| 1st | 01 | Pruett / Rojas / Rahal / Hand | Riley Mk XX BMW | Chip Ganassi Racing with Felix Sabates | 721 | 24:00:57.957 | 172.0019 | | 1st | DP | 1:40.9360 | 11 |
| 2nd | 02 | Dixon / Montoya / Franchitti / McMurray | Riley Mk XX BMW | Chip Ganassi Racing with Felix Sabates | 721 | 24:01:00.383 | 171.9970 | | 2nd | DP | 1:41.3280 | 525 |
| 3rd | 9 | France / Barbosa / Borcheller / Fittipaldi / Papis | Riley Mk XI Porsche | Action Express Racing | 721 | 24:01:01.007 | 171.9954 | | 3rd | DP | 1:41.9130 | 682 |
| 4th | 23 | Brundle / Brown / Patterson / Blundell | Riley Mk XX Ford | United Autosports with Michael Shank Racing | 721 | 24:01:01.709 | 171.9938 | | 4th | DP | 1:41.5490 | 413 |
| 5th | 10 | Angelelli / Taylor / Briscoe | Dallara DP01 Chevrolet | SunTrust Racing | 720 | 24:01:00.108 | 171.7589 | | 5th | DP | 1:41.0840 | 182 |
| 6th | 76 | Krohn / Jönsson / Zonta / Minassian | Lola B08/70 Ford | Krohn Racing | 720 | 24:01:06.409 | 171.7460 | | 6th | DP | 1:41.9410 | 516 |
| 7th | 6 | Allmendinger / McDowell / Wilson | Dallara DP01 Ford | Michael Shank Racing with Curb/ Agajanian | 719 | 24:01:04.449 | 171.5110 | | 7th | DP | 1:41.8320 | 187 |
| 8th | 55 | Tucker / Diaz / Bouchut / Wilkins | Riley Mk XX BMW | Level 5 Motorsports | 718 | 24:01:00.652 | 171.2809 | | 8th | DP | 1:42.0650 | 705 |
| 9th | 5 | Law / Donohue / Rice / Frisselle | Riley Mk XI Porsche | Action Express Racing | 717 | 24:01:06.927 | 171.0298 | | 9th | DP | 1:41.7920 | 316 |
| 10th | 60 | Pew / Negri / Goossens / Valiante | Riley Mk XX Ford | Michael Shank Racing | 706 | 24:01:05.846 | 168.4082 | | 10th | DP | 1:41.5270 | 131 |
| 11th | 95 | Tucker / Hunter-Reay / Westbrook / Matos | Riley Mk XX BMW | Level 5 Motorsports | 703 | 24:01:07.429 | 167.6888 | | 11th | DP | 1:41.6560 | 637 |
| 12th | 67 | Pumpelly / Bertheau / Gaughan / Henzler / Lally | Porsche 997 GT3 Cup | TRG | 685 | 24:01:27.293 | 163.3581 | | 1st | GT | 1:49.4410 | 476 |
| 13th | 48 | Miller / Sugden / Bell / Sellers | Porsche 997 GT3 Cup | Paul Miller Racing | 684 | 24:01:31.027 | 163.1118 | | 2nd | GT | 1:49.7400 | 471 |
| 14th | 40 | Foster / Dempsey / Espenlaub / Long | Mazda RX-8 | Dempsey Racing | 681 | 24:01:30.414 | 162.3973 | | 3rd | GT | 1:50.4130 | 473 |
| 15th | 99 | Gurney / Fogarty / Johnson | Riley Mk XX Chevrolet | GAINSCO/Bob Stallings Racing | 678 | 24:01:05.140 | 161.9322 | | 12th | DP | 1:41.5700 | 359 |
| 16th | 44 | Potter / Holzer / Stanton / Lietz | Porsche 997 GT3 Cup | Magnus Racing | 675 | 24:01:32.513 | 160.9634 | | 4th | GT | 1:49.3350 | 71 |
| 17th | 59 | Haywood / Davis / Keen / Lieb | Porsche 997 GT3 Cup | Brumos Racing | 673 | 24:01:31.407 | 160.4886 | | 5th | GT | 1:49.8680 | 371 |
| 18th | 70 | Edwards / Christodoulou / Tremblay / Bomarito | Mazda RX-8 | SpeedSource | 670 | 24:01:31.868 | 159.7725 | | 6th | GT | 1:50.1400 | 451 |
| 19th | 42 | Nonnamaker / Nonnamaker / Nonnamaker / Gidley | Mazda RX-8 | Team Sahlen | 661 | 24:01:33.183 | 157.6240 | | 7th | GT | 1:50.9690 | 11 |
| 20th | 4 | Eversley / Graeff / Wallace / Yarab, Jr. / Zahn | Porsche 997 GT3 Cup | TRG | 659 | 24:01:26.705 | 157.1589 | | 8th | GT | 1:50.7000 | 239 |
| 21st | 18 | Thomas / Ludwig / von Moltke / Friedman | Porsche 997 GT3 Cup | Muehlner Motorsport | 655 | 24:01:21.241 | 156.2142 | | 9th | GT | 1:51.3280 | 523 |
| 22nd | 45 | Bergmeister / Van Overbeek / Neiman / Long | Riley Mk XI Porsche | Flying Lizard Motorsports | 654 | 22:24:54.361 | 167.1610 | DNF | 13th | DP | 1:40.4170 | 22 |
| 23rd | 41 | Gue / Cameron / James / Lacey | Mazda RX-8 | Dempsey Racing | 650 | 24:01:21.764 | 155.0217 | | 10th | GT | 1:50.9550 | 69 |
| 24th | 90 | Garcia / Edwards / Maassen | Coyote CC/09 Chevrolet | Spirit of Daytona Racing | 649 | 23:50:22.098 | 155.9728 | DNF | 14th | DP | 1:41.8480 | 36 |
| 25th | 47 | Earnhardt / Monroe / Harrington / Hull / Sandberg | Porsche 997 GT3 Cup | Rick Ware Racing | 635 | 24:01:29.118 | 151.4312 | | 11th | GT | 1:55.1500 | 165 |
| 26th | 57 | Liddell / Bremer / Magnussen | Chevrolet Camaro GT.R | Stevenson Motorsports | 629 | 24:01:22.711 | 150.0102 | | 12th | GT | 1:49.5650 | 415 |
| 27th | 66 | Farnbacher / George, Jr. / Luhr / Keating | Porsche 997 GT3 Cup | TRG | 612 | 21:40:37.038 | 161.7536 | DNF | 13th | GT | 1:49.7360 | 467 |
| 28th | 88 | Taylor / Lester / O'Connell / Marsh | Chevrolet Camaro GT.R | Autohaus Motorsports | 607 | 24:01:34.024 | 144.7444 | | 14th | GT | 1:49.9010 | 399 |
| 29th | 81 | Wagner / Poordad / Baron / Jones | Ferrari F430 Challenge | DragonSpeed | 588 | 24:01:24.547 | 140.2302 | | 15th | GT | 1:53.4640 | 160 |
| 30th | 54 | Bleekemolen / Pappas / Pilet / Sofronas | Porsche 997 GT3 Cup | TRG/Black Swan Racing/GMG Racing | 578 | 21:18:15.444 | 155.4385 | DNF | 16th | GT | 1:50.0200 | 281 |
| 31st | 2 | Popow / Potolicchio / Iannetta / Viso | Riley Mk XI Ford | Starworks Motorsport | 577 | 24:01:28.089 | 137.6005 | | 15th | DP | 1:42.1450 | 505 |
| 32nd | 94 | Auberlen / Said / Dalla Lana / Plumb | BMW M3 | Turner Motorsport | 565 | 24:01:23.207 | 134.7471 | | 17th | GT | 1:49.4790 | 90 |
| 33rd | 8 | Forest / Dalziel / Lowe / Braun / Enge | Riley Mk XX Ford | Starworks Motorsport | 552 | 19:10:47.859 | 164.8886 | DNF | 16th | DP | 1:41.5780 | 12 |
| 34th | 63 | Grupp / Murry / Downing / Trinkler | Mazda RX-8 | Team Spencer Motorsports | 544 | 24:01:35.864 | 129.7196 | | 18th | GT | 1:54.1470 | 128 |
| 35th | 65 | Sweedler / Lewis / Sheehan / Pagerey | Porsche 997 GT3 Cup | Chris Smith Racing | 495 | 24:01:16.549 | 118.0615 | | 19th | GT | 1:50.4440 | 8 |
| 36th | 30 | Rettich / Jensen / Marsal / Jensen / Buford | Mazda RX-8 | Racers Edge Motorsports | 453 | 18:14:08.305 | 142.3239 | DNF | 20th | GT | 1:53.9350 | 24 |
| 37th | 53 | Michaelian / Doyle / Mulligan / Castellano / Dobson | Porsche 997 GT3 Cup | TRG/Nadeau Motorsports | 423 | 24:01:28.557 | 100.8753 | | 21st | GT | 1:51.2010 | 217 |
| 38th | 32 | Cheng / Papadopoulos / Lewis / Hyatt | BMW M6 | PR1 Motorsports | 402 | 18:06:31.186 | 127.1865 | DNF | 22nd | GT | 1:50.8250 | 13 |
| 39th | 07 | Ledoux / Curran / Schaldach / Gavin | Chevrolet Camaro GT.R | Banner Racing | 398 | 16:32:02.940 | 137.9111 | DNF | 23rd | GT | 1:50.1130 | 324 |
| 40th | 17 | Burtin / Ragginger / Tandy / Armindo | Porsche 997 GT3 Cup | Burtin Racing | 378 | 13:46:03.064 | 157.3021 | DNF | 24th | GT | 1:49.4810 | 209 |
| 41st | 22 | O'Young / Walker / Wong / Lux | Porsche 997 GT3 Cup | Bullet Racing | 328 | 11:35:48.051 | 162.0465 | DNF | 25th | GT | 1:51.0280 | 223 |
| 42nd | 77 | Frisselle / Richard / Bell / Kaiser | Dallara DP01 Ford | Doran Racing | 312 | 11:28:17.751 | 155.8215 | DNF | 17th | DP | 1:42.4100 | 12 |
| 43rd | 56 | Skeen / Dumoulin / Davidson / Geddie / Harrington | Ferrari F430 Challenge | Bennett Racing | 286 | 24:01:29.812 | 68.2024 | | 26th | GT | 1:53.1290 | 66 |
| 44th | 7 | Peterson / Valentine / Beyer / Mayer / Heylen | Riley Mk XX Ford | Starworks Motorsport | 215 | 8:46:53.233 | 140.2720 | DNF | 18th | DP | 1:42.7620 | 15 |
| 45th | 69 | Assentato / Segal / Ham / Lazzaro | Mazda RX-8 | SpeedSource | 202 | 9:45:30.408 | 118.5958 | DNF | 27th | GT | 1:51.0750 | 12 |
| 46th | 43 | Sahlen | Mazda RX-8 | Team Sahlen | 124 | 19:08:32.271 | 37.1131 | DNF | 15th | GT | 1:52.9830 | 10 |
| 47th | 36 | Hacquard / Cumming / Miller / Marks | Mazda RX-8 | Yellow Dragon Motorsports | 122 | 4:20:09.199 | 161.2064 | DNF | 29th | GT | 1:52.9190 | 11 |
| 48th | 86 | Atterbury / MacNeil / Pobst / Whitis | Porsche 997 GT3 Cup | Mitchum Motorsports | 121 | 6:34:04.754 | 105.5488 | DNF | 30th | GT | 1:52.3300 | 21 |