| Pos. | Klasse | No. | Team | Coureurs | Chassis | Banden | Ronden |
| Motor |
| 1 | DP | 10 |  SunTrust Racing |  Max Angelelli
 Wayne Taylor
 Emmanuel Collard | Riley Mk. XI | H | 710 |
| Pontiac 5.0 L V8 |
| 2 | DP | 4 | Howard-Boss Motorsports | Butch Leitzinger
Elliott Forbes-Robinson
Jimmie Johnson | Crawford DP03 | H | 699 |
| Pontiac 5.0 L V8 |
| 3 | DP | 20 | Howard-Boss Motorsports |  Andy Wallace
 Jan Lammers
Tony Stewart | Crawford DP03 | H | 699 |
| Pontiac 5.0 L V8 |
| 4 | DP | 02 | New Century Mortgage Chip Ganassi Racing with Felix Sabates |  Stefan Johansson
Cort Wagner
Jamie McMurray | Riley Mk. XI | H | 698 |
| Lexus 4.3 L V8 |
| 5 | DP | 77 | Doran Racing | Fabrizio Gollin
Matteo Bobbi
 Didier Theys | Doran JE4 | H | 697 |
| Lexus 4.3 L V8 |
| 6 | DP | 03 | Target Chip Ganassi Racing with Felix Sabates |  Scott Dixon
Casey Mears
Darren Manning | Riley Mk. XI | H | 694 |
| Lexus 4.3 L V8 |
| 7 | DP | 01 | CompUSA Chip Ganassi Racing with Felix Sabates | Scott Pruett
 Luis Díaz
 Ryan Briscoe | Riley Mk. XI | H | 688 |
| Lexus 4.3 L V8 |
| 8 | DP | 58 | Brumos Racing | David Donohue
Darren Law
 Lucas Luhr
Sascha Maassen | Fabcar FDSC/03 | H | 680 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 44 | Doran Racing |  Jan Magnussen
Terry Labonte
Bobby Labonte
Bryan Herta | Doran JE4 | H | 675 |
| Pontiac 5.0 L V8 |
| 10 | GT | 71 | Farnbacher Racing USA | Wolf Henzler
Dominik Farnbacher
Pierre Ehret
Shawn Price | Porsche 996 GT3 Cup | H | 664 |
| Porsche 3.6 L Flat-6 |
| 11 | GT | 37 | TPC Racing | Mike Fitzgerald
 Manuel Matos
Emil Assentato
Nick Longhi | Porsche 996 GT3 Cup | H | 661 |
| Porsche 3.6 L Flat-6 |
| 12 | GT | 61 | The Racer's Group | Robert Nearn
 Mark Wilkins
Dave Lacey
David Shep
Greg Wilkins | Porsche 996 GT3 Cup | H | 659 |
| Porsche 3.6 L Flat-6 |
| 13 | GT | 73 | Baldwin-Tafel Racing | Robin Liddell
Jack Baldwin
Craig Stanton
Jim Tafel
Andrew Davis | Porsche 996 GT3 Cup | H | 659 |
| Porsche 3.6 L Flat-6 |
| 14 | GT | 65 | The Racer's Group | Andy Lally
Marc Bunting
Hugh Plumb
Carlos de Quesada
Kevin Buckler | Porsche 996 GT3 Cup | H | 656 |
| Porsche 3.6 L Flat-6 |
| 15 | GT | 14 | Autometrics Motorsports | Leh Keen
Cory Friedman
Al Bacon
Steve Johnson | Porsche 996 GT3 Cup | H | 654 |
| Porsche 3.6 L Flat-6 |
| 16 | DP | 66 | Krohn Racing/The Racer's Group | Max Papis
Jörg Bergmeister
Oliver Gavin | Riley Mk. XI | H | 653 |
| Pontiac 5.0 L V8 |
| 17 | GT | 16 | The Racer's Group | Ross Bentley
Colin Braun
Adrian Carrio
Brad Coleman
Kevin Buckler | Porsche 996 GT3 Cup | H | 650 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 67 | Krohn Racing/The Racer's Group | Niclas Jönsson
Tracy Krohn
Buddy Rice
Boris Said
Jimmy Morales | Riley Mk. XI | H | 642 |
| Pontiac 5.0 L V8 |
| 19 | DP | 74 | Robinson Racing | Wally Dallenbach jr.
Paul Dallenbach
George Robinson
Johnny Unser | Riley Mk. XI | H | 641 |
| Lexus 4.3 L V8 |
| 20 | GT | 63 | The Racer's Group | Dave Master
Patrick Flanigan
Marc Sluszny
Derek Clark | Porsche 996 GT3 Cup | H | 639 |
| Porsche 3.6 L Flat-6 |
| 21 | GT | 43 | Team Sahlen | Ronald Zitza
Bradley Blum
Eric Lux
Wes Allen
Victor Gonzalez jr. | Porsche 996 GT3 Cup | H | 637 |
| Porsche 3.6 L Flat-6 |
| 22 | DP | 5 | Essex Racing | Chris Dyson
Harrison Brix
Rob Dyson
James Gue | Crawford DP03 | H | 630 |
| Ford 5.0 L V8 |
| 23 | DP | 3 | Cegwa Sport/Southard Motorsports |  Darius Grala
Mark Patterson
Quentin Wahl
Bohdan Kroczek
Shane Lewis | Fabcar FDSC/03 | H | 630 |
| Lexus 4.3 L V8 |
| 24 | GT | 52 | Mastercar | Luca Drudi
Gabrio Rosa
 Luis Monzón
María de Villota | Ferrari 360 Modena Challenge | H | 627 |
| Ferrari 3.6 L V8 |
| 25 | GT | 11 | JMB Racing | Matt Plumb
David Gooding
Peter Boss
Jim Michaelian | Ferrari 360 Modena Challenge | H | 623 |
| Ferrari 3.6 L V8 |
| 26 | GT | 04 | Sigalsport | Gene Sigal
 Miroslav Konôpka
Troy Hanson
 Nikolas Konstant
Jay Wilton | Porsche 996 GT3 Cup | H | 599 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 49 | Multimatic Motorsports | Scott Maxwell
Kurt Busch
Matt Kenseth
Greg Biffle | Multimatic MDP1 | H | 588 |
| Ford 5.0 L V8 |
| 28 | GT | 75 | Flying Lizard Motorsports | Lonnie Pechnik
Seth Neiman
Johannes van Overbeek
Patrick Long
Jon Fogarty | Porsche 996 GT3 Cup | H | 582 |
| Porsche 3.6 L Flat-6 |
| 29 | GT | 80 | Team Seattle/Synergy Racing | Don Kitch jr.
Don Gagne
Don Pickering
Chris Pallis | Porsche 996 GT3 Cup | H | 582 |
| Porsche 3.6 L Flat-6 |
| 30 | GT | 78 | Farnbacher Racing USA | Paul Bonham
Bruce Phillips
Paul Orwicz
Ray Williams
Paul Fairchild | Porsche 996 GT3 Cup | H | 581 |
| Porsche 3.6 L Flat-6 |
| 31 | GT | 53 | Mastercar | Roberto Ragazzi
Jesús Diez de Villarroel
Giuseppe Chiminelli
Constantino Bertuzzi | Ferrari 360 Modena Challenge | H | 553 |
| Ferrari 3.6 L V8 |
| 32 | GT | 41 | Team Sahlen | Wayne Nonnamaker
Joe Nonnamaker
Will Nonnamaker
James Jakes | Porsche 996 GT3 Cup | H | 544 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 2 | Howard-Boss Motorsports | Dario Franchitti
 Milka Duno
Marino Franchitti
Dan Wheldon | Crawford DP03 | H | 528 |
| Pontiac 5.0 L V8 |
| DNF | DP | 8 | Synergy Racing | Brian Frisselle
 Thomas Erdos
Burt Frisselle
Mike Newton | Doran JE4 | H | 523 |
| BMW 4.3 L V8 |
| 35 | GT | 55 | ASC Motorsports | Zach Arnold
Kurt Thiel
John Stevenson
Ken MacAlpine
Scott Turner | Chevrolet Corvette | H | 507 |
| Chevrolet 5.7 L V8 |
| DNF | GT | 36 | TPC Racing | Randy Pobst
Spencer Pumpelly
Jean-François Dumoulin
Michael Levitas
John Littlechild | Porsche 996 GT3 Cup | H | 495 |
| Porsche 3.6 L Flat-6 |
| 37 | DP | 9 | Hyper Sport | B. J. Zacharias
David Donner
Joe Foster
Rick Skelton
Blake Rosser | Doran JE4 | H | 493 |
| Infiniti 4.3 L V8 |
| DNF | GT | 06 | Bernheim Porsche Racing | Dwain Derment
Jack Lewis
Anders Hainer
Kevin Roush
Steven Bernheim | Porsche 996 GT3 Cup | H | 488 |
| Porsche 3.6 L Flat-6 |
| 39 | GT | 81 | Team Seattle/Synergy Racing | Dave Gaylord
Mae Van Wijk
David Murry
Rod Emory | Porsche 996 GT3 Cup | H | 477 |
| Porsche 3.6 L Flat-6 |
| 40 | GT | 23 | Horizon Motorsports LLC | Charles Espenlaub
Kris Szekeres
Todd Hanson
Al Villamil
Frank Del Vecchio | Pontiac GTO | H | 476 |
| Pontiac 5.7 L V8 |
| 41 | GT | 62 | The Racer's Group |  Takashi Inoue
Akria Fujita
Hiroshi Wada
Akira Hirakawa
Kiichi Takahashi | Porsche 996 GT3 Cup | H | 468 |
| Porsche 3.6 L Flat-6 |
| 42 | DP | 19 | Ten Motorsports | Memo Gidley
Michael McDowell
Michael Valiante
Jonathan Bomarito | Riley Mk. XI | H | 465 |
| BMW 5.0 L V8 |
| DNF | DP | 29 | Brumos Racing | Josh Vargo
Jake Vargo
Tim Vargo
Brady Refenning | Fabcar FDSC/03 | H | 463 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 59 | Brumos Racing | J. C. France
Hurley Haywood
Timo Bernhard
Mike Rockenfeller
Romain Dumas | Fabcar FDSC/03 | H | 432 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 51 | Red Bull Ebimotors |  Karl Wendlinger
Dieter Quester
Johnny Mowlem
Vincent Vosse | Porsche 996 GT3 Cup | H | 409 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 6 | Michael Shank Racing | Mike Borkowski
Paul Mears jr.
Larry Connor
Duncan Dayton | Riley Mk. XI | H | 399 |
| Pontiac 5.0 L V8 |
| 47 | GT | 85 | Condor Motorsports | Grant Phipps
Mike Hardage
Eddie Nahir
Don Mayer
Armando Trentini | Porsche 996 GT3 Cup | H | 355 |
| Porsche 3.6 L Flat-6 |
| 48 | GT | 08 | Goldin Brothers Racing | Keith Goldin
Scott Finlay
Steve Goldin
Martin Shuster | Mazda RX-8 | H | 336 |
| Mazda 1.3 L 3-Rotar RENESIS |
| DNF | DP | 54 | Kodak-Bell Motorsports | Christian Fittipaldi
Paul Tracy
Terry Borcheller
Ralf Kelleners
Forest Barber | Doran JE4 | H | 328 |
| Pontiac 5.0 L V8 |
| DNF | DP | 18 | Chase Competition Engineering/CB Motorsports | John Miller
Chris Bingham
Steven Ivankovich
Tony Burgess
Vic Rice | Chase CCE-001 | H | 297 |
| Pontiac 5.0 L V8 |
| DNF | DP | 79 | Newman/Haas Racing/Silverstone Racing | Cristiano da Matta
Sébastien Bourdais
Paul Newman
Mike Brockman | Crawford DP03 | H | 290 |
| Ford 5.0 L V8 |
| DNF | GT | 64 | The Racer's Group |  Pedro Courceiro
Cyrille Sauvage
Miguel Amaral
Joe Policastro
Joe Policastro jr. | Porsche 996 GT3 Cup | H | 276 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 00 | Aussie Assault | Craig Baird
Paul Morris
Marcos Ambrose
John Teulan | Porsche 996 GT3 Cup | H | 271 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 39 | Orbit Racing | Marc Goossens
Guy Smith
Scott Sharp
Jim Matthews | Riley Mk. XI | H | 239 |
| Pontiac 5.0 L V8 |
| DNF | DP | 50 | Blackforest Motorsports | Jeff Bucknum
Tom Nastasi
Henry Zogaib
Doug Peterson
Travis Duder | Multimatic MDP1 | H | 223 |
| Ford 5.0 L V8 |
| DNF | GT | 48 | Xtreme Racing Group |  Toni Seiler
Hans Hauser
Anthony Puelo
Robert Dubler | Chevrolet Corvette | H | 218 |
| Chevrolet 5.7 L V8 |
| DNF | GT | 21 | Prototype Technology Group, Inc. | Bill Auberlen
Joey Hand
Ian James
Chris Gleason | BMW M3 E46 | H | 199 |
| BMW 3.2 L I6 |
| DNF | DP | 09 | Spirit of Daytona Racing | Doug Goad
Stéphane Grégoire
Roberto Moreno
Bob Ward | Crawford DP03 | H | 194 |
| Pontiac 5.0 L V8 |
| DNF | GT | 22 | Prototype Technology Group, Inc. | Justin Marks
Tommy Milner
Kelly Collins
R. J. Valentine | BMW M3 E46 | H | 168 |
| BMW 3.2 L I6 |
| DNF | DP | 86 | Synergy Racing | Peyton Sellers
Arthur Urciuoli
Jason Workman
Steve Marshall | Picchio DP2 | H | 134 |
| BMW 5.0 L V8 |
| DNF | GT | 93 | TPC Racing | Guy Cosmo
Dave Stewart
Rob Stewart
Gary Stewart
Bob Gilbert | Porsche 996 GT3 Cup | H | 85 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 46 | Michael Baughman Racing | Michael Baughman
Mike Yeakle | Chevrolet Corvette | H | 20 |
| Chevrolet 5.7 L V8 |
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