| 1st | 60 | Pew / Negri / Allmendinger / Wilson | Riley Mk XXVI Ford | Michael Shank Racing with Curb-Agajanian | 761 | 24:00:36.793 | 181.5887 | | 1st | DP | 1:41.4730 | 486 | 126.3000 |
| 2nd | 8 | Potolicchio / Popow / Dalziel / Luhr / McNish | Riley Mk XXVI Ford | Starworks Motorsport | 761 | 24:00:41.991 | 181.5775 | | 2nd | DP | 1:41.4700 | 497 | 126.3030 |
| 3rd | 6 | McDowell / Nasr / Goncalvez / Yacaman | Riley Mk XX Ford | Michael Shank Racing with Curb-Agajanian | 761 | 24:01:26.232 | 181.4841 | | 3rd | DP | 1:42.0760 | 528 | 125.5540 |
| 4th | 02 | Dixon / Montoya / Franchitti / McMurray | Riley Mk XXVI BMW | Chip Ganassi Racing with Felix Sabates | 760 | 24:01:46.128 | 181.2041 | | 4th | DP | 1:42.1190 | 259 | 125.5010 |
| 5th | 5 | Law / Donohue / Fittipaldi | Chevrolet Corvette DP | Action Express Racing | 758 | 24:01:04.008 | 180.8146 | | 5th | DP | 1:42.6400 | 438 | 124.8640 |
| 6th | 01 | Pruett / Rojas / Rahal / Hand | Riley Mk XXVI BMW | Chip Ganassi Racing with Felix Sabates | 757 | 24:01:59.474 | 180.4606 | | 6th | DP | 1:41.9730 | 703 | 125.6800 |
| 7th | 77 | Frisselle / Lowe / Frisselle / Tracy / Johnson | Dallara DP01 Ford | Doran Racing | 748 | 24:00:59.603 | 178.4392 | | 7th | DP | 1:42.7300 | 408 | 124.7540 |
| 8th | 90 | Garcia / Westbrook / Gavin / Magnussen | Chevrolet Corvette DP | Spirit of Daytona Racing | 746 | 24:02:00.274 | 177.8373 | | 8th | DP | 1:42.6040 | 493 | 124.9070 |
| 9th | 9 | France / Barbosa / Borcheller / Papis | Chevrolet Corvette DP | Action Express Racing | 739 | 24:01:52.231 | 176.1845 | | 9th | DP | 1:42.3700 | 345 | 125.1930 |
| 10th | 2 | Valiante / Hunter-Reay / Andretti / Mayer | Riley Mk XX Ford | Starworks Motorsport | 736 | 24:01:33.674 | 175.5070 | | 10th | DP | 1:42.1000 | 687 | 125.5240 |
| 11th | 44 | Potter / Lally / Rast / Lietz | Porsche 997 GT3 Cup | Magnus Racing | 727 | 24:01:50.669 | 173.3263 | | 1st | GT | 1:48.5820 | 529 | 118.0310 |
| 12th | 67 | Pumpelly / Bertheau / Goossens / Henzler / Bleekemolen | Porsche 997 GT3 Cup | TRG | 727 | 24:02:00.081 | 173.3087 | | 2nd | GT | 1:48.7670 | 469 | 117.8300 |
| 13th | 59 | Keen / Davis / Haywood / Lieb | Porsche 997 GT3 Cup | Brumos Racing | 726 | 24:00:53.037 | 173.2040 | | 3rd | GT | 1:48.6700 | 66 | 117.9350 |
| 14th | 57 | Liddell / Edwards / Bremer | Chevrolet Camaro GT.R | Stevenson Motorsports | 726 | 24:01:08.724 | 173.1718 | | 4th | GT | 1:49.0960 | 215 | 117.4750 |
| 15th | 63 | Vilander / Bertolini / Beretta | Ferrari 458 Italia | Risi Competizione with American Canadian | 726 | 24:01:29.120 | 173.1316 | | 5th | GT | 1:48.8860 | 385 | 117.7010 |
| 16th | 70 | Hinchcliffe / Tremblay / Bomarito / Franchitti | Mazda RX-8 | SpeedSource | 722 | 24:01:29.916 | 172.1757 | | 6th | GT | 1:50.1200 | 429 | 116.3820 |
| 17th | 66 | Farnbacher / Keating / Pilet / Simonsen | Porsche 997 GT3 Cup | TRG | 721 | 24:01:42.169 | 171.9133 | | 7th | GT | 1:49.0380 | 352 | 117.5370 |
| 18th | 69 | Assentato / Segal / Longhi / Lazzaro | Ferrari 458 Italia | AIM Autosport Team FXDD with Ferrari | 716 | 24:01:00.841 | 170.8029 | | 8th | GT | 1:49.0290 | 495 | 117.5470 |
| 19th | 76 | Krohn / Jönsson / Zonta / Braun | Lola B08/70 Ford | Krohn Racing | 713 | 24:01:33.937 | 170.0224 | | 11th | DP | 1:42.0670 | 345 | 125.5650 |
| 20th | 88 | Taylor / Edwards / Marsh / Milner | Chevrolet Camaro GT.R | Autohaus Motorsports | 713 | 24:01:58.627 | 169.9741 | | 9th | GT | 1:48.9490 | 400 | 117.6330 |
| 21st | 40 | Foster / Dempsey / Long / Espenlaub / Putman | Mazda RX-8 | Dempsey Racing | 713 | 24:02:00.085 | 169.9709 | | 10th | GT | 1:51.0700 | 290 | 115.3870 |
| 22nd | 32 | Armindo / Lewis / Curtis / Sofronas | Porsche 997 GT3 Cup | Orbit/GMG | 713 | 24:02:08.747 | 169.9532 | | 11th | GT | 1:49.0270 | 473 | 117.5490 |
| 23rd | 42 | Nonnamaker / Cameron / Nonnamaker / Nonnamaker | Mazda RX-8 | Team Sahlen | 711 | 24:00:39.096 | 169.6522 | | 12th | GT | 1:49.5040 | 438 | 117.0370 |
| 24th | 03 | Sharp / Brown / Van Overbeek / Cosmo | Ferrari 458 Italia | Extreme Speed Motorsports | 707 | 24:01:47.250 | 168.5659 | | 13th | GT | 1:49.1480 | 385 | 117.4190 |
| 25th | 24 | Faieta / Wagner / Avenatti / Sweedler / Poordad | Porsche 997 GT3 Cup | Alex Job Racing | 707 | 24:01:58.990 | 168.5418 | | 14th | GT | 1:50.4560 | 481 | 116.0280 |
| 26th | 45 | Bergmeister / Long / Rockenfeller / Neiman | Porsche 997 GT3 Cup | Flying Lizard Motorsports with Wright Motorsports | 706 | 24:01:45.609 | 168.3293 | | 15th | GT | 1:49.1120 | 424 | 117.4570 |
| 27th | 93 | Auberlen / Müller / Marsal / Dalla Lana / Werner | BMW M3 | Turner Motorsport | 691 | 24:00:39.836 | 164.8789 | | 16th | GT | 1:49.4530 | 332 | 117.0910 |
| 28th | 23 | MacNeil / Collard / Leitzinger / Holzer | Porsche 997 GT3 Cup | Alex Job Racing | 689 | 24:00:59.876 | 164.3639 | | 17th | GT | 1:48.4100 | 492 | 118.2180 |
| 29th | 26 | Edwards / Kauffmann / Cisneros / Tandy | Porsche 997 GT3 Cup | NGT Motorsport | 688 | 24:01:54.441 | 164.0211 | | 18th | GT | 1:49.1570 | 343 | 117.4090 |
| 30th | 64 | Ardagna / Costabal / Di Guida / Salazar / Orjuela | Porsche 997 GT3 Cup | TRG | 688 | 24:02:20.046 | 163.9728 | | 19th | GT | 1:52.0560 | 285 | 114.3710 |
| 31st | 22 | Blaylock / O'Young / Roush / White / Van Blankers | Porsche 997 GT3 Cup | Bullet Racing | 681 | 24:02:28.788 | 162.2879 | | 20th | GT | 1:51.4040 | 211 | 115.0410 |
| 32nd | 50 | Defoor / Forbes-Robinson / Johnson / Pace / de Quesada | Riley Mk XI BMW | 50+Predator/Alegra | 672 | 24:01:55.708 | 160.2054 | | 12th | DP | 1:44.1270 | 68 | 123.0800 |
| 33rd | 99 | Gurney / Fogarty / Gidley | Chevrolet Corvette DP | GAINSCO/Bob Stallings Racing | 672 | 24:02:00.457 | 160.1957 | | 13th | DP | 1:41.8910 | 406 | 125.7810 |
| 34th | 82 | Fergus / Greer / Finger / Hotchkis / Trinkler | Porsche 997 GT3 Cup | Dick Greer Racing | 665 | 24:02:30.966 | 158.4721 | | 21st | GT | 1:51.1410 | 439 | 115.3130 |
| 35th | 56 | Kauffman / Waltrip / Pastrana / Aguas | Ferrari 458 Italia | AF - Waltrip | 645 | 24:02:12.478 | 153.7390 | | 22nd | GT | 1:49.0330 | 411 | 117.5420 |
| 36th | 65 | Cox / Hedlund / McCarthy / Michaelian / Castellano | Porsche 997 GT3 Cup | TRG | 643 | 24:01:07.523 | 153.3769 | | 23rd | GT | 1:52.8680 | 471 | 113.5490 |
| 37th | 68 | Cumming / Keating / Faulkner / Gomez / Estre | Porsche 997 GT3 Cup | TRG | 640 | 24:01:45.739 | 152.5932 | | 24th | GT | 1:49.1890 | 346 | 117.3740 |
| 38th | 55 | Grunnet / Del Vecchio / McKee / Pobst / Kester | Porsche 997 GT3 Cup | Acumen Motorsport | 626 | 22:29:11.419 | 159.4973 | Gearbox | 25th | GT | 1:51.0430 | 369 | 115.4150 |
| 39th | 18 | Thomas / Lester / McCutchen / Jones | Porsche 997 GT3 Cup | Muehlner Motorsports | 609 | 24:02:34.153 | 145.1210 | | 26th | GT | 1:52.1160 | 457 | 114.3100 |
| 40th | 41 | Kitch / Rogers / Johnson / Maxwell / James | Mazda RX-8 | Dempsey Racing | 608 | 24:02:02.679 | 144.9359 | | 27th | GT | 1:52.1780 | 384 | 114.2470 |
| 41st | 12 | Rettich / Miller / Prewitt / Schneider / Shoff | Porsche 997 GT3 Cup | Alliance Autosport | 604 | 24:01:58.634 | 143.9880 | | 28th | GT | 1:51.7140 | 56 | 114.7220 |
| 42nd | 19 | Whitis / O'Doski / Nater / Dollahite / Seefried | Porsche 997 GT3 Cup | Muehlner Motorsports America | 599 | 24:02:08.671 | 142.7810 | | 29th | GT | 1:51.2350 | 5 | 115.2160 |
| 43rd | 75 | Carter / Plumb / Bell / Curran | Chevrolet Camaro GT.R | Stevenson Motorsports | 577 | 20:09:36.010 | 163.9777 | DNF | 30th | GT | 1:49.7200 | 481 | 116.8060 |
| 44th | 51 | Pirro / Baas / Canache / von Moltke / Norman | Audi R8 Grand-Am | APR Motorsport | 447 | 24:02:29.995 | 106.5225 | | 31st | GT | 1:50.6600 | 138 | 115.8140 |
| 45th | 74 | Al Masaood / Kane / Al Mehairi | Audi R8 Grand-Am | Oryx Racing | 432 | 24:02:31.199 | 102.9465 | | 32nd | GT | 1:49.4350 | 142 | 117.1110 |
| 46th | 17 | Ragginger / Baldwin / Burtin / Sellers / Asch | Porsche 997 GT3 Cup | Burtin Racing | 424 | 23:36:19.032 | 102.9095 | DNF | 33rd | GT | 1:49.0620 | 224 | 117.5110 |
| 47th | 20 | Murry / Schaldach / Engstler / Buford | Porsche 997 GT3 Cup | Liqui Moly Team Englster/Mitchum Motorsports Porsche | 416 | 17:47:30.885 | 133.9586 | Mechanical | 34th | GT | 1:51.2180 | 68 | 115.2330 |
| 48th | 34 | DeFontes / Konôpka / Fogg / Vonka / Van De Laar | Porsche 997 GT3 Cup | Orbit/GMG | 383 | 15:48:22.879 | 138.8252 | Transmission | 35th | GT | 1:53.8270 | 21 | 112.5920 |
| 49th | 4 | Yarab, Jr. / Graeff / Eversley / Bell | Porsche 997 GT3 Cup | Magnus Racing | 310 | 24:02:03.828 | 73.8979 | | 36th | GT | 1:50.2010 | 172 | 116.2970 |
| 50th | 36 | Hacquard / Andretti / Krohn / Andretti | Mazda RX-8 | Yellow Dragon Motorsports | 270 | 11:11:23.151 | 138.2426 | DNF | 37th | GT | 1:52.6380 | 229 | 113.7800 |
| 51st | 15 | Earnhardt / Cook / Harrington / Hill / Ware | Ford Mustang GT | Rick Ware Racing | 256 | 10:09:37.670 | 144.3533 | Rear end | 38th | GT | 1:51.3240 | 35 | 115.1230 |
| 52nd | 48 | Miller / Maassen / Bell / Wilkins | Porsche 997 GT3 Cup | Paul Miller Racing | 224 | 8:40:13.964 | 148.0130 | Gearbox | 39th | GT | 1:49.3070 | 106 | 117.2480 |
| 53rd | 46 | Mason / Fumal / Baughman / Nowicki / Breukers | Chevrolet Corvette | Michael Baughman Racing | 172 | 11:21:46.039 | 86.7243 | DNF | 40th | GT | 1:55.8140 | 36 | 110.6600 |
| 54th | 62 | Matos / Bruni | Ferrari 458 Italia | Risi Competizione | 154 | 5:15:58.197 | 167.5424 | Engine | 41st | GT | 1:49.6350 | 142 | 116.8970 |
| 55th | 87 | Valverde / Soulet / Heylen / Ave | Dodge Viper | Racers Edge Motorsports | 101 | 8:25:42.931 | 68.6546 | Electrics | 42nd | GT | 1:51.3060 | 82 | 115.1420 |
| 56th | 94 | Said / Johnson / Dalla Lana | BMW M3 | Turner Motorsport | 86 | 3:09:10.681 | 156.2705 | Engine | 43rd | GT | 1:50.5330 | 34 | 115.9470 |
| 57th | 43 | Nonnamaker | Mazda RX-8 | Team Sahlen | 21 | 40:21.931 | 178.8383 | Withdrawn | 44th | GT | 1:53.1870 | 3 | 113.2290 |
| 58th | 10 | Angelelli | Chevrolet Corvette DP | SunTrust Racing | 14 | 29:55.123 | 160.8555 | Engine | 14th | DP | 1:43.0570 | 3 | 124.3580 |