| 1 | 99 | 1. GTX | Brumos Porsche | Rolf Stommelen · Toine Hezemans · Peter Gregg | Porsche 9 | — | 680 | WSPR historical record |
| 2 | 6 | 2. GTX | Dick Barbour Racing | Dick Barbour · Manfred Schurti · Johnny Rutherford | Porsche 935/77 | — | 650 | WSPR historical record |
| 3 | 58 | 1. GTO | Diego Febles | Diego Febles · Alec Poole | Porsche Carrera RSR | — | 645 | WSPR historical record |
| 4 | 33 | 2. GTO | Boricua Racing | Bonky Fernandez · John Paul · Phil Currin | Porsche Carrer | — | 637 | WSPR historical record |
| 5 | 14 | 3. GTX | Kremer Porsche Racing | Josef Brambring · Dieter Schornstein · "John Winter" | Porsche 935 Tu | — | 635 | WSPR historical record |
| 6 | 09 | 4. GTX | Gary Belcher | Gary Belcher · Doc Bundy · Al Holbert | Porsche 935 Tu | — | 632 | WSPR historical record |
| 7 | 32 | 5. GTX | Earle/Akin | Steve Earle · Bob Akin · Rick Knoop | Porsche Carrer | — | 632 | WSPR historical record |
| 8 | 65 | 3. GTO | David Carradine | John Morton · Tony Adamowicz · Hal Sahlman · Bobby Carradine | Ferrari 365 GTB/4 | — | 622 | WSPR historical record |
| 9 | 59 | 6. GTX | Brumos Porsche | Peter Gregg · Claude Ballot-Léna · Brad Frisselle | Porsche 935/77 | — | 621 | WSPR historical record |
| 10 | 13 | 7. GTX | Hal Shaw, Jr. | Hal Shaw, Jr. · Jim Busby · Howard Meister | Porsche 935 Tu | — | 608 | WSPR historical record |
| 11 | 01 | 1. GTU | J. Dana Roehrig | Dave White · Gary Mesnick · J. Dana Roehrig | Porsche 911 | — | 604 | WSPR historical record |
| 12 | 34 | 2. GTU | George Drolsom | George Drolsom · Hugh Davenport · Mark Greb | Porsche 911S | — | 592 | WSPR historical record |
| 13 | 21 | 8. GTX | Konrad Racing | Franz Konrad · Reinhold Jöst · Volkert Merl | Porsche 935/77 | — | 590 | WSPR historical record |
| 14 | 08 | 3. GTU | Terry Wolters | Terry Wolters · Jack Refenning · Ray Mummery | Porsche 911 | — | 584 | WSPR historical record |
| 15 | 24 | 9. GTX | Tom Frank | Tom Frank · Bob Bergstrom | Porsche Carrera RSR | — | 580 | WSPR historical record |
| 16 | 84 | 4. GTU | Wolrdparts | Chris Doyle · John Maffucci · Bob Speakman | Datsun 260Z | — | 577 | WSPR historical record |
| 17 | 60 | 5. GTU | R & R Racing | John Thomas · Ren Tilton · Rusty Bond | Porsche 911 | — | 551 | WSPR historical record |
| 18 | 29 | 6. GTU | Richard C. Weiss | Richard Weiss · Bill Alsup · Bill Follmer | Porsche 911S | — | 550 | WSPR historical record |
| 19 | 37 | 0. GTX | Clay Young | Bob Buchler · Eddie Johnson · Clay Young | Chevrolet Camaro | — | 550 | WSPR historical record |
| 20 | 46 | 4. GTO | Mauricio DeNarvaez | Mauricio DeNarvaez · Albert Naon · Tony Garcia | Porsche Carrera RSR | — | 547 | WSPR historical record |
| 21 | 22 | 7. GTU | Music City Racing | Bill Harriss · Volker Bruckmann · Ron Southern | Porsche 911E | — | 546 | WSPR historical record |
| 22 | 5 | 1. GTX | Team Grand Competition on C | François Migault · Lucien Guitteny · Gregg Young | Ferrari 365 GT4/BB | — | 521 | WSPR historical record |
| 23 | 68 | 5. GTO | Luis Mendez | Luis Mendez · Mandy Gonzalez · Tato Ferrer | Porsche Carrer | — | 509 | WSPR historical record |
| 24 | 91 | 8. GTU | Bob Bondurant | Bill Cooper · Steve Cook · Bob Bondurant · Ron Southern | Datsun 240Z | — | 508 | WSPR historical record |
| 25 | 78 | 6. GTO | Western Motor Works | Bobby Hillin · William Henderson · Richard Turner | Ferrari 365 GTB/4 | — | 506 | WSPR historical record |
| 26 | 9 | 9. GTU | Anatoly Arutunoff | Brian Goellnicht · José Marina · Jack May · Anatoly Arutunoff | Lancia Stratos | — | 505 | WSPR historical record |
| 27 | 94 | 7. GTO | Preston Henn | Preston Henn · Hal Sahlman · Sandy Satullo | Ferrari 365 GTB/4 | — | 502 | WSPR historical record |
| 28 | 36 | 0. GTU | Case Racing | Ron Case · Dave Panaccione | Porsche 911 | — | 500 | WSPR historical record |
| 29 | 53 | 1. GTU | Mazda Auto Tokyo | Jim Downing · Stu Fisher · Walt Bohren · Roger Mandeville | Mazda RX-3 | — | 498 | WSPR historical record |
| 30 | 61 | 2. GTU | Alfred Cosentino | Taku Akaike · Al Cosentino | Mazda RX-3 | — | 498 | WSPR historical record |
| 31 | 38 | 2. GTX | Mike Meldeau | Bill McDill · Mike Meldeau | Chevrolet Camaro | — | 497 | WSPR historical record |
| 32 | 10 | 8. GTO | Robert H. Lee | Guy Church · Rick Kump · Bob Lee | AMC AMX | — | 481 | WSPR historical record |
| 33 | 50 | 3. GTU | Charles Kleinschmidt | Charles Kleinschmidt · Lee Culpepper | MGB-GT | — | 477 | WSPR historical record |
| 34 | 77 | 9. GTO | Amos Johnson/Dennis Shaw | Amos Johnson · Dennis Shaw · Charles Woodward | AMC Hornet AMX | — | 475 | WSPR historical record |
| 35 | 7 | 3. GTX | Ludwig Heimrath | Ludwig Heimrath · Jacques Bienvenue · Norm Ridgely | Porsche 935 Tu | — | 466 | WSPR historical record |
| 36 | 07 | 0. GTO | Morrison | Dave Cowart · Charles Mendez · Joe Castellano | Porsche Carrera RSR | — | 459 | WSPR historical record |
| 37 | 82 | 4. GTX | Carm Solomone | Carm Solomone · Fred Lang · Buzz Fyhrie | Chevrolet Camaro | — | 456 | WSPR historical record |
| 38 | 15 | 5. GTX | Bavarian Motors Internation | Bruno Beilcke · Sepp Grinbold · Alf Gebhardt | BMW 3.0 CSL | — | 427 | WSPR historical record |
| 39 | 55 | 4. GTU | Emiliano Rodriguez | Emiliano Rodriguez · Hiram Cruz | Lotus Europa Ford | — | 402 | WSPR historical record |
| 40 | 95 | 6. GTX | Bob Hagestad | Hurley Haywood · Bob Hagestad · Doc Bundy | Porsche 935 Tu | — | 400 | WSPR historical record |
| 41 | 18 | 7. GTX | Ours & Hours Racing | Dick Gauthier · Jack Swanson · Brad West | Chevrolet Camaro | — | 395 | WSPR historical record |
| 42 | 56 | 8. GTX | Carter Brothers | Richard Valentine · Craig Carter · Murray Edwards | Chevrolet Camaro | — | 361 | WSPR historical record |
| 43 | 87 | 5. GTU | Pedro Vazquez, Jr. | Pedro Vazquez · Ron Oyler · Joseph Hamilton · Gunter Hamilton · DNS - Gunter Seipolt | Porsche 911 | — | 360 | WSPR historical record |
| 44 | 02 | 1. GTO | Al Levenson | Dick Neland · Al Levenson · Tom Brown | Chevrolet Corvette | — | 353 | WSPR historical record |
| 45 | 52 | 6. GTU | Mazda Auto Tokyo | Yoshimi Katayama · Yojiro Terada · Roger Mandeville | Mazda RX-3 | — | 271 | WSPR historical record |
| 46 | 19 | 9. GTX | Chris Cord | Chris Cord · Jim Adams | Chevrolet Monza | — | 261 | WSPR historical record |
| 47 | 73 | 0. GTX | Clark Howey | Clark Howey · Dale Koch · David Crabtree | Chevrolet Camaro | — | 259 | WSPR historical record |
| 48 | 76 | 7. GTU | Frank Thomas | Frank Thomas · Lee Mueller · Logan Blackburn | Porsche 911 | — | 224 | WSPR historical record |
| 49 | 72 | 1. GTX | Bill Arnold | Carl Thompson · Billy Hagan · Rusty Schmidt | Chevrolet Corvette | — | 169 | WSPR historical record |
| 50 | 20 | 2. GTO | Richard L. Bostyan | Richard Bostyan · Jerry Thompson · Don Yenko | Chevrolet Corvette | — | 152 | WSPR historical record |
| 51 | 25 | 3. GTO | Kenper Miller | Kenper Miller · Paul Miller · Oscar Koveleski | BMW 3.0 CSL | — | 125 | WSPR historical record |
| 52 | 05 | 2. GTX | Dale Kreider | Stephen Bond · Dale Kreider · Philip Dann | Chevrolet Monza | — | 123 | WSPR historical record |
| 53 | 8 | 4. GTO | Jolly Club | Felice Besenzoni · Luciano Dal Ben · Byron Wever | Ferrari 308 GTB | — | 117 | WSPR historical record |
| 54 | 48 | 5. GTO | John Carusso | John Carusso · Emory Donaldson · Luis Sereix | Chevrolet Corvette | — | 90 | WSPR historical record |
| 55 | 80 | 6. GTO | Herb Adams | Herb Adams · Pat Bedard · Marv Thomson | Oldsmobile Cutlass | — | 89 | WSPR historical record |
| 56 | 0 | 3. GTX | Interscope Racing | Danny Ongais · Ted Field · Milt Minter | Porsche 935/77 | — | 88 | WSPR historical record |
| 57 | 12 | 4. GTX | Porsche Kremer Racing | Bob Wollek · Henri Pescarolo · Didier Jaunet | Porsche 935/77 | — | 86 | WSPR historical record |
| 58 | 51 | 8. GTU | Wynn's International | John Hotchkis · Robert Kirby · Dennis Aase | Porsche 911 | — | 85 | WSPR historical record |
| 59 | 4 | 7. GTO | Jolly Club | Dino Mallet · Bob Bondurant · Sergio Romolotti · DNS - Romeo Camathias | Ferrari 308 GTB | — | 82 | WSPR historical record |
| 60 | 03 | 8. GTO | Guido Levetto | Guido Levetto · Dan Rice | Chevrolet Camaro | — | 79 | WSPR historical record |
| 61 | 54 | 5. GTX | T & C | John Tunstall · Stephen Behr · Lou Timolat | Porsche Carrera | — | 70 | WSPR historical record |
| 62 | 39 | 9. GTO | Greg Pickett | Greg Pickett · Neil Bonnet · Bruce Canepa | Porsche Carrera | — | 67 | WSPR historical record |
| 63 | 27 | 9. GTU | Z & W Enterprises | Pierre Honegger · Bill Scott · Mark Hutchins · DNS - Bob Dean | Mazda RX-3 | — | 57 | WSPR historical record |
| 64 | 2 | 6. GTX | McLaren North America | David Hobbs · Ronnie Peterson | BMW 320i Turbo | — | 47 | WSPR historical record |
| 65 | 17 | 0. GTO | Tim Chitwood | Sam Fillingham · Tim Chitwood · K. P. Jones | Chevrolet Nova | — | 45 | WSPR historical record |
| 66 | 3 | 7. GTX | Jolly Club | Carlo Facetti · Martino Finotto | Porsche 935/77A Turbo | — | 6 | WSPR historical record |
| disqualified | 71 | GTU | Bill Scott | Francisco Romero · Ernesto Soto · Hardie Beloff | Porsche 911 | — | 617 | WSPR historical record |
| did_not_start | 85 | GTU | John Hulen | John Hulen · Ron Coupland · Nick Engels | Porsche 914/6 | — | 0 | WSPR historical record |
| did_not_start | 66 | GTX | David Carradine | Don Devendorf · Tony Adamowicz · Jeff Kline | Ferrari 365 GTB/4 | — | | WSPR historical record |
| did_not_start | 86 | GTX | Hugh Kleinpeter | Janet Guthrie · Hugh Kleinpeter · Jef Stevens | De Tomaso Pantera GT4K | — | | WSPR historical record |
| did_not_qualify | 88 | GTU | Joseph Hamilton | Joseph Hamilton · Chuck Wade · Marty Hinze | Porsche Carrera | — | | WSPR historical record |
| entry_only | 11 | GTU | Robert Hoskins | Rob Hoskins · Jeffrey Brooks · Van McDonald | Triumph TR-7 | — | | WSPR historical record |
| entry_only | 26 | GTU | Eleven-Tenths Racing | Ernie Smith · Gene Budd | Alfa Romeo Sprint Veloce | — | | WSPR historical record |
| entry_only | 41 | GTX | Ted Schumacher | Ted Schumacher · Robert Hubbard · John Kelly | Triumph GT6 | — | | WSPR historical record |
| entry_only | 42 | GTX | William Harris | William Harris · Ted Kempgens · Greg Donohue | Ford Pinto | — | | WSPR historical record |
| entry_only | 43 | GTX | Allan F. Bodoh | Don Pike · Byron Wever · Allan Bodoh | Porsche Carrera | — | | WSPR historical record |
| entry_only | 45 | GTX | Vann's Auto Body | Gary Steele · Bob Zulkowski · James Gaeta | Porsche Carrera | — | | WSPR historical record |
| entry_only | 47 | GTX | Robert V. LaMay | Robert LaMay · Mike Powell · Eric Orberg | Ford Mustang | — | | WSPR historical record |
| entry_only | 63 | GTX | Charles F. Pelz | Charles Pelz · Wiley Doran · David Cunningham | Chevrolet Camaro | — | | WSPR historical record |
| entry_only | 70 | GTU | Race Car | M. L. Speer · Windle Turley · Bobby Hillin · Steve Anderson | Porsche 911S | — | | WSPR historical record |
| entry_only | 75 | GTU | Paul B. May | Paul May · Logan Blackburn · Ken McNicol | Datsun 510 | — | | WSPR historical record |
| entry_only | 89 | GTO | Barrick Motor Racing | Turner Woodard · Don Parish · Dave Causey | Porsche Carrera | — | | WSPR historical record |