| Pos. | Klasse | No. | Team | Coureurs | Chassis | Banden | Ronden |
| Motor |
| 1 | DP | 02 |  Target Chip Ganassi Racing with Felix Sabates |  Scott Dixon
 Dan Wheldon
Casey Mears | Riley Mk. XI | H | 734 |
| Lexus 5.0 L V8 |
| 2 | DP | 60 | Michael Shank Racing |  Oswaldo Negri jr.
Mark Patterson
A.J. Allmendinger
Justin Wilson | Riley Mk. XI | H | 733 |
| Lexus 5.0 L V8 |
| 3 | DP | 23 | Alex Job Racing/Emory Motorsports | Patrick Long
 Mike Rockenfeller
Lucas Luhr | Crawford DP03 | H | 731 |
| Porsche 3.9 L Flat-6 |
| 4 | DP | 58 | Brumos Racing | David Donohue
Darren Law
Sascha Maassen | Fabcar FDSC/03 | H | 730 |
| Porsche 3.9 L Flat-6 |
| 5 | DP | 75 | Krohn Racing | Tracy Krohn
 Niclas Jönsson
Jörg Bergmeister
Colin Braun | Riley Mk. XI | H | 717 |
| Pontiac 5.0 L V8 |
| 6 | DP | 19 | Playboy/Uniden Racing | Memo Gidley
Michael McDowell
Alex Barron | Crawford DP03 | H | 716 |
| Ford 5.0 L V8 |
| 7 | DP | 77 | Feeds the Need/Doran Racing | Forest Barber
Terry Borcheller
 Michel Jourdain Jr.
Harrison Brix | Doran JE4 | H | 703 |
| Ford 5.0 L V8 |
| 8 | DP | 7 | CITGO Racing/SAMAX Motorsport | Dario Franchitti
 Milka Duno
Marino Franchitti
Kevin McGarrity | Riley Mk. XI | H | 695 |
| Pontiac 5.0 L V8 |
| 9 | GT | 36 | TPC Racing | Randy Pobst
Spencer Pumpelly
Michael Levitas
Ian Baas | Porsche 996 GT3 Cup | H | 691 |
| Porsche 3.6 L Flat-6 |
| 10 | GT | 65 | The Racer's Group | Andy Lally
Marc Bunting
R. J. Valentine
Johnny O'Connell | Pontiac GTO.R | H | 688 |
| Pontiac LS2 6.0 L V8 |
| 11 | DP | 28 | Finlay Motorsports | Michael Valiante
Rob Finlay
Bryan Herta
Buddy Rice | Crawford DP03 | H | 684 |
| Ford 5.0 L V8 |
| 12 | GT | 82 | Farnbacher Loles Racing | Dirk Werner
 Dieter Quester
Philipp Peter
 Luca Riccitelli | Porsche 997 GT3 Cup | H | 683 |
| Porsche 3.6 L Flat-6 |
| 13 | GT | 66 | The Racer's Group |  Stéphane Ortelli
Robert Nearn
 Cyrille Sauvage
Steve Johnson | Porsche 997 GT3 Cup | H | 678 |
| Porsche 3.6 L Flat-6 |
| 14 | DP | 16 | Howard-Boss Motorsports | Chris Dyson
Rob Dyson
Oliver Gavin
Guy Smith | Crawford DP03 | H | 675 |
| Pontiac 5.0 L V8 |
| 15 | GT | 83 | Farnbacher Loles Racing | Dominik Farnbacher
Mike Fitzgerald
Pierre Ehret
Marc Basseng | Porsche 997 GT3 Cup | H | 671 |
| Porsche 3.6 L Flat-6 |
| 16 | GT | 72 | Tafel Racing | Wolf Henzler
Robin Liddell
Johannes van Overbeek
Graham Rahal | Porsche 997 GT3 Cup | H | 670 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 39 | Cheever Racing | Christian Fittipaldi
Eddie Cheever
 Patrick Carpentier | Crawford DP03 | H | 669 |
| Lexus 5.0 L V8 |
| 18 | GT | 17 | SAMAX Motorsport | Johnny Mowlem
Lance David Arnold
Bryan Sellers
David Shep
Jan Seyffarth | Porsche 997 GT3 Cup | H | 663 |
| Porsche 3.6 L Flat-6 |
| 19 | GT | 00 | TZ Motorsports | Ronald Zitza
James Thomason jr.
Tim Lewis jr.
Kevin Wheeler | Porsche 996 GT3 Cup | H | 655 |
| Porsche 3.6 L Flat-6 |
| 20 | GT | 41 | Team Sahlen | Wayne Nonnamaker
Joe Nonnamaker
Will Nonnamaker
 Victor Gonzalez jr. | Porsche 996 GT3 Cup | H | 653 |
| Porsche 3.6 L Flat-6 |
| 21 | GT | 22 | Fiorano Racing | Jean-François Dumoulin
Nick Longhi
Emil Assentato
Lonnie Pechnik
Jep Thornton | Porsche 996 GT3 Cup | H | 651 |
| Porsche 3.6 L Flat-6 |
| 22 | DP | 51 | Cheever Racing | Stefan Johansson
Warren Hughes
Thomas Erdos | Crawford DP03 | H | 645 |
| Lexus 5.0 L V8 |
| 23 | GT | 93 | TPC Racing | Tony Ave
Rob Stewart
Dave Stewart
Bob Gilbert
Gary Stewart | Porsche 996 GT3 Cup | H | 636 |
| Porsche 3.6 L Flat-6 |
| 24 | DP | 99 | GAINSCO/Blackhawk Racing | Alex Gurney
Bob Stallings
Jimmy Vasser
Rocky Moran Jr. | Riley Mk. XI | H | 635 |
| Pontiac 5.0 L V8 |
| 25 | GT | 74 | Tafel Racing | Andrew Davis
Charles Espenlaub
Eric Lux
Jim Tafel
Michael Cawley | Porsche 997 GT3 Cup | H | 634 |
| Porsche 3.6 L Flat-6 |
| 26 | GT | 64 | The Racer's Group | Paul Edwards
Kelly Collins
Andy Pilgrim
 Jan Magnussen | Pontiac GTO.R | H | 633 |
| Pontiac LS2 6.0 L V8 |
| 27 | GT | 67 | The Racer's Group | Patrick Flanagan
Bohdan Kroczek
Bill Keith
Marc Bullock | Porsche 996 GT3 Cup | H | 625 |
| Porsche 3.6 L Flat-6 |
| 28 | GT | 46 | Michael Baughman Racing | Ray Mason
Michael Baughman
John Connolly
Frank Del Vecchio
Bryan Collyer | Chevrolet Corvette C5 | H | 623 |
| Chevrolet 7.0 L V8 |
| 29 | DP | 40 | Derhaag Motorsports | Ron Fellows
Randy Ruhlman
Chris Bingham
Justin Bell | Riley Mk. XI | H | 620 |
| Pontiac 5.0 L V8 |
| 30 | DP | 4 | Howard-Boss Motorsports | Andy Wallace
Butch Leitzinger
Tony Stewart | Crawford DP03 | H | 593 |
| Pontiac 5.0 L V8 |
| 31 | GT | 05 | Sigalsport BMW | Bill Auberlen
Matthew Alhadeff
Tommy Milner
Justin Marks
Gene Sigal | BMW M3 E46 | H | 592 |
| BMW 3.2 L I6 |
| 32 | GT | 81 | Synergy Racing | John Pew
Steve Marshall
Hal Prewitt
Danny Marshall
Ben McCrackin | Porsche 996 GT3 Cup | H | 589 |
| Porsche 3.6 L Flat-6 |
| 33 | GT | 06 | Banner Racing | Tommy Archer
Leighton Reese
Russ Oasis
Dino Crescentini | Chevrolet Corvette C6 | H | 589 |
| Chevrolet 7.0 L V8 |
| DNF | DP | 5 | Essex Racing | Duncan Dayton
Rick Knoop
Brian DeVries
Jim Matthews
James Gue | Crawford DP03 | H | 585 |
| Ford 5.0 L V8 |
| DNF | DP | 09 | Spirit of Daytona Racing | Bobby Labonte
Doug Goad
 Harold Primat
Larry Oberto | Crawford DP03 | H | 572 |
| Pontiac 5.0 L V8 |
| DNF | DP | 59 | Brumos Racing | J. C. France
 João Barbosa
Ted Christopher
Hurley Haywood | Fabcar FDSC/03 | H | 559 |
| Porsche 3.9 L Flat-6 |
| 37 | GT | 68 | The Racer's Group | Jim Lowe
Revere Greist
Jim Pace | Porsche 996 GT3 Cup | H | 555 |
| Porsche 3.6 L Flat-6 |
| 38 | DP | 3 | Southard Motorsports | Shane Lewis
Kris Szekeres
Randy LaJoie
Tony Burgess | Riley Mk. XI | H | 548 |
| BMW 5.0 L V8 |
| DNF | DP | 01 | CompUSA Chip Ganassi Racing with Felix Sabates | Scott Pruett
Luis Díaz
Max Papis | Riley Mk. XI | H | 510 |
| Lexus 5.0 L V8 |
| 40 | GT | 87 | Synergy Racing | Dave Gaylord
Wes Hill
Ken Hill
Will Diefenbach | Porsche 997 GT3 Cup | H | 503 |
| Porsche 3.6 L Flat-6 |
| 41 | GT | 43 | Team Sahlen | Wes Allen
Eddie Hennessy
Jim Michaelian
Manuel Matos
Wayne Nonnamaker | Porsche 996 GT3 Cup | H | 435 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 11 | Tuttle Team Racing | Brian Tuttle
Kyle Petty
Boris Said | Riley Mk. XI | H | 415 |
| BMW 5.0 L V8 |
| DNF | DP | 84 | Robinson Racing | Wally Dallenbach jr.
George Robinson
Paul Dallenbach
Darin Brassfield | Riley Mk. XI | H | 413 |
| Pontiac 5.0 L V8 |
| DNF | DP | 89 | Pacific Coast Motorsports | Ryan Dalziel
Jon Fogarty
Alex Figge
David Empringham | Riley Mk. XI | H | 301 |
| Pontiac 5.0 L V8 |
| 45 | GT | 80 | Synergy Racing | David Murry
Leh Keen
Craig Stanton
Xavier Pompidou | Porsche 996 GT3 Cup | H | 299 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 69 | The Racer's Group | Josh Vargo
Jake Vargo
Mark Herrington
Brady Refenning | Porsche 996 GT3 Cup | H | 287 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 70 | SpeedSource | Sylvain Tremblay
David Haskell
Jeff Altenburg
Nick Ham | Mazda RX-8 | H | 284 |
| Mazda 1.3 L RENESIS |
| DNF | GT | 71 | SAMAX Motorsport/Doncaster Racing | Dave Lacey
Brent Martini
Greg Wilkins
Mark Wilkins
Johnny Mowlem | Porsche 997 GT3 Cup | H | 278 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 57 | Stevenson Motorsports | Vic Rice
Tommy Riggins
John Stevenson
Spencer Trenery
Dominic Cicero II | Chevrolet Corvette C6 | H | 278 |
| Chevrolet 7.0 L V8 |
| DNF | DP | 2 | Howard-Boss Motorsports |  Jan Lammers
Danica Patrick
Allan McNish
Rusty Wallace | Crawford DP03 | H | 273 |
| Pontiac 5.0 L V8 |
| DNF | DP | 8 | Synergy Racing | Brian Frisselle
Burt Frisselle
Clint Field
Patrick Huisman | Doran JE4 | H | 206 |
| Porsche 3.9 L Flat-6 |
| DNF | DP | 12 | Lowe's Fernández Racing | Adrián Fernández
Mário Haberfeld
Scott Sharp | Riley Mk. XI | H | 187 |
| Pontiac 5.0 L V8 |
| DNF | GT | 48 | WTF Engineering | Toni Seiler
Robert Dubler
Hans Hauser
Michael DeFontes
Kurt Thiel | Chevrolet Corvette C5 | H | 174 |
| Chevrolet 7.0 L V8 |
| DNF | DP | 6 | Graydon Elliott Fusion Racing with Michael Shank Racing | Paul Tracy
Paul Mears jr.
Mike Borkowski
Ken Wilden | Riley Mk. XI | H | 168 |
| Lexus 5.0 L V8 |
| DNF | GT | 21 | Matt Connolly Motorsports | Gerald Van Uitert
Matt Connolly
Carlos de Quesada
Rick Sutherland
Tom Sutherland | BMW M3 E46 | H | 159 |
| BMW 3.2 L I6 |
| DNF | DP | 78 | Doran Racing | B. J. Zacharias
Sébastien Bourdais
Raul Boesel | Doran JE4 | H | 156 |
| Ford 5.0 L V8 |
| DNF | DP | 10 | SunTrust Racing |  Wayne Taylor
Emmanuel Collard
Max Angelelli
 Ryan Briscoe | Riley Mk. XI | H | 123 |
| Pontiac 5.0 L V8 |
| DNF | GT | 52 | Mastercar | Constantino Bertuzzi
 Luis Monzón
Bo McCormick
Philipp Baron | Ferrari 360 Modena Challenge | H | 118 |
| Ferrari 3.6 L V8 |
| DNF | GT | 15 | Autometrics Motorsports | Cory Friedman
Patrick Small
Mac McGehee
Bill Martin
Tony Herring | Porsche 996 GT3 Cup | H | 104 |
| Porsche 3.6 L Flat-6 |
| DNF | GT | 55 | ASC Motorsports | Zach Arnold
John Miller
Eric Koselke
Jay Poscente
Mark Montgomery | Chevrolet Corvette C6 | H | 103 |
| Chevrolet 7.0 L V8 |
| DNF | GT | 24 | Matt Connolly Motorsports | Brian O'Shaughnessy
Bill Cotter
Tom Malloy
Jacob Shalit
Billy Johnson | BMW M3 E46 | H | 101 |
| BMW 3.2 L I6 |
| DNF | GT | 63 | Team Spencer Motorsports | Dennis Spencer
Scott Spencer
Roger Mandeville
Rich Grupp
Gary Drummond | Mazda RX-8 | H | 101 |
| Mazda 1.3 L RENESIS |
| DNF | GT | 08 | Goldin Brothers Racing | Steve Goldin
Keith Goldin
Scott Finlay
Scott Richards
Kurt Thiel | Mazda RX-8 | H | 48 |
| Mazda 1.3 L RENESIS |
| DNF | GT | 04 | Sigalsport BMW | Gene Sigal
Peter MacLeod
 Miroslav Konôpka
Blake Rosser | BMW M3 E46 | H | 34 |
| BMW 3.2 L I6 |
| DNF | GT | 86 | Synergy Racing | Don Kitch jr.
Chris Pennington
Don Gagne
Chris Pallis | Porsche 997 GT3 Cup | H | 17 |
| Porsche 3.6 L Flat-6 |
| DNF | DP | 50 | Blackforest Motorsports | Henry Zogaib
Ian James
Tom Nastasi
Chris Gleason | Crawford DP03 | H | 5 |
| Ford 5.0 L V8 |
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