| 1st | 16 | Weaver / Dyson | Riley & Scott Mk III Ford | Dyson Racing Team | 187 | 6:00:51.577 | 1023.2190 kms | 170.1302 | | 1st | SRP | 1:39.9680 | 68 | 197.0465 |
| 2nd | 8 | Kelleners / Borcheller / Lazzaro | Lola B2K/40 Nissan | Rand Racing/Risi Competizione | 185 | 6:01:16.222 | | 168.1201 | | 1st | SRPII | 1:45.4600 | 160 | 186.7853 |
| 3rd | 7 | Jönsson / Franchitti / Rand | Lola B2K/40 Nissan | Rand Racing/Risi Competizione | 182 | 6:01:16.295 | | 165.3923 | | 2nd | SRPII | 1:46.4700 | 128 | |
| 4th | 22 | Sterenberg / Arsenault / MacLeod | Lola B2K/40 Nissan | Archangel Motorsport Services | 177 | 6:02:50.834 | | 160.1507 | | 3rd | SRPII | 1:49.3910 | 86 | |
| 5th | 6 | Rice / Macaluso / Gue | Riley & Scott Mk III Ford | Miracle Motorsports | 175 | 6:01:02.431 | | 159.1335 | | 2nd | SRP | 1:42.4490 | 19 | |
| 6th | 33 | Wagner / Auberlen | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | 175 | 6:02:49.352 | | 158.3514 | | 1st | GT | 1:53.4740 | 127 | |
| 7th | 64 | Kuttner / Calvet | Lola B2K/10 Porsche | Pegasus Racing | 172 | 6:02:41.132 | | 155.6960 | | 3rd | SRP | 1:49.8310 | 42 | |
| 8th | 81 | Martini / Law | Porsche 996 GT3-R | G&W Motorsports | 171 | 6:01:57.014 | | 155.1053 | | 2nd | GT | 1:55.0240 | 35 | |
| 9th | 47 | Morgan / Morgan | Chevrolet Corvette | Morgan Dollar Motorsports | 169 | 6:02:15.216 | | 153.1629 | | 1st | AGT | 1:52.5470 | 3 | 175.0242 |
| 10th | 10 | Gleason / Assentato / Longhi | BMW M3 E46 | Alegra Motorsports/901 Shop | 169 | 6:02:54.794 | | 152.8845 | | 3rd | GT | 1:57.0200 | 80 | |
| 11th | 26 | Whitehead / Zacharias | Porsche 996 GT3-RS | ACEMCO Motorsports | 167 | 6:02:15.180 | | 151.3508 | | 4th | GT | 1:56.3830 | 128 | |
| 12th | 40 | Gabel / de Quesada / Neuman | BMW M3 E46 | Alegra Motorsports | 167 | 6:02:42.100 | | 151.1625 | | 5th | GT | 1:56.0770 | 25 | |
| 13th | 54 | Murry / Valentine | BMW M3 E46 | Bell Motorsports | 166 | 6:01:09.408 | | 150.9001 | | 6th | GT | 1:54.9640 | 25 | |
| 14th | 66 | Buckler / Schrom / Morton | Porsche 996 GT3-RS | The Racer's Group | 165 | 6:01:24.603 | | 149.8863 | | 7th | GT | 1:56.1590 | 127 | |
| 15th | 83 | Giersing / Steranka / Standridge | Porsche 996 GT3-R | Rennwerks Motorsports | 164 | 6:00:55.873 | | 149.1765 | | 8th | GT | 1:58.3970 | 22 | |
| 16th | 72 | Fisher / Lewis | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 157 | 6:01:07.565 | | 142.7311 | | 1st | GTS | 2:01.2120 | 6 | |
| 17th | 14 | Merzon / Soriano / Wilson | Porsche 996 GT3-R | Pharmacydirectusa.com Racing | 157 | 6:02:49.579 | | 142.0632 | | 2nd | GTS | 1:59.4030 | 78 | |
| 18th | 91 | Brannon / Lisa / Rosenblum | Chevrolet Corvette | Paladin Racing | 155 | 6:01:11.380 | | 140.8884 | | 2nd | AGT | 1:59.6180 | 66 | |
| 19th | 34 | Pumpelly / Ivankovich / Sherman | Porsche 996 GT3-RS | ZIP Racing | 154 | 6:02:09.778 | | 139.6026 | | 9th | GT | 1:55.1560 | 84 | |
| 20th | 90 | Goad / Briody / Kopperl | Chevrolet Corvette | Flis Motorsports | 144 | 5:34:33.296 | | 141.3101 | Accident | 3rd | AGT | 1:53.4510 | 3 | |
| 21st | 24 | Barbosa / Perrier | Mosler MT900R | Perspective Racing | 143 | 6:01:37.088 | | 129.8274 | | 10th | GT | 1:52.8620 | 74 | 174.5350 |
| 22nd | 75 | Policastro, Jr. / Policastro | Porsche 996 GT3-RS | Classic Motorsports/Gunnar Racing | 141 | 6:02:51.669 | | 127.5727 | | 11th | GT | 2:00.3330 | 124 | |
| 23rd | 27 | Theys / Lienhard, Jr. / Baldi | Dallara LMP Judd | Doran Lista Racing | 136 | 6:01:41.586 | | 123.4463 | | 4th | SRP | 1:40.5060 | 82 | |
| 24th | 11 | Bupp / Davis | Chevrolet Camaro | Hamilton Safe/Inside Track Motorsports | 122 | 4:58:56.419 | | 133.9843 | Spin | 4th | AGT | 1:57.9530 | 24 | |
| 25th | 20 | Leitzinger / Dyson / Forbes-Robinson | Riley & Scott Mk III Ford | Dyson Racing Team | 72 | 2:29:10.158 | | 158.4641 | Steering | 5th | SRP | 1:40.7420 | 19 | |
| 26th | 5 | Bingham / Mall | Saleen S7-R | Park Place Racing | 68 | 2:29:27.904 | | 149.3648 | Gearbox | 3rd | GTS | 1:52.0660 | 35 | 175.7742 |
| 27th | 04 | Euser / Orti / Jacobsen | Marcos Mantis Plus | Marcos Racing International USA | 58 | 4:45:08.495 | | 66.7797 | Accident damage | 12th | GT | 2:00.8920 | 4 | |
| 28th | 87 | Roussel / Forgeois | Norma M2000-02 Ford | Sezio Florida Racing Team | 33 | 1:23:06.037 | | 130.3730 | Gearbox | 6th | SRP | 1:48.6020 | 7 | |
| 29th | 52 | Gaffney | Kudzu DLM Buick | Powerslide Motorsports | 25 | 57:42.109 | | 142.2306 | Gearbox | 7th | SRP | 1:52.5420 | 19 | |
| 30th | 03 | James / Lassally | Marcos Mantis Plus | Marcos Racing International USA | 24 | 5:38:09.176 | | 23.3017 | Withdrawn | 13th | GT | 1:59.6370 | 20 | |
| 31st | 9 | Dobyns | BMW M3 | Marcus Motorsports | 22 | 51:00.849 | | 141.5836 | Balancer | 14th | GT | 1:59.3710 | 22 | |
| 32nd | 01 | Guenette / Guenette | Porsche 993 Carrera 2 | D.L.G.L. Racing | 17 | 44:15.869 | | 126.0873 | Gearbox | 4th | GTS | 2:03.2440 | 5 | |
| 33rd | 48 | Riggins / Machavern | Ford Mustang | Heritage Motorsports | 14 | 1:37:20.805 | | 47.2149 | Oil leak | 5th | AGT | 1:54.5250 | 6 | |
| 34th | 19 | Hitt | Chevrolet Corvette | ACP Motorsports | 13 | 32:49.976 | | 129.9915 | Axle | 6th | AGT | 1:56.1130 | 5 | |
| 35th | 46 | Richards | Chevrolet Corvette | Morgan Dollar Motorsports | 8 | 15:52.345 | | 165.4727 | Accident | 7th | AGT | 1:55.9760 | 7 | |
| 36th | 29 | Curran | Ford Mustang | Sky Blue Racing | 7 | 3:36:27.710 | | 10.6168 | Electrics | 8th | AGT | 8:23.3900 | 3 | |
| 37th | 09 | Nonnamaker | Chevrolet Corvette | Flis Motorsports | 2 | 5:02.531 | | 130.2233 | Withdrawn | 9th | AGT | 2:22.6340 | 2 | |