| 1st | 23 | Patrick Long / Mike Rockenfeller / Lucas Luhr | Crawford DP03 Porsche | Alex Job Racing/Emory Motorsports | 1:44.0090 | 198.3034 |
| 2nd | 02 | Scott Dixon / Dan Wheldon / Casey Mears | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:44.6090 | 197.1656 |
| 3rd | 99 | Alex Gurney / Bob Stallings / Jim Vasser / Rocky Moran, Jr. | Riley Mk XI Pontiac | Gainsco/Blackhawk Racing | 1:44.6750 | 197.0416 |
| 4th | 78 | B. J. Zacharias / Sébastien Bourdais / Raul Boesel | Doran JE4 Ford | Doran Racing | 1:44.6910 | 197.0111 |
| 5th | 60 | Oswaldo Negri / Mark Patterson / A. J. Allmendinger / Justin Wilson | Riley Mk XI Lexus | Michael Shank Racing | 1:44.7710 | 196.8614 |
| 6th | 19 | Memo Gidley / Michael McDowell / Alex Barron | Crawford DP03 Ford | Playboy/Uniden Racing | 1:44.8270 | 196.7568 |
| 7th | 12 | Adrian Fernandez / Mario Haberfeld / Scott Sharp | Riley Mk XI Pontiac | Lowe's Fernandez Racing | 1:44.8380 | 196.7359 |
| 8th | 28 | Michael Valiante / Rob Finlay / Bryan Herta / Buddy Rice | Crawford DP03 Ford | Finlay Motorsports | 1:44.9330 | 196.5572 |
| 9th | 01 | Scott Pruett / Luis Diaz / Max Papis | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:44.9690 | 196.4896 |
| 10th | 59 | J. C. France / João Barbosa / Ted Christopher / Hurley Haywood | Fabcar FDSC/03 Porsche | Brumos Racing | 1:44.9830 | 196.4639 |
| 11th | 8 | Brian Frisselle / Burt Frisselle / Clint Field / Patrick Huisman | Doran JE4 Porsche | Synergy Racing | 1:44.9960 | 196.4397 |
| 12th | 6 | Paul Tracy / Paul Mears, Jr. / Mike Borkowski / Ken Wilden | Riley Mk XI Lexus | Graydon Elliott Fusion Racing with MSR | 1:45.0150 | 196.4043 |
| 13th | 39 | Christian Fittipaldi / Eddie Cheever, Jr. / Patrick Carpentier | Crawford DP03 Lexus | Cheever Racing | 1:45.1890 | 196.0793 |
| 14th | 89 | Ryan Dalziel / Jon Fogarty / Alex Figge / David Empringham | Riley Mk XI Pontiac | Pacific Coast Motorsports | 1:45.4240 | 195.6415 |
| 15th | 7 | Dario Franchitti / Milka Duno / Marino Franchitti / Kevin McGarrity | Riley Mk XI Pontiac | CITGO Racing by SAMAX | 1:45.6730 | 195.1812 |
| 16th | 2 | Jan Lammers / Danica Patrick / Allan McNish / Rusty Wallace | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:45.9530 | 194.6646 |
| 17th | 51 | Stefan Johansson / Warren Hughes / Thomas Erdos | Crawford DP03 Lexus | Cheever Racing | 1:46.0740 | 194.4426 |
| 18th | 77 | Forest Barber / Terry Borcheller / Michel Jourdain / Harrison Brix | Doran JE4 Ford | Feeds The Need/Doran Racing | 1:46.2540 | 194.1142 |
| 19th | 4 | Andy Wallace / Butch Leitzinger / Tony Stewart | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:46.3930 | 193.8600 |
| 20th | 84 | Wally Dallenbach, Jr. / George Robinson / Paul Dallenbach / Darin Brassfield | Riley Mk XI Pontiac | Robinson Racing | 1:46.6130 | 193.4592 |
| 21st | 40 | Ron Fellows / Randy Ruhlman / Chris Bingham / Justin Bell | Riley Mk XI Pontiac | Derhaag Motorsports | 1:46.7420 | 193.2259 |
| 22nd | 5 | Duncan Dayton / Rick Knoop / Brian DeVries / Jim Matthews / James Gue | Crawford DP03 Ford | Essex Racing | 1:46.9810 | 192.7946 |
| 23rd | 50 | Henry Zogaib / Ian James / Tom Nastasi / Chris Gleason | Crawford DP03 Ford | Blackforest Motorsports | 1:47.2210 | 192.3633 |
| 24th | 09 | Doug Goad / Harold Primat / Bobby Labonte / Larry Oberto | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:47.6340 | 191.6246 |
| 25th | 16 | Chris Dyson / Rob Dyson / Oliver Gavin / Guy Smith | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:48.0360 | 190.9117 |
| 26th | 11 | Brian Tuttle / Kyle Petty / Boris Said | Riley Mk XI BMW | Tuttle Team Racing/SAMAX | 1:51.4860 | 185.0038 |
| 27th | 10 | Wayne Taylor / Emmanuel Collard / Max Angelelli / Ryan Briscoe | Riley Mk XI Pontiac | SunTrust Racing | 1:44.3950 | 197.5711 |
| 28th | 3 | Shane Lewis / Kris Szekeres / Randy LaJoie / Tony Burgess | Riley Mk XI BMW | Southard Motorsports | 1:44.9440 | 196.5363 |
| 29th | 58 | David Donohue / Darren Law / Sascha Maassen | Fabcar FDSC/03 Porsche | Red Bull/Brumos Porsche | 1:45.1970 | 196.0648 |
| 30th | 75 | Tracy Krohn / Niclas Jönsson / Jörg Bergmeister / Colin Braun | Riley Mk XI Pontiac | Krohn Racing | no time | |
| 31st | 72 | Wolf Henzler / Robin Liddell / Johannes Van Overbeek / Graham Rahal | Porsche 997 GT3 Cup | Tafel Racing | 1:53.3360 | 181.9846 |
| 32nd | 74 | Andrew Davis / Charles Espenlaub / Eric Lux / Jim Tafel / Michael Cawley | Porsche 997 GT3 Cup | Tafel Racing | 1:53.4610 | 181.7835 |
| 33rd | 70 | Sylvain Tremblay / David Haskell / Jeff Altenburg / Nick Ham | Mazda RX-8 | SpeedSource | 1:53.8460 | 181.1687 |
| 34th | 64 | Paul Edwards / Kelly Collins / Andy Pilgrim / Jan Magnussen | Pontiac GTO.R | TRG | 1:53.8610 | 181.1445 |
| 35th | 65 | Andy Lally / Marc Bunting / Richard Valentine / Johnny O'Connell | Pontiac GTO.R | TRG | 1:53.9830 | 180.9514 |
| 36th | 83 | Dominik Farnbacher / Mike Fitzgerald / Pierre Ehret / Marc Basseng | Porsche 997 GT3 Cup | Farnbacher Loles/Orbit Racing | 1:54.0030 | 180.9192 |
| 37th | 36 | Randy Pobst / Spencer Pumpelly / Michael Levitas / Ian Baas | Porsche 996 GT3 Cup | TPC Racing | 1:54.0530 | 180.8404 |
| 38th | 22 | Jean-Francois Dumoulin / Nick Longhi / Emil Assentato / Lonnie Pechnik / Jep Thornton | Porsche 996 GT3 Cup | Fiorano Racing | 1:54.2240 | 180.5700 |
| 39th | 17 | Johnny Mowlem / Lance Arnold / Bryan Sellers / David Shep / Jan Seyffarth | Porsche 997 GT3 Cup | SAMAX | 1:54.3000 | 180.4493 |
| 40th | 05 | Bill Auberlen / Matthew Alhadeff / Tommy Milner / Justin Marks / Gene Sigal | BMW M3 E46 | Sigalsport BMW | 1:54.3220 | 180.4139 |
| 41st | 06 | Tommy Archer / Leighton Reese / Russ Oasis / Dino Crescentini | Chevrolet Corvette | Banner Racing | 1:54.5740 | 180.0180 |
| 42nd | 80 | David Murry / Leh Keen / Craig Stanton / Xavier Pompidou | Porsche 996 GT3 Cup | Synergy Racing | 1:54.9640 | 179.4064 |
| 43rd | 71 | David Lacey / Brent Martini / Greg Wilkins / Mark Wilkins / Johnny Mowlem | Porsche 997 GT3 Cup | SAMAX/Doncaster Racing | 1:56.0060 | 177.7955 |
| 44th | 41 | Wayne Nonnamaker / Joe Nonnamaker / Will Nonnamaker / Victor Gonzalez, Jr. | Porsche 996 GT3 Cup | Team Sahlen | 1:56.0160 | 177.7810 |
| 45th | 00 | Ron Zitza / Jim Thomasson / Tim Lewis, Jr. / Kevin Wheeler | Porsche 996 GT3 Cup | TZ Motorsports | 1:56.8160 | 176.5627 |
| 46th | 87 | Dave Gaylord / Wes Hill / Ken Hill / Will Diefenbach | Porsche 997 GT3 Cup | Synergy Racing | 1:56.8540 | 176.5048 |
| 47th | 93 | Tony Ave / Rob Stewart / Dave Stewart / Bob Gilbert / Gary Stewart | Porsche 996 GT3 Cup | TPC Racing | 1:57.2550 | 175.9013 |
| 48th | 68 | Jim Pace / Revere Greist / Jim Lowe | Porsche 996 GT3 Cup | TRG | 1:57.4400 | 175.6245 |
| 49th | 66 | Stéphane Ortelli / Robert Nearn / Cyrille Sauvage / Steve Johnson | Porsche 997 GT3 Cup | TRG | 1:57.4740 | 175.5730 |
| 50th | 21 | Gerald Van Uitert / Matt Connolly / Carlos de Quesada / Rick Sutherland / Tom Sutherland | BMW M3 E46 | Matt Connolly Motorsports | 1:57.5330 | 175.4861 |
| 51st | 52 | Constantino Bertuzzi / Luis Monzón / Bo McCormick / Philipp Baron | Ferrari 360 Modena Challenge | Mastercar | 1:57.5900 | 175.4008 |
| 52nd | 04 | Gene Sigal / Peter MacLeod / Miro Konôpka / Blake Rosser | BMW M3 E46 | Sigalsport BMW | 1:57.8280 | 175.0467 |
| 53rd | 69 | Josh Vargo / Jake Vargo / Mark Herrington / Brady Refenning | Porsche 996 GT3 Cup | TRG | 1:57.9710 | 174.8343 |
| 54th | 24 | Brian O'Shaughnessy / Bill Cotter / Tom Malloy / Jacob Shalit / Billy Johnson | BMW M3 E46 | Matt Connolly Motorsports | 1:58.7930 | 173.6241 |
| 55th | 08 | Steve Goldin / Keith Goldin / Scott Finlay / Scott Richards / Kurt Thiel | Mazda RX-8 | Goldin Brothers Racing | 1:59.4580 | 172.6585 |
| 56th | 67 | Patrick Flanagan / Bohdan Kroczek / Bill Keith / Marc Bullock | Porsche 996 GT3 Cup | TRG | 1:59.7530 | 172.2320 |
| 57th | 86 | Don Kitch / Chris Pennington / Don Gagne / Chris Pallis | Porsche 997 GT3 Cup | Synergy Racing | 2:00.0220 | 171.8457 |
| 58th | 43 | Wes Allen / Eddie Hennessy / Jim Michaelian / Manuel Matos / Wayne Nonnamaker | Porsche 996 GT3 Cup | Team Sahlen | 2:00.5980 | 171.0250 |
| 59th | 48 | Toni Seiler / Robert Dubler / Hans Hauser / Michael DeFontes / Kurt Thiel | Chevrolet Corvette | WTF Engineering | 2:00.8650 | 170.6484 |
| 60th | 81 | John Pew / Steve Marshall / Hal Prewitt / Danny Marshall / Ben McCrackin | Porsche 996 GT3 Cup | Synergy Racing | 2:00.8870 | 170.6162 |
| 61st | 46 | Ray Mason / Michael Baughman / John Connolly / Frank Del Vecchio / Bryan Collyer | Chevrolet Corvette | Michael Baughman Racing | 2:03.0210 | 167.6566 |
| 62nd | 57 | Vic Rice / Tommy Riggins / John Stevenson / Spencer Trenery / Dominic Cicero | Chevrolet Corvette | Stevenson Motorsports | 1:54.8290 | 179.6173 |
| 63rd | 82 | Dirk Werner / Philipp Peter / Dieter Quester / Luca Riccitelli | Porsche 997 GT3 Cup | Farnbacher Racing/Farnbacher Loles | 1:53.7260 | 181.3602 |
| 64th | 63 | Dennis Spencer / Scott Spencer / Roger Mandeville / Rich Grupp / Gary Drummond | Mazda RX-8 | Team Spencer Motorsports | 1:58.7950 | 173.6209 |
| 65th | 15 | Cory Friedman / Patrick Small / Mac McGehee / Bill Martin / Tory Herring | Porsche 996 GT3 Cup | Autometrics Motorsports | no time | |
| 66th | 55 | Zach Arnold / John Miller / Eric Koselke / Jay Poscente / Mark Montgomery | Chevrolet Corvette | ASC Motorsports | no time | |