| Pos | Class | No | Team | Drivers | Car | Laps |
| 1 | GTP | 8 | Preston Henn | A. J. Foyt
Bob Wollek | Porsche 962 | 281 |
| 2 | GTP | 14 | Holbert Racing | Al Holbert
Derek Bell
Al Unser Jr. | Porsche 962 | 277 |
| 3 | GTP | 68 | Busby Racing | Pete Halsmer
Dieter Quester
Rick Knoop | Porsche 962 | 268 |
| 4 | GTP | 44 | Group 44 | Chip Robinson
Bob Tullius | Jaguar XJR-5 | 259 |
| 5 | Lights | 63 | Jim Downing | Jim Downing
John Maffucci | Argo JM16 | 253 |
| 6 | GTO | 65 | Team Roush Protofab | Wally Dallenbach Jr.
John Jones | Ford Mustang | 251 |
| 7 | GTP | 2 | Leon Bros. Racing | Al Leon
Art Leon
Skeeter McKitterick | March 85G | 250 |
| 8 | GTP | 11 | Kendall Racing | Chuck Kendall
John Hotchkis
Robert Kirby | Porsche 935 K3 | 240 |
| 9 | GTO | 90 | Road Circuit Technology | Les Delano
Andy Petery
Patty Moise | Pontiac Firebird | 239 |
| 10 | GTO | 09 | 901 Shop | Peter Uria
Mike Schaefer
Larry Figaro
Jack Refenning | Porsche 911 Carrera RSR | 237 |
| 11 | GTO | 61 | Team USA Racing | Don Courtney
Brent O'Neill
Mike Hackney | Chevrolet Monza | 231 |
| 12 | GTO | 89 | Latino Racing | "Jamsal"
Kikos Fonseca
Alfredo Mena | Porsche 934 | 219 |
13 DNF | GTO | 53 | Mandeville Auto Tech | Danny Smith
Tom Waugh | Mazda RX-7 | 218 |
| 14 | Lights | 37 | Burdsall - Welter Racing | Tom Burdsall
Peter Welter
Nick Nicholson | Tiga GT284 | 216 |
| 15 | GTU | 56 | SP Racing | Gary Auberlen
Peter Jauker
Adrian Gang
Cary Eisenlohr | Porsche 911 Carrera | 209 |
| 16 | Lights | 93 | Mid-O/Rusty Jones | Kelly Marsh
Ron Pawley
Don Marsh | Argo JM16 | 205 |
| 17 | GTP | 31 | Goral Racing | Paul Goral
Rick Wilson | Porsche 935 | 204 |
18 DNF | GTO | 39 | R & H Racing | Rainer Brezinka
John Centano
Fritz Hochreuter | Porsche 911 Carrera RSR | 202 |
| 19 | GTU | 00 | Tommy Kendall | Tommy Kendall
Bart Kendall
Max Jones | Mazda RX-7 | 202 |
20 DNF | GTO | 58 | Coin Operated Racing | Rick Borlase
Michael Hammond
Jim Torres | Porsche 934 | 198 |
| 21 | Lights | 34 | O'Brien - van Steenburg Racing | Larry O'Brien
Mike Van Steenburg | Mazda OVS-1 | 184 |
| 22 | GTO | 98 | Bob's Speed Products | Bob Lee
Bill Julian
Jeff Hudlett | Buick Skyhawk | 182 |
| 23 | GTP | 20 | Spirit of Cleveland | Richard Silver
Don Herman
Freddy Baker | Porsche 935 | 182 |
24 DNF | GTO | 38 | Mandeville Auto Tech | Roger Mandeville
Logan Blackburn | Mazda RX-7 | 180 |
| 25 | GTU | 35 | Team Dallas | Jack Griffin
Bobby Hefner
Skip Winfree | Porsche 911 Carrera RSR | 178 |
26 DNF | GTP | 67 | Busby Racing | Jim Busby
John Morton
Jochen Mass | Porsche 962 | 175 |
27 DNF | GTP | 15 | John Kalagian Racing | John Kalagian
John Lloyd
Tom Grunnah | March 84G | 170 |
| 28 | GTU | 36 | Case Racing | Ron Case
Dave Panaccione | Porsche 911 | 165 |
| 29 | GTO | 83 | K & P Racing | Karl Keck
William Wessel
Mark Montgomery | Chevrolet Corvette | 158 |
30 DNF | GTP | 43 | De Narvaez Enterprises | Mauricio de Narváez
Dave Cowart
Kenper Miller | Porsche 935 | 157 |
| 31 | GTU | 02 | RNGC Racing | Roy Newsome
Bill McVey
Dale Kreider | Mazda RX-7 | 148 |
32 DNF | GTO | 88 | Schaferacing | Craig Shafer
George Shafer
Joe Maloy | Chevrolet Camaro | 145 |
33 DNF | GTO | 55 | Dave Heinz Imports | Dave Heinz
Jim Trueman
Jerry Thompson | Chevrolet Corvette | 134 |
34 DNF | GTO | 78 | Tokina Zoom Lenses | John Higgins
Chip Mead
James King | Porsche 911 Carrera RSR | 128 |
35 DNF | GTP | 7 | Henn's Swap Shop Racing | Bob Wollek
Don Whittington
Preston Henn | Porsche 935 | 121 |
| 36 | GTO | 85 | Don Nooe | Don Nooe
Jim Stricklin
Tim Stringfellow | Chevrolet Corvette | 118 |
37 DNF | GTU | 42 | Mike Meyer/Daffy | Paul Lewis
Scott Pruett
Joe Varde | Mazda RX-7 | 117 |
38 DNF | GTO | 81 | Ken Bupp | Ken Bupp
Guy Church
E. J. Generotti | Chevrolet Camaro | 116 |
39 DNF | GTU | 76 | Malibu Grand Prix | Jack Baldwin
Jeff Kline | Mazda RX-7 | 114 |
40 DNF | GTP | 1 | Blue Thunder Racing Team | Bill Whittington
Randy Lanier | March 85G | 114 |
41 DNF | GTO | 45 | Pennzoil de P. R. | Luis Gordillo
Rolando Falgueras
Manuel Villa | Porsche 911 Carrera RSR | 111 |
| 42 | GTU | 54 | Zwiren Racing | Steve Zwiren
Mike Tearney
Robert Peters | Mazda RX-7 | 111 |
| 43 | GTO | 25 | Steve Roberts | William Boyer
Steve Roberts
John Barben | Chevrolet Camaro | 109 |
44 DNF | GTP | 01 | Charles Young | Don Bell
Mike Brockman
Tommy Riggins | Argo JM16 | 105 |
45 DNF | GTO | 22 | Walter Johnston | Del Russo Taylor
John Hayes-Harlow
Arvid Albanese | Pontiac Firebird | 101 |
46 DNF | GTU | 75 | Pettit Wholesale | Cameron Worth
Foko Gritzalis | Mazda RX-3 | 91 |
47 DNF | GTP | 29 | DeAtley Racing | Darin Brassfield
Arie Luyendyk
Jerry Brassfield | March 85G | 90 |
48 DNF | GTO | 51 | Mosler Racing | John McComb
Rick Mancuso
Fred Fiala | Ferrari 512 BB | 88 |
49 DNF | GTP | 05 | Robert Whitaker | Robert Whitaker
Ed Crosby
Richard McDill | Chevrolet Camaro | 76 |
50 DNF | GTP | 16 | Marty Hinze Racing | Marty Hinze
Milt Minter
Art Yarosh | Porsche 935 K3 | 70 |
51 DNF | GTP | 26 | Toyota Village | Werner Frank
Dave White
Jerry Kendall | Porsche 935 | 68 |
52 DNF | GTU | 17 | Al Bacon Racing | Al Bacon
Charles Guest
Bobby Akin | Mazda RX-7 | 67 |
53 DNF | GTP | 5 | Bob Akin Motor Racing | Hans-Joachim Stuck
Bob Akin
Jim Mullen | Porsche 962 | 66 |
54 DNF | GTU | 79 | Whitehall Motorsports | Elliot Forbes-Robinson
Tom Winters
Bob Bergstrom | Porsche 924 Carrera GTR | 65 |
55 DNF | GTU | 49 | Conrad Racing | Carlos Munoz
Louis Lopez
Herman Galeano | Porsche 911 | 65 |
56 DNF | GTO | 47 | Dingman Brothers Racing | Walt Bohren
Steve Millen
Billy Dingman | Pontiac Firebird | 63 |
57 DNF | GTU | 74 | Whitehall Promotion | Austin Godsey
Paul Gentilozzi
Kent Hill | Porsche 924 Carrera GTR | 59 |
58 DNF | GTO | 21 | Gopher Motion | William Gelles
Steve Cohen
Don Walker | Ferrari 512 BB | 54 |
59 DNF | GTU | 71 | Team Highball | Amos Johnson
Jack Dunham
Dennis Shaw | Mazda RX-7 | 48 |
60 DNF | GTU | 13 | Rubino Racing | Dennis Wagoner
Ken Knott
Frank Rubino | Mazda RX-7 | 46 |
61 DNF | GTO | 69 | Wonzer Racing | John Hofstra
Charles Slater
Mick Robinson | Porsche 911 Carrera RSR | 45 |
62 DNF | GTU | 08 | Simms-Romano | Drake Olson
Steve Potter
Paul Romano | Mazda RX-7 | 44 |
63 DNF | GTP | 95 | Van Every Racing | Lance Van Every
Ash Tisdelle
Jack Refenning | Porsche 935 | 42 |
64 DNF | GTU | 60 | Tom Hunt | Tom Hunt
James Shelton
Dean Jameson | Mazda RX-3 | 40 |
65 DNF | GTP | 3 | Pegasus Racing | John Paul Jr.
Ken Madren
Wayne Pickering | March 84G | 38 |
66 DNF | GTO | 70 | Ormond Racing Associates | Don Cummings
Craig Rubright
Greg Walker | Chevrolet Corvette | 37 |
67 DNF | GTP | 04 | Group 44 | Brian Redman
Hurley Haywood | Jaguar XJR-5 | 36 |
68 DNF | GTO | 50 | Monty Trainer's Restaurant | Buz McCall
Pancho Carter
Tom Sheehy | Chevrolet Camaro | 34 |
69 DNF | GTP | 4 | Lee Racing | Carson Baird
Terry Labonte
Billy Hagan | Chevrolet Corvette GTP | 27 |
70 DNF | GTO | 92 | OMR Engines | Chris Gennone
Hoyt Overbagh
Fern Prego | Chevrolet Camaro | 27 |
71 DNF | GTP | 12 | Gebhardt Motorsport | George Schwarz
Frank Jelinski
Jan Thoelke | Gebhardt JC853 | 22 |
72 DNF | GTO | 66 | Habersin Camera Shop | Rick Habersin
Art Habersin | Chevrolet Camaro | 22 |
73 DNF | GTO | 48 | Gary Wonzer | Tom Cripe
Gary Wonzer
Bruce Dewey | Porsche 934 | 9 |
74 DNF | GTO | 32 | KJJ Enterprises | John Bossom
Ken Hill
Reagan Riley | Triumph TR8 | 0 |
| DNS | GTP | 0 | Gary Wonzer | Gary Wonzer
Del Russo Taylor | Chevron GTP | 0 |
| DNS | GTP | 6 | Morgan Performance | Charles Morgan
Bill Alsup | Royale RP40 | 0 |
| DNS | GTO | 23 | Raul Garcia | Raul Garcia | Pontiac Firebird | 0 |
| DNS | GTO | 77 | Tortuga Racing | Carlos Munoz
Joe Gonzalez | Chevrolet Camaro | 0 |
| DNS | GTU | 87 | Mosler Racing | George Alderman
Joe Hill
Steve Alexander | Ferrari 308 GTB/GTS | 0 |