| 1st | 9 | Barbosa / Rockenfeller / Borcheller / Dalziel | Riley Mk XI Porsche | Action Express Racing | 755 | 24:00:47.762 | 4325.5952 kms | 180.1339 | | 1st | DP | 1:41.7220 | 581 |
| 2nd | 01 | Pruett / Rojas / Wilson / Papis | Riley Mk XX BMW | Chip Ganassi Racing with Felix Sabates | 755 | 24:01:40.065 | | 180.0244 | | 2nd | DP | 1:41.6060 | 694 |
| 3rd | 95 | Tucker / Hunter-Reay / Luhr / Westbrook | Riley Mk XX BMW | Crown Royal/NPN Racing | 751 | 24:02:06.765 | | 179.0154 | | 3rd | DP | 1:42.1610 | 568 |
| 4th | 75 | Krohn / Jönsson / Zonta / Braun | Lola B08/70 Ford | Krohn Racing | 735 | 24:02:10.023 | | 175.1948 | | 4th | DP | 1:42.8140 | 295 |
| 5th | 60 | Pew / Negri / Frisselle / Wilkins | Riley Mk XX Ford | Michael Shank Racing | 726 | 24:02:20.924 | | 173.0286 | | 5th | DP | 1:42.0230 | 607 |
| 6th | 10 | Taylor / Lamy / Angelelli / Taylor | Dallara DP01 Ford | SunTrust Racing | 711 | 24:00:48.478 | | 169.6345 | | 6th | DP | 1:41.1010 | 441 |
| 7th | 6 | Patterson / Valiante / Allmendinger / Frisselle | Riley Mk XX Ford | Michael Shank Racing | 707 | 22:39:40.828 | | 178.7450 | DNF | 7th | DP | 1:41.6950 | 685 |
| 8th | 70 | Haskell / Tremblay / Ham / Bomarito | Mazda RX-8 | SpeedSource | 707 | 24:02:35.507 | | 168.4710 | | 1st | GT | 1:50.3960 | 546 |
| 9th | 67 | Bergmeister / Van Overbeek / Neiman / Long | Porsche 997 GT3 Cup | TRG/ Flying Lizard Motorsports | 703 | 24:01:09.079 | | 167.6856 | | 2nd | GT | 1:49.9750 | 680 |
| 10th | 66 | Ballou / Collins / Flanagan / Henzler / Lally | Porsche 997 GT3 Cup | TRG | 691 | 24:02:21.986 | | 164.6842 | | 3rd | GT | 1:50.2250 | 532 |
| 11th | 57 | Liddell / Davis / Magnussen | Chevrolet Camaro GT.R | Stevenson Motorsports | 683 | 24:01:25.053 | | 162.8849 | | 4th | GT | 1:50.5400 | 638 |
| 12th | 44 | Potter / Stanton / Lietz | Porsche 997 GT3 Cup | Magnus Racing | 683 | 24:02:04.909 | | 162.8093 | | 5th | GT | 1:50.5230 | 526 |
| 13th | 40 | Foster / Espenlaub / Maxwell | Mazda RX-8 | Dempsey Racing | 682 | 24:01:26.462 | | 162.6435 | | 6th | GT | 1:50.6160 | 569 |
| 14th | 43 | Sahlen / Nonnamaker / Nonnamaker / Nonnamaker | Mazda RX-8 | Team Sahlen | 682 | 24:01:28.736 | | 162.6403 | | 7th | GT | 1:52.6210 | 679 |
| 15th | 94 | Auberlen / Said / Dalla Lana / Hand | BMW M6 | Turner Motorsport | 675 | 24:01:33.129 | | 160.9618 | | 8th | GT | 1:50.7600 | 622 |
| 16th | 71 | George, Jr. / Pumpelly / Bernhard / Dumas / Labonte | Porsche 997 GT3 Cup | TRG | 668 | 24:00:59.921 | | 159.3540 | | 9th | GT | 1:50.5190 | 392 |
| 17th | 97 | Schaldach / Borkowski / Bell / Refenning | Chevrolet Camaro GT.R | Stevenson Motorsports | 661 | 24:01:07.656 | | 157.6707 | | 10th | GT | 1:52.3510 | 346 |
| 18th | 32 | Finlay / Westphal / Hyatt / Merrill | BMW M6 | Corsa Team PR1 | 657 | 24:02:16.824 | | 156.5908 | | 11th | GT | 1:50.4910 | 626 |
| 19th | 23 | Burtin / Baldwin / Pagerey / Ragginger / Farnbacher | Porsche 997 GT3 Cup | Alex Job Racing | 656 | 24:02:44.407 | | 156.3027 | | 12th | GT | 1:50.2960 | 564 |
| 20th | 22 | Bentley / McIntosh / Nierop / O'Young | Porsche 997 GT3 Cup | Bullet Racing | 632 | 24:01:56.009 | | 150.6684 | | 13th | GT | 1:52.5820 | 354 |
| 21st | 99 | Gurney / Fogarty / Vasser / Johnson | Riley Mk XX Chevrolet | GAINSCO/Bob Stallings Racing | 630 | 20:34:56.911 | | 175.3638 | DNF | 8th | DP | 1:42.5840 | 365 |
| 22nd | 41 | Gue / Keen / Kitch / Lacey | Mazda RX-8 | Dempsey Racing/Team Seattle | 620 | 24:02:18.290 | | 147.7700 | | 14th | GT | 1:50.2990 | 436 |
| 23rd | 55 | Tucker / Collard / Bouchut / Maassen | Riley Mk XX BMW | Crown Royal/NPN Racing | 619 | 21:36:15.902 | | 164.1531 | DNF | 9th | DP | 1:41.7520 | 488 |
| 24th | 77 | Gidley / Jaeger / Gollin / Johnston | Dallara DP01 Ford | Doran Racing | 612 | 24:01:48.179 | | 145.9128 | | 10th | DP | 1:43.0180 | 509 |
| 25th | 14 | Thomas / Graeff / Yarab, Jr. / Gatlin | Porsche 997 GT3 Cup | Autometrics Motorsports | 611 | 24:02:00.816 | | 145.6537 | | 15th | GT | 1:52.4480 | 445 |
| 26th | 59 | Law / Donohue / Haywood / Matos | Riley Mk XI Porsche | Brumos Racing | 582 | 19:50:18.075 | | 168.0799 | DNF | 11th | DP | 1:41.3940 | 379 |
| 27th | 7 | Lester / Forest / von Moltke / James | Riley Mk XI BMW | Starworks Motorsport | 549 | 18:53:53.446 | | 166.4368 | DNF | 12th | DP | 1:43.2070 | 512 |
| 28th | 69 | Assentato / Segal / Longhi / Lazzaro | Mazda RX-8 | SpeedSource | 488 | 16:56:41.392 | | 164.9996 | DNF | 16th | GT | 1:50.9890 | 214 |
| 29th | 88 | Willsley / Papadopoulos / Baker / Mowlem / Cosmo | Porsche 997 GT3 Cup | Orbit Racing | 444 | 16:03:43.580 | | 158.3723 | DNF | 17th | GT | 1:51.2840 | 250 |
| 30th | 48 | Miller / Ludwig / Roush | Porsche 997 GT3 Cup | Miller Barrett Racing | 411 | 18:54:55.620 | | 124.4876 | DNF | 18th | GT | 1:51.3390 | 211 |
| 31st | 18 | Ledoux / Quinlan / Sheehan / Doyle / Watkins | Porsche 997 GT3 Cup | TRG/Guardian Angel | 386 | 14:24:58.759 | | 153.4027 | DNF | 19th | GT | 1:56.8930 | 380 |
| 32nd | 90 | Garcia / Manning / Rice / Menard | Coyote CC/09 Porsche | Spirit of Daytona Racing | 346 | 11:49:34.482 | | 167.6212 | DNF | 13th | DP | 1:43.6990 | 266 |
| 33rd | 63 | Brown / Villeneuve / Richard / Thomas / Dean | Porsche 997 GT3 Cup | TRG | 335 | 24:01:28.241 | | 79.8894 | | 20th | GT | 1:52.1710 | 248 |
| 34th | 2 | Kapudija / Cameron / Beyer / Lueders / Wagner | Crawford DP03 Chevrolet | Beyer Racing | 319 | 14:40:03.264 | | 124.6035 | DNF | 14th | DP | 1:45.6310 | 165 |
| 35th | 19 | Breslin / Breslin / Romanini / Romagnoli / Vinkemulder | Chevrolet Corvette | MCM/Black Flag Racing | 316 | 20:04:26.956 | | 90.1876 | DNF | 21st | GT | 1:55.3270 | 182 |
| 36th | 20 | Slingerland / Palttala / Menten / Lapierre | Porsche 997 GT3 Cup | Matt Connolly Motorsports | 276 | 13:30:08.455 | | 117.1120 | DNF | 22nd | GT | 1:53.9200 | 199 |
| 37th | 02 | Dixon / Montoya / Franchitti / McMurray | Riley Mk XX BMW | Chip Ganassi Racing with Felix Sabates | 249 | 8:29:58.191 | | 167.8433 | DNF | 15th | DP | 1:42.5300 | 181 |
| 38th | 07 | Edwards / Jones / Russell / McCutchen | Chevrolet Corvette | Banner Racing | 201 | 9:19:47.772 | | 123.4286 | DNF | 23rd | GT | 1:51.2170 | 199 |
| 39th | 21 | Steuer / Rosa / Trenery / Briody | Pontiac GTO.R | Matt Connolly Motorsports | 153 | 24:01:53.786 | | 36.4758 | | 24th | GT | 1:54.8220 | 107 |
| 40th | 46 | Lewis / Zahn / Iannetta | Pontiac GXP.R | Autohaus Motorsports | 125 | 4:38:22.740 | | 154.3554 | DNF | 25th | GT | 1:54.4660 | 97 |
| 41st | 52 | Michaelian / Schmidt / Castellano | Ferrari F430 Challenge | Wil Mar Racing | 112 | 10:43:13.961 | | 59.8547 | DNF | 26th | GT | 1:55.3730 | 64 |
| 42nd | 64 | Sugden | Porsche 997 GT3 Cup | JLowe Racing | 100 | 3:43:42.918 | | 153.6569 | DNF | 27th | GT | 1:54.5590 | 87 |
| 43rd | 30 | Taylor / Lamb | Mazda RX-8 | Racers Edge Motorsports | 69 | 2:41:55.781 | | 146.4777 | DNF | 28th | GT | 1:55.4090 | 69 |
| 44th | 42 | Sahlen | Mazda RX-8 | Team Sahlen | 27 | 1:10:39.381 | | 131.3595 | DNF | 29th | GT | 2:09.5480 | 22 |