| 1st | 01 | Scott Pruett / Max Papis / Scott Dixon / Jimmy Morales | Riley Mk XI Lexus | CGR Grand Am | 1:45.7830 | 194.9785 |
| 2nd | 10 | Max Angelelli / Wayne Taylor / Emmanuel Collard | Riley Mk XI Pontiac | SunTrust Racing | 1:46.0950 | 194.4039 |
| 3rd | 54 | Andy Pilgrim / Terry Borcheller / Christian Fittipaldi / Forest Barber | Doran JE4 Pontiac | Bell Motorsports | 1:46.2830 | 194.0611 |
| 4th | 2 | Andy Wallace / Dale Earnhardt, Jr. / Tony Stewart | Crawford DP03 Chevrolet | Howard - Boss Motorsports | 1:46.3760 | 193.8905 |
| 5th | 58 | David Donohue / Darren Law / Lucas Luhr / Sascha Maassen | Fabcar FDSC/03 Porsche | Red Bull - Brumos Porsche | 1:46.4410 | 193.7731 |
| 6th | 4 | Butch Leitzinger / Elliot Forbes-Robinson / Jimmie Johnson / David Brule | Crawford DP03 Chevrolet | Howard - Boss Motorsports | 1:47.7800 | 191.3655 |
| 7th | 6 | Kelly Collins / Thomas Erdos / Cort Wagner / Mike Newton | Doran JE4 Lexus | Michael Shank Racing | 1:48.2280 | 190.5737 |
| 8th | 09 | Doug Goad / Robby Gordon / Milka Duno / Stéphane Grégoire | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:48.6430 | 189.8447 |
| 9th | 59 | J. C. France / Hurley Haywood / Scott Sharp / Tommy Riggins | Fabcar FDSC/03 Porsche | Brumos Racing | 1:48.6620 | 189.8125 |
| 10th | 7 | Shane Lewis / George Robinson / Jack Baldwin / Vic Rice / Stephen Southard | Fabcar FDSC/03 BMW | Southard Motorsports | 1:48.8790 | 189.4343 |
| 11th | 70 | Sylvain Tremblay / Selby Wellman / Chris Hall / Larry Huang | Multimatic MDP1 Ford Focus | SpeedSource | 1:49.2400 | 188.8082 |
| 12th | 5 | Scott Maxwell / Joe Pruskowski / Justin Pruskowski / Ross Bentley | Multimatic MDP1 Ford Focus | Essex Racing | 1:49.5020 | 188.3560 |
| 13th | 9 | Mike Borkowski / Paul Mears, Jr. / Arie Luyendyk, Jr. / Nick Ham / Justin Bell | Multimatic MDP1 Ford Focus | Mears Motorcoach/SpeedSource | 1:50.3040 | 186.9865 |
| 14th | 45 | Gunnar Jeannette / Mike Brockman / Paul Newman / Kyle Petty | Fabcar FDSC/03 Porsche | Gunnar Racing | 1:50.4190 | 186.7917 |
| 15th | 80 | Hugo Guenette / Jason Workman / Steve Marshall / Danny Marshall | Picchio DP2 BMW | G&W Motorsports | 1:51.9200 | 184.2860 |
| 16th | 74 | Lonnie Pechnik / Seth Neiman / Johannes Van Overbeek / Peter Cunningham / Mike Rockenfeller | Porsche 996 GT3 Cup | Flying Lizard Motorsports | 1:53.3570 | 181.9508 |
| 17th | 15 | Dave Gaylord / Don Kitch / John Olsen / Tom Hessert, III | Multimatic MDP1 Ford Focus | Essex Racing | 1:54.4860 | 180.1564 |
| 18th | 75 | Seth Neiman / Lonnie Pechnik / Johannes Van Overbeek / Peter Cunningham / Mike Rockenfeller | Porsche 996 GT3-RS | Flying Lizard Motorsports | 1:55.2920 | 178.8963 |
| 19th | 21 | Bill Auberlen / Niclas Jönsson / Joey Hand | BMW M3 E46 | Prototype Technology Group | 1:55.6450 | 178.3507 |
| 20th | 57 | Chip Vance / Piers Masarati / John Stevenson / John Buttermore | Porsche 996 GT3-R | Stevenson Motorsports/Auto Assets | 1:55.7640 | 178.1673 |
| 21st | 88 | Pedro Couceiro / Miguel Amaral / Manuel Gião | Porsche 996 GT3-RS | ASM Team | 1:56.0880 | 177.6700 |
| 22nd | 56 | Tony Burgess / Philip Collin / Peter van Merksteijn / Gabrio Rosa / Fabio Rosa | Porsche 996 GT3-RS | Seikel Motor Sport | 1:56.1220 | 177.6185 |
| 23rd | 24 | Tom Bambard / Pete Halsmer / John Heinricy / Jeff Nowicki | Chevrolet Corvette C5 | Specter Werks/Sports | 1:56.3560 | 177.2612 |
| 24th | 22 | Niclas Jönsson / Boris Said / Joey Hand / Justin Marks / Bill Auberlen | BMW M3 E46 | Prototype Technology Group | 1:56.6380 | 176.8315 |
| 25th | 83 | Rob Wilson / Frank Mountain / Martyn Konig | Porsche 996 GT3-RS | Cirtek Motorsport | 1:57.0340 | 176.2344 |
| 26th | 33 | Fabrizio de Simone / Stephen Earle / Emil Assentato / Nick Longhi | Maserati Trofeo Light | Scuderia Ferrari of Washington | 1:57.3210 | 175.8031 |
| 27th | 93 | Luca Drudi / Ferdinando Monfardini / Matteo Meneghello / Joe Colasacco / Ross Fonferko | Ferrari 360 Modena Challenge | Mastercar | 1:57.3850 | 175.7066 |
| 28th | 72 | Jack Lewis / Tom McGlynn / Manuel Matos / Edison Lluch | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 1:57.4370 | 175.6293 |
| 29th | 38 | Randy Pobst / Andy Lally / John Littlechild / Marc Bunting / Michael Levitas | Porsche 996 GT3 Cup | TPC Racing | 1:57.5170 | 175.5102 |
| 30th | 63 | Hugh Plumb / Michael Lewis / Kim Wolfkill / Geoff Escalette | Porsche 996 GT3 Cup | Glenn Yee Motorsports | 1:58.7850 | 173.6353 |
| 31st | 27 | Didier Theys / Marc Goossens / Jan Lammers / Fredy Lienhard | Doran JE4 Lexus | Doran Lista Racing | 1:47.7510 | 191.4170 |
| 32nd | 44 | Mike Fitzgerald / Robin Liddell / Johnny Mowlem / Joe Policastro / Joe Policastro, Jr. | Porsche 996 GT3-RS | Orbit Racing | 1:53.5430 | 181.6531 |
| 33rd | 66 | Kevin Buckler / Timo Bernhard / Patrick Long / Jörg Bergmeister | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 1:53.5430 | |
| 34th | 68 | Ian James / Chris Gleason / Richard Valentine / Bohdan Kroczek / Abraham Zimroth | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 1:53.6600 | 181.4648 |
| 35th | 67 | Robert Nearn / Pierre Ehret / Jim Matthews / Lars Nielsen / Cyrille Sauvage | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 1:54.2680 | 180.4992 |
| 36th | 73 | Philipp Peter / Andrea Montermini / Klaus Engelhorn / Dieter Quester | Ferrari 360 Modena N-GT | Red Bull BE Racing | 1:54.6290 | 179.9311 |
| 37th | 11 | Iradj Alexander / Diego Alessi | Ferrari 360 Modena N-GT | JMB Racing USA | 1:54.9630 | 179.4081 |
| 38th | 60 | Anthony Puleo / Robert Dubler / Squeak Kennedy / Joe Evans | Chevrolet Corvette | Xtreme Racing Group | 1:56.6490 | 176.8154 |
| 39th | 30 | Anthony Lazzaro / Ralf Kelleners / Matteo Bobbi | Maserati Light GT | Risi Competizione | 1:56.8820 | |
| 40th | 13 | Andrew Davis / Michael Cawley / Charles Espenlaub / Joe Foster | Porsche 996 GT3 Cup | Foxhill Racing | 1:57.0250 | 176.2473 |
| 41st | 97 | Robert Orcutt / Kurt Thiel / Ken Dobson / Paul Jenkins | Porsche 996 GT3-R | Graham Nash Motorsport | 1:57.1140 | 176.1137 |
| 42nd | 98 | Ron Zitza / Bill Riddell / Hartmut Von Seelen / Carlos de Quesada / Marc Feinstein | Porsche 996 GT3 Cup | GT Technologies | 1:57.2220 | 175.9512 |
| 43rd | 91 | Jean-Francois Dumoulin / Marc Lieb / Robert Julien / Greg Pootmans | Porsche 996 GT3 Cup | Doncaster Racing | 1:57.8370 | 175.0323 |
| 44th | 14 | Cory Friedman / Lynn Wilson / Bransen Patch / Adam Merzon / Mike Smith | Porsche 996 GT3 Cup | Autometrics Motorsports | 1:58.9060 | 173.4599 |
| 45th | 41 | Joe Nonnamaker / Will Nonnamaker / Paul Menard / Charlie Menard / Wayne Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 2:00.6350 | 170.9735 |
| 46th | 00 | Dwain Derment / Dough Baron / Dennis Puddester / Steven Bernheim | Porsche 996 GT3 Cup | Team Vision | 2:00.7270 | 170.8431 |
| 47th | 42 | Wayne Nonnamaker / Paul Menard / Charlie Menard | Porsche 996 GT3 Cup | TheRaceSite.com Racing | 2:02.0690 | |
| 48th | 86 | Tracy Krohn / Ron Forristall / Mae Van Wijk / Andres Van Der Dys / Armando Trentini | Porsche 996 GT3 Cup | G&W Motorsports | 2:04.4260 | 165.7640 |
| 49th | 71 | David Lacey / Greg Wilkins / Tom Nastasi / Mark Wilkins / Ken Wilden | Porsche 996 GT3 Cup | Doncaster Racing | 2:06.4010 | |
| 50th | 94 | Mauro Casadei / François Labhardt / Manfred Jurasz / Jim Michaelian | Ferrari 360 Modena N-GT | Mastercar | 1:59.8160 | 172.1419 |
| 51st | 82 | Steven Lynn / Jack Henricks / Jim Brillhart / Terry Heath | Porsche 996 GT3 Cup | dds Racing | 2:00.8100 | 170.7256 |
| 52nd | 17 | Joe Kunz / Derek Clark / Gary Becker / Patrick Flanagan | Porsche 996 GT3 Cup | AASCO Motorsports | 2:01.7180 | 169.4527 |
| 53rd | 47 | Michael Baughman / Bob Ward / Brad Jaeger / Frank Del Vecchio | Porsche 996 GT3 Cup | Michael Baughman Racing | 2:01.7500 | 169.4076 |
| 54th | 46 | Peter Argetsinger / Mark Patterson / John Pew / Jim Victor / Dario Cioti | Chevrolet Corvette Z06 | Michael Baughman Racing | 2:02.7140 | 168.0767 |
| 55th | 16 | Craig Stanton / David Murry / Tim Sugden | Porsche 996 GT3 Cup | AASCO Motorsports | 2:05.7990 | 163.9551 |