| Pos | Class | No | Team | Drivers | Car | Laps |
| 1 | GTP | 14 | Holbert Racing | Chip Robinson
Derek Bell
Al Unser Jr.
Al Holbert | Porsche 962 | 753 |
| 2 | GTP | 3 | Brun Motorsport | Gianfranco Brancatelli
Oscar Larrauri
Massimo Sigala | Porsche 962 | 745 |
| 3 | GTP | 16 | Dyson Racing | Price Cobb
Rob Dyson
Vern Schuppan | Porsche 962 | 742 |
4 DNF | GTP | 1 | A. J. Foyt Enterprises | A. J. Foyt
Al Unser
Danny Sullivan | Porsche 962 | 723 |
| 5 | GTP | 10 | Hotchkis Racing, Inc. | Jim Adams
John Hotchkis
John Hotchkis Jr. | Porsche 962 | 719 |
| 6 | GTP | 5 | Bob Akin Racing | Hans-Joachim Stuck
James Weaver
Bob Akin | Porsche 962 | 700 |
| 7 | GTO | 11 | Roush Racing | Tom Gloy
Bill Elliott
Lyn St. James
Scott Pruett | Ford Mustang | 685 |
| 8 | GTO | 98 | All American Racers | Chris Cord
Steve Millen | Toyota Celica Turbo | 681 |
| 9 | GTO | 22 | Roush Racing | Deborah Gregg
Bobby Akin
Scott Pruett
Scott Goodyear | Ford Mustang | 649 |
| 10 | GTU | 71 | Team Highball | Amos Johnson
Dennis Shaw
Bob Lazier | Mazda RX-7 | 642 |
| 11 | Lights | 01 | Spice Engineering/AT&T | Bob Earl
Don Bell
Jeff Kline | Spice SE86CL | 630 |
| 12 | Lights | 42 | White Allen Porsche | Howard Cherry
John Higgins
James King
Chip Mead | Fabcar CL | 626 |
| 13 | GTU | 82 | Aspen Inn | Mike Mees
Dick Greer
John Finger | Mazda RX-7 | 622 |
| 14 | Lights | 36 | Erie Scientific Racing | John Grooms
Tom Bagley
Frank Jellinek
Augie Pabst | Badger BB | 621 |
| 15 | GTO | 30 | Skoal Bandit | Buz McCall
Walt Bohren
Paul Dallenbach | Chevrolet Camaro | 616 |
| 16 | Lights | 19 | Scott Schubot | Jim Brown
Scott Schubot
Linda Ludemann | Tiga GT285 | 597 |
17 DNF | GTO | 99 | All American Racers | Ricky Rudd
Jerrill Rice
Juan Manuel Fangio II | Toyota Celica Turbo | 591 |
| 18 | GTU | 09 | 901 Racing | Peter Uria
Larry Figaro
John Hayes-Harlow
Kyle Rathbun | Porsche 911 Carrera RSR | 580 |
| 19 | GTO | 38 | Mandeville Auto/Tech | Roger Mandeville
Kelly Marsh
Danny Smith | Mazda RX-7 | 572 |
| 20 | GTO | 33 | Roush Racing | Bruce Jenner
Todd Morici
Gary Baker | Ford Mustang | 571 |
| 21 | Lights | 27 | MSB Racing | Dave Cowart
Kenper Miller
Jim Fowells | Argo JM19 | 566 |
| 22 | Lights | 66 | RM Racing | Charles Morgan
Chris Gennone
Jim Rothbarth | Royale RP40 | 554 |
23 DNF | GTU | 75 | CCR | Max Jones
Bart Kendall
Tommy Kendall | Mazda RX-7 | 522 |
24 DNF | GTO | 21 | Western Chemical | Robert Peters
Tom Nehl
Kent Painter | Chevrolet Camaro | 520 |
| 25 | GTO | 20 | Hi-Tech Coating | Tom Juckette
Bill McDill
Mike Laws | Chevrolet Camaro | 520 |
| 26 | GTO | 26 | Bob's Speed Products | Ken Bupp
Guy Church
Del Russo Taylor | Pontiac Firebird | 510 |
| 27 | GTU | 68 | Schaderacing | Steve DePoyster
Mike Jocelyn
Jim Kurz
Bob Schader | Mazda RX-7 | 503 |
| 28 | GTU | 78 | Chambers Racing | Dennis Chambers
Mike Meyer
Tom Burdsall | Mazda RX-7 | 498 |
| 29 | GTO | 29 | OMR Engines | Gene Felton
Oma Kimbrough
Hoyt Overbagh
Lee Perkinson | Chevrolet Camaro | 470 |
| 30 | GTU | 00 | S Squared Engineering | Charles Slater
Ernie Senator
Dave Duttinger | Porsche 911 Carrera RSR | 414 |
31 DNF | GTO | 28 | Protofab Racing | Greg Pickett
Darrell Waltrip
Terry Labonte | Chevrolet Camaro | 410 |
32 DNF | Lights | 96 | Hessert Racing | Tom Hessert Jr.
Keith Rinzler
Eduardo Dibós Chappuis | Tiga GT286 | 409 |
| 33 | GTO | 24 | Car Enterprises | Craig Rubright
Garrett Jenkins
Roy Newsome | Chevrolet Corvette | 404 |
34 DNF | GTO | 6 | Protofab Racing | Wally Dallenbach Jr.
John Jones
Tommy Riggins | Chevrolet Camaro | 402 |
35 DNF | GTU | 47 | Chaunce Wallace Racing | Richard Oakley
Chaunce Wallace
Doug Mills | Mazda RX-7 | 386 |
36 DNF | GTP | 51 | Cosmik-Roy Baker Racing | Costas Los
John Schneider
David Andrews | Tiga GC286 | 354 |
37 DNF | Lights | 63 | Certified Brakes Racing | Jim Downing
John O'Steen
John Maffucci | Argo JM19 | 352 |
| 38 | GTO | 32 | K&P Racing | Mark Kennedy
Karl Keck
Mark Montgomery
David Fuller | Chevrolet Corvette | 346 |
39 DNF | GTO | 87 | Morrison-Cook Motorsport | Tommy Morrison
Richard Ceppos
Don Knowles
Stu Hayner | Chevrolet Corvette | 337 |
40 DNF | GTP | 7 | Zakspeed | Whitney Ganz
David Hobbs
Giampiero Moretti | Ford Mustang Probe | 328 |
| 41 | GTO | 83 | Sasco Motorsports | Tom Gaffney
Paul Reisman
Richard Stone
Bob Hebert | Pontiac Firebird | 316 |
| 42 | GTU | 08 | Simms Romano | Vance Swifts
John Drew
Dean Hall
Paul Romano | Mazda RX-7 | 298 |
43 DNF | GTP | 8 | Primus Motorsport | Brian Redman
Chris Kneifel
Elliott Forbes-Robinson | Porsche 962 | 283 |
44 DNF | GTO | 90 | Road Circuit Tech | Andy Petery
Les Delano
Craig Carter | Buick Somerset | 281 |
45 DNF | GTU | 17 | Al Bacon Racing | Al Bacon
Rod Millen
Bob Reed | Mazda RX-7 | 277 |
46 DNF | Lights | 89 | Ball Brothers Racing | Steve Durst
Mike Brockman
Tony Belcher
Mark Abel | Spice SE86CL | 273 |
47 DNF | GTO | 76 | Peerless/Hendrick | Jack Baldwin
Eppie Wietzes | Chevrolet Camaro | 261 |
48 DNF | GTP | 52 | Hendrick Motorsports | Sarel van der Merwe
Doc Bundy | Chevrolet Corvette GTP | 255 |
49 DNF | Lights | 80 | Gaston Andrey Racing | Roger Andrey
Angelo Pallavicini
Uli Bieri | Alba AR2 | 246 |
50 DNF | GTP | 25 | DeAtley Motorsports | Jerry Brassfield
Michael Roe
John Bauer
Norton Gaston | March 85G | 245 |
51 DNF | Lights | 31 | Gebhardt Racing USA | Stanley Dickens
Frank Jelinski
Gary Robinson
Greg Hobbs | Gebhardt JC853 | 236 |
52 DNF | GTO | 64 | Raintree Corporation | Ken Johnson
Maurice Hassey
Lanny Hester | Ford Mustang | 225 |
53 DNF | GTO | 55 | Greg Walker Racing | Nort Northam
Scott Lagasse
Dennis Krueger | Chevrolet Corvette | 223 |
54 DNF | GTP | 44 | Group 44 | Bob Tullius
Hurley Haywood
John Morton | Jaguar XJR-7 | 216 |
55 DNF | GTO | 92 | Van Every Racing | Lance van Every
Rusty Bond
Ash Tisdelle | Chevrolet Camaro | 202 |
56 DNF | GTP | 86 | Bayside Disposal Racing | Klaus Ludwig
Jochen Mass | Porsche 962 | 144 |
57 DNF | GTO | 77 | Brooks Racing | Bobby Archer
Tommy Archer
Robert Lappalainen
Leo Franchi | Chevrolet Camaro | 121 |
58 DNF | GTP | 4 | Roush Racing | Scott Pruett
Pete Halsmer
Tom Gloy | Ford Mustang Maxum GTP | 120 |
59 DNF | Lights | 23 | Motion Promotions | George Petrilak
Graham Duxbury
Bill Jacobson
Helmut Silberberger | Argo JM16 | 119 |
60 DNF | Lights | 9 | Essex Racing | Steve Phillips
Howard Katz
Ron Nelson | Tiga GT285 | 111 |
61 DNF | GTO | 13 | Go Racing | Keith Lawhorn
Vince Gimondo
Ken Grostic | Oldsmobile Calais | 104 |
62 DNF | GTP | 67 | Uniroyal Goodrich | Bob Wollek
Jim Busby
Darin Brassfield | Porsche 962 | 89 |
63 DNF | GTO | 50 | Paul Canary Racing | Paul Canary
Jerry Winston
Phil Currin | Chevrolet Corvette | 88 |
64 DNF | GTU | 54 | SP Racing | Bill Auberlen
Karl Durkheimer
Dieter Oest
Gary Auberlen | Porsche 911 Carrera | 87 |
65 DNF | GTO | 88 | Morrison-Cook Motorsport | John Heinricy
Bob McConnell
Bill Adam
Bobby Carradine | Chevrolet Corvette | 77 |
66 DNF | GTO | 74 | Whitehall Rocketsports | Paul Gentilozzi
Irv Hoerr
Ted Boody | Oldsmobile Toronado | 52 |
67 DNF | Lights | 43 | White Allen Porsche | Tom Pumpelly
Scott Overbey
Tim McAdam
Thomas Schwietz | Fabcar CL | 42 |
68 DNF | GTU | 41 | Hugo Gralia | Hugo Gralia
Dennis Dobkin
Carlos Padrera
Secondo Tagliero | Mazda RX-7 | 30 |
69 DNF | Lights | 79 | Whitehall Rocketsports | Paul Lewis
Skeeter McKitterick
Tom Winters | Alba AR5 | 28 |
| Source:[4] |