| 1st | 20 | Leitzinger / Dyson / Forbes-Robinson | Riley & Scott Mk III Ford | Dyson Racing Team | 1:39.104 | 1:39.1040 | 1:40.7420 | 1:43.4720 | 1:41.0550 | 1:41.1800 |
| 2nd | 16 | Weaver / Dyson | Riley & Scott Mk III Ford | Dyson Racing Team | 1:39.564 | 1:39.5640 | 1:39.9680 | 1:41.9880 | 1:40.3040 | 1:40.7120 |
| 3rd | 27 | Theys / Lienhard, Jr. / Baldi | Dallara LMP Judd | Doran Lista Racing | 1:39.846 | 1:39.8460 | 1:40.5060 | 1:46.4330 | 1:41.8720 | 1:40.0930 |
| 4th | 6 | Rice / Macaluso / Gue | Riley & Scott Mk III Ford | Miracle Motorsports | 1:40.404 | 1:40.4040 | 1:42.4490 | 1:49.1380 | 1:43.6480 | 1:42.3440 |
| 5th | 8 | Kelleners / Borcheller / Lazzaro | Lola B2K/40 Nissan | Rand Racing/Risi Competizione | 1:45.328 | 1:45.3280 | 1:45.4600 | 1:47.5920 | 1:48.4400 | 1:46.8440 |
| 6th | 7 | Jönsson / Franchitti / Rand | Lola B2K/40 Nissan | Rand Racing/Risi Competizione | 1:46.470 | 1:46.7620 | 1:46.4700 | 1:49.4380 | 1:49.5640 | 1:49.1820 |
| 7th | 87 | Roussel / Forgeois / *Sezionale | Norma M2000-02 Ford | Sezio Florida Racing Team | 1:47.560 | 1:47.5600 | 1:48.6020 | 1:55.9760 | 1:51.7090 | 1:49.5580 |
| 8th | 07 | Law / Lally / Bayliff | Picchio D-USA BMW | G&W Motorsports | 1:48.473 | 1:48.4730 | | 2:04.1170 | 1:50.8090 | 1:53.4130 |
| 9th | 5 | Bingham / Mall | Saleen S7-R | Park Place Racing | 1:49.048 | 1:49.0480 | 1:52.0660 | 2:24.2130 | 1:53.1510 | 1:50.6470 |
| 10th | 22 | Sterenberg / Arsenault / MacLeod | Lola B2K/40 Nissan | Archangel Motorsport Services | 1:49.391 | 1:49.4980 | 1:49.3910 | 1:52.2490 | 1:52.8980 | 1:52.2230 |
| 11th | 64 | Kuttner / Calvet | Lola B2K/10 Porsche | Pegasus Racing | 1:49.831 | no time | 1:49.8310 | 1:58.6750 | 1:59.2290 | no time |
| 12th | 47 | Morgan / Morgan | Chevrolet Corvette | Morgan Dollar Motorsports | 1:49.927 | 1:49.9270 | 1:52.5470 | 2:03.1480 | 1:53.6580 | 1:51.3620 |
| 13th | 52 | Gaffney / *Paqua / *Kraus | Kudzu DLM Buick | Powerslide Motorsports | 1:50.162 | no time | 1:52.5420 | 1:56.4740 | 1:50.1620 | 1:55.0600 |
| 14th | 48 | Riggins / Machavern | Ford Mustang | Heritage Motorsports | 1:51.652 | 1:51.6520 | 1:54.5250 | 1:56.7490 | 1:54.2600 | 1:51.8060 |
| 15th | 24 | Barbosa / Perrier | Mosler MT900R | Perspective Racing | 1:51.856 | 1:51.8560 | 1:52.8620 | 1:56.2120 | 1:54.3510 | 1:53.5650 |
| 16th | 90 | Goad / Briody / Kopperl | Chevrolet Corvette | Flis Motorsports | 1:52.090 | 1:52.0900 | 1:53.4510 | 2:01.9370 | 1:55.0060 | 1:55.9740 |
| 17th | 29 | Curran / *Brassfield / *Hoerr | Ford Mustang | Sky Blue Racing | 1:52.510 | 1:52.5100 | 8:23.3900 | 2:15.1970 | 1:53.4670 | 1:54.3980 |
| 18th | 33 | Wagner / Auberlen | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | 1:52.543 | 1:52.5430 | 1:53.4740 | 1:54.6950 | 1:53.8630 | 1:53.4720 |
| 19th | 54 | Murry / Valentine | BMW M3 E46 | Bell Motorsports | 1:53.475 | 1:53.4750 | 1:54.9640 | 2:05.4390 | 1:55.6650 | no time |
| 20th | 34 | Pumpelly / Ivankovich / Sherman | Porsche 996 GT3-RS | ZIP Racing | 1:54.009 | 1:54.0090 | 1:55.1560 | 2:02.4690 | 1:56.8460 | 1:57.7610 |
| 21st | 46 | Richards / *Richards / *Setzer | Chevrolet Corvette | Morgan Dollar Motorsports | 1:54.347 | 1:54.3470 | 1:55.9760 | 2:01.3070 | 1:57.3710 | 1:56.1080 |
| 22nd | 81 | Martini / Law | Porsche 996 GT3-R | G&W Motorsports | 1:54.844 | 1:58.5540 | 1:55.0240 | 2:15.0460 | 1:56.7700 | 1:54.8440 |
| 23rd | 26 | Whitehead / Zacharias / *Giangrande | Porsche 996 GT3-RS | ACEMCO Motorsports | 1:55.026 | 1:55.0260 | 1:56.3830 | 2:05.9680 | 1:58.5170 | 1:57.0510 |
| 24th | 19 | Hitt / *Trinkler / *Mills | Chevrolet Corvette | ACP Motorsports | 1:55.030 | 1:55.0300 | 1:56.1130 | 2:08.1020 | no time | 2:02.2770 |
| 25th | 11 | Bupp / Davis | Chevrolet Camaro | Hamilton Safe/Inside Track Motorsports | 1:55.626 | 1:55.6260 | 1:57.9530 | 2:12.3780 | 2:00.3650 | 1:57.9420 |
| 26th | 40 | Gabel / de Quesada / Neuman | BMW M3 E46 | Alegra Motorsports | 1:55.630 | 1:55.6300 | 1:56.0770 | 2:01.8490 | 1:57.6230 | 1:56.2350 |
| 27th | 91 | Brannon / Lisa / Rosenblum | Chevrolet Corvette | Paladin Racing | 1:55.745 | 1:55.7450 | 1:59.6180 | no time | 2:01.4040 | 1:59.0920 |
| 28th | 66 | Buckler / Schrom / Morton | Porsche 996 GT3-RS | The Racer's Group | 1:56.159 | 1:56.5810 | 1:56.1590 | 2:01.5380 | 1:58.1060 | 1:56.4830 |
| 29th | 10 | Gleason / Assentato / Longhi | BMW M3 E46 | Alegra Motorsports/901 Shop | 1:56.832 | 1:56.8320 | 1:57.0200 | 2:02.2620 | 2:00.3120 | 1:58.1040 |
| 30th | 83 | Giersing / Steranka / Standridge | Porsche 996 GT3-R | Rennwerks Motorsports | 1:56.983 | 1:57.5230 | 1:58.3970 | 2:04.3540 | 2:01.8350 | 1:56.9830 |
| 31st | 9 | Dobyns / *Chase / *Friedman | BMW M3 | Marcus Motorsports | 1:57.905 | 1:57.9050 | 1:59.3710 | 2:07.8940 | 2:00.6970 | 2:00.3170 |
| 32nd | 03 | James / Lassally / *Pobst | Marcos Mantis Plus | Marcos Racing International USA | 1:58.111 | 1:58.1110 | 1:59.6370 | 2:02.0590 | 2:04.3910 | 1:58.8810 |
| 33rd | 04 | Euser / Orti / Jacobsen | Marcos Mantis Plus | Marcos Racing International USA | 1:58.779 | no time | 2:00.8920 | no time | 2:01.5280 | 1:58.7790 |
| 34th | 14 | Merzon / Soriano / Wilson | Porsche 996 GT3-R | Pharmacydirectusa.com Racing | 1:59.282 | 1:59.2820 | 1:59.4030 | 2:04.4960 | 1:59.4560 | 1:59.4010 |
| 35th | 75 | Policastro, Jr. / Policastro | Porsche 996 GT3-RS | Classic Motorsports/Gunnar Racing | 1:59.394 | 1:59.3940 | 2:00.3330 | 2:09.4710 | 2:07.2740 | 2:02.7750 |
| 36th | 72 | Fisher / Lewis | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 2:01.212 | 2:02.6650 | 2:01.2120 | 2:02.8940 | 2:03.8860 | 2:03.7240 |
| 37th | 01 | Guenette / Guenette / *Guenette, Jr. | Porsche 993 Carrera 2 | D.L.G.L. Racing | 2:03.244 | no time | 2:03.2440 | 2:29.4890 | 2:05.8100 | 2:06.9470 |
| 38th | 09 | Nonnamaker / *Goad | Chevrolet Corvette | Flis Motorsports | 2:07.022 | 2:11.6590 | 2:22.6340 | no time | no time | 2:07.0220 |