| 1st | 60 | Patterson / Negri / Wilson / Rahal | Riley Mk XX Ford | Michael Shank Racing | 1:40.7930 | 204.6297 | 1:40.7930 | |
| 2nd | 6 | Pew / James / Allmendinger / Frisselle | Riley Mk XX Ford | Michael Shank Racing | 1:40.8020 | 204.6120 | 1:40.8020 | |
| 3rd | 91 | Matthews / Goossens / O'Connell / Hunter-Reay | Riley Mk XX Pontiac | Bob Stallings/Riley-Matthews | 1:41.0410 | 204.1276 | 1:41.0410 | |
| 4th | 10 | Taylor / Angelelli / Valiante / Taylor | Riley Mk XI Pontiac | SunTrust Racing | 1:41.1610 | 203.8862 | 1:41.1610 | |
| 5th | 61 | Frisselle / Wilkins / Ranger / Braun | Riley Mk XX Ford | AIM Autosport | 1:41.4130 | 203.3792 | 1:41.4130 | |
| 6th | 01 | Pruett / Rojas / Montoya / Franchitti | Riley Mk XI Lexus | Chip Ganassi with Felix Sabates | 1:41.5050 | 203.1942 | 1:41.5050 | |
| 7th | 58 | Law / Donohue / Rice | Riley Mk XI Porsche | Brumos Racing | 1:41.7640 | 202.6776 | 1:41.7640 | |
| 8th | 11 | Dalziel / Enge / Primat / *Duno | Riley Mk XI Pontiac | SAMAX | 1:41.8780 | 202.4506 | 1:41.8780 | |
| 9th | 7 | Plumb / Wahl / Grégoire / Cullen / Shovlin | Riley Mk XI BMW | Sigalsport | 1:41.9750 | 202.2575 | 1:41.9750 | |
| 10th | 02 | Dixon / Wheldon / Duran / Lloyd | Riley Mk XI Lexus | Chip Ganassi with Felix Sabates | 1:41.9960 | 202.2157 | 1:41.9960 | |
| 11th | 99 | Gurney / Fogarty / Vasser / Johnson | Riley Mk XI Pontiac | Gainsco/Bob Stallings Racing | 1:42.1600 | 201.8922 | 1:42.1600 | |
| 12th | 23 | Auberlen / Hand / Long / Wallace | Crawford DP03 Porsche | Alex Job Racing | 1:42.2300 | 201.7538 | 1:42.2300 | |
| 13th | 9 | Briscoe / Castroneves / Busch | Riley Mk XI Pontiac | Penske-Taylor Racing | 1:42.2570 | 201.7007 | 1:42.2570 | |
| 14th | 2 | Rockenfeller / McNish / Luhr / *Zogaib | Riley Mk XI Pontiac | SAMAX | 1:42.2710 | 201.6733 | 1:42.2710 | |
| 15th | 76 | Jönsson / Zonta / Turner | Riley Mk XI Pontiac | Krohn Racing | 1:42.2960 | 201.6234 | 1:42.2960 | |
| 16th | 77 | Gidley / Jaeger / Gollin / Gardel | Doran JE4 Ford | Doran Racing | 1:42.5260 | 201.1712 | 1:42.5260 | |
| 17th | 59 | France / Barbosa / Borcheller / Haywood | Riley Mk XI Porsche | Brumos Racing | 1:42.8160 | 200.6031 | 1:42.8160 | |
| 18th | 3 | Lewis / Lester / Christopher / Barron | Riley Mk XI Lexus | Southard Motorsports | 1:42.9360 | 200.3698 | 1:42.9360 | |
| 19th | 12 | Bell / Kasemets / *Bell / *Dallenbach / *Schramm | Riley Mk XI Pontiac | RVO Motorsports | 1:43.1350 | 199.9835 | 1:43.1350 | |
| 20th | 03 | Carpenter / Foyt / Meira / Andretti / *George | Crawford DP03 Porsche | Vision Racing | 1:43.3420 | 199.5828 | 1:43.3420 | |
| 21st | 16 | Garcia / Bobbi / Babini / Ortelli | Coyote CC/08 Pontiac | Cheever Racing | 1:43.6180 | 199.0517 | 1:43.6180 | |
| 24th | 51 | Newton / Erdos / *Kimber-Smith / *Mayer / *Sherman | Coyote CC/08 Pontiac | Cheever Racing | 1:43.7090 | 198.8763 | 1:43.7090 | |
| 22nd | 09 | Cosmo / Camirand / McDowell | Fabcar FDSC/03 Evo Porsche | Spirit of Daytona Racing | 1:44.9200 | 196.5814 | 1:44.9200 | |
| 23rd | 31 | Ingham / Schultis / Contini / Frost / Konôpka | Chase CCE-001 Pontiac | Matt Connolly Motorsports | 1:46.6170 | 193.4512 | 1:48.7830 | 1:46.6170 |
| 26th | 70 | Haskell / Tremblay / Ham / Matos | Mazda RX-8 | SpeedSource | 1:50.7580 | 186.2188 | 1:50.7580 | |
| 27th | 56 | Marsh / Montanari / *Biagi / *Monzón / *Venier | Ferrari F430 Challenge | Mastercar | 1:50.8730 | | | |
| 28th | 67 | Pumpelly / Collard / Sellers / Dumas / George, Jr. | Porsche 997 GT3 Cup | TRG | 1:50.9450 | 185.9050 | 1:50.9450 | |
| 55th | 64 | Lowe / Pace / van Overbeek / Sugden / Valentine | Porsche 997 GT3 Cup | TRG | 1:51.1600 | 185.5461 | 1:55.2680 | 1:51.1600 |
| 29th | 34 | Willsley / Papadopoulos / Fitzgerald / Mowlem | Porsche 997 GT3 Cup | Orbit | 1:51.3480 | 185.2323 | 1:51.3480 | |
| 30th | 21 | Reindler / Alessi / Prewitt / Trenery / Rice | Pontiac GTO.R | Matt Connolly Motorsports | 1:51.4500 | 185.0633 | 1:51.4500 | |
| 31st | 80 | Greenberg / Faulkner / Heylen / Arnold | Porsche 997 GT3 Cup | Synergy Racing | 1:51.5130 | 184.9587 | 1:51.5130 | |
| 32nd | 62 | Ragginger / Burtin / Baldwin / Tucker / Zabinski | Porsche 997 GT3 Cup | TRG | 1:51.5730 | 184.8589 | 1:51.5730 | |
| 33rd | 30 | Dobson / Thorne / Staveley / Stone | Mazda RX-8 | Racers Edge Motorsports | 1:51.6060 | 184.8042 | 1:51.6060 | |
| 34th | 57 | Liddell / Davis / Pobst / Jeannette | Pontiac GXP.R | Stevenson Motorsports | 1:51.7170 | 184.6207 | 1:51.7170 | |
| 35th | 88 | Stippler / Kaffer / Lacey / Wilkins / Curran | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.7230 | 184.6111 | 1:51.7230 | |
| 36th | 66 | Miller / Ballou / Lally / Westbrook | Porsche 997 GT3 Cup | TRG | 1:51.8020 | 184.4807 | 1:51.8020 | |
| 37th | 89 | Drudi / Giammaria / Rosa / Hardt / Petrobelli | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.8050 | 184.4759 | 1:51.8050 | |
| 38th | 87 | Farnbacher / Ehret / Bernhard / Werner | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.8230 | 184.4453 | 1:51.8230 | |
| 39th | 86 | Henzler / Lux / Keen / Maassen / Bergmeister | Porsche 997 GT3 Cup | Farnbacher Loles | 1:51.8410 | 184.4164 | 1:51.8410 | |
| 40th | 15 | Nastasi / Empringham / Dumoulin / Said | Ford Mustang | Blackforest Motorsports | 1:51.9470 | 184.2409 | 1:51.9470 | |
| 56th | 81 | Johnson / Doornbos / Lietz / Huisman | Porsche 997 GT3 Cup | Synergy Racing | 1:51.9860 | 184.1765 | | 1:51.9860 |
| 41st | 69 | Assentato / Segal / Longhi / Pechnik | Mazda RX-8 | SpeedSource | 1:52.0520 | 184.0687 | 1:52.0520 | |
| 42nd | 07 | Edwards / Collins / Magnussen | Pontiac GXP.R | Banner Racing | 1:52.0610 | 184.0542 | 1:52.0610 | |
| 43rd | 90 | Thornton / Long / Varde / Russell | BMW M6 | Automatic Racing | 1:52.0650 | 184.0478 | 1:52.0650 | |
| 57th | 74 | Skea / Patch / Hamblin / Safina / Murry | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:52.0810 | 184.0204 | 1:53.8120 | 1:52.0810 |
| 44th | 27 | O'Connell / Roush / Plumb / Wilson | Porsche 997 GT3 Cup | O'Connell Racing | 1:52.0950 | 183.9979 | 1:52.0950 | |
| 45th | 22 | de Quesada / Basseng / Swartzbaugh / Pilet | Porsche 997 GT3 Cup | Alegra Motorsports | 1:52.1940 | 183.8354 | 1:52.1940 | |
| 46th | 29 | Rosenzweig / Woodman / Gabel / Dumoulin / *Gleason | Porsche 997 GT3 Cup | Alegra Motorsports | 1:52.2400 | 183.7597 | 1:52.2400 | |
| 47th | 63 | Ende / Maher / *Bourque / *Yarab, Jr. | Porsche 997 GT3 Cup | TRG | 1:52.2780 | 183.6986 | 1:52.2780 | |
| 58th | 52 | Ragazzi / Min Effiniz / Bertuzzi / Castellano / Machado | Ferrari F430 Challenge | Mastercar | 1:52.3720 | 183.5441 | 1:54.8550 | 1:52.3720 |
| 48th | 14 | Friedman / McGehee / Lazzaro / Kelleners | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:52.4730 | 183.3799 | 1:52.4730 | |
| 49th | 06 | Reese / Nearn / Pilgrim / Bunting | Pontiac GXP.R | Banner Racing | 1:52.4860 | 183.3590 | 1:52.4860 | |
| 50th | 40 | Foster / Espenlaub / Dempsey / Kapudija / Maxwell | Mazda RX-8 | Hyper Sport | 1:52.5280 | 183.2898 | 1:52.5280 | |
| 51st | 72 | Aschenbach / Lewis, Jr. / Stanton / Papis | Pontiac GXP.R | Autohaus Motorsports | 1:52.5520 | 183.2512 | 1:52.5520 | |
| 52nd | 50 | Farano / Jensen / Cloud / Said / Bradley | Ford Mustang | Blackforest Motorsports | 1:53.1090 | 182.3483 | 1:53.1090 | |
| 53rd | 83 | Crews / Walker / Ludwig / McCrackin / Bergmeister | Porsche 997 GT3 Cup | Farnbacher Loles | 1:53.1360 | 182.3049 | 1:53.1360 | |
| 64th | 65 | Oasis / Atherton / Stout / Daskalos / Archer | Porsche 997 GT3 Cup | TRG | 1:53.1740 | 182.2437 | 1:53.1740 | 1:57.1030 |
| 54th | 85 | Kitch / Bentley / Miller / Pallis | Porsche 997 GT3 Cup | Farnbacher Loles | 1:53.3530 | 181.9556 | 1:53.3530 | |
| 59th | 43 | Sahlen / Nonnamaker / Nonnamaker / Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:53.5640 | 181.6177 | 1:53.5640 | 1:55.9770 |
| 60th | 68 | Gomez / Auriemma / Mayes / Schroeder / Milner | Porsche 997 GT3 Cup | TRG | 1:53.8030 | 181.2363 | 1:54.3160 | 1:53.8030 |
| 61st | 84 | Bingham / Pickering / Cotter / Pennington | Porsche 997 GT3 Cup | Farnbacher Loles | 1:53.9910 | 180.9369 | 1:53.9910 | |
| 62nd | 17 | Zitza / Jensen / Jensen / Taylor | Porsche 997 GT3 Cup | Terra Firma Motorsports | 1:54.3090 | 180.4348 | 1:54.3090 | |
| 63rd | 44 | Paquette / Nixon / Arnold / Van Zanten, Jr. | Porsche 996 GT3 Cup | Bullet Racing | 1:55.4240 | 178.6919 | 1:55.4240 | 1:55.9020 |
| 65th | 26 | Jacalone / Jacalone / Michaelian / Michaelian / *Gabel | Porsche 997 GT3 Cup | Gotham Competition | 1:57.4080 | 175.6712 | 1:57.4080 | |
| 66th | 08 | Goldin / Goldin / Meassick / Kennedy | Mazda RX-8 | Goldin Brothers Racing | 1:58.4000 | 174.2002 | 1:58.4000 | |
| 25th | 75 | Krohn / van de Poele / Gavin | Riley Mk XI Pontiac | Krohn Racing | no time | | | |