| 1st | 54 | Pilgrim / Borcheller / Fittipaldi / Barber | Doran JE4 Pontiac | Bell Motorsports | 526 | 24:01:47.035 | 3013.5930 kms | 125.4114 | | 1st | DP | 1:48.9320 | 6 |
| 2nd | 44 | Fitzgerald / Liddell / Mowlem / Policastro / Policastro, Jr. | Porsche 996 GT3-RS | Orbit Racing | 523 | 24:01:50.730 | 2996.4060 kms | | | 1st | GT | 1:54.7080 | 25 |
| 3rd | 74 | Pechnik / Neiman / Van Overbeek / Cunningham / Rockenfeller | Porsche 996 GT3 Cup | Flying Lizard Motorsports | 523 | 24:01:57.703 | 2996.4060 kms | | | 2nd | GT | 1:53.9040 | 3 |
| 4th | 27 | Theys / Goossens / Lammers / Lienhard | Doran JE4 Lexus | Doran Lista Racing | 521 | 24:02:26.844 | 2984.9470 kms | | | 2nd | DP | 1:49.9450 | 22 |
| 5th | 2 | Wallace / Earnhardt, Jr. / Stewart | Crawford DP03 Chevrolet | Howard - Boss Motorsports | 519 | 23:40:10.405 | 2973.4880 kms | | Suspension | 3rd | DP | 1:48.9700 | 6 |
| 6th | 73 | Peter / Montermini / Engelhorn / Quester | Ferrari 360 Modena N-GT | Red Bull BE Racing | 511 | 24:02:35.460 | 2927.6541 kms | | | 3rd | GT | 1:55.8880 | 51 |
| 7th | 6 | Collins / Erdos / Wagner / Newton | Doran JE4 Lexus | Michael Shank Racing | 509 | 24:01:55.010 | 2916.1960 kms | | | 4th | DP | 1:50.4230 | 6 |
| 8th | 10 | Angelelli / Taylor / Collard | Riley Mk XI Pontiac | SunTrust Racing | 508 | 23:23:45.169 | 2910.4661 kms | | Drive shaft | 5th | DP | 1:48.6310 | 6 |
| 9th | 91 | Dumoulin / Lieb / Julien / Pootmans | Porsche 996 GT3 Cup | Doncaster Racing | 504 | 24:03:40.058 | 2887.5491 kms | | | 1st | SGS | 1:58.6990 | 5 |
| 10th | 01 | Pruett / Papis / Dixon / Morales | Riley Mk XI Lexus | CGR Grand Am | 502 | 24:02:04.323 | 2876.0911 kms | | | 6th | DP | 1:49.0160 | 2 |
| 11th | 56 | Burgess / Collin / van Merksteijn / Rosa / Rosa | Porsche 996 GT3-RS | Seikel Motor Sport | 501 | 24:03:31.150 | 2870.3621 kms | | | 4th | GT | 1:57.0080 | 8 |
| 12th | 38 | Pobst / Lally / Littlechild / Bunting / Levitas | Porsche 996 GT3 Cup | TPC Racing | 501 | 24:03:42.643 | 2870.3621 kms | | | 2nd | SGS | 1:59.3610 | 3 |
| 13th | 71 | Lacey / Wilkins / Nastasi / Wilkins / Wilden | Porsche 996 GT3 Cup | Doncaster Racing | 494 | 24:01:51.618 | 2830.2571 kms | | | 3rd | SGS | 1:59.5490 | 7 |
| 14th | 66 | Buckler / Bernhard / Long / Bergmeister | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 494 | 24:03:37.140 | 2830.2571 kms | | | 5th | GT | 1:54.3470 | 40 |
| 15th | 41 | Nonnamaker / Nonnamaker / Menard / Menard / Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 493 | 24:02:55.490 | 2824.5271 kms | | | 4th | SGS | 2:01.7020 | 18 |
| 16th | 72 | Lewis / McGlynn / Matos / Lluch | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 492 | 24:02:29.305 | 2818.7981 kms | | | 6th | GT | 1:58.8330 | 42 |
| 17th | 67 | Nearn / Ehret / Matthews / Nielsen / Sauvage | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 492 | 24:04:55.478 | 2818.7981 kms | | | 7th | GT | 1:55.6400 | 4 |
| 18th | 83 | Wilson / Mountain / Konig | Porsche 996 GT3-RS | Cirtek Motorsport | 491 | 24:01:51.016 | 2813.0691 kms | | | 8th | GT | 1:58.7670 | 9 |
| 19th | 13 | Davis / Cawley / Espenlaub / Foster | Porsche 996 GT3 Cup | Foxhill Racing | 491 | 24:03:39.240 | 2813.0691 kms | | | 5th | SGS | 1:59.3790 | 8 |
| 20th | 16 | Stanton / Murry / Sugden | Porsche 996 GT3 Cup | AASCO Motorsports | 487 | 24:02:22.796 | 2790.1521 kms | | | 6th | SGS | 1:58.3840 | 6 |
| 21st | 68 | James / Gleason / Valentine / Kroczek / Zimroth | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 487 | 24:03:38.125 | 2790.1521 kms | | | 9th | GT | 1:56.2460 | 5 |
| 22nd | 63 | Plumb / Lewis / Wolfkill / Escalette | Porsche 996 GT3 Cup | Glenn Yee Motorsports | 482 | 24:01:18.697 | 2761.5061 kms | | | 7th | SGS | 1:58.6630 | 4 |
| 23rd | 47 | Baughman / Ward / Jaeger / Del Vecchio | Porsche 996 GT3 Cup | Michael Baughman Racing | 482 | 24:02:43.290 | 2761.5061 kms | | | 8th | SGS | 2:01.5470 | 20 |
| 24th | 98 | Zitza / Riddell / Von Seelen / de Quesada / Feinstein | Porsche 996 GT3 Cup | GT Technologies | 481 | 24:01:49.640 | 2755.7759 kms | | | 10th | GT | 1:59.7020 | 22 |
| 25th | 80 | Guenette / Workman / Marshall / Marshall | Picchio DP2 BMW | G&W Motorsports | 466 | 24:02:41.027 | 2669.8369 kms | | | 7th | DP | 1:53.6940 | 33 |
| 26th | 30 | Lazzaro / Kelleners / Bobbi | Maserati Light GT | Risi Competizione | 462 | 24:02:44.379 | 2646.9199 kms | | | 11th | GT | 1:59.5700 | 6 |
| 27th | 82 | Lynn / Henricks / Brillhart / Heath | Porsche 996 GT3 Cup | dds Racing | 461 | 24:02:27.940 | 2641.1909 kms | | | 9th | SGS | 2:02.0920 | 45 |
| 28th | 4 | Leitzinger / Forbes-Robinson / Johnson / Brule | Crawford DP03 Chevrolet | Howard - Boss Motorsports | 456 | 21:44:06.940 | 2612.5449 kms | | Overheating | 8th | DP | 1:49.9170 | 4 |
| 29th | 00 | Derment / Baron / Puddester / Bernheim | Porsche 996 GT3 Cup | Team Vision | 454 | 24:02:40.317 | 2601.0859 kms | | | 10th | SGS | 2:01.5840 | 6 |
| 30th | 14 | Friedman / Wilson / Patch / Merzon / Smith | Porsche 996 GT3 Cup | Autometrics Motorsports | 449 | 24:02:57.015 | 2572.4399 kms | | | 11th | SGS | 2:00.6800 | 20 |
| 31st | 86 | Krohn / Forristall / Van Wijk / Van Der Dys / Trentini | Porsche 996 GT3 Cup | G&W Motorsports | 443 | 24:04:11.486 | 2538.0640 kms | | | 12th | SGS | 2:04.7310 | 23 |
| 32nd | 94 | Casadei / Labhardt / Jurasz / Michaelian | Ferrari 360 Modena N-GT | Mastercar | 439 | 24:04:08.058 | 2515.1470 kms | | | 12th | GT | 2:02.9800 | 29 |
| 33rd | 57 | Vance / Masarati / Stevenson / Buttermore | Porsche 996 GT3-R | Stevenson Motorsports/Auto Assets | 428 | 24:02:13.673 | 2452.1250 kms | | | 13th | GT | 1:57.3190 | 7 |
| 34th | 24 | Bambard / Halsmer / Heinricy / Nowicki | Chevrolet Corvette C5 | Specter Werks/Sports | 407 | 24:02:53.442 | 2331.8110 kms | | | 14th | GT | 1:55.0430 | 5 |
| 35th | 09 | Goad / Gordon / Duno / Grégoire | Crawford DP03 Pontiac | Spirit of Daytona Racing | 401 | 24:01:47.890 | 2297.4351 kms | | | 9th | DP | 1:50.3270 | 6 |
| 36th | 93 | Drudi / Monfardini / Meneghello / Colasacco / Fonferko | Ferrari 360 Modena Challenge | Mastercar | 388 | 18:25:17.797 | 2222.9551 kms | | Differential | 15th | GT | 1:58.0710 | 4 |
| 37th | 33 | de Simone / Earle / Assentato / Longhi | Maserati Trofeo Light | Scuderia Ferrari of Washington | 384 | 21:38:23.630 | 2200.0381 kms | | Accident damage | 16th | GT | 1:57.5360 | 7 |
| 38th | 46 | Argetsinger / Patterson / Pew / Victor / Cioti | Chevrolet Corvette Z06 | Michael Baughman Racing | 369 | 24:02:42.022 | 2114.0991 kms | | | 13th | SGS | 2:01.3010 | 4 |
| 39th | 17 | Kunz / Clark / Becker / Flanagan | Porsche 996 GT3 Cup | AASCO Motorsports | 366 | 24:02:23.774 | 2096.9109 kms | | | 14th | SGS | 2:02.7270 | 7 |
| 40th | 7 | Lewis / Robinson / Baldwin / Rice / Southard | Fabcar FDSC/03 BMW | Southard Motorsports | 359 | 14:01:43.225 | 2056.8059 kms | | Engine | 10th | DP | 1:51.5510 | 3 |
| 41st | 59 | France / Haywood / Sharp / Riggins | Fabcar FDSC/03 Porsche | Brumos Racing | 343 | 13:23:51.243 | 1965.1379 kms | | Chassis | 11th | DP | 1:50.1840 | 20 |
| 42nd | 5 | Maxwell / Pruskowski / Pruskowski / Bentley | Multimatic MDP1 Ford Focus | Essex Racing | 335 | 15:15:45.031 | 1919.3040 kms | | Electrics | 12th | DP | 1:52.4000 | 20 |
| 43rd | 70 | Tremblay / Wellman / Hall / Huang | Multimatic MDP1 Ford Focus | SpeedSource | 304 | 13:45:18.496 | 1741.6960 kms | | Electrics | 13th | DP | 1:51.5600 | 5 |
| 44th | 9 | Borkowski / Mears, Jr. / Luyendyk, Jr. / Ham / Bell | Multimatic MDP1 Ford Focus | Mears Motorcoach/SpeedSource | 289 | 12:49:13.338 | 1655.7570 kms | | Electrics | 14th | DP | 1:52.2010 | 16 |
| 45th | 22 | Jönsson / Said / Hand / Marks / Auberlen | BMW M3 E46 | Prototype Technology Group | 267 | 10:24:24.122 | 1529.7140 kms | | Overheating | 17th | GT | 1:55.9850 | 49 |
| 46th | 97 | Orcutt / Thiel / Dobson / Jenkins | Porsche 996 GT3-R | Graham Nash Motorsport | 261 | 12:58:27.148 | 1495.3380 kms | | Electrics | 18th | GT | 1:58.1770 | 23 |
| 47th | 60 | Puleo / Dubler / Kennedy / Evans | Chevrolet Corvette | Xtreme Racing Group | 193 | 24:02:25.896 | 1105.7480 kms | | | 19th | GT | 1:58.9370 | 8 |
| 48th | 45 | Jeannette / Brockman / Newman / Petty | Fabcar FDSC/03 Porsche | Gunnar Racing | 185 | 7:17:20.341 | 1059.9139 kms | | Engine | 15th | DP | 1:51.7170 | 5 |
| 49th | 21 | Auberlen / Jönsson / Hand | BMW M3 E46 | Prototype Technology Group | 162 | 7:27:50.433 | 928.1408 kms | | Electrics | 20th | GT | 1:55.3970 | 29 |
| 50th | 58 | Donohue / Law / Luhr / Maassen | Fabcar FDSC/03 Porsche | Red Bull - Brumos Porsche | 150 | 5:53:28.366 | 859.3897 kms | | Electrics | 16th | DP | 1:49.4110 | 6 |
| 51st | 15 | Gaylord / Kitch / Olsen / Hessert, III | Multimatic MDP1 Ford Focus | Essex Racing | 149 | 6:26:30.197 | 853.6605 kms | | Oil leak | 17th | DP | 1:56.0650 | 24 |
| 52nd | 11 | Alexander / Alessi | Ferrari 360 Modena N-GT | JMB Racing USA | 98 | 3:57:18.486 | 561.4680 kms | | Accident damage | 21st | GT | 1:56.6580 | 17 |
| 53rd | 88 | Couceiro / Amaral / Gião | Porsche 996 GT3-RS | ASM Team | 65 | 7:16:46.540 | 372.4022 kms | | Fire | 22nd | GT | 1:57.5560 | 10 |