| 1st | 27 | Theys / Lienhard / Papis / Baldi | Dallara LMP Judd | Doran Lista Racing | 716 | 24:00:51.968 | 4102.1528 kms | 170.8206 | | 1st | SRP | 1:42.7040 | 362 | |
| 2nd | 36 | Smith / Sharp / Gordon / Matthews | Riley & Scott Mk III C Elan | Jim Matthews Racing | 710 | 24:00:52.536 | | 169.3883 | | 2nd | SRP | 1:43.1680 | 558 | |
| 3rd | 8 | Lazzaro / Rand / Borcheller / Kelleners | Lola B2K/40 Nissan | Rand Racing/Risi Competizione | 695 | 24:02:16.888 | | 165.6482 | | 1st | SRPII | 1:49.9970 | 530 | 187.5079 |
| 4th | 38 | Wallace / Maassen / Haywood / Luhr | Lola B2K/10 Porsche | Champion Racing | 681 | 24:00:57.970 | | 162.4585 | | 3rd | SRP | 1:46.2300 | 41 | |
| 5th | 3 | Gentilozzi / Pruett / Lauer / Simo | Jaguar XKR | Rocketsports Racing | 675 | 24:00:55.036 | | 161.0326 | | 1st | GTS | 1:51.2730 | 490 | 185.3578 |
| 6th | 22 | Block / Knight / DeVries / Hawkins | Lola B2K/40 Nissan | Archangel Motorsport Services | 670 | 24:01:47.549 | | 159.7435 | | 2nd | SRPII | 1:52.3920 | 221 | |
| 7th | 66 | Buckler / Schrom / Bergmeister / Bernhard | Porsche 996 GT3-RS | The Racers Group | 669 | 24:02:52.089 | | 159.3862 | | 1st | GT | 1:57.0490 | 73 | |
| 8th | 77 | Bouchut / Goueslard / Chéreau / Rosenblad | Dodge Viper GTS-R | Larbre Competition | 665 | 24:01:01.290 | | 158.6363 | | 2nd | GTS | 1:53.9350 | 3 | |
| 9th | 44 | Schultheis / Kester / Tremblay / Wellman | Porsche 996 GT3-RS | Orbit Racing | 664 | 24:01:22.899 | | 158.3578 | | 2nd | GT | 1:58.2070 | 117 | |
| 10th | 86 | Amorim / Dumas / Ortelli / Fertl | Porsche 996 GT3-RS | Freisinger Motorsport | 661 | 24:02:41.119 | | 157.5001 | | 3rd | GT | 1:56.9850 | 638 | |
| 11th | 68 | Nearn / Nagel / Zacharias / Schumacher | Porsche 996 GT3-R | The Racers Group | 657 | 24:02:54.370 | | 156.5232 | | 4th | GT | 1:57.7760 | 641 | |
| 12th | 63 | Nearburg / Ronson / Lloyd / Downing | Kudzu DLY Mazda | Downing Atlanta | 654 | 24:02:40.464 | | 155.8328 | | 4th | SRP | 1:49.1940 | 509 | |
| 13th | 24 | Barbosa / Neugarten / Perrier | Mosler MT900R | Perspective Racing | 653 | 24:00:55.540 | | 155.7829 | | 5th | GT | 1:55.7150 | 521 | 178.2429 |
| 14th | 40 | Refenning / Jones / Vargo / de Quesada | BMW M3 E46 | Alegra Motorsports/901 Shop | 649 | 24:01:25.141 | | 154.7771 | | 6th | GT | 1:59.9070 | 9 | |
| 15th | 43 | Baron / Petty / Borkowski / Hindery | Porsche 996 GT3-RS | Orbit Racing | 641 | 24:01:18.906 | | 152.8796 | | 7th | GT | 1:57.2010 | 491 | |
| 16th | 57 | Plumb / Burgess / Collin / Shep | Porsche 996 GT3-RS | Seikel Motorsport | 641 | 24:01:22.412 | | 152.8732 | | 8th | GT | 1:56.6480 | 7 | |
| 17th | 31 | Slater / Seiler / Short / Jeannette | Saleen S7-R | Konrad Motorsport | 634 | 24:01:32.130 | | 151.1866 | | 3rd | GTS | 1:52.6640 | 507 | |
| 18th | 67 | Michaelian / Manfredi / Daniels / Talbert | Porsche 996 GT3-RS | The Racers Group | 618 | 24:02:53.991 | | 147.2325 | | 9th | GT | 2:02.1130 | 128 | |
| 19th | 35 | Green / Valentine / Walsh / Dilorio | Porsche 996 GT3-R | ZIP Racing | 608 | 24:01:13.413 | | 145.0180 | | 10th | GT | 2:00.0790 | 594 | |
| 20th | 04 | de Groodt / Van der Kolk / van Riet / Jacobsen | Marcos Mantis Plus | Marcos Racing International USA | 598 | 24:02:17.281 | | 142.5283 | | 11th | GT | 2:01.6750 | 284 | |
| 21st | 72 | Murry / Lewis / Fisher / McGlynn | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 592 | 24:01:34.246 | | 141.1684 | | 12th | GT | 1:57.6950 | 190 | |
| 22nd | 09 | Conway / Goad / Pilgrim / Ciasulli | Chevrolet Corvette | Flis Motorsports | 591 | 24:01:24.474 | | 140.9447 | | 1st | AGT | 1:56.8150 | 64 | |
| 23rd | 37 | Field / Dayton / Durand / Sutherland | Lola B2K/10B Judd | Intersport Racing | 590 | 20:11:20.642 | | 167.4313 | Input shaft | 5th | SRP | 1:43.4910 | 134 | |
| 24th | 85 | Orcutt / Haezebrouck / Bleustein / Croydon | Porsche 996 GT3-RS | Freisinger Motorsport | 579 | 24:02:07.130 | | 138.0157 | | 13th | GT | 1:59.8670 | 388 | |
| 25th | 33 | Wagner / Auberlen / Bertuzzi / Cope | Ferrari 360 Modena N-GT | Scuderia Ferrari of Washington | 572 | 24:02:21.724 | | 136.3243 | | 14th | GT | 1:56.4860 | 515 | |
| 26th | 98 | Bes / Saviozzi / Thiel / Terrien | Porsche 996 GT3-R | MAC Racing | 569 | 24:01:10.754 | | 135.7208 | | 15th | GT | 1:57.4450 | 535 | |
| 27th | 96 | Montermini / Polli / Bertoli / Zlobin | Ferrari 360 GT | Mastercar SRL | 551 | 23:56:20.813 | | 131.8696 | Engine | 16th | GT | 2:04.8530 | 4 | |
| 28th | 10 | Snyder / Fairbanks / Longhi / Assentato | BMW M3 E46 | Genesis | 547 | 24:02:13.705 | | 130.3778 | | 17th | GT | 1:59.0890 | 298 | |
| 29th | 62 | Spencer / Waddell / Hampton / Grupp | Kudzu DLM/FW Mazda | Team Spencer Motorsports | 533 | 24:02:28.819 | | 127.0191 | | 3rd | SRPII | 1:54.2390 | 70 | |
| 30th | 42 | Byrne / Peterson / Earle / Millman | Porsche 996 GT3-RS | Team Greeneman | 510 | 23:48:54.882 | | 122.6916 | | 4th | GTS | 2:01.6030 | 120 | |
| 31st | 73 | Jordan / Sumpter / Langford / Warnock | Porsche 996 GT3-R | Team Eurotech | 503 | 24:01:20.485 | | 119.9637 | | 18th | GT | 1:58.6980 | 299 | |
| 32nd | 00 | Empringham / Bytzek / Spenard / Holtom | Porsche 911 GT1 Evo | Bytzek Motorsports | 499 | 17:32:13.491 | | 163.0201 | Engine | 5th | GTS | 1:51.8710 | 341 | |
| 33rd | 46 | Morgan / Richards / Richards / Morgan | Chevrolet Corvette | Morgan Dollar Motorsports | 493 | 23:56:46.668 | | 117.9520 | Tyre | 2nd | AGT | 1:56.6070 | 444 | |
| 34th | 87 | Roussel / Forgeois / Sezionale | Norma M2000-02 Ford | Sezio Florida Racing Team | 492 | 24:02:24.039 | | 117.2552 | | 6th | SRP | 1:51.6640 | 88 | |
| 35th | 30 | Field / Oberto / Neuhaus / Field | Lola B2K/10 Judd | Intersport Racing | 462 | 17:36:48.012 | | 150.2789 | Engine | 7th | SRP | 1:47.5930 | 32 | |
| 36th | 13 | van de Poele / Brabham / Johansson | Ferrari 333 SP | Risi Competizione | 455 | 16:43:38.252 | | 155.8424 | Accident damage | 8th | SRP | 1:44.2690 | 283 | |
| 37th | 4 | Bryant / Goldrich / Gooding / Maenpaa | Dodge Viper GTS-R | Brookspeed Racing | 434 | 24:03:12.038 | | 103.3746 | | 6th | GTS | 2:01.8470 | 314 | |
| 38th | 49 | Lupberger / Bell / Toivonen | Ascari KZR-1 Judd | Team Ascari | 429 | 15:15:07.596 | | 161.1485 | Engine | 9th | SRP | 1:43.9440 | 3 | |
| 39th | 83 | McKellar / Erdos / Johnson / Verdon-Roe | Saleen S7-R | Graham Nash Motorsport | 428 | 24:01:14.362 | | 102.0839 | | 7th | GTS | 1:51.4750 | 412 | |
| 40th | 82 | Greer / Willes / Lingner / Finger | Chevrolet Corvette | Dick Greer Racing - Wendy's | 424 | 16:34:45.100 | | 146.5211 | Suspension | 3rd | AGT | 1:54.3040 | 142 | 180.4429 |
| 41st | 56 | Drudi / Rosa / Rosa / Caffi | Porsche 996 GT3-RS | Seikel Motorsport | 420 | 16:08:28.879 | | 149.0768 | Engine | 19th | GT | 1:56.3000 | 68 | |
| 42nd | 7 | Riccitelli / Vosse / Quester / Said | Porsche 996 GT3-R 3.8 | RWS Motorsport | 404 | 15:35:31.523 | | 148.4491 | Engine | 8th | GTS | 1:55.2920 | 240 | |
| 43rd | 51 | Bingham / MacLeod / Gaughran / Rice | Saleen S7-R | Park Place Racing/Team Seattle | 392 | 24:03:04.899 | | 93.3774 | | 9th | GTS | 1:52.4190 | 3 | |
| 44th | 20 | Forbes-Robinson / Dyson / Dyson / Schroeder | Riley & Scott Mk III Ford | Dyson Racing Team | 379 | 13:44:03.990 | | 158.0987 | Engine | 10th | SRP | 1:44.5120 | 124 | |
| 45th | 92 | Casadei / Sangiuolo / Clark / Wilton | Porsche 996 GT3-R | Swiss GT Racing | 352 | 14:51:18.810 | | 135.7578 | Accident | 20th | GT | 2:03.5850 | 157 | |
| 46th | 2 | Lammers / Mowlem / Stewart | Crawford SSC2K Judd | Crawford Racing | 346 | 12:13:42.355 | | 162.1076 | Engine | 11th | SRP | 1:42.0780 | 122 | 202.0547 |
| 47th | 79 | Fitzgerald / Jackson / Matos / Franchitti | Porsche 996 GT3-RS | J3 Racing | 343 | 12:32:57.464 | | 156.5940 | Engine | 21st | GT | 1:57.1250 | 129 | |
| 48th | 9 | Felbermayr, Jr. / Felbermayr / Knapfield / Ahrlé | Porsche 996 GT3-R | RWS Motorsport | 335 | 14:23:30.941 | | 133.3599 | Clutch | 22nd | GT | 1:59.5100 | 280 | |
| 49th | 08 | Euser / Lockie / Huisman | Marcos Mantara LM600 | Marcos Racing International | 330 | 14:15:38.288 | | 132.5794 | Engine | 10th | GTS | 1:54.5010 | 25 | |
| 50th | 53 | Bentley / Lambert / Kitch / Gaylord | Saleen S7-R | Park Place Racing/Team Seattle | 311 | 14:08:03.570 | | 126.0615 | Gearbox | 11th | GTS | 1:52.6460 | 286 | |
| 51st | 39 | Papadopoulos / Friedman / Plumb | Porsche 996 GT3-R | Autosport Race Team | 301 | 13:43:08.114 | | 125.7026 | Radiator | 23rd | GT | 1:58.0570 | 111 | |
| 52nd | 12 | Smith / Mall / Scarallo / Dwyer | Ultima GTR | K&N Filters Racing | 294 | 15:00:02.345 | | 112.2888 | Drive shaft | 12th | GTS | 1:55.9180 | 7 | |
| 53rd | 19 | Hitt / Briody / Trinkler / Lewis | Chevrolet Corvette | ACP Motorsports | 287 | 23:45:29.952 | | 69.2098 | Suspension | 4th | AGT | 2:00.3410 | 13 | |
| 54th | 21 | Clinton / Connor / Tillman / Francois | Lola B2K/40 Nissan | Archangel Motorsport Services | 285 | 16:38:13.528 | | 98.1442 | Engine | 4th | SRPII | 1:54.0940 | 283 | |
| 55th | 99 | Wilson / Konig / Dawson / Hannen | Porsche 996 GT3-R | Cirtek Motorsport | 284 | 10:48:43.161 | | 150.4914 | Accident damage | 24th | GT | 1:59.9710 | 189 | |
| 56th | 91 | Beilharz / Lisa / Jenkins | Oldsmobile Aurora | Paladin Racing | 275 | 12:45:30.405 | | 123.4898 | Engine | 5th | AGT | 2:01.8980 | 16 | |
| 57th | 16 | Weaver / Leitzinger / Gavin | Riley & Scott Mk III Ford | Dyson Racing Team | 265 | 12:15:26.238 | | 123.8648 | Overheating | 12th | SRP | 1:42.8510 | 121 | |
| 58th | 54 | Cunningham / van der Merwe / Petery / Atapattu | BMW M3 E46 | Bell Motorsports | 246 | 13:29:41.097 | | 104.4400 | Gearbox | 25th | GT | 1:57.6900 | 144 | |
| 59th | 60 | Puleo / Dubler | Chevrolet Corvette | Xtreme Racing Group | 232 | 15:48:47.420 | | 84.0560 | Gearbox | 6th | AGT | 1:58.1270 | 7 | |
| 60th | 18 | Malagamuwa / Deware | Mosler MT900R | Boston Motorsports Group | 224 | 23:53:43.266 | | 53.7070 | | 26th | GT | 2:01.5540 | 42 | |
| 61st | 03 | Shuster / Baisden / Annis / Lassally | Marcos Mantis Plus | Marcos Racing International USA | 219 | 14:39:21.093 | | 85.6107 | Differential | 27th | GT | 2:03.4810 | 112 | |
| 62nd | 95 | Schroeder / Macaluso / Schneider / Volk | Riley & Scott Mk III Chevrolet | TRV Motorsport | 216 | 8:24:18.192 | | 147.2357 | Accident | 13th | SRP | 1:46.1720 | 152 | |
| 63rd | 29 | Hoerr / Duncan / Busch / Brassfield | Ford Mustang | Sky Blue Racing | 196 | 9:21:17.633 | | 120.0377 | Accident damage | 7th | AGT | 1:54.3230 | 111 | |
| 64th | 84 | Herridge / Newton / Ellis / Attard | Porsche 996 GT3-R | Graham Nash Motorsport | 184 | 8:21:56.137 | | 126.0149 | Accident damage | 28th | GT | 2:04.7310 | 177 | |
| 65th | 74 | Baldwin / Robinson / Dallenbach, Jr. / Simo | Riley & Scott Mk III C Judd | Robinson Racing | 170 | 6:27:15.801 | | 150.9017 | Gearbox | 14th | SRP | 1:44.0980 | 104 | |
| 66th | 89 | Julien / Wilson / Smith | Lola B2K/40 Nissan | Porschehaus Racing | 164 | 6:00:17.620 | | 156.4717 | Engine | 5th | SRPII | 1:55.9880 | 58 | |
| 67th | 78 | Roussel / Mirro / Krolowicz / O'Born | Norma M2000-01 Ford | Sezio Florida Racing Team | 160 | 24:01:43.294 | | 38.1495 | | 15th | SRP | 1:58.8670 | 57 | |
| 68th | 45 | Hezemans / Gregg / Zonca / Bunting | Dodge Viper GTS-R | American Viper Racing | 132 | 4:55:05.148 | | 153.7712 | Engine | 13th | GTS | 1:54.7050 | 132 | |
| 69th | 90 | Harvick / Carelli / Metcalf / Liniger | Chevrolet Corvette | Flis Motorsports | 123 | 4:24:19.758 | | 159.9591 | Engine | 8th | AGT | 1:54.8910 | 7 | |
| 70th | 23 | Collins / Zwart / Vann | Ascari KZR-1 BMW | Team Ascari | 116 | 6:19:04.313 | | 105.1932 | Electrics | 16th | SRP | 1:46.6020 | 5 | |
| 71st | 07 | Law / Marshall / Trentini | Picchio D-USA BMW | G&W Motorsports | 107 | 3:51:38.018 | | 158.7940 | Accident | 6th | SRPII | 1:57.8540 | 42 | |
| 72nd | 50 | Stanton | BMW M3 E46 | Aasco/Boduck Racing | 54 | 1:57:17.087 | | 158.2709 | Engine | 29th | GT | 1:57.5940 | 36 | |
| 73rd | 34 | Pumpelly | Porsche 996 GT3-RS | ZIP Racing | 15 | 1:10:44.234 | | 72.8936 | Engine | 30th | GT | 1:57.8960 | 12 | |
| 74th | 06 | James | Riley & Scott Mk III Ford | Jacobs Motorsports | 0 | | | | Timing chain | 17th | SRP | | | |