| 1st | 58 | Law / Donohue / Rice / Garcia | Riley Mk XI Porsche | Brumos Racing | 1:40.540 | 1:40.5400 | 1:41.5830 | 1:41.1070 | 1:42.2790 |
| 2nd | 16 | Dumas / Bernhard / Briscoe | Riley Mk XX Porsche | Penske Racing | 1:40.541 | 1:40.5410 | 1:41.5370 | 1:41.2700 | 1:43.8700 |
| 3rd | 6 | Valiante / James / Allmendinger / *Pew | Riley Mk XX Ford | Michael Shank Racing | 1:40.651 | 1:40.6510 | 1:42.5970 | 1:41.2410 | 1:44.0940 |
| 4th | 76 | Jönsson / Zonta / Turner | Lola B08/70 Ford | Krohn Racing | 1:40.892 | 1:40.8920 | 1:42.9450 | 1:41.5020 | 1:44.0390 |
| 5th | 22 | de Quesada / Dalziel / Dumoulin / Enge / Ducote | Riley Mk XI BMW | Alegra Motorsports | 1:40.915 | 1:40.9150 | 1:42.3350 | 1:41.4020 | 1:43.7470 |
| 6th | 59 | France / Barbosa / Borcheller / Haywood | Riley Mk XI Porsche | Brumos Racing | 1:40.961 | 1:41.3750 | 1:41.8550 | 1:40.9680 | 1:40.9610 |
| 7th | 01 | Pruett / Rojas / Montoya | Riley Mk XX Lexus | Chip Ganassi Racing with Felix Sabates | 1:41.016 | 1:41.0160 | 1:42.1230 | 1:41.8930 | 1:44.4870 |
| 8th | 10 | Taylor / Lamy / Angelelli / Frisselle | Dallara DP01 Ford | SunTrust Racing | 1:41.311 | 1:41.3110 | 1:42.0390 | 1:41.9120 | 1:42.8360 |
| 9th | 02 | Dixon / Franchitti / Lloyd | Riley Mk XI Lexus | Chip Ganassi Racing with Felix Sabates | 1:41.316 | 1:41.3160 | 1:42.6210 | 1:41.9070 | 1:42.7790 |
| 10th | 55 | Tucker / Zabinski / Bouchut / Matos | Riley Mk XX BMW | Supercar Life Racing | 1:41.569 | 1:41.5690 | 1:42.1370 | 1:41.5980 | 1:43.9710 |
| 11th | 60 | Patterson / Negri / Hunter-Reay / Braun | Riley Mk XX Ford | Michael Shank Racing | 1:41.658 | 1:41.7960 | 1:43.2150 | 1:41.6580 | 1:42.5230 |
| 12th | 99 | Gurney / Fogarty / Vasser / Johnson | Riley Mk XX Pontiac | Gainsco/Bob Stallings Racing | 1:41.666 | 1:41.6660 | 1:42.7960 | 1:42.3060 | 1:42.7150 |
| 13th | 13 | Taylor / Beyer / Martinez / Taylor | Riley Mk XI Pontiac | Beyer Racing | 1:42.047 | 1:42.0580 | 1:43.6130 | 1:42.0470 | 1:44.0260 |
| 14th | 61 | Wilkins / Frisselle / Farano / Figge | Riley Mk XX Ford | AIM Autosport | 1:42.086 | 1:42.0860 | 1:43.3570 | 1:42.1650 | 3:24.0040 |
| 15th | 75 | Krohn / van de Poele / Gavin | Lola B08/70 Ford | Krohn Racing | 1:42.172 | 1:44.0410 | 1:43.3850 | 1:42.1720 | 1:45.4490 |
| 16th | 09 | Cosmo / Russell / Pridmore / Ward | Coyote CC/08 Porsche | Spirit of Daytona Racing | 1:42.448 | 1:42.4750 | 1:44.9450 | 1:42.4480 | 1:45.9870 |
| 17th | 77 | Gidley / Jaeger / Gollin / Bobbi | Dallara DP01 Ford | Doran Racing | 1:42.632 | 1:42.7400 | 1:43.1860 | 1:42.6320 | 1:43.2140 |
| 18th | 45 | Manning / Lester / Hindery, Jr. / Petty | Riley Mk XI BMW | Orbit Racing | 1:42.909 | 1:52.1080 | 1:42.9090 | 1:43.9870 | 1:44.9430 |
| 19th | 2 | Wallace / Finlay / Patrick / Mears | Crawford DP08 Pontiac | Childress-Howard Motorsports | 1:43.553 | 1:45.0700 | 1:43.5530 | 1:44.4390 | 1:43.8640 |
| 20th | 70 | Haskell / Tremblay / Ham / Bomarito | Mazda RX-8 | SpeedSource | 1:49.445 | 1:49.4450 | 1:50.4840 | 1:49.8410 | 1:51.6790 |
| 21st | 67 | Marks / Lally / Valentine / Long / Bergmeister | Porsche 997 GT3 Cup | TRG | 1:49.540 | 1:49.5400 | 1:51.0960 | 1:50.2930 | 1:51.1420 |
| 22nd | 14 | Ragginger / Burtin / Baldwin / McGehee / Friedman | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:49.634 | 1:49.6340 | 1:50.7810 | 1:50.7000 | 1:51.3590 |
| 23rd | 69 | Assentato / Segal / Longhi / Plumb | Mazda RX-8 | SpeedSource | 1:49.822 | 1:49.8220 | 1:51.0730 | 1:50.8740 | 1:50.1970 |
| 24th | 87 | Keen / Werner / Henzler / Westbrook | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:49.852 | 1:49.9460 | 1:50.5190 | 1:49.8520 | 1:51.3420 |
| 25th | 85 | Gomez / Graeff / Henzler / Yarab, Jr. / Campollo | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:49.865 | 1:49.8650 | 1:52.1410 | 1:51.4220 | 1:52.0480 |
| 26th | 66 | Pumpelly / Ballou / Collard / Lietz / George, Jr. | Porsche 997 GT3 Cup | TRG | 1:50.109 | 1:50.1090 | 1:51.8580 | 1:51.2430 | 1:51.1060 |
| 27th | 26 | Jacalone / Jacalone / Pobst / Bonilla / Lewis | Porsche 997 GT3 Cup | Gotham Competition | 1:50.206 | 1:50.2060 | 1:52.2420 | 1:51.7220 | 1:55.4430 |
| 28th | 86 | Farnbacher / Lux / Marsh / Roush | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:50.234 | 1:50.2340 | 1:50.2410 | 1:50.3600 | 1:50.3870 |
| 29th | 30 | von Moltke / Cameron / Sellers / Peterson | Mazda RX-8 | Racers Edge Motorsports | 1:50.290 | 1:51.2900 | 1:50.2900 | 1:51.1350 | 1:53.4750 |
| 30th | 52 | Castellano / Bertuzzi / Pirri / Montanari / Wagner | Ferrari F430 Challenge | Mastercar-Coast 2 Costa Racing | 1:50.454 | 1:50.6490 | 1:50.8770 | 1:50.4540 | 1:52.9280 |
| 31st | 65 | Stanton / Holzer / Potter / Miller | Porsche 997 GT3 Cup | TRG/Riegel/Stanton | 1:50.455 | 1:50.4550 | 1:51.6360 | 1:50.9720 | 1:51.2970 |
| 32nd | 33 | Martien / Zacharias / Maassen / Pilet | Porsche 997 GT3 Cup | Wright Motorsports | 1:50.517 | 1:50.5170 | 1:52.2670 | 1:50.5230 | 1:51.0740 |
| 33rd | 64 | Lowe / Pace / Van Overbeek / Sugden | Porsche 997 GT3 Cup | JLowe Racing | 1:50.573 | 1:50.5730 | 1:52.5960 | 1:51.1680 | 1:52.4050 |
| 34th | 56 | Drudi / Campanico / Papis / Swartzbaugh | Ferrari F430 Challenge | Mastercar-Coast 2 Costa Racing | 1:50.680 | 1:52.4020 | 1:50.6800 | 1:51.7990 | 1:52.1920 |
| 35th | 40 | Foster / Dempsey / Espenlaub / Lewis, Jr. / Thornton | Mazda RX-8 | Dempsey Racing | 1:50.889 | 1:52.9440 | 1:51.8860 | 1:50.9670 | 1:50.8890 |
| 36th | 89 | Rosa / Kaffer / Petrobelli / Simonsen / Rosa | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:50.960 | 1:51.2540 | 1:50.9600 | 1:53.1140 | 1:51.0250 |
| 37th | 15 | Said / Kelly / *Morris / *Nastasi | Ford Mustang | Blackforest Motorsports | 1:51.036 | 1:51.0360 | 1:52.9470 | 1:51.6600 | 1:52.9220 |
| 38th | 07 | Edwards / Collins / Magnussen | Pontiac GXP.R | Banner Racing | 1:51.236 | 1:51.2360 | 1:51.8630 | 1:51.5440 | 1:51.5580 |
| 39th | 88 | Johnson / Lacey / Nearn / Westbrook / Sofronas | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:51.376 | 1:51.3760 | 1:52.3430 | 1:51.6380 | 1:51.7720 |
| 40th | 57 | Liddell / Davis / Bucknum | Pontiac GXP.R | Stevenson Motorsports | 1:51.393 | 1:51.4810 | 1:52.4040 | 1:51.3930 | 1:53.2380 |
| 41st | 42 | Nonnamaker / *Sahlen / *Nonnamaker / *Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:51.482 | 1:51.4820 | 1:53.5580 | 1:53.5400 | 1:54.6210 |
| 42nd | 32 | Forest / Merrill / Salvo / Westphal / *Barrett | Pontiac GXP.R | PR1 Motorsports | 1:51.629 | 1:51.6290 | 1:52.9170 | 1:51.7600 | 1:55.5410 |
| 43rd | 97 | Gue / Long / Eversley / Beiker | Chevrolet Corvette | Stevenson Motorsports | 1:51.780 | 1:51.7800 | 1:52.6380 | 1:52.7840 | 1:55.7900 |
| 44th | 35 | Aschenbach / Valverde / Willsley / Rodriguez / Cruz | Porsche 997 GT3 Cup | Orbit Racing | 1:52.050 | 1:52.0500 | 1:52.1350 | no time | no time |
| 45th | 21 | Alessi / Daskalos / Montano / Vinkemulder | Pontiac GTO.R | Battery Tender/MCM Racing | 1:52.062 | 1:52.0620 | 1:53.3130 | 1:52.3460 | 1:54.6270 |
| 46th | 44 | Bentley / Carter / Harrington / Nixon | Porsche 997 GT3 Cup | Bullet Racing | 1:52.199 | 1:52.5680 | 1:53.4250 | 1:52.1990 | 1:55.9740 |
| 47th | 68 | Gutierrez / Ende / Pallis / Miller / Schroeder | Porsche 997 GT3 Cup | TRG | 1:52.571 | 1:52.5710 | 1:53.3490 | 1:53.9340 | 1:54.0940 |
| 48th | 63 | Quinlan / Ledoux / Watkins / Zadig / Kossmann | Porsche 997 GT3 Cup | TRG | 1:53.366 | 1:53.3660 | 1:55.2870 | 1:54.3440 | 1:55.2520 |
| 49th | 43 | Nonnamaker / Sahlen / Nonnamaker / Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:53.683 | | | 1:53.6830 | no time |
| 50th | 31 | Michaelian / Michaelian / Kapudija / McMullen / Lewis | Porsche 997 GT3 Cup | Battery Tender/MCM Racing | 1:53.726 | no time | 1:53.7260 | 2:02.0250 | no time |
| 51st | 34 | Aschenbach / Cruz / Rodriguez / Valverde / Willsley | Porsche 997 GT3 Cup | Orbit Racing | 1:55.659 | | | 1:55.6590 | 1:59.1010 |