| 1st | 10 | Angelelli / Taylor | Riley Mk XI Pontiac | SunTrust Racing | 1:43.602 | 1:43.6020 | 1:45.3770 | 1:45.8290 | 18:52.4130 |
| 2nd | 81 | Wagner / Martini / Collins | Doran JE4 BMW | Rx.com/G&W Motorsports | 1:45.821 | 1:45.8210 | 1:46.9280 | 1:48.2520 | 2:14.3280 |
| 3rd | 02 | Diaz / Morales | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:45.833 | 1:45.8330 | 1:46.2290 | 1:49.1880 | 2:12.8380 |
| 4th | 01 | Papis / Pruett | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:46.458 | 1:48.6710 | 1:46.4580 | 1:47.7160 | 2:11.8560 |
| 5th | 58 | Law / Maassen / Donohue | Fabcar FDSC/03 Porsche | Red Bull - Brumos - Goodyear - Kendall | 1:46.694 | 1:46.6940 | 1:47.2350 | 1:49.0940 | no time |
| 6th | 6 | Negri / Frisselle | Doran JE4 Lexus | Michael Shank Racing | 1:46.770 | 1:46.7700 | 1:47.6450 | 1:49.2040 | 2:15.0620 |
| 7th | 9 | Borkowski / Mears, Jr. / Tremblay | Riley Mk XI Pontiac | Mears Motorcoach/SpeedSource | 1:46.867 | 1:46.8670 | 1:48.0120 | 1:48.5620 | 2:32.9900 |
| 8th | 2 | Duno / Wallace / Lammers | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:46.991 | 1:48.7100 | 1:46.9910 | 1:48.0710 | 2:33.4760 |
| 9th | 27 | Magnussen / Theys / *Lienhard | Doran JE4 Lexus | Doran Lista Racing | 1:47.268 | 1:47.2680 | 1:47.3250 | 1:50.2400 | no time |
| 10th | 54 | Barber / Pilgrim / Borcheller | Doran JE4 Pontiac | Kodak - Bell Motorsports | 1:47.330 | 1:54.7050 | 1:47.3300 | 1:50.4280 | 2:15.9610 |
| 11th | 4 | Leitzinger / Forbes-Robinson / Edwards | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:47.510 | 1:47.5100 | 1:47.6830 | 1:48.1540 | 2:18.3030 |
| 12th | 59 | France / Haywood / Luhr | Fabcar FDSC/03 Porsche | Brumos - Goodyear - Kendall | 1:48.087 | 1:48.2800 | 1:48.0870 | 1:49.8930 | 2:44.2560 |
| 13th | 09 | Goad / Grégoire | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:48.431 | 1:48.4310 | 1:49.7640 | 1:50.3940 | 2:21.7340 |
| 14th | 39 | Hall / Huang / Davis | Crawford DP03 Pontiac | Silverstone Racing Services | 1:48.906 | 1:50.2070 | 1:50.9820 | 1:48.9060 | 2:16.3790 |
| 15th | 7 | Lewis / *Rice / *Southard | Fabcar FDSC/03 BMW | Southard Motorsports | 1:50.303 | 1:50.3030 | 2:04.3940 | 1:53.4390 | no time |
| 16th | 5 | Pruskowski / Bentley / *Pruskowski | Multimatic MDP1 Ford Focus | Essex Racing | 1:50.797 | 1:50.7970 | 1:53.6810 | 1:52.6240 | 2:20.2780 |
| 17th | 21 | Auberlen / Said | BMW M3 E46 | Prototype Technology Group | 1:53.573 | 1:54.8740 | 1:53.5730 | 1:56.1080 | 2:15.8750 |
| 18th | 22 | Hand / Marks / *Jönsson | BMW M3 E46 | Prototype Technology Group | 1:54.087 | 1:54.9670 | 1:54.0870 | 1:57.6730 | 2:17.5070 |
| 19th | 30 | Lazzaro / Kelleners / *Bennett | Ferrari 360 Modena GT | Risi Competizione | 1:54.251 | 1:55.1220 | 1:54.2510 | 1:56.2480 | 2:22.5120 |
| 20th | 66 | James / Gleason / Valentine | Porsche 996 GT3-RS | The Racers Group | 1:55.193 | 1:55.1930 | 1:55.3280 | 1:56.8650 | 2:20.2300 |
| 21st | 44 | Fitzgerald / Policastro, Jr. / Policastro | Porsche 996 GT3-RS | Orbit Racing | 1:55.257 | 1:57.3330 | 1:55.2570 | 1:57.6910 | 2:27.4560 |
| 22nd | 33 | Barbosa / Assentato / Earle | Maserati Trofeo Light | Scuderia Ferrari of Washington | 1:56.093 | 1:57.2260 | 1:56.0930 | 2:00.1590 | 2:31.7880 |
| 23rd | 67 | Halliday / Buckler / Kroczek | Porsche 996 GT3-RS | The Racers Group | 1:56.177 | 2:01.4280 | 2:01.0280 | 1:56.1770 | 2:32.5600 |
| 24th | 57 | Vance / Lewis / Stevenson | Porsche 996 GT3-R | Stevenson Motorsports/Auto Assets | 1:56.625 | 1:57.1480 | 1:56.6250 | 1:59.1580 | 2:40.2810 |
| 25th | 99 | Nearn / Schumacher | Porsche 996 GT3-RS | Schumacher Racing | 1:56.806 | 1:57.4300 | 1:56.8060 | 1:59.2500 | 3:14.5450 |
| 26th | 24 | Bambard / *Nowicki | Chevrolet Corvette C5 | Specter Werks/Sports | 1:57.905 | no time | 1:57.9050 | 2:05.0020 | 2:42.6920 |
| 27th | 34 | Segal / *Buchwald / *Kenton | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | 1:58.087 | 1:58.0870 | 1:58.9630 | 2:04.0970 | 2:35.6260 |
| 28th | 36 | Pobst / Levitas / *Rockenfeller | Porsche 996 GT3 Cup | TPC Racing | 1:58.654 | 1:58.6540 | 2:00.4470 | 2:01.3820 | 2:21.3600 |
| 29th | 16 | Murry / *Stanton / *Webber | Porsche 996 GT3 Cup | AASCO Motorsports | 1:59.211 | 2:00.0190 | 1:59.2110 | 2:00.4580 | 2:23.0210 |
| 30th | 38 | Lally / Bunting | Porsche 996 GT3 Cup | TPC Racing | 1:59.288 | 1:59.2880 | 1:59.9590 | 2:02.2650 | 2:28.4240 |
| 31st | 37 | Pumpelly / Adam / Littlechild | Porsche 996 GT3 Cup | TPC Racing | 2:00.021 | 2:01.9970 | 2:00.0210 | 2:00.9770 | 2:24.5170 |
| 32nd | 41 | Nonnamaker / Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 2:00.276 | 2:01.1060 | 2:00.2760 | 2:02.7460 | no time |
| 33rd | 86 | McDowell / Van Wijk / Nastasi | Porsche 996 GT3 Cup | G&W Motorsports | 2:00.462 | 2:01.9190 | 2:00.4620 | 2:03.8010 | 2:32.4390 |
| 34th | 73 | Baldwin / Tafel | Porsche 996 GT3 Cup | Baldwin-Tafel Racing | 2:00.645 | 2:01.1760 | 2:00.6450 | 2:03.2880 | no time |
| 35th | 11 | Orts / Michaelian / Gay | Ferrari 360 Modena N-GT | JMB Racing USA | 2:00.736 | 2:06.5090 | 2:00.7360 | 2:18.5160 | 2:43.3160 |
| 36th | 71 | Lacey / Wilkins / Dumoulin | Porsche 996 GT3 Cup | Doncaster Racing | 2:01.936 | 2:01.9360 | 2:02.0460 | 2:02.8480 | 2:29.0510 |
| 37th | 72 | Matos / *Lewis | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 2:01.961 | 2:01.9610 | 2:02.0310 | 2:03.5890 | 2:32.4390 |
| 38th | 92 | Cosmo / Gilbet / Stewart | Porsche 996 GT3 Cup | Apple Motorsports | 2:02.385 | 2:02.4610 | 2:02.3850 | 2:03.2730 | no time |
| 39th | 46 | Longhi / Patterson / Pew | Chevrolet Corvette Z06 | Michael Baughman Racing | 2:02.920 | 2:04.1250 | 2:02.9200 | 2:11.2090 | no time |
| 40th | 42 | Shanaman / Shanaman / Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 2:03.089 | 2:06.8350 | 2:03.0890 | 2:06.5000 | 2:32.3290 |
| 41st | 47 | Ward / Baughman / *Yeakle | Porsche 996 GT3 Cup | Michael Baughman Racing | 2:03.650 | 2:05.4840 | 2:03.6500 | 2:08.7550 | 2:41.3590 |
| 42nd | 04 | Sigal / Alfonso / Castillo | Porsche 996 GT3 Cup | Grease Monkey Racing | 2:04.194 | 2:05.2350 | 2:04.1940 | 2:10.0100 | 2:46.2000 |
| 43rd | 43 | Shelton, Jr. / Shelton / Shelton | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 2:05.431 | 2:06.9660 | 2:05.4310 | 2:10.5230 | 4:27.5810 |
| 44th | 65 | Master / Choulochas / *Schroeder | Porsche 996 GT3 Cup | The Racers Group | 2:05.438 | 2:08.6600 | 2:05.4380 | 2:07.1780 | 2:44.2560 |