| 1st | 91 | Matthews / Goossens / Hunter-Reay | Riley Mk XI Pontiac | Riley-Matthews Motorsports | 139 | 6:51:46.509 | 146.2218 | | 1st | DP | 2:42.0690 | 83 |
| 2nd | 11 | Szekeres / Dalziel / Enge | Riley Mk XI Pontiac | SAMAX | 139 | 6:51:47.789 | 146.2153 | | 2nd | DP | 2:42.7180 | 131 |
| 3rd | 75 | Jönsson / Braun | Riley Mk XI Pontiac | Krohn Racing | 139 | 6:51:48.229 | 146.2121 | | 3rd | DP | 2:42.4410 | 21 |
| 4th | 3 | Lewis / Lux | Riley Mk XI Lexus | Southard Motorsports | 139 | 6:52:01.428 | 146.1349 | | 4th | DP | 2:43.4380 | 55 |
| 5th | 23 | Bergmeister / Rockenfeller / Long | Crawford DP03 Porsche | Alex Job Racing | 139 | 6:52:06.591 | 146.1043 | | 5th | DP | 2:42.5250 | 20 |
| 6th | 59 | France / Haywood / Borcheller | Riley Mk XI Porsche | Brumos Porsche/Kendall | 139 | 6:52:07.280 | 146.0995 | | 6th | DP | 2:43.3160 | 106 |
| 7th | 6 | Pew / James / Zogaib | Riley Mk XI Lexus | Michael Shank Racing | 139 | 6:52:21.234 | 146.0174 | | 7th | DP | 2:43.4730 | 20 |
| 8th | 99 | Gurney / Fogarty / Vasser | Riley Mk XI Pontiac | Gainsco/Bob Stallings Racing | 139 | 6:52:24.862 | 145.9965 | | 8th | DP | 2:42.2820 | 7 |
| 9th | 01 | Pruett / Rojas / Duran | Riley Mk XI Lexus | TELMEX Chip Ganassi with Felix Sabates | 139 | 6:52:47.644 | 145.8613 | | 9th | DP | 2:41.7140 | 19 |
| 10th | 60 | Patterson / Negri / Wilson | Riley Mk XI Lexus | Michael Shank Racing | 139 | 6:53:02.707 | 145.7728 | | 10th | DP | 2:42.3600 | 19 |
| 11th | 61 | Frisselle / Wilkins / Frisselle | Riley Mk XI Lexus | AIM Autosport | 139 | 6:53:42.565 | 145.5394 | | 11th | DP | 2:42.3110 | 21 |
| 12th | 76 | Krohn / Papis | Riley Mk XI Pontiac | Krohn Racing | 138 | 6:52:37.914 | 144.8683 | | 12th | DP | 2:42.8120 | 101 |
| 13th | 39 | Fittipaldi / Brix / Antinucci | Fabcar FDSC/03 Pontiac | Cheever Racing - Pontiac | 136 | 6:51:48.620 | 143.0546 | | 13th | DP | 2:41.4050 | 52 |
| 14th | 77 | Gidley / Jaeger | Doran JE4 Ford | Feeds The Need/Doran Racing | 136 | 6:52:25.487 | 142.8405 | | 14th | DP | 2:42.2760 | 90 |
| 15th | 09 | Camirand / Goad / Cosmo | Fabcar FDSC/03 Porsche | Spirit of Daytona Racing | 135 | 6:52:43.457 | 141.6883 | | 15th | DP | 2:45.4580 | 105 |
| 16th | 05 | Auberlen / Alhadeff / Hand | Riley Mk XI BMW | Luggage Express Team Sigalsport BMW | 134 | 6:54:07.907 | 140.1610 | | 16th | DP | 2:42.4010 | 19 |
| 17th | 19 | Cameron / Valiante | Riley Mk XI Lexus | Chip Ganassi with Felix Sabates | 131 | 6:52:24.117 | 137.5973 | | 17th | DP | 2:43.1880 | 69 |
| 18th | 07 | Edwards / Collins / Pilgrim | Pontiac GXP.R | Banner Racing | 131 | 6:54:30.425 | 136.8988 | | 1st | GT | 2:55.0870 | 74 |
| 19th | 85 | Farnbacher / Keen / Baas | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 131 | 6:54:36.918 | 136.8634 | | 2nd | GT | 2:55.7510 | 130 |
| 20th | 87 | Miller / Werner / Henzler | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 130 | 6:52:31.332 | 136.5078 | | 3rd | GT | 2:56.2100 | 62 |
| 21st | 69 | Haskell / Longhi / Armengol | Mazda RX-8 | SpeedSource | 130 | 6:53:54.910 | 136.0475 | | 4th | GT | 2:57.4580 | 96 |
| 22nd | 17 | Wilkins / Lacey / Papadopoulos | Porsche 997 GT3 Cup | Doncaster Racing | 128 | 6:52:13.726 | 134.5025 | | 5th | GT | 2:57.9890 | 120 |
| 23rd | 26 | de Quesada / Dumoulin / Wilson | Porsche 997 GT3 Cup | Alegra Motorsports/Fiorano Racing | 128 | 6:52:39.290 | 134.3641 | | 6th | GT | 2:58.9850 | 121 |
| 24th | 81 | Johnson / Davis / Wagner | Porsche 997 GT3 Cup | Synergy Racing | 127 | 6:52:38.861 | 133.3164 | | 7th | GT | 2:58.3360 | 53 |
| 25th | 27 | O'Connell / Speakman / Roush | Porsche 997 GT3 Cup | O'Connell Racing | 127 | 6:53:26.451 | 133.0606 | | 8th | GT | 2:58.8190 | 95 |
| 26th | 43 | Nonnamaker / Nonnamaker / Nonnamaker | Chevrolet Corvette | Team Sahlen | 127 | 6:53:42.993 | 132.9720 | | 9th | GT | 3:01.0230 | 58 |
| 27th | 40 | Foster / Espenlaub / Dempsey | Mazda RX-8 | Hyper Sport | 126 | 6:52:45.280 | 132.2318 | | 10th | GT | 2:58.7230 | 5 |
| 28th | 30 | Staveley / Nearn / Dobson / Riley | Pontiac GXP.R | Racers Edge Motorsports | 126 | 6:52:45.523 | 132.2318 | | 11th | GT | 2:57.7260 | 74 |
| 29th | 64 | Lowe / Pace / Potter | Porsche 997 GT3 Cup | TRG | 126 | 6:53:15.929 | 132.0692 | | 12th | GT | 3:00.9140 | 59 |
| 30th | 56 | Beachman / Fitzgerald / McClure | Chevrolet Corvette | Beachman Racing | 123 | 6:52:49.994 | 129.0597 | | 13th | GT | 2:58.8610 | 5 |
| 31st | 22 | de Quesada / Dumoulin / Gabel / Stanton | Porsche 997 GT3 Cup | Alegra Motorsports/Fiorano Racing | 122 | 6:53:10.946 | 127.9026 | | 14th | GT | 2:58.7280 | 39 |
| 32nd | 57 | Bunting / Cicero / Gue | Chevrolet Corvette | Stevenson Motorsports | 121 | 6:52:50.441 | 126.9579 | | 15th | GT | 2:59.2290 | 5 |
| 33rd | 06 | Reese / Lewis, Jr. / O'Connell | Pontiac GXP.R | Banner Racing | 119 | 6:52:46.929 | 124.8787 | | 16th | GT | 2:57.2830 | 5 |
| 34th | 10 | Taylor / Angelelli / Magnussen | Riley Mk XI Pontiac | SunTrust Racing | 116 | 5:35:23.210 | 149.8203 | Right rear blow-out, fire | 18th | DP | 2:42.4590 | 20 |
| 35th | 67 | Mayes / Wahl / Ludwig | Porsche 997 GT3 Cup | TRG | 115 | 6:32:30.874 | 126.9113 | DNF | 17th | GT | 3:00.3490 | 6 |
| 36th | 21 | Tallman / Kozarov / Rossberg | Pontiac GTO.R | Matt Connolly Motorsports | 114 | 6:51:52.554 | 119.8945 | | 18th | GT | 3:00.6130 | 5 |
| 37th | 36 | DiMeo / Doane / St. Amour | Pontiac GTO | Competition Marketing Motorsports | 111 | 6:51:13.374 | 116.9237 | DNF | 19th | GT | 3:05.5440 | 89 |
| 38th | 12 | Schramm / Bell / Lester | Riley Mk XI Pontiac | RVO Motorsports | 102 | 6:53:57.517 | 106.7333 | | 19th | DP | 2:44.8680 | 77 |
| 39th | 58 | Donohue / Law / Rice | Riley Mk XI Porsche | Red Bull/Brumos Porsche | 97 | 5:33:47.982 | 125.8765 | DNF | 20th | DP | 2:41.6450 | 93 |
| 40th | 62 | Pruitt / Aguas / Jeannette / Burke | Ferrari F430 Challenge | Corsa Motorsports | 81 | 5:00:47.256 | 116.6501 | Electrics | 20th | GT | 2:59.2140 | 6 |
| 41st | 65 | Smith / DiLeo / Sellers | Porsche 997 GT3 Cup | TRG | 63 | 3:21:03.202 | 135.7337 | DNF | 21st | GT | 2:58.1780 | 39 |
| 42nd | 42 | Sahlen / Nonnamaker | Chevrolet Corvette | Team Sahlen | 40 | 2:47:59.874 | 103.1380 | DNF | 22nd | GT | 3:02.2390 | 5 |
| 43rd | 66 | Lally / Pumpelly / Valentine | Porsche 997 GT3 Cup | TRG | 27 | 1:26:07.016 | 135.8109 | Engine | 23rd | GT | 2:58.0200 | 11 |
| 44th | 31 | Connolly / Ingham / Ballou / Rossberg | Chase CCE-001 Pontiac | Matt Connolly Motorsports | 0 | | | Collision with no.70 | 21st | DP | | |
| 45th | 70 | Haskell / Tremblay / Ham | Mazda RX-8 | SpeedSource | 0 | | | Collision with no.31 | 24th | GT | | |