| 1 | GTP | 18 | United States JLP Racing | United States John Paul Sr. United States John Paul Jr. | Porsche 935 | 244 |
| 2 | GTP | 46 | United States Garretson Development | United States Bobby Rahal Colombia Mauricio de Narváez United States Jim Trueman | March 82G | 244 |
| 3 | GTP | 8 | United States JLP Racing | United States M. L. Speer United States Terry Wolters United States Charles Mendez | Porsche 935 | 237 |
| 4 | GTO | 50 | Puerto Rico Diego Febles Racing | Puerto Rico Diego Febles Puerto Rico Tato Ferrer Puerto Rico Chiqui Soldevilla | Porsche 911 Carrera RSR | 235 |
| 5 | GTP | 86 | United States Bayside Disposal Racing | United States Hurley Haywood United States Al Holbert United States Bruce Leven | Porsche 935 | 231 |
| 6 | GTU | 38 | United States Mandeville Racing Ent. | United States Roger Mandeville United States Jeff Kline United States Amos Johnson | Mazda RX-7 | 224 |
| 7 | GTP | 9 | United States Garretson Development | United States Ray Ratcliff United States Grady Clay United States Skeeter McKitterick | Porsche 935 | 224 |
| 8 | GTO | 39 | Canada R&H Racing | Canada Rainer Brezinka Canada Rudy Bartling Canada Fritz Hochreuter | Porsche 911 Carrera RSR | 221 |
| 9 | GTO | 01 | United States Marketing Corporation | United States John Morton United States Tom Klausler | Ford Mustang | 219 |
| 10 | GTO | 05 | United States T&R Racing | United States Tico Almeida Venezuela Ernesto Soto United States Rene Rodriguez | Porsche 911 Carrera RSR | 218 |
| 11 | GTO | 26 | United States Roe-Selby Racing | United States Earl Roe United States Tim Selby | Porsche 911 Carrera RSR | 212 |
| 12 | GTP | 5 | United States Bob Akin Motor Racing | United Kingdom Derek Bell United States Craig Siebert United States Bob Akin | Porsche 935 | 212 |
| 13 | GTU | 63 | United States Jim Downing | United States Jim Downing United States Tom Waugh United States John Maffucci | Mazda RX-7 | 209 |
| 14 | GTO | 75 | United States D&L Performance | United States Doug Lutz United States Dave Panaccione | Porsche 911 Carrera RSR | 205 |
| 15 | GTO | 02 | United States Marketing Corporation | United States Milt Minter United States John Bauer | Ford Mustang | 194 |
| 16 | GTU | 27 | United States Scuderia Rosso | United States Jim Fowells United States Ray Mummery United States John Carusso | Mazda RX-7 | 194 |
| 17 | GTU | 61 | United States Paul Goral | United States Paul Goral United States Nort Northam United States Jim Burt | Porsche 911 | 189 |
| 18 DNF | GTP | 00 | United States Interscope Racing | United States Ted Field United States Danny Ongais | Porsche 935 | 187 |
| 19 | GTO | 21 | United States Creviér & Associates | United States Joe Crevier United States Paul Fassler United States Bob Zeigel | BMW M1 | 187 |
| 20 DNF | GTP | 7 | United States Cooke Racing | United States Ralph Kent-Cooke United States Jim Adams United Kingdom David Hobbs | Lola T600 | 184 |
| 21 | GTU | 77 | United States Dudley Davis | United States Dudley Davis United States Henry Godfredson United States Charlie Lloyd | Porsche 911 | 184 |
| 22 | GTU | 78 | United States Der Klaus Haus | United States Vicki Smith United States Klaus Bitterauf United States Scott Flanders | Porsche 911 | 183 |
| 23 | GTO | 58 | United States Brumos Racing | United States Jim Busby United States Doc Bundy United States James Brolin | Porsche 924 Carrera GTR | 175 |
| 24 | GTU | 68 | United States John Rynerson | United States John Rynerson United States Van McDonald United States Harvey McDonald | Porsche 911 | 168 |
| 25 DNF | GTU | 42 | United States Gary Wonzer | United States Gary Wonzer United States Bill Bean United States Chuck Grantham | Porsche 911S | 164 |
| 26 DNF | GTP | 6 | United States North American Racing Team | South Africa Desiré Wilson United States Janet Guthrie United States Bonnie Henn | Ferrari 512 BB | 163 |
| 27 DNF | GTP | 16 | United States T-Bird Swap Shop | United States Marty Hinze United States Bill Whittington United States Dave Whittington | Porsche 935 K3 | 151 |
| 28 DNF | GTP | 09 | United States T-Bird Swap Shop | United States Preston Henn United States Dale Whittington United States Randy Lanier | Porsche 935 K3 | 146 |
| 29 | GTO | 88 | United States Shafer Concrete | United States George Shafer United States Craig Shafer United States Al Crookston | Chevrolet Camaro | 144 |
| 30 | GTU | 07 | Canada Road Runner Racing | United States Tom Buckley Canada Peter Aschenbrenner United States Gene Rutherford | Porsche 914-6 GT | 142 |
| 31 | GTP | 97 | United States The Cummings Marque | United States Don Cummings United States Irwin Ayes | Chevrolet Monza | 141 |
| 32 | GTO | 94 | United States Bard Boand | United States Bard Boand United States Richard Anderson United States Brian Utt | Chevrolet Corvette | 138 |
| 33 DNF | GTO | 4 | United States Oftedahl Racing | United States Darin Brassfield United States Jerry Brassfield United States Bill Cooper | Pontiac Firebird | 135 |
| 34 | GTU | 93 | Canada Uli Bieri | Canada Uli Bieri Switzerland Jean-Pierre Zingg Canada Herman Lausberg | Porsche 911 | 127 |
| 35 DNF | GTU | 66 | United States Dunham Trucking | United States Jack Dunham United States Luis Sereix | Mazda RX-7 | 124 |
| 36 DNF | GTO | 34 | United States Drolsom Racing | United States George Drolsom United States Bill Johnson United States Tom Davey | Porsche 924 Carrera GTR | 119 |
| 37 DNF | GTP | 03 | Switzerland Angelo Pallavicini | Switzerland Angelo Pallavicini Australia Neil Crang United Kingdom John Sheldon | Porsche 935 | 119 |
| 38 DNF | GTU | 96 | United States Bon Temps Racing | United States Ron Reed United States Mike Langlinais | Datsun 240Z | 119 |
| 39 DNF | GTO | 54 | United States Montura Racing | United States Tony Garcia United States Albert Naon United States Fred Stiff | BMW M1 | 116 |
| 40 | GTP | 81 | United States Meldeau Tire World | United States Bill McDill United States Mike Meldeau United States Tom Juckette | Chevrolet Camaro | 104 |
| 41 DNF | GTU | 51 | United States Red Roof Inns | United States Ed Pimm United States Walt Bohren United States Doug Carmean | Mazda RX-7 | 103 |
| 42 DNF | GTP | 20 | United States Fuchs-Whitaker | United States Bruce Jernigan United States William Boyer | Chevrolet Camaro | 90 |
| 43 DNF | GTO | 84 | El Salvador Scorpio Racing | El Salvador "Jamsal" El Salvador Eduardo Barrientos | Porsche 934 | 77 |
| 44 DNF | GTP | 25 | United States Red Lobster Racing | United States Dave Cowart United States Kenper Miller | March 82G | 72 |
| 45 DNF | GTP | 69 | United States Kenneth LaGrow | United States Kenneth LaGrow United States William Boyer United States Jack Turner | Chevrolet Monza | 68 |
| 46 DNF | GTO | 44 | United States Statagraph Inc. | United States Billy Hagan United States Gene Felton | Chevrolet Camaro | 63 |
| 47 DNF | GTU | 30 | United States Case Racing | United States Ron Case United States Michael Harry Italy Angelo Pizzagelli | Porsche 911 | 62 |
| 48 DNF | GTP | 65 | United States Prancing Horse Farm Racing | United States Carson Baird United States Tom Pumpelly United States Chip Mead | Ferrari 512 BB | 59 |
| 49 DNF | GTP | 74 | United States Mark Wagoner | United States Del Russo Taylor United States Wayne Dassinger | Chevron GTP | 57 |
| 50 DNF | GTO | 40 | Puerto Rico Manuel Villa | Puerto Rico Luis Gordillo Puerto Rico Manuel Villa Puerto Rico Mandy Gonzalez | Porsche 911 Carrera RSR | 56 |
| 51 DNF | GTO | 79 | United States ProMotion/Whitehall | United States Tom Winters United States Robert Overby United States Bob Bergstrom | Porsche 924 Carrera GTR | 55 |
| 52 DNF | GTO | 10 | United States Oftedahl Racing | United States Bob Raub United States Tony Brassfield United States Carl Shafer | Pontiac Firebird | 52 |
| 53 DNF | GTU | 87 | United States R. Sanchez Racing | Dominican Republic Luis Mendez United States Ralph Sanchez United States Armando Ramirez | Mazda RX-7 | 50 |
| 54 DNF | GTP | 23 | United States Superior Racing | United States Raul Garcia United States Armando Fernandez | Chevrolet Camaro | 38 |
| 55 DNF | GTU | 82 | United States Trinity Racing | United States Jim Cook United States Jim Mullen | Mazda RX-7 | 36 |
| 56 DNF | GTU | 15 | United States Tim Lee | United States Timothy Lee United States Al White United States Craig Pearce | Mercury Capri | 36 |
| 57 DNF | GTO | 53 | El Salvador Fomfor Racing El Salvador | El Salvador "Fomfor" El Salvador Guillermo Valiente El Salvador Benjamin Gonzalez | BMW 3.0 CSL | 27 |
| 58 DNF | GTP | 48 | United States Sanyo | United States Phil Currin United States John Carusso | Chevrolet Corvette | 26 |
| 59 DNF | GTU | 3 | United States Ned Skiff | United States Ned Skiff United States Jim Leo | Renault 12 | 26 |
| 60 DNF | GTO | 19 | United States Van Every Racing | United States Ash Tisdelle United States Lance van Every | Porsche 911 Carrera RSR | 23 |
| 61 DNF | GTO | 36 | United States Herman-Miller P. A. | United States Paul Miller United States Pat Bedard Germany Jürgen Barth | Porsche 924 Carrera GTR | 23 |
| 62 DNF | GTP | 45 | United States Statagraph Inc. | United States Hershel McGriff United States Richard Brooks | Chevrolet Camaro | 21 |
| 63 DNF | GTO | 60 | United States Bob's Speed Products | United States Bob Lee United States Brian Erikson United States Guy Church | AMC AMX | 18 |
| 64 DNF | GTO | 71 | United States Sunrise Auto Parts | United States Jeff Loving United States Edward Belin | Chevrolet Camaro | 14 |
| 65 DNF | GTP | 2 | United Kingdom John Fitzpatrick Racing | United Kingdom John Fitzpatrick United Kingdom David Hobbs | Porsche 935 K3 | 7 |
| 66 DNF | GTO | 29 | United States Oberdorfer Research | United States Hoyt Overbagh United States Peter Kirill United States Scott Smith Jr. | Oldsmobile Starfire | 7 |
| 67 DNF | GTO | 11 | United States Kendall Racing | United States Dennis Aase United States Chuck Kendall United States John Hotchkis | BMW M1 | 1 |
| DNS | GTP | 0 | United States Interscope Racing | United States Ted Field United States Danny Ongais | Porsche 935 K3 | 0 |
| DNS | GTO | 17 | United States Tim Chitwood | United States Tim Chitwood United States Joe Varde | Chevrolet Camaro | 0 |
| DNS | GTU | 31 | United States Hallet Motor Racing Circuit | United States Anatoly Arutnoff United States Jose Marina | Lancia Stratos HF | 0 |
| DNS | GTO | 22 | United States Toyota Village Inc. | United States Werner Frank United States Ken Madren | Porsche 934 | 0 |
| DNS | GTO | 28 | United States McVey Racing Enterprises | United States Bill McVey Canada David Deacon United States Scott Smith Jr. | Chevrolet Camaro | 0 |
| DNS | GTP | 47 | United States Frank Rubino | United States Frank Rubino United States Tom Davis | Ferrari 512 BB | 0 |