| 1st | 60 | Patterson / Negri / Wilson / Rahal | Riley Mk XX Ford | Michael Shank Racing | 1:40.793 | 1:40.7930 | 1:43.1550 | 1:42.0720 | 1:43.5890 |
| 2nd | 6 | Pew / James / Allmendinger / Frisselle | Riley Mk XX Ford | Michael Shank Racing | 1:40.802 | 1:40.8020 | 1:43.0710 | 1:43.2780 | 1:45.1620 |
| 3rd | 91 | Matthews / Goossens / O'Connell / Hunter-Reay | Riley Mk XX Pontiac | Bob Stallings/Riley-Matthews | 1:41.041 | 1:41.0410 | 1:43.4250 | 1:42.8620 | 1:43.0760 |
| 4th | 10 | Taylor / Angelelli / Valiante / Taylor | Riley Mk XI Pontiac | SunTrust Racing | 1:41.161 | 1:41.1610 | 1:42.8840 | 1:41.8000 | 1:42.9410 |
| 5th | 61 | Frisselle / Wilkins / Ranger / Braun | Riley Mk XX Ford | AIM Autosport | 1:41.413 | 1:41.4130 | 1:43.0200 | 1:42.1700 | 1:43.8950 |
| 6th | 01 | Pruett / Rojas / Montoya / Franchitti | Riley Mk XI Lexus | Chip Ganassi with Felix Sabates | 1:41.505 | 1:41.5050 | 1:43.5400 | 1:42.8030 | 1:41.8360 |
| 7th | 58 | Law / Donohue / Rice | Riley Mk XI Porsche | Brumos Racing | 1:41.764 | 1:41.7640 | 1:42.8600 | 1:42.1750 | 1:42.4810 |
| 8th | 11 | Dalziel / Enge / Primat / *Duno | Riley Mk XI Pontiac | SAMAX | 1:41.878 | 1:41.8780 | 1:43.8650 | 1:43.3660 | 1:44.0370 |
| 9th | 7 | Plumb / Wahl / Grégoire / Cullen / Shovlin | Riley Mk XI BMW | Sigalsport | 1:41.975 | 1:41.9750 | 1:43.7460 | 1:42.3310 | 1:45.2500 |
| 10th | 02 | Dixon / Wheldon / Duran / Lloyd | Riley Mk XI Lexus | Chip Ganassi with Felix Sabates | 1:41.996 | 1:41.9960 | 1:42.8020 | 1:42.4850 | 1:43.0600 |
| 11th | 99 | Gurney / Fogarty / Vasser / Johnson | Riley Mk XI Pontiac | Gainsco/Bob Stallings Racing | 1:42.160 | 1:42.1600 | 1:43.5770 | 1:43.0180 | 1:42.5010 |
| 12th | 23 | Auberlen / Hand / Long / Wallace | Crawford DP03 Porsche | Alex Job Racing | 1:42.230 | 1:42.2300 | 1:43.4720 | 1:43.5280 | 1:42.6210 |
| 13th | 9 | Briscoe / Castroneves / Busch | Riley Mk XI Pontiac | Penske-Taylor Racing | 1:42.257 | 1:42.2570 | 1:43.5260 | 1:42.8780 | 1:44.2780 |
| 14th | 2 | Rockenfeller / McNish / Luhr / *Zogaib | Riley Mk XI Pontiac | SAMAX | 1:42.271 | 1:42.2710 | 1:43.2810 | 1:42.3310 | 1:43.5080 |
| 15th | 76 | Jönsson / Zonta / Turner | Riley Mk XI Pontiac | Krohn Racing | 1:42.296 | 1:42.2960 | 1:43.4140 | 1:42.9980 | 1:43.7220 |
| 16th | 59 | France / Barbosa / Borcheller / Haywood | Riley Mk XI Porsche | Brumos Racing | 1:42.446 | 1:42.8160 | 1:43.7240 | 1:42.6170 | 1:42.4460 |
| 17th | 77 | Gidley / Jaeger / Gollin / Gardel | Doran JE4 Ford | Doran Racing | 1:42.526 | 1:42.5260 | 1:43.6130 | 1:43.0660 | 1:42.9220 |
| 18th | 3 | Lewis / Lester / Christopher / Barron | Riley Mk XI Lexus | Southard Motorsports | 1:42.936 | 1:42.9360 | 1:44.9320 | 1:43.3330 | 1:47.1890 |
| 19th | 12 | Bell / Kasemets / *Bell / *Dallenbach / *Schramm | Riley Mk XI Pontiac | RVO Motorsports | 1:43.135 | 1:43.1350 | 1:44.4920 | 1:44.6350 | 1:45.4780 |
| 20th | 03 | Carpenter / Foyt / Meira / Andretti / *George | Crawford DP03 Porsche | Vision Racing | 1:43.342 | 1:43.3420 | 1:44.7110 | 1:45.2960 | 1:45.6690 |
| 21st | 75 | Krohn / van de Poele / Gavin | Riley Mk XI Pontiac | Krohn Racing | 1:43.492 | no time | 1:43.4920 | 1:43.8100 | 1:48.8590 |
| 22nd | 16 | Garcia / Bobbi / Babini / Ortelli | Coyote CC/08 Pontiac | Cheever Racing | 1:43.618 | 1:43.6180 | 1:43.9800 | 1:43.7430 | 1:44.5260 |
| 23rd | 51 | Newton / Erdos / *Kimber-Smith / *Mayer / *Sherman | Coyote CC/08 Pontiac | Cheever Racing | 1:43.709 | 1:43.7090 | 1:46.2900 | 1:44.8970 | |
| 24th | 09 | Cosmo / Camirand / McDowell | Fabcar FDSC/03 Evo Porsche | Spirit of Daytona Racing | 1:44.507 | 1:44.9200 | 1:45.3800 | 1:44.9440 | 1:44.5070 |
| 25th | 31 | Ingham / Schultis / Contini / Frost / Konôpka | Chase CCE-001 Pontiac | Matt Connolly Motorsports | 1:46.617 | 1:46.6170 | 1:48.8130 | 1:48.9400 | 1:55.2640 |
| 26th | 70 | Haskell / Tremblay / Ham / Matos | Mazda RX-8 | SpeedSource | 1:50.758 | 1:50.7580 | 1:51.6600 | 1:51.6550 | 1:52.6380 |
| 27th | 56 | Marsh / Montanari / *Biagi / *Monzón / *Venier | Ferrari F430 Challenge | Mastercar | 1:50.873 | 1:50.8730 | 1:52.8530 | | |
| 28th | 67 | Pumpelly / Collard / Sellers / Dumas / George, Jr. | Porsche 997 GT3 Cup | TRG | 1:50.945 | 1:50.9450 | 1:51.4750 | 1:51.6400 | 1:51.0930 |
| 29th | 89 | Drudi / Giammaria / Rosa / Hardt / Petrobelli | Porsche 997 GT3 Cup | Farnbacher Loles | 1:50.947 | 1:51.8050 | 1:52.2080 | 1:52.8780 | 1:50.9470 |
| 30th | 64 | Lowe / Pace / van Overbeek / Sugden / Valentine | Porsche 997 GT3 Cup | TRG | 1:51.160 | 1:51.1600 | 1:52.4310 | 1:52.7710 | 1:52.5100 |
| 31st | 87 | Farnbacher / Ehret / Bernhard / Werner | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.328 | 1:51.8230 | 1:51.7910 | 1:52.5820 | 1:51.3280 |
| 32nd | 34 | Willsley / Papadopoulos / Fitzgerald / Mowlem | Porsche 997 GT3 Cup | Orbit | 1:51.348 | 1:51.3480 | 1:52.7140 | 1:51.9720 | 1:56.4130 |
| 33rd | 21 | Reindler / Alessi / Prewitt / Trenery / Rice | Pontiac GTO.R | Matt Connolly Motorsports | 1:51.450 | 1:51.4500 | 1:52.4840 | 1:52.5460 | 1:54.3630 |
| 34th | 80 | Greenberg / Faulkner / Heylen / Arnold | Porsche 997 GT3 Cup | Synergy Racing | 1:51.513 | 1:51.5130 | 1:51.6410 | 1:52.2800 | 2:11.0580 |
| 35th | 62 | Ragginger / Burtin / Baldwin / Tucker / Zabinski | Porsche 997 GT3 Cup | TRG | 1:51.573 | 1:51.5730 | 1:51.8030 | 1:52.5300 | 1:53.1270 |
| 36th | 86 | Henzler / Lux / Keen / Maassen / Bergmeister | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.602 | 1:51.8410 | 1:51.6580 | 1:51.6020 | 1:51.9660 |
| 37th | 30 | Dobson / Thorne / Staveley / Stone | Mazda RX-8 | Racers Edge Motorsports | 1:51.606 | 1:51.6060 | 1:51.7960 | 1:53.3650 | 1:53.0550 |
| 38th | 66 | Miller / Ballou / Lally / Westbrook | Porsche 997 GT3 Cup | TRG | 1:51.619 | 1:51.8020 | 1:51.6190 | 1:51.7020 | 1:51.8380 |
| 39th | 57 | Liddell / Davis / Pobst / Jeannette | Pontiac GXP.R | Stevenson Motorsports | 1:51.694 | 1:51.7170 | 1:52.3220 | 1:51.6940 | 1:53.0920 |
| 40th | 07 | Edwards / Collins / Magnussen | Pontiac GXP.R | Banner Racing | 1:51.695 | 1:52.0610 | 1:51.8430 | 1:51.7500 | 1:51.6950 |
| 41st | 88 | Stippler / Kaffer / Lacey / Wilkins / Curran | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.723 | 1:51.7230 | 1:52.2930 | 1:52.0920 | 1:51.9720 |
| 42nd | 22 | de Quesada / Basseng / Swartzbaugh / Pilet | Porsche 997 GT3 Cup | Alegra Motorsports | 1:51.743 | 1:52.1940 | 1:52.2770 | 1:52.7130 | 1:51.7430 |
| 43rd | 27 | O'Connell / Roush / Plumb / Wilson | Porsche 997 GT3 Cup | O'Connell Racing | 1:51.930 | 1:52.0950 | 1:51.9300 | 1:52.0080 | 1:52.9170 |
| 44th | 15 | Nastasi / Empringham / Dumoulin / Said | Ford Mustang | Blackforest Motorsports | 1:51.947 | 1:51.9470 | 1:53.1060 | 1:51.9730 | 1:52.6390 |
| 45th | 14 | Friedman / McGehee / Lazzaro / Kelleners | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:51.981 | 1:52.4730 | 1:52.8710 | 1:52.5440 | 1:51.9810 |
| 46th | 81 | Johnson / Doornbos / Lietz / Huisman | Porsche 997 GT3 Cup | Synergy Racing | 1:51.986 | 1:51.9860 | 1:52.0270 | 1:52.6400 | 1:52.3620 |
| 47th | 69 | Assentato / Segal / Longhi / Pechnik | Mazda RX-8 | SpeedSource | 1:52.052 | 1:52.0520 | 1:52.8180 | 1:52.7690 | 1:53.4680 |
| 48th | 90 | Thornton / Long / Varde / Russell | BMW M6 | Automatic Racing | 1:52.065 | 1:52.0650 | 1:52.8180 | 1:53.0410 | 1:52.9890 |
| 49th | 74 | Skea / Patch / Hamblin / Safina / Murry | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:52.081 | 1:52.0810 | 1:52.2510 | 1:52.8630 | 1:53.5580 |
| 50th | 29 | Rosenzweig / Woodman / Gabel / Dumoulin / *Gleason | Porsche 997 GT3 Cup | Alegra Motorsports | 1:52.240 | 1:52.2400 | 1:54.0160 | 1:53.4820 | 1:53.5670 |
| 51st | 63 | Ende / Maher / *Bourque / *Yarab, Jr. | Porsche 997 GT3 Cup | TRG | 1:52.278 | 1:52.2780 | 1:54.0650 | 1:52.7530 | 1:56.2980 |
| 52nd | 52 | Ragazzi / Min Effiniz / Bertuzzi / Castellano / Machado | Ferrari F430 Challenge | Mastercar | 1:52.372 | 1:52.3720 | 1:53.0950 | 1:59.0170 | 2:01.2540 |
| 53rd | 06 | Reese / Nearn / Pilgrim / Bunting | Pontiac GXP.R | Banner Racing | 1:52.486 | 1:52.4860 | 1:52.8570 | 1:52.5770 | 1:53.1100 |
| 54th | 40 | Foster / Espenlaub / Dempsey / Kapudija / Maxwell | Mazda RX-8 | Hyper Sport | 1:52.528 | 1:52.5280 | 1:53.2760 | 1:52.6000 | 1:52.9780 |
| 55th | 72 | Aschenbach / Lewis, Jr. / Stanton / Papis | Pontiac GXP.R | Autohaus Motorsports | 1:52.552 | 1:52.5520 | 1:52.9890 | 1:52.7490 | 1:53.3190 |
| 56th | 65 | Oasis / Atherton / Stout / Daskalos / Archer | Porsche 997 GT3 Cup | TRG | 1:52.672 | 1:53.1740 | 1:52.6720 | 1:54.2000 | 1:52.9010 |
| 57th | 17 | Zitza / Jensen / Jensen / Taylor | Porsche 997 GT3 Cup | Terra Firma Motorsports | 1:52.972 | 1:54.3090 | 1:52.9720 | 1:53.0420 | 1:53.2120 |
| 58th | 50 | Farano / Jensen / Cloud / Said / Bradley | Ford Mustang | Blackforest Motorsports | 1:53.109 | 1:53.1090 | 1:53.7960 | 1:54.0830 | |
| 59th | 83 | Crews / Walker / Ludwig / McCrackin / Bergmeister | Porsche 997 GT3 Cup | Farnbacher Loles | 1:53.136 | 1:53.1360 | 1:54.3340 | 1:54.1000 | 1:55.1010 |
| 60th | 68 | Gomez / Auriemma / Mayes / Schroeder / Milner | Porsche 997 GT3 Cup | TRG | 1:53.239 | 1:53.8030 | 1:53.6780 | 1:53.2390 | 1:55.4820 |
| 61st | 85 | Kitch / Bentley / Miller / Pallis | Porsche 997 GT3 Cup | Farnbacher Loles | 1:53.353 | 1:53.3530 | 1:53.5520 | 1:53.7710 | 1:56.6200 |
| 62nd | 43 | Sahlen / Nonnamaker / Nonnamaker / Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:53.564 | 1:53.5640 | 1:55.5860 | 1:55.0760 | |
| 63rd | 84 | Bingham / Pickering / Cotter / Pennington | Porsche 997 GT3 Cup | Farnbacher Loles | 1:53.991 | 1:53.9910 | 1:54.8430 | 1:56.3010 | 1:57.0170 |
| 64th | 26 | Jacalone / Jacalone / Michaelian / Michaelian / *Gabel | Porsche 997 GT3 Cup | Gotham Competition | 1:54.807 | 1:57.4080 | 1:56.0840 | 1:55.9130 | 1:54.8070 |
| 65th | 44 | Paquette / Nixon / Arnold / Van Zanten, Jr. | Porsche 996 GT3 Cup | Bullet Racing | 1:55.026 | 1:55.4240 | 1:55.9010 | 1:55.0260 | 1:59.2830 |
| 66th | 08 | Goldin / Goldin / Meassick / Kennedy | Mazda RX-8 | Goldin Brothers Racing | 1:58.400 | 1:58.4000 | 1:59.8500 | 2:00.9390 | 2:03.7290 |