| 1st | 2 | O'Connell / Fellows / Kneifel / Fréon | Chevrolet Corvette C5-R | Corvette Racing | 656 | 24:00:02.539 | 3758.3979 kms | 156.5779 | | 1st | GTS | 1:50.9540 | 208 |
| 2nd | 31 | Menzel / Pobst / Fitzgerald / Luhr | Porsche 996 GT3-RS | White Lightning Racing | 648 | 24:02:13.335 | | 154.4520 | | 1st | GT | 1:55.9810 | 245 |
| 3rd | 86 | Kaufmann / Stewart / Chateau | Porsche 996 GT3-RS | Freisinger Motorsports | 644 | 24:02:02.938 | | 153.5169 | | 2nd | GT | 1:56.8760 | 4 |
| 4th | 3 | Earnhardt / Pilgrim / Collins / Earnhardt, Jr. | Chevrolet Corvette C5-R | Corvette Racing | 642 | 24:00:13.163 | | 153.2337 | | 2nd | GTS | 1:52.0890 | 267 |
| 5th | 56 | Rosa / Babini / Caffi / Rosa | Porsche 996 GT3-RS | Seikel Motorsport | 637 | 24:00:21.512 | | 152.0267 | | 3rd | GT | 1:55.9720 | 265 |
| 6th | 01 | Schumacher / Bytzek / Brenner / Holtom | Porsche 911 GT1 Evo | Bytzek Motorsport | 632 | 24:00:20.817 | | 150.8342 | | 3rd | GTS | 1:53.7460 | 10 |
| 7th | 43 | Baron / Petty / Buitoni / Hindery / Kester | Porsche 996 GT3-RS | Orbit | 630 | 24:02:04.962 | | 150.1759 | | 4th | GT | 1:58.0460 | 4 |
| 8th | 81 | Law / Drendel / Murry / Wagner | Porsche 996 GT3-R | G&W Motorsports | 629 | 24:00:09.190 | | 150.1389 | | 5th | GT | 1:55.7830 | 279 |
| 9th | 10 | Auberlen / Gleason / Fairbanks / Miller | BMW M3 E46 | Genesis Racing | 627 | 24:00:19.948 | | 149.6432 | | 6th | GT | 1:55.3450 | 282 |
| 10th | 39 | Plumb / Hiskey / Culver | Porsche 996 GT3-R | White Lightning Racing | 627 | 24:00:23.966 | | 149.6352 | | 7th | GT | 1:56.1870 | 235 |
| 11th | 63 | Katz / Ronson / Smith / Downing | Kudzu DLY Mazda | Downing Atlanta | 624 | 24:01:55.056 | | 148.7629 | | 1st | SRP | 1:48.6470 | 187 |
| 12th | 50 | Stanton / Hajducky / Suzuki | Porsche 996 GT3-R | Aasco - Boduck | 618 | 24:00:23.289 | | 147.4883 | | 8th | GT | 1:55.9980 | 3 |
| 13th | 21 | Lally / Macey / Henderson / Seldon | Lola B2K/40 Nissan | Archangel Motorsport Services | 600 | 24:00:16.756 | | 143.2043 | | 1st | SRPII | 1:53.9600 | 72 |
| 14th | 16 | Weaver / Leitzinger / Wallace | Riley & Scott Mk III Ford | Dyson Racing Team | 598 | 20:30:50.010 | | 167.0129 | Engine | 2nd | SRP | 1:43.1250 | 3 |
| 15th | 34 | Pumpelly / Ivankovich / Pumpelly / Dilorio | Porsche 996 GT3-R | Spencer Pumpelly Racing | 595 | 24:02:00.138 | | 141.8411 | | 9th | GT | 1:59.4380 | 19 |
| 16th | 40 | De Castro / Cattaneo / Bicciato / Buganè | Porsche 996 GT3-R | Mac Racing | 593 | 24:01:14.286 | | 141.4388 | | 10th | GT | 2:02.4380 | 6 |
| 17th | 57 | Buttiero / Collin / Bagnall / Burgess | Porsche 996 GT3-R | Seikel Motorsport | 590 | 24:01:28.586 | | 140.7001 | | 11th | GT | 1:57.8090 | 145 |
| 18th | 71 | Hane / Thiel / Horn / Jurasz | Porsche 996 GT3-R | Freisinger Motorsports | 585 | 24:02:03.793 | | 139.4513 | | 12th | GT | 1:58.3810 | 10 |
| 19th | 20 | Forbes-Robinson / Dyson / Papis / Jönsson | Riley & Scott Mk III Ford | Dyson Racing Team | 584 | 24:00:13.672 | | 139.3901 | | 3rd | SRP | 1:43.5890 | 21 |
| 20th | 62 | Grupp / Hampton / Spencer | Kudzu DLM Mazda | Team Spencer Motorsports | 577 | 24:01:55.405 | | 137.5571 | | 2nd | SRPII | 1:49.7580 | 282 |
| 21st | 37 | Field / Rosenblad / Field / Field | Lola B2K/10 Judd | Intersport Racing | 566 | 24:01:50.424 | | 134.9435 | | 4th | SRP | 1:43.1290 | 3 |
| 22nd | 74 | Baldwin / Robinson / Hoerr / Lazier | Riley & Scott Mk III Judd | Robinson Racing | 563 | 23:03:51.943 | | 139.8504 | Engine | 5th | SRP | 1:42.8840 | 4 |
| 23rd | 14 | Friedman / Merzon / Demeroutis / Wilson | Porsche 993 Carrera RSR | Autometrics Motorsports | 563 | 24:00:43.044 | | 134.3319 | | 13th | GT | 2:03.8860 | 9 |
| 24th | 24 | Euser / Lockie / Buurman | Marcos Mantara LM600 Evo | Marcos Racing International | 562 | 24:00:15.853 | | 134.1356 | | 4th | GTS | 1:51.3160 | 4 |
| 25th | 41 | Mancini / Collini / Rapetti / Neugarten | Porsche 996 GT3-RS | Mac Racing | 561 | 24:00:28.283 | | 133.8781 | | 14th | GT | 1:56.8440 | 19 |
| 26th | 67 | Kitch / Parker / Gaylord / Oberholtzer | Porsche 996 GT3-R | The Racer's Group | 560 | 24:00:55.374 | | 133.5965 | | 15th | GT | 2:00.1240 | 247 |
| 27th | 25 | de Castro / van der Kolk / Lassally | Marcos Mantara LM600 Evo | Marcos Racing International | 557 | 24:00:15.102 | | 132.9431 | | 5th | GTS | 1:53.9970 | 202 |
| 28th | 11 | Bupp / Greer / Mills / Gregg | Chevrolet Camaro | Hamilton Safe Motorsports | 553 | 24:00:07.681 | | 133.9377 | | 1st | AGT | 2:00.0760 | 240 |
| 29th | 66 | Gaughran / Marks / Miller / Takahashi | Porsche 996 GT3-R | The Racer's Group | 547 | 24:00:56.204 | | 130.4953 | | 16th | GT | 1:59.1710 | 297 |
| 30th | 55 | Suzuki / Takahashi / Mitsuyama / Yamaji | Ferrari F355 | Club: Yellow Magic | 543 | 24:00:14.523 | | 129.6021 | | 17th | GT | 2:00.8430 | 260 |
| 31st | 114 | Zonca / Sangiuolo / Duno / Gooding | Dodge Viper GTS-R | Chamberlain Motorsports | 530 | 24:00:18.152 | | 126.4944 | | 6th | GTS | 1:56.8200 | 6 |
| 32nd | 52 | Gabel / Safina / Lowman / de Quesada | BMW M3 | Safina Racing | 530 | 24:00:33.641 | | 126.4719 | | 18th | GT | 1:59.3220 | 170 |
| 33rd | 09 | Conway / Messley / Goad / Maugeri | Chevrolet Camaro | Team X1-R | 528 | 24:00:25.535 | | 126.0068 | | 2nd | AGT | 1:56.4810 | 6 |
| 34th | 9 | Bunting / Assentato / Schearer / Ahlgrim | BMW M3 E36 | Genesis Racing | 510 | 24:00:19.229 | | 121.7195 | | 19th | GT | 2:01.9140 | 173 |
| 35th | 05 | Gutiérrez / Smith / Vuillaume / Cartier | Porsche 996 GT3-R | Haberthur Racing | 505 | 19:44:14.311 | | 146.5887 | Oil leak | 20th | GT | 1:59.8690 | 18 |
| 36th | 30 | Peroni / Ring / Sergey / Montermini | Ferrari F355 | Mastercar | 505 | 24:01:56.681 | | 120.3902 | | 7th | GTS | 2:05.2380 | 8 |
| 37th | 26 | Whitehead / Zacharias / Giangrande / Hall | Lola B2K/40 Nissan | Northstar Racing | 498 | 22:26:11.337 | | 127.1671 | Gearbox | 3rd | SRPII | 1:52.0640 | 83 |
| 38th | 69 | Felbermayr, Jr. / Felbermayr, Sr. / Ried / Ried | Porsche 911 GT2 | Proton Competition | 495 | 24:00:15.060 | | 118.1452 | | 8th | GTS | 1:55.9050 | 4 |
| 39th | 54 | Jennings / Stuck / Borcheller / Said | BMW M3 E46 V8 | JET Motorsports | 490 | 18:05:38.761 | | 155.1520 | Oil leak | 21st | GT | 1:53.8060 | 200 |
| 40th | 44 | Varde / Amick / Amick / Lester | Chevrolet Corvette | Team Amick Motorsports | 488 | 21:14:58.293 | | 131.5735 | Accident | 3rd | AGT | 1:54.2060 | 26 |
| 41st | 0 | Maxwell / Empringham / Spenard / Bytzek | Porsche 911 GT1 Evo | Bytzek Motorsport | 479 | 24:00:21.540 | | 114.3181 | | 9th | GTS | 1:50.6940 | 62 |
| 42nd | 65 | Hürtgen / Orcutt / Lorenz / Langfermann | Porsche 996 GT3-R | Cirtek Motorsport | 477 | 24:01:26.868 | | 113.7549 | | 22nd | GT | 1:57.6620 | 5 |
| 43rd | 89 | Pootmans / St. Jacques / Julien / Woodman | Lola B2K/40 Nissan | Porsche Haus Racing | 473 | 18:58:31.596 | | 142.8132 | Engine | 4th | SRPII | 1:51.5950 | 7 |
| 44th | 60 | Lister / Youles / Moss / Turner | Porsche 996 GT3-R | PK Sport | 471 | 19:40:37.328 | | 137.1386 | Accident | 23rd | GT | 1:58.6770 | 4 |
| 45th | 07 | Marshall / Marshall / van Overbeek / Holt | Porsche 911 GT2 | G&W Motorsports | 470 | 19:58:41.907 | | 134.7842 | Accident | 10th | GTS | 1:55.0220 | 5 |
| 46th | 12 | Kelleners / Brabham / McNish / van de Poele | Ferrari 333 SP | Risi Competizione | 462 | 15:36:20.887 | | 169.6120 | Engine | 6th | SRP | 1:41.8750 | 64 |
| 47th | 22 | Davis / Dudek / Durand / Clinton | Lola B2K/40 Nissan | Archangel Motorsport Services | 460 | 18:09:12.350 | | 145.1773 | Accident | 5th | SRPII | 1:53.6110 | 69 |
| 48th | 96 | Bacher / Puleo / Hauser / Dubler | Oldsmobile Cutlass | Tropic Zone Racing | 407 | 24:00:17.688 | | 97.1384 | | 4th | AGT | 1:59.8270 | 37 |
| 49th | 68 | Buckler / Michaelian / Earle / Malagamuwa | Porsche 996 GT3-RS | The Racer's Group | 354 | 24:00:54.842 | | 84.4535 | | 24th | GT | 1:56.6660 | 299 |
| 50th | 32 | Goldin / Finlay / Rankin / Goldin | Mazda RX-7 | Goldin Bros Racing | 351 | 24:00:27.389 | | 83.7647 | | 25th | GT | 2:06.6420 | 43 |
| 51st | 4 | Dayton / Burton / Sutherland | Lola B2K/10 Ford | Philip Creighton Motorsports | 347 | 12:42:30.665 | | 156.4347 | Engine | 7th | SRP | 1:45.5080 | 4 |
| 52nd | 35 | Richter / Calderari / Bryner / Alzen | Porsche 996 GT3-R | Jurgen Alzen Motorsports | 315 | 14:13:17.795 | | 126.9000 | Accident | 26th | GT | 1:58.6500 | 7 |
| 53rd | 17 | Riccitelli / Duez / Hofer / Quester | Porsche 996 GT3-R | RWS Motorsports | 310 | 11:29:33.503 | | 154.5405 | Engine | 27th | GT | 1:56.2660 | 5 |
| 54th | 79 | Björk / Loven / Oberto / Dickens | Lola B2K/40 Nissan | Sportscar Racing Team Sweden | 241 | 11:24:42.229 | | 120.9937 | Gearbox | 6th | SRPII | 1:50.8030 | 3 |
| 55th | 18 | Willes / McNeil / Leavy | Chevrolet Corvette | Comer Racing | 238 | 16:14:17.876 | | 83.9724 | Accident damage | 5th | AGT | 1:55.6320 | 156 |
| 56th | 47 | Foster / Schultheis / Neuman / Bleustein | Porsche 996 GT3-RS | Evil Eye Racing | 233 | 10:10:50.632 | | 131.1213 | Accident | 28th | GT | 1:58.1220 | 199 |
| 57th | 7 | Diez de Villarroel / Orti / Warner / Zitza | Porsche 996 GT3-R | Broadfoot Racing | 222 | 9:14:46.062 | | 137.5603 | Engine | 29th | GT | 1:58.1650 | 210 |
| 58th | 48 | Lewis / Lambert / Seiler | Pilbeam MP84 Nissan | Pilbeam Racing America | 216 | 10:54:58.400 | | 113.3654 | Accident | 7th | SRPII | 1:51.7120 | 165 |
| 59th | 38 | Schroeder / Wollek / Haywood / Maassen | Lola B2K/10 Porsche | Champion Racing | 209 | 7:23:52.222 | | 161.8598 | Engine | 8th | SRP | 1:46.2050 | 64 |
| 60th | 80 | Morton / Schrom / Mazzuoccola / Hayner | Porsche 996 GT3-R | G&W Motorsports | 185 | 7:14:58.466 | | 146.2041 | Accident | 30th | GT | 1:57.9940 | 49 |
| 61st | 27 | Theys / Lienhard / Bentley / Baldi | Crawford SSC2K Judd | Lista Doran Racing | 181 | 6:43:14.671 | | 154.2975 | Gearbox | 9th | SRP | 1:44.8570 | 2 |
| 62nd | 78 | Roussel / Macaluso / Sezionale / Forgeois | Norma M2000-01 Mader | Sezio Florida Racing Team | 179 | 9:18:16.800 | | 110.2175 | Engine | 10th | SRP | 1:50.1040 | 6 |
| 63rd | 6 | Bucknum / Sherman / Duder | Lola B2K/40 Nissan | TRP Racing | 138 | 5:20:51.114 | | 147.8504 | Accident | 8th | SRPII | 1:49.6210 | 35 |
| 64th | 53 | Curran / Smith / Snyder / Scheuren | Chevrolet Camaro IV | Diablo Racing | 125 | 10:44:15.323 | | 66.6960 | Accident damage | 6th | AGT | 1:58.0180 | 99 |
| 65th | 46 | Hitt | Chevrolet Corvette | ACP Motorsports | 117 | 24:00:14.085 | | 27.9253 | | 7th | AGT | 2:00.0480 | 104 |
| 66th | 06 | Snyder / Argetsinger / Longhi | Riley & Scott Mk III Ford | Jacobs Motorsports | 112 | 5:37:55.350 | | 113.9335 | Engine | 11th | SRP | 1:50.2010 | 10 |
| 67th | 92 | Haupt / Kumpen / Rice | Porsche 996 GT3-R | Cirtek Motorsport | 108 | 4:04:47.423 | | 151.6630 | Engine | 31st | GT | 1:56.1540 | 3 |
| 68th | 36 | Zadra / Couceiro / Gallade / Huisman | Porsche 996 GT3-RS | Jurgen Alzen Racing | 106 | 5:17:36.058 | | 114.7285 | Gearbox | 32nd | GT | 1:58.9160 | 67 |
| 69th | 8 | Konrad / Heath / Slater / Salles | Lola B2K/10 Ford | Konrad Motorsport | 96 | 5:15:47.669 | | 104.4995 | Electrics | 12th | SRP | 1:49.8610 | 6 |
| 70th | 83 | Simon / Simo / DeVries | Riley & Scott Mk III Ford | Bob Akin Motorsports | 92 | 4:14:21.395 | | 124.3347 | Engine | 13th | SRP | 1:46.6170 | 15 |
| 71st | 23 | Montgomery / Penton | Chevrolet Camaro | Gwen Racing | 67 | 24:01:07.481 | | 15.9824 | | 8th | AGT | 2:05.8990 | 7 |
| 72nd | 28 | Trenery / Emmett / Trenery / van Schoote | Riley & Scott Mk III Ford | Intersport Racing | 62 | 4:44:10.301 | | 75.0003 | Gearbox | 14th | SRP | 1:52.5740 | 6 |
| 73rd | 02 | Barbosa / Deware / Heinricy | Mosler MT900R | Morrison/Mosler Racing | 61 | 3:41:43.543 | | 94.5715 | Accident damage | 33rd | GT | 1:56.9080 | 20 |
| 74th | 5 | Gentilozzi / Pruett | Saleen S7-R | Rocketsports | 50 | 1:49:11.168 | | 157.4180 | Suspension | 11th | GTS | 1:51.5340 | 7 |
| 75th | 91 | Warnock / Comombo | Porsche 911 GT2 | Cirtek Motorsport | 48 | 1:54:34.569 | | 144.0121 | Accident | 12th | GTS | 2:00.9660 | 6 |
| 76th | 15 | Vann / Bingham | Dodge Viper GTS-R | Chamberlain Motorsports | 45 | 1:56:46.310 | | 132.4715 | Accident damage | 13th | GTS | 1:53.1830 | 7 |
| 77th | 42 | Byrne | Porsche 996 GT3-RS | Orbit | 37 | 1:18:52.358 | | 161.2595 | Engine | 34th | GT | 1:57.9390 | 21 |
| 78th | 76 | Jeannette / Jackson | Porsche 911 GT1 Evo | Gunnar Racing | 37 | 2:08:29.602 | | 98.9859 | Oil leak | 14th | GTS | 1:50.7260 | 3 |
| 79th | 95 | Schroeder | Riley & Scott Mk III Chevrolet | TRV Motorsports | 3 | 5:42.624 | | 180.5941 | Engine | 15th | SRP | 1:46.3360 | 2 |