| 1st | 01 | Scott Pruett / Luis Diaz / Ryan Briscoe | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:46.9280 |
| 2nd | 10 | Max Angelelli / Wayne Taylor / Emmanuel Collard | Riley Mk XI Pontiac | SunTrust Racing | 1:46.9450 |
| 3rd | 66 | Max Papis / Jörg Bergmeister / Oliver Gavin | Riley Mk XI Pontiac | Krohn Racing/TRG | 1:47.1660 |
| 4th | 02 | Stefan Johansson / Cort Wagner / Jamie McMurray | Riley Mk XI Lexus | New Century Mtg/Chip Ganassi w/Sabates | 1:47.2600 |
| 5th | 03 | Scott Dixon / Casey Mears / Darren Manning | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:47.4800 |
| 6th | 20 | Andy Wallace / Jan Lammers / Tony Stewart | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:47.5280 |
| 7th | 44 | Jan Magnussen / Terry Labonte / Bobby Labonte / Bryan Herta | Doran JE4 Pontiac | Doran Racing | 1:47.6460 |
| 8th | 4 | Butch Leitzinger / Elliot Forbes-Robinson / Jimmie Johnson | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:47.8770 |
| 9th | 39 | Marc Goossens / Guy Smith / Scott Sharp / Jim Matthews | Riley Mk XI Pontiac | Orbit Racing | 1:47.9680 |
| 10th | 77 | Fabrizio Gollin / Matteo Bobbi / Didier Theys | Doran JE4 Lexus | Doran Racing | 1:48.0220 |
| 11th | 19 | Memo Gidley / Michael McDowell / Michael Valiante / Jonathan Bomarito | Riley Mk XI BMW | Ten Motorsports | 1:48.1930 |
| 12th | 6 | Mike Borkowski / Paul Mears, Jr. / Larry Connor / Duncan Dayton | Riley Mk XI Pontiac | Michael Shank Racing | 1:48.2610 |
| 13th | 79 | Cristiano da Matta / Sébastien Bourdais / Paul Newman / Mike Brockman | Crawford DP03 Ford | Newman Racing/Silverstone Racing | 1:48.4660 |
| 14th | 58 | David Donohue / Darren Law / Lucas Luhr / Sascha Maassen | Fabcar FDSC/03 Porsche | Red Bull/Brumos Racing | 1:49.3240 |
| 15th | 54 | Christian Fittipaldi / Paul Tracy / Terry Borcheller / Ralf Kelleners / *Forest Barber | Doran JE4 Pontiac | Kodak - Bell Motorsports | 1:49.3660 |
| 16th | 49 | Scott Maxwell / Kurt Busch / Matt Kenseth / Greg Biffle | Multimatic MDP1 Ford Focus | Multimatic Motorsports | 1:49.4580 |
| 17th | 5 | Chris Dyson / Harrison Brix / Rob Dyson / James Gue | Crawford DP03 Ford | Essex Racing | 1:49.8070 |
| 18th | 2 | Dario Franchitti / Milka Duno / Marino Franchitti / Dan Wheldon | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:50.0380 |
| 19th | 09 | Doug Goad / Stéphane Grégoire / Roberto Moreno / Bob Ward | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:50.1100 |
| 20th | 8 | Brian Frisselle / Thomas Erdos / Burt Frisselle / Mike Newton | Doran JE4 BMW | Rx.com/Synergy Racing | 1:50.3340 |
| 21st | 50 | Jeff Bucknum / Tom Nastasi / Henry Zogaib / Doug Peterson / Travis Duder | Multimatic MDP1 Ford Focus | Blackforest Motorsports | 1:50.4660 |
| 22nd | 74 | Wally Dallenbach, Jr. / Paul Dallenbach / George Robinson / Johnny Unser | Riley Mk XI Lexus | Robinson Racing | 1:50.6640 |
| 23rd | 29 | Josh Vargo / Jake Vargo / Tim Vargo / Brady Refenning | Fabcar FDSC/03 Porsche | Brumos Racing | 1:51.9760 |
| 24th | 3 | Darius Grala / Mark Patterson / Quentin Wahl / Bohdan Kroczek / Shane Lewis | Fabcar FDSC/03 Lexus | Cegwa Sport/Southard Motorsports | 1:55.3580 |
| 25th | 18 | John Miller / Chris Bingham / Steven Ivankovich / Tony Burgess / *Vic Rice | Chase CCE-001 Pontiac | Chase Competition Eng/CB Motorsports | 1:55.6630 |
| 26th | 71 | Wolf Henzler / Dominik Farnbacher / Pierre Ehret / Shawn Price | Porsche 996 GT3 Cup | Farnbacher Racing USA | 1:55.9580 |
| 27th | 36 | Randy Pobst / Spencer Pumpelly / Jean-Francois Dumoulin / Michael Levitas / John Littlechild | Porsche 996 GT3 Cup | TPC Racing | 1:56.4740 |
| 28th | 65 | Andy Lally / Marc Bunting / Hugh Plumb / Carlos de Quesada / Kevin Buckler | Porsche 996 GT3 Cup | Auto Gallery/TRG | 1:56.5670 |
| 29th | 75 | Lonnie Pechnik / Seth Neiman / Johannes Van Overbeek / *Jon Fogarty / *Patrick Long | Porsche 996 GT3 Cup | Flying Lizard Motorsports | 1:57.1100 |
| 30th | 73 | Robin Liddell / Jack Baldwin / Craig Stanton / Jim Tafel / Andrew Davis | Porsche 996 GT3 Cup | Baldwin-Tafel Racing | 1:57.2980 |
| 31st | 51 | Karl Wendlinger / Johnny Mowlem / Vincent Vosse / Dieter Quester | Porsche 996 GT3 Cup | Red Bull Ebimotors | 1:57.9160 |
| 32nd | 61 | Robert Nearn / Mark Wilkins / David Lacey / David Shep / Greg Wilkins | Porsche 996 GT3 Cup | TRG East | 1:57.9190 |
| 33rd | 93 | Guy Cosmo / Dave Stewart / *Rob Stewart / *Gary Stewart / *Bob Gilbert | Porsche 996 GT3 Cup | TPC Racing | 1:57.9460 |
| 34th | 21 | Bill Auberlen / Joey Hand / Ian James / Chris Gleason | BMW M3 E46 | Prototype Technology Group | 1:58.1660 |
| 35th | 64 | Pedro Couceiro / Joe Policastro, Jr. / Cyrille Sauvage / Miguel Amaral / Joe Policastro | Porsche 996 GT3 Cup | Auto Gallery/TRG | 1:58.3130 |
| 36th | 00 | Craig Baird / Paul Morris / Marcus Ambrose / John Teulan | Porsche 996 GT3 Cup | Aussie Assault | 1:58.3200 |
| 37th | 14 | Leh Keen / Cory Friedman / Al Bacon / Steve Johnson | Porsche 996 GT3 Cup | Autometrics Motorsports | 1:58.5210 |
| 38th | 16 | Ross Bentley / Colin Braun / Adrian Carrio / Brad Coleman / Kevin Buckler | Porsche 996 GT3 Cup | TRG | 1:58.5800 |
| 39th | 37 | Mike Fitzgerald / Manuel Matos / Emil Assentato / *Nick Longhi | Porsche 996 GT3 Cup | TPC Racing | 1:58.8530 |
| 40th | 22 | Justin Marks / Tommy Milner / Kelly Collins / Richard Valentine | BMW M3 E46 | Prototype Technology Group | 1:58.9140 |
| 41st | 04 | Gene Sigal / Miro Konôpka / Troy Hanson / Nikolas Konstant / Jay Wilton | Porsche 996 GT3 Cup | Sigalsport | 1:59.5610 |
| 42nd | 86 | Peyton Sellers / Arthur Urciuoli / Jason Workman / Steve Marshall | Picchio DP2 BMW | Synergy Racing | 1:59.5870 |
| 43rd | 23 | Charles Espenlaub / Kris Szekeres / Todd Hanson / Al Villamil / Frank Del Vecchio | Pontiac GTO | Horizon Motorsports LLC | 1:59.8160 |
| 44th | 81 | Dave Gaylord / Mae Van Wijk / David Murry / Rod Emory | Porsche 996 GT3 Cup | Team Seattle/Synergy Racing | 1:59.8520 |
| 45th | 63 | Dave Master / Patrick Flanagan / Marc Sluszny / Derek Clark | Porsche 996 GT3 Cup | Auto Gallery/TRG | 2:00.2580 |
| 46th | 62 | Takashi Inoue / Akira Fujita / Hiroshi Wada / Akira Hirakawa / Kiichi Takahashi | Porsche 996 GT3 Cup | Auto Gallery/TRG | 2:00.9240 |
| 47th | 53 | Roberto Ragazzi / Jesús Diez de Villarroel / Giuseppe Chiminelli / Constantino Bertuzzi | Ferrari 360 Modena Challenge | Mastercar | 2:02.6040 |
| 48th | 52 | Luca Drudi / Gabrio Rosa / Luis Monzón / María de Villota | Ferrari 360 Modena Challenge | Mastercar | 2:02.8990 |
| 49th | 78 | Paul Bonham / Bruce Phillips / Paul Orwicz / Ray Williams / Paul Fairchild | Porsche 996 GT3 Cup | Farnbacher Racing USA | 2:03.7190 |
| 50th | 85 | Grant Phipps / Mike Hardage / Eddie Nahir / Don Mayer / Armando Trentini | Porsche 996 GT3 Cup | Condor Motorsports | 2:05.0410 |
| 51st | 80 | Don Kitch / Don Gagne / Don Pickering / Chris Pallis | Porsche 996 GT3 Cup | Team Seattle/Synergy Racing | 2:05.2410 |
| 52nd | 08 | Keith Goldin / Scott Finlay / Steve Goldin / Martin Shuster | Mazda RX-8 | Goldin Brothers Racing | 2:07.1880 |
| 53rd | 41 | Wayne Nonnamaker / Joe Nonnamaker / Will Nonnamaker / James Jakes | Porsche 996 GT3 Cup | Team Sahlen | 2:19.8370 |
| 54th | 06 | Dwain Derment / Jack Lewis / Anders Hainer / Kevin Roush / Steven Bernheim | Porsche 996 GT3 Cup | Bernheim Porsche Racing | no time |
| 55th | 9 | B. J. Zacharias / David Donner / Joe Foster / Rick Skelton / Blake Rosser | Doran JE4 Infiniti | Hyper Sport | no time |
| 56th | 11 | Matt Plumb / David Gooding / Peter Boss / Jim Michaelian | Ferrari 360 Modena Challenge | JMB Racing USA | no time |
| 57th | 43 | Ron Zitza / Brad Blum / Eric Lux / Wes Allen / Victor Gonzalez, Jr. | Porsche 996 GT3 Cup | Team Sahlen | no time |
| 58th | 48 | Toni Seiler / Hans Hauser / Anthony Puleo / Robert Dubler | Chevrolet Corvette | Xtreme Racing Group | |
| 59th | 55 | Zach Arnold / Kurt Thiel / John Stevenson / Ken MacAlpine / Scott Turner | Chevrolet Corvette | ASC Motorsports | no time |
| 60th | 59 | J. C. France / Hurley Haywood / Timo Bernhard / Mike Rockenfeller / Romain Dumas | Fabcar FDSC/03 Porsche | Brumos Racing | no time |
| 61st | 67 | Niclas Jönsson / Tracy Krohn / Buddy Rice / Boris Said / Jimmy Morales | Riley Mk XI Pontiac | Krohn Racing/TRG | |
| 62nd | 46 | Michael Baughman / Mike Yeakle | Chevrolet Corvette | Michael Baughman Racing | no time |