| 1st | 76 | Bergmeister / Said | Riley Mk XI Ford | Krohn Racing | 154 | 6:00:43.8320 | 140.1578 | | 1st | DP | 1:45.9820 | 144 |
| 2nd | 99 | Gurney / Fogarty / Stallings | Riley Mk XI Pontiac | Gainsco/Blackhawk Racing | 154 | 6:00:47.3270 | 140.1352 | | 2nd | DP | 1:46.2130 | 11 |
| 3rd | 10 | Angelelli / Taylor / Briscoe | Riley Mk XI Pontiac | SunTrust Racing | 154 | 6:00:47.4720 | 140.1336 | | 3rd | DP | 1:46.1360 | 144 |
| 4th | 60 | Negri / Patterson | Riley Mk XI Lexus | Michael Shank Racing | 154 | 6:01:00.2010 | 140.0516 | | 4th | DP | 1:47.3520 | 30 |
| 5th | 4 | Wallace / Leitzinger | Crawford DP03 Pontiac | Howard - Boss Motorsports | 154 | 6:01:20.7310 | 139.9196 | | 5th | DP | 1:49.0750 | 29 |
| 6th | 19 | McDowell / Gidley / Cosmo | Crawford DP03 Ford | Playboy/Uniden Racing | 153 | 6:00:48.9270 | 139.2147 | | 6th | DP | 1:46.7810 | 152 |
| 7th | 01 | Pruett / Diaz | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 153 | 6:00:49.2020 | 139.2131 | | 7th | DP | 1:46.8300 | 152 |
| 8th | 77 | Brix / Borcheller | Doran JE4 Ford | Feeds The Need/Doran Racing | 153 | 6:00:59.4570 | 139.1471 | | 8th | DP | 1:48.2420 | 143 |
| 9th | 8 | Frisselle / Frisselle / Unser, Jr. | Doran JE4 Porsche | Synergy Racing | 153 | 6:01:12.3690 | 139.0634 | | 9th | DP | 1:47.9370 | 20 |
| 10th | 89 | Dalziel / Figge | Riley Mk XI Pontiac | Pacific Coast Motorsports | 153 | 6:01:25.2670 | 138.9813 | | 10th | DP | 1:47.0610 | 31 |
| 11th | 11 | Goossens / Duno / Johansson | Riley Mk XI Pontiac | CITGO Racing by SAMAX | 152 | 6:00:48.5650 | 138.3070 | | 11th | DP | 1:46.5080 | 20 |
| 12th | 5 | Valiante / Finlay / Cosmo | Crawford DP03 Ford | Essex/Finlay Motorsports | 152 | 6:00:51.6950 | 138.2877 | | 12th | DP | 1:46.1430 | 152 |
| 13th | 39 | Fittipaldi / Cheever, Jr. / Orsi | Crawford DP03 Porsche | Crown Royal Special Reserve/Cheever | 152 | 6:01:00.4300 | 138.2314 | | 13th | DP | 1:46.8150 | 30 |
| 14th | 6 | Borkowski / Constantine / Mears, Jr. | Riley Mk XI Lexus | Playboy Racing/Mears-Lexus/Riley | 152 | 6:01:12.6570 | 138.1541 | | 14th | DP | 1:48.9900 | 151 |
| 15th | 23 | Rockenfeller / Long | Crawford DP03 Porsche | Alex Job Racing/Emory Motorsports | 151 | 6:01:21.5350 | 137.1885 | | 15th | DP | 1:47.4920 | 30 |
| 16th | 75 | Krohn / Jönsson | Riley Mk XI Ford | Krohn Racing | 150 | 6:01:56.2370 | 136.0620 | | 16th | DP | 1:49.1530 | 30 |
| 17th | 58 | Law / Donohue | Fabcar FDSC/03 Porsche | Red Bull/Brumos Porsche | 149 | 6:01:08.3610 | 135.4537 | | 17th | DP | 1:47.9550 | 21 |
| 18th | 40 | Ruhlman / Guenette | Riley Mk XI Pontiac | Derhaag Motorsports | 149 | 6:01:29.4070 | 135.3217 | | 18th | DP | 1:49.8960 | 137 |
| 19th | 72 | Liddell / Henzler | Porsche 997 GT3 Cup | Tafel Racing | 149 | 6:02:07.5000 | 135.0851 | | 1st | GT | 1:57.5990 | 17 |
| 20th | 36 | Pobst / Baas | Porsche 996 GT3 Cup | TPC Racing | 148 | 6:02:09.5320 | 134.1662 | | 2nd | GT | 1:58.6220 | 148 |
| 21st | 7 | Tuttle / MacLeod | Riley Mk XI Pontiac | Tuttle Team Racing | 147 | 6:01:29.8110 | 133.5031 | | 19th | DP | 1:53.1330 | 18 |
| 22nd | 78 | Zacharias / Kuttner | Doran JE4 Pontiac | Doran/Pegasus Racing | 147 | 6:01:33.0160 | 133.4838 | | 20th | DP | 1:51.5920 | 30 |
| 23rd | 3 | Lewis / Stanton | Riley Mk XI BMW | Southard Motorsports | 147 | 6:01:54.0000 | 133.3551 | | 21st | DP | 1:48.8680 | 20 |
| 24th | 64 | Edwards / Collins / Pilgrim | Pontiac GTO.R | TRG | 147 | 6:02:05.5340 | 133.2843 | | 3rd | GT | 1:59.0510 | 132 |
| 25th | 65 | Bunting / Lally / Valentine | Pontiac GTO.R | TRG | 147 | 6:02:05.7530 | 133.2827 | | 4th | GT | 1:58.6180 | 136 |
| 26th | 80 | Murry / Keen | Porsche 997 GT3 Cup | Shoes for Crews/Synergy Racing | 147 | 6:02:06.3820 | 133.2778 | | 5th | GT | 1:58.8500 | 132 |
| 27th | 66 | Pace / Lowe | Porsche 997 GT3 Cup | TRG | 146 | 6:01:29.8780 | 132.5955 | | 6th | GT | 1:59.7910 | 29 |
| 28th | 22 | Dumoulin / Longhi / Assentato | Porsche 996 GT3 Cup | Fiorano Racing | 146 | 6:02:08.3400 | 132.3605 | | 7th | GT | 1:59.0190 | 146 |
| 29th | 73 | Davis / Tafel | Porsche 997 GT3 Cup | Tafel Racing | 146 | 6:02:08.4510 | 132.3589 | | 8th | GT | 1:58.2210 | 134 |
| 30th | 74 | Lux / Espenlaub | Porsche 997 GT3 Cup | Tafel Racing | 145 | 6:02:36.5720 | 131.2822 | | 9th | GT | 1:59.7840 | 10 |
| 31st | 17 | Wilkins / Lacey / Wilkins | Porsche 997 GT3 Cup | SAMAX | 144 | 6:02:16.9460 | 130.4953 | | 10th | GT | 2:00.3900 | 18 |
| 32nd | 81 | Johnson / Nearn / Thornton | Porsche 997 GT3 Cup | Synergy Racing | 144 | 6:02:25.5290 | 130.4438 | | 11th | GT | 2:01.9060 | 132 |
| 33rd | 21 | Schultz / Connolly | BMW M3 | Matt Connolly Motorsports | 140 | 6:02:36.2940 | 126.7568 | | 12th | GT | 2:01.8660 | 128 |
| 34th | 12 | Fernandez / Haberfeld | Riley Mk XI Pontiac | Lowe's Fernandez Racing | 139 | 6:01:15.8620 | 126.3190 | | 22nd | DP | 1:47.3700 | 30 |
| 35th | 41 | Michaelian / Sahlen / Frost | Porsche 996 GT3 Cup | Team Sahlen | 133 | 6:00:50.5660 | 121.0082 | | 13th | GT | 2:08.0600 | 121 |
| 36th | 67 | Solley / Kroczek / Marden | Porsche 997 GT3 Cup | TRG | 131 | 6:00:49.9800 | 119.1912 | | 14th | GT | 2:06.7650 | 18 |
| 37th | 06 | Gaffney / Reese / Tolsma | Chevrolet Corvette | Banner Racing | 107 | 6:02:04.9940 | 97.0177 | | 15th | GT | 2:00.2120 | 107 |
| 38th | 46 | DeFontes / Baughman / Yeakle | Chevrolet Corvette | Michael Baughman Racing | 75 | 3:26:52.0070 | 119.0287 | DNF | 16th | GT | 2:04.7330 | 27 |
| 39th | 04 | Sigal / MacLeod | BMW M3 | Sigalsport BMW | 75 | 3:46:58.3000 | 108.4843 | DNF | 17th | GT | 2:02.0630 | 28 |
| 40th | 59 | France / Haywood / Christopher | Fabcar FDSC/03 Porsche | Brumos Racing | 70 | 2:58:47.1290 | 128.5415 | DNF | 23rd | DP | 1:49.9180 | 20 |
| 41st | 05 | Auberlen / Alhadeff / Hand | BMW M3 | Sigalsport BMW | 62 | 2:44:14.6810 | 123.9308 | DNF | 18th | GT | 2:00.4260 | 10 |
| 42nd | 27 | O'Connell / Speakman / Bowles | Porsche 996 GT3 Cup | Taleo Grill Racing | 55 | 2:27:24.9350 | 122.4888 | DNF | 19th | GT | 2:04.9580 | 28 |
| 43rd | 09 | Goad / Grégoire | Crawford DP03 Pontiac | Spirit of Daytona Racing | 27 | 1:10:18.1050 | 126.0889 | DNF | 24th | DP | 1:49.5990 | 21 |
| 44th | 16 | Dyson / Dyson / Smith | Crawford DP03 Pontiac | Howard - Boss Motorsports | 20 | 48:55.5500 | 134.2064 | DNF | 25th | DP | 1:49.6440 | 20 |
| 45th | 57 | Rice / Riggins / Cicero | Chevrolet Corvette | Stevenson Motorsports | 18 | 47:52.9980 | 123.4141 | DNF | 20th | GT | 2:00.5710 | 18 |
| 46th | 35 | Pumpelly / Angelone | Porsche 996 GT3 Cup | TPC Racing | 5 | 3:42:19.2220 | 7.3837 | DNF | 21st | GT | 2:04.7860 | 2 |