · Jack Ryan | Porsche 911S | — | 130 | WSPR historical record |
| 51 | 23 | S5.0 | John Wyer Automotive Engine | David Hobbs · Mike Hailwood | Ford GT40 | — | 99 | WSPR historical record |
| 52 | 28 | P3.0 | Porsche System Engineering | Hans Herrmann · Kurt Ahrens, Jr. · Rolf Stommelen | Porsche 908/02 | — | 97 | WSPR historical record |
| 53 | 9 | S5.0 | Roger Penske Racing | Ronnie Bucknum · Mark Donohue | Lola T70 Mk.3B Che | — | 96 | WSPR historical record |
| 54 | 19 | T5.0 | Maurice Carter Chevrolet | Maurice Carter · Nat Adams | Chevrolet Camaro | — | 85 | WSPR historical record |
| 55 | 50 | GT2.0 | Grand Prix Motor Oil | Jacques Duval · George Nicholas | Porsche 911T | — | 62 | WSPR historical record |
| 56 | 21 | T5.0 | Laurel/Drover Racing | Larry Dent · Larry Bock | Chevrolet Camaro | — | 62 | WSPR historical record |
| 57 | 7 | T5.0 | Argento Racing Organisation | Charlie Rainville · Paul Pettey | Ford Mustang | — | 57 | WSPR historical record |
| 58 | 3 | GT+5.0 | Robert D. Esseks | Ed Lowther · Robert D. Esseks · Frank Dominianni | Chevrolet Corvette | — | 55 | WSPR historical record |
| 59 | 54 | T2.0 | Fred Opert Racing Team | Paul Sanford · Fred Opert | Porsche 911 | — | 53 | WSPR historical record |
| 60 | 14 | S5.0 | Ecurie Bonnier/Sportcars Un | Ulf Norinder · Jo Bonnier | Lola T70 Mk.3B Che | — | 49 | WSPR historical record |
| 61 | 88 | GT5.0 | Donald C. Cummings | Randy Blessing · Don Cummings · Warren Stumes | Shelby GT350 | — | 45 | WSPR historical record |
| 62 | 58 | T2.0 | Elsco Corporation | Ed Hugus · Chuck Dietrich · Eugene Nearburg | BMW 2002 | — | 36 | WSPR historical record |
| 63 | 48 | S3.0 | Mike Rahal | Mike Rahal · Bill Stroh · Hugh Wise | Porsche 906 | — | 31 | WSPR historical record |
| 64 | 6 | T5.0 | Herbert Madray | Garry R. Davis · Herbert R. Madray · Don Madray · DNS - Robert E. Davis | Ford Mustang | — | 26 | WSPR historical record |
| 65 | 33 | P3.0 | Autodelta SpA | Nino Vaccarella · Lucien Bianchi | Alfa Romeo T33-3 | — | 17 | WSPR historical record |
| 66 | 32 | P3.0 | Autodelta SpA | Mario Casoni · Andrea de Adamich · DNS - John Surtees | Alfa Romeo T33-3 | — | 15 | WSPR historical record |
| 67 | 10 | S5.0 | American International Raci | Scooter Patrick · Dave Jordan | Lola T70 Mk.3 Chev | — | 15 | WSPR historical record |
| 68 | 68 | P2.0 | HRH Corporation | Bill Scott · Jim McDaniel · Steve Pieper | Zink VSR Volkswagen | — | 13 | WSPR historical record |
| 69 | 34 | P3.0 | Autodelta SpA | Nanni Galli · Ignazio Giunti · DNS - Mario Casoni | Alfa Romeo T33-3 | — | 2 | WSPR historical record |
| 70 | 67 | P2.0 | Competition Components | Bill Boye · Russ Shirey | Beach 4B Volkswagen | — | 6 | WSPR historical record |
| did_not_start | 8 | T5.0 | Fred van Beuren | Fred van Beuren, Jr. · Paul Perez Gama · Ruben Novoa | Pontiac Firebird | — | | WSPR historical record |
| did_not_start | 61 | P2.0 | Gerry Racing | Robert Samm · Don Parks · John Colgate | Lotus Europa | — | | WSPR historical record |
| source_section_running_in_practice | 100T | P3.0 | Porsche System Engineering | Gérard Larrousse · Umberto Maglioli | Porsche 908/02 | — | | WSPR historical record |
| entry_only | - | T5.0 | William Lowell | William Lowell · Charles Pettinger | Ford Mustang | — | | WSPR historical record |
| entry_only | - | GT2.0 | Bill Herrington | Jerry Walsh · Robert Kirkpatrick · Rick Mansfield | MGB | — | | WSPR historical record |
| entry_only | - | T2.0 | Fine Grinding | Bert Everett · Alan Johnson | Porsche 911 | — | | WSPR historical record |
| entry_only | - | T2.0 | Harold Williamson | Harold Williamson · George Drolsom · E. Linley Coleman | Porsche 911 | — | | WSPR historical record |
| entry_only | - | T2.0 | Kline Porsche | James D. Osborne · Erwin Dollinger | Porsche 911 | — | | WSPR historical record |
| entry_only | - | GT+5.0 | Robert R. Johnson | Robert R. Johnson | Chevrolet Corvette | — | | WSPR historical record |
| entry_only | - | GT+5.0 | Robert R. Johnson | Robert R. Johnson | Chevrolet Corvette | — | | WSPR historical record |
| entry_only | - | P2.0 | Anatoly Arutunoff | Anatoly Arutunoff | Abarth 2000SP | — | | WSPR historical record |
| entry_only | - | T2.0 | Sepp Greger | Sepp Greger | Porsche 911 | — | | WSPR historical record |
| entry_only | - | T2.0 | Bruce Jennings | Jim Netterstrom · Mike Downs · Bruce Jennings | Porsche 911L | — | | WSPR historical record |
| entry_only | - | P2.0 | Unipower | Roger Enever · Piers Weld Forester | Unipower GT | — | | WSPR historical record |
| entry_only | - | S3.0 | Hugh Kleinpeter | Bob Beatty | Chevron B8 BMW | — | | WSPR historical record |
| entry_only | - | S3.0 | Autodelta SpA | xxx | Alfa Romeo T33/2 | — | | WSPR historical record |
| entry_only | T | GT2.0 | British Leyland Motor Corpo | xxx | MGB | — | | WSPR historical record |
| entry_only | 40T | S3.0 | Autodelta SpA | Mario Casoni | Alfa Romeo T33/2 | — | | WSPR historical record |
| entry_only | 50 | S3.0 | Autodelta SpA | xxx | Alfa Romeo T33/2 | — | | WSPR historical record |
| entry_only | 83 | GT2.0 | Kline Porsche | James D. Osborne · Erwin Dollinger | Porsche 911 | — | | WSPR historical record |
| entry_only | 87 | T5.0 | William Lowel | William Lowell · Charles Pittenger · Dave Dralle | Ford Mustang | — | | WSPR historical record |
| entry_only | 89 | GT2.0 | Bill Herrington | Jerry Walsh · Robert Kilpatrick · Rick Mansfield | MGB | — | | WSPR historical record |
| entry_only | 91 | P2.0 | Anatoly Arutunoff | Anatoly Arutunoff · Dick Irish · Bill Pryor | Abarth 2000SP | — | | WSPR historical record |
| entry_only | 92 | T5.0 | Haliff Racing Enterprises | Ed Hinchliff · Bill Clauson | Ford Mustang | — | | WSPR historical record |
| entry_only | 95 | T2.0 | Aztec Racing Ltd. | Ali Lugo, Jr. · Bruce Goldman | NSU Prinz | — | | WSPR historical record |
| entry_only | 96 | GT2.0 | Herb Wetanson | Herb Wetanson · Tony Adamowicz · Ray Cuomo | Porsche 911 | — | | WSPR historical record |
| entry_only | 97 | T5.0 | Roger Penske Racing | Mark Donohue · Ronnie Bucknum | Chevrolet Camaro | — | | WSPR historical record |
