| 1st | 66 | Buckler / Schrom / Bernhard / Bergmeister | Porsche 996 GT3-RS | The Racer's Group | 695 | 24:01:07.001 | 3981.8391 kms | 165.7817 | | 1st | GT | 1:52.3540 | 482 | 183.5746 |
| 2nd | 35 | Kelleners / Lazzaro / Mowlem | Ferrari 360 Modena GT | Risi Competizione | 686 | 24:02:25.540 | | 163.4868 | | 2nd | GT | 1:54.4950 | 548 | |
| 3rd | 83 | Murry / Standridge / Van Overbeek / Steranka | Porsche 996 GT3-R | Rennwerks Motorsports | 684 | 24:01:08.305 | | 163.1553 | | 3rd | GT | 1:54.3270 | 443 | |
| 4th | 88 | Maxwell / Brabham / Empringham | Multimatic MDP1 Ford Focus | Multimatic | 679 | 24:02:51.777 | | 161.7680 | | 1st | DP | 1:51.2240 | 282 | |
| 5th | 59 | France / Haywood / Goodyear / Sharp | Fabcar FDSC/03 Porsche | Brumos Porsche | 661 | 24:01:48.522 | | 157.5950 | | 2nd | DP | 1:50.6180 | 521 | 186.4554 |
| 6th | 43 | Baron / Hindery / Lieb / Petty | Porsche 996 GT3-RS | Orbit Racing | 656 | 24:02:02.802 | | 156.3783 | | 4th | GT | 1:53.1940 | 453 | |
| 7th | 5 | Bentley / Kitch / Pruskowski / Pruskowski | Lola B2K/40 Nissan | Team Seattle/Essex Racing | 652 | 24:02:49.838 | | 155.3403 | | 1st | SRPII | 1:56.5480 | 252 | |
| 8th | 15 | Gaughran / Gorriaran / MacLeod / Gaylord | Lola B2K/40 Nissan | Team Seattle/Essex Racing | 648 | 24:02:50.678 | | 154.3844 | | 2nd | SRPII | 1:57.9570 | 559 | |
| 9th | 24 | Policand / Barbosa / Neugarten / Wallace | Mosler MT900R | Perspective Racing | 641 | 24:02:20.104 | | 152.7718 | | 1st | GTS | 1:51.6580 | 406 | |
| 10th | 46 | Morgan / Norick / Pace / Morgan | Chevrolet Corvette | Morgan-Dollar Motorsports | 639 | 24:02:20.848 | | 152.2938 | | 2nd | GTS | 1:53.1360 | 438 | |
| 11th | 34 | Baldi / Keen / van de Poele / Hampton | Ferrari 360 Modena GT | Ferri Competizione | 638 | 24:02:26.333 | | 152.0460 | | 5th | GT | 1:54.9530 | 449 | |
| 12th | 31 | Stanton / Barff / Britnell / Sutherland | Mosler MT900R | Rollcentre Racing | 635 | 24:01:10.241 | | 151.4634 | | 3rd | GTS | 1:56.3570 | 140 | |
| 13th | 69 | Cunningham / Plumb / Friedman / Stanton | BMW M3 | Marcus Racing | 633 | 24:01:13.268 | | 150.9806 | | 6th | GT | 1:56.8410 | 293 | |
| 14th | 20 | Farfus / Collard / Papis / Garbagnati | Ferrari 360 Modena N-GT | JMB USA Racing | 621 | 24:02:27.082 | | 147.9921 | | 7th | GT | 1:54.3070 | 441 | |
| 15th | 30 | Short / Herridge / Burton / Shep | Mosler MT900R | Rollcentre Racing | 601 | 24:01:12.617 | | 143.3491 | | 4th | GTS | 1:54.9100 | 452 | |
| 16th | 7 | Konrad / Seiler / Dare / Yvon | Saleen S7-R | Konrad Motorsport | 600 | 24:01:50.969 | | 143.0482 | | 5th | GTS | 1:50.6500 | 437 | 186.4023 |
| 17th | 49 | Orlandi / Merendino / Clark / Atapattu | Porsche 996 GT3-RS | Pit Bull/MAC Racing | 595 | 24:02:26.930 | | 141.7961 | | 8th | GT | 1:58.1480 | 453 | |
| 18th | 21 | Oberto / Bingham / Cope / DeVries | Lola B2K/40 Nissan | Archangel Motorsport Services | 589 | 23:46:14.174 | | 141.9618 | Engine | 3rd | SRPII | 1:55.2730 | 447 | |
| 19th | 44 | Fitzgerald / Matos / Policastro / Policastro, Jr. | Porsche 996 GT3-RS | Orbit Racing | 566 | 24:02:55.218 | | 134.8421 | | 9th | GT | 1:54.2970 | 450 | |
| 20th | 97 | Savoldi / Peroni / Francioni | Lucchini SR2002 Nissan | Lucchini Engineering | 548 | 19:20:35.366 | | 162.3120 | Oil system | 4th | SRPII | 1:54.2940 | 236 | 180.4590 |
| 21st | 09 | Goad / Menard / Mears, Jr. / Briody | Chevrolet Corvette | Flis Motorsports | 542 | 24:01:47.429 | | 129.2255 | | 6th | GTS | 1:54.6340 | 216 | |
| 22nd | 68 | Michaelian / Valentine / Hessert, III / Hessert | Porsche 996 GT3-RS | The Racer's Group | 501 | 18:48:20.162 | | 152.6334 | Accident | 10th | GT | 1:57.9360 | 381 | |
| 23rd | 03 | Euser / Knook / Crevels / van der Kolk | Marcos Mantis Plus | Marcos USA | 465 | 23:54:57.341 | | 111.3940 | Wheel | 11th | GT | 1:56.3020 | 212 | |
| 24th | 8 | Said / Law / Quester / Riccitelli | Picchio DP2 BMW | G&W Motorsports | 451 | 24:01:07.714 | | 107.5782 | | 3rd | DP | 1:51.4950 | 193 | |
| 25th | 3 | Grala / Negri / Rehm / Cosmo | Fabcar FDSC/03 Toyota | Cegwa Sport | 403 | 14:33:31.301 | | 158.5928 | Fire | 4th | DP | 1:52.5300 | 237 | |
| 26th | 19 | Puleo / Hitt / Dubler / Kennedy | Chevrolet Corvette | ACP Motorsports | 391 | 20:36:21.561 | | 108.7128 | Steering | 7th | GTS | 1:54.2850 | 19 | |
| 27th | 05 | Conway / Metcalf / Carelli / Liniger | Chevrolet Corvette | RE/MAX Racing | 378 | 16:36:00.914 | | 130.4599 | Steering | 8th | GTS | 1:54.0100 | 134 | |
| 28th | 77 | Vasiliev / Tanaka / Fomenko / Lechner, Jr. | Porsche 996 GT3-R | RWS Motorsport | 361 | 13:37:11.223 | | 151.8577 | Accident | 9th | GTS | 1:54.9920 | 323 | |
| 29th | 99 | Hamblin / Brensinger / Nelson / Greenberg | Porsche 996 GT3-RS | NETTTS Racing | 316 | 12:25:31.064 | | 145.7068 | Accident | 12th | GT | 1:57.7370 | 282 | |
| 30th | 40 | Bell / Wilden / Bell / Gregg | Chevrolet Corvette C5 | Derhaag Motorsports | 260 | 9:27:02.366 | | 157.6192 | Engine | 10th | GTS | 1:52.7100 | 7 | |
| 31st | 33 | Wagner / Martini / Tremblay / Wellman | Ferrari 360 Modena GT | Scuderia Ferrari of Washington | 214 | 7:32:28.581 | | 162.5808 | Accident | 13th | GT | 1:55.8240 | 175 | |
| 32nd | 73 | Wilson / Newton / Gooding / Konig | Porsche 996 GT3-R | Graham Nash Motorsport | 211 | 9:36:12.309 | | 125.8797 | Engine | 14th | GT | 1:56.9260 | 151 | |
| 33rd | 10 | Terrien / Delalande / de Lorenzi / Saviozzi | Porsche 996 GT3-R | MAC Racing | 206 | 8:30:49.552 | | 138.6257 | Engine | 15th | GT | 1:56.8880 | 4 | |
| 34th | 58 | Donohue / Borkowski / Pobst / Bye | Fabcar FDSC/03 Porsche | Brumos Porsche | 160 | 5:35:36.473 | | 163.8843 | Engine | 5th | DP | 1:51.5920 | 3 | |
| 35th | 67 | Davis / Julien / Nastasi / Lacey | Porsche 996 GT3-RS | The Racer's Group | 151 | 5:20:08.319 | | 162.1398 | Accident | 16th | GT | 1:55.7860 | 144 | |
| 36th | 98 | Maassen / Snow / Luhr / Schumacher | Porsche 996 GT3-RS | Schumacher Racing | 135 | 5:03:36.584 | | 152.8507 | Suspension | 17th | GT | 1:54.3490 | 39 | |
| 37th | 80 | Bayliff / Marshall / Prilika | Picchio D-USA BMW | G&W Motorsports | 121 | 4:54:24.598 | | 141.2811 | Gearbox mount | 5th | SRPII | 2:00.0470 | 94 | |
| 38th | 57 | Caffi / Rosa / Chiesa / Rosa | Porsche 996 GT3-RS | Seikel Motorsport | 101 | 3:34:52.417 | | 161.5797 | Engine | 18th | GT | 1:55.6440 | 6 | |
| 39th | 54 | Theys / Barber / Borcheller / Fittipaldi | Doran JE4 Chevrolet | Bell Motorsports | 67 | 3:17:05.856 | | 116.8545 | Engine | 6th | DP | 1:51.6890 | 12 | |
| 40th | 22 | Earle | Ferrari 360 Modena N-GT | JMB USA Racing | 54 | 1:57:37.547 | | 157.8123 | Fire | 19th | GT | 1:58.3120 | 5 | |
| 41st | 48 | Riggins / Machavern | Ford Mustang | Heritage Motorsports | 49 | 1:57:53.189 | | 142.8840 | Engine | 11th | GTS | 1:54.0910 | 14 | |
| 42nd | 18 | Stiver | Mosler MT900R | Boston Motorsports Group | 14 | 40:04.600 | | 120.0844 | Gearbox | 12th | GTS | 2:02.8430 | 12 | |
| 43rd | 6 | Jeannette | Porsche 911 GT1 | Gunnar Racing | 9 | 22:29.824 | | 137.5201 | Engine | 13th | GTS | 1:59.1680 | 7 | |
| 44th | 51 | Casadei | Porsche 911 GT2 | Proton Competition | 2 | 11:06.777 | | 61.8664 | Engine | 14th | GTS | 4:55.5430 | 2 | |