| 1 | 2 | 1. S3.0 | SpA Ferrari SEFAC | Mario Andretti · Jacky Ickx | Ferrari 312PB | — | 194 | WSPR historical record |
| 2 | 6 | 2. S3.0 | SpA Ferrari SEFAC | Tim Schenken · Ronnie Peterson | Ferrari 312PB | — | 192 | WSPR historical record |
| 3 | 5 | S3.0 6 | todelta SpA 19 | Vic Elford · Helmut Marko | Alfa Romeo 33TT3 ASK US Au | — | 0 | WSPR historical record |
| 4 | 4 | 4. S3.0 | SpA Ferrari SEFAC | Clay Regazzoni · Brian Redman | Ferrari 312PB | — | 179 | WSPR historical record |
| 5 | 9T | 5. S3.0 | Autodelta SpA | Nanni Galli · Andrea de Adamich · DNS - Nino Vaccarella · DNS - Toine Hezemans | Alfa Romeo T33/3 | — | 175 | WSPR historical record |
| 6 | 56 | 1. S2.0 | BIP Bonnier | Tom Waugh · Hugh Kleinpeter | Lola T212 Ford | — | 166 | WSPR historical record |
| 7 | 59 | 1. GT2.5 | Brumos Porsche | Hurley Haywood · Peter Gregg | Porsche 911S | — | 166 | WSPR historical record |
| 8 | 57 | 1. GT+2.5 | Dave Heinz | Robert R. Johnson · Dave Heinz | Chevrolet Corvette Sting Ra | — | 163 | WSPR historical record |
| 9 | 55 | 2. S2.0 | Roger McCaig | Roger McCaig · Maurice McCaig | Lola T212 Ford | — | 161 | WSPR historical record |
| 10 | 61 | 2. GT2.5 | James N. Locke | Jim Locke · Bob Bailey | Porsche 911S | — | 161 | WSPR historical record |
| 11 | 94 | 1. T5.0 | Bolus & Snopes | Bob Mitchell · Bob Christiansen | Chevrolet Camaro | — | 158 | WSPR historical record |
| 12 | 47 | 2. T5.0 | Vincenzo Gimondo | Vince Gimondo · Chuck Dietrich | Chevrolet Camaro | — | 157 | WSPR historical record |
| 13 | 81 | GT2.5 56 | niel Muniz 15 | Daniel Muniz · Ruben Novoa · DNS - Juan Izquierdo | Porsche 914/6 GT ASK US Da | — | 5 | WSPR historical record |
| 14 | 41 | 4. GT2.5 | Peter Kirill | Peter Kirill · Russ Norburn | Porsche 911S | — | 152 | WSPR historical record |
| 15 | 18 | 2. GT+2.5 | Ring Free Oil | Charles Reynolds · Clive Baker · DNS - Bob Grossman | Ferrari 365 GT | — | 152 | WSPR historical record |
| 16 | 17 | 3. T5.0 | C. C. Canada | John Tremblay · David Ellis-Brown | Chevrolet Camaro | — | 152 | WSPR historical record |
| 17 | 89 | 4. T5.0 | Bobby Rinzler | Bert Gafford · Houghton Smith · Tom Fraser | Chevrolet Camaro | — | 151 | WSPR historical record |
| 18 | 42 | 5. T5.0 | Garcia Racing | Luis Sereix · Ralph Noseda · DNS - Robert Cao | Chevrolet Camaro | — | 142 | WSPR historical record |
| 19 | 52 | 6. T5.0 | Chitwood Racing | Joie Chitwood · Tim Chitwood | Chevrolet Camaro | — | 142 | WSPR historical record |
| 20 | 72 | 5. GT2.5 | Lee McDonald | Lee McDonald · Bert Everett | Porsche 914/6 GT | — | 131 | WSPR historical record |
| 21 | 99 | 3. GT+2.5 | Phil Currin | Robert Whitaker · Phil Currin | Chevrolet Corvette | — | 130 | WSPR historical record |
| not_classified | 54 | 3. S2.0 | Brian Goellnicht | Brian Goellnicht · Bill Pryor | Abarth 2000SP | — | 122 | WSPR historical record |
| not_classified | 60 | T5.0 | Robert Fordyce | Robert Fordyce · Richard Small | Chevrolet Camaro | — | 105 | WSPR historical record |
| not_classified | 12 | S3.0 | BIP Bonnier | Reine Wisell · Jo Bonnier · DNS - Gérard Larrousse · DNS - Nestor Garcia-Veiga | Lola T280 Ford | — | 93 | WSPR historical record |
| disqualified | 32 | S2.0 | Abarth-Osella | Arturo Merzario · Alex Soler-Roig | Abarth SE021 | — | 166 | WSPR historical record |
| disqualified | 48 | GT+2.5 | John Greenwood | Tony Adamowicz · John Greenwood | Chevrolet Corvette | — | 114 | WSPR historical record |
| retired | 50 | GT+2.5 | John Greenwood | Don Yenko · John Cordts | Chevrolet Corvette | — | 153 | WSPR historical record |
| retired | 82 | S3.0 | A. G. Dean (Racing) Ltd. | Tony Dean · Bobby Brown | Porsche 908/02 | — | 151 | WSPR historical record |
| retired | 22 | GT+2.5 | North American Racing Team | Sam Posey · Ronnie Bucknum · Luigi Chinetti, Jr. | Ferrari 365 GT | — | 119 | WSPR historical record |
| retired | 7 | S3.0 5 | todelta SpA 10 | Peter Revson · Rolf Stommelen | Alfa Romeo 33TT3 ASK US Au | — | 8 | WSPR historical record |
| retired | 62 | S3.0 | Escuderia Montjuich | Jorge de Bagration · Juan Fernandez | Porsche 908/03 | — | 100 | WSPR historical record |
| retired | 24 | T2.5 | John Buffum | John Buffum · John Fitzpatrick | Ford Escort RS1600 | — | 88 | WSPR historical record |
| retired | 43 | T5.0 | Garcia Racing | Javier Garcia · Manuel Garcia · DNS - George Garcia | Chevrolet Camaro | — | 79 | WSPR historical record |
| retired | 51 | GT+2.5 | Warren Shiber | Robert Spirgel · Arthur Mollin | Chevrolet Corvette | — | 75 | WSPR historical record |
| retired | 8 | T5.0 | Automotive Engineering Ente | Jim Fitzgerald · Tom Nehl | Chevrolet Camaro | — | 74 | WSPR historical record |
| retired | 58 | GT2.5 | Brumos Porsche | Hector Rebaque · Guillermo Rojas | Porsche 914/6 GT | — | 70 | WSPR historical record |
| retired | 27 | GT2.5 | Richard C. Weiss | Richard Schuck · Richard Weiss | Porsche 911S | — | 67 | WSPR historical record |
| retired | 53 | GT+2.5 | Michael Oleyar | Michael Oleyar · Robert Luebbe | Chevrolet Corvette | — | 65 | WSPR historical record |
| retired | 66 | GT2.5 | John Belperche | John Belperche · George Rollin | Porsche 911S | — | 64 | WSPR historical record |
| retired | 70 | T5.0 | Gene Harrington | Gene Harrington · Larry Bock | Chevrolet Camaro | — | 64 | WSPR historical record |
| retired | 16 | GT2.5 | Michael Keyser | Michael Keyser · Bob Beasley | Porsche 911S | — | 50 | WSPR historical record |
| retired | 26 | S2.0 | Shierson-Opert Racing | Nick Craw · Bill Barber | Chevron B19 Ford | — | 49 | WSPR historical record |
| retired | 87 | T5.0 | Buck Baker | Buck Baker · Larry Baker | Pontiac Firebird | — | 43 | WSPR historical record |
| retired | 88 | GT+2.5 | Bobby Rinzler | Charlie Kemp · Tom Fraser · Houghton Smith | Chevrolet Corvette | — | 36 | WSPR historical record |
| retired | 80 | T5.0 | Preston Hood | John Elliott · Don Gwynne, Jr. | Chevrolet Camaro | — | 35 | WSPR historical record |
| retired | 86 | T5.0 | Simone N. Fleming | Paul Fleming · David Boggs | Pontiac Firebird | — | 32 | WSPR historical record |
| retired | 11 | GT+2.5 | Daytona Beach Corvette Club | Jerry Thompson · Ron Weaver · Tony DeLorenzo | Chevrolet Corvette Spyder | — | 21 | WSPR historical record |
| retired | 28 | GT2.5 | Kremer Racing | Erwin Kremer · Günther Huber | Porsche 911S | — | 19 | WSPR historical record |
| retired | 40 | GT2.5 | Levon Pentecost | Levon Pentecost · Anthony Torgersen | Porsche 911S | — | 11 | WSPR historical record |
| retired | 21 | S3.0 | North American Racing Team | Luigi Chinetti, Jr. · George Eaton | Ferrari 312P | — | 7 | WSPR historical record |
| retired | 33 | GT+2.5 | R. Sheldon Stafford | R. Sheldon Stafford · Ron Stafford | Chevrolet Corvette | — | 5 | WSPR historical record |
| retired | 74 | T5.0 | Norman Mosher | Al Straub · Norm Mosher | Ford Mustang | — | 2 | WSPR historical record |
| retired | 76 | GT2.5 | George Stone | George Stone · Bruce Jennings | Porsche 911T | — | 2 | WSPR historical record |
| retired | 93 | T5.0 | Bolus & Snopes | Dave Houser · Wilbur Shaw, Jr. · DNS - Brock Yates | Shelby GT350 | — | 2 | WSPR historical record |
| retired | 25 | S2.0 | Shierson-Opert Racing | Rodolfo Junco · Fred van Beuren, Jr. - DND | Chevron B19 Ford | — | 1 | WSPR historical record |
| retired | 14 | S3.0 | BIP Bonnier | Gérard Larrousse · Chris Craft · Nestor Garcia-Veiga - DND | Lola T280 Ford | — | 0 | WSPR historical record |
| did_not_start | 3 | S3.0 | todelta SpA | Andrea de Adamich · Nanni Galli | Alfa Romeo 33TT3 ASK US Au | — | Ac | WSPR historical record |
| did_not_start | 19 | GT2.5 44 | ve McClain | David McClain · Dave White | Porsche 914/6 GT ASK US Da | — | | WSPR historical record |
| did_not_qualify | 75 | GT2.5 | Don Kearney | Bobby Clark · Don Kearney | Datsun 510 | — | | WSPR historical record |
| did_not_qualify | 79 | T5.0 | Arrow Racing | Eddie Johnson · Clay Young | Chevrolet Camaro | — | | WSPR historical record |
| entry_only | 20 | S3.0 | Jochen J. Weisse | Jochen J. Weisse · Gerhard Whiffin | Porsche 917 | — | | WSPR historical record |
| entry_only | 23 | GT+2.5 | North American Racing Team | Ronnie Bucknum | Ferrari 365 GTB/4 | — | | WSPR historical record |
| entry_only | 37 | T5.0 | Danny L. Moore | Dan Moore · Gary Bishop | Ford Mustang | — | | WSPR historical record |
| entry_only | 39 | S3.0 | Rainer Brezinka | Rainer Brezinka · Rudy Bartling · Roman Pechmann | Porsche 910 | — | | WSPR historical record |
| entry_only | 46 | T2.5 | Bob Armstrong | Bob Armstrong · Rod Bremner | Mazda R100 | — | | WSPR historical record |
| entry_only | 64 | GT+2.5 | Robert Beachle | Bob Baechle · Roger Burdick | Chevrolet Corvette | — | | WSPR historical record |
| entry_only | 77 | GT2.5 | Alfred Cosentino | Jerry Lustig · William Baldwin · Craig Fisher | Fiat 124 | — | | WSPR historical record |
| entry_only | 78 | T5.0 | Muniz/Izquierdo | Daniel Muniz · Juan Izquierdo | Ford Mustang | — | | WSPR historical record |
| entry_only | 92 | T5.0 | Gordon Barkley | Gordon Barkley · William Stroud | Shelby GT350 | — | | WSPR historical record |
| entry_only | 96 | T5.0 | Gene Felton | Gene Felton | Chevrolet Camaro | — | | WSPR historical record |
| entry_only | 98 | T5.0 | Ed Matthews | xxx | Ford Mustang | — | | WSPR historical record |
| entry_only | 99 | GT+2.5 | Ed Matthews | Ed Matthews | Ferrari 365 GTB/4 | — | | WSPR historical record |
