| 1st | 01 | Pruett / Papis / Dixon / Morales | Riley Mk XI Lexus | CGR Grand Am | 1:45.783 | 1:45.7830 | 1:49.0160 | 1:48.1560 | 1:50.5850 |
| 2nd | 10 | Angelelli / Taylor / Collard | Riley Mk XI Pontiac | SunTrust Racing | 1:46.095 | 1:46.0950 | 1:48.6310 | 1:46.7010 | 1:49.5720 |
| 3rd | 54 | Pilgrim / Borcheller / Fittipaldi / Barber | Doran JE4 Pontiac | Bell Motorsports | 1:46.283 | 1:46.2830 | 1:48.9320 | 1:47.9830 | 1:50.4210 |
| 4th | 2 | Wallace / Earnhardt, Jr. / Stewart | Crawford DP03 Chevrolet | Howard - Boss Motorsports | 1:46.376 | 1:46.3760 | 1:48.9700 | 1:48.9540 | 1:49.4220 |
| 5th | 58 | Donohue / Law / Luhr / Maassen | Fabcar FDSC/03 Porsche | Red Bull - Brumos Porsche | 1:46.441 | 1:46.4410 | 1:49.4110 | 1:48.3110 | 1:49.4550 |
| 6th | 27 | Theys / Goossens / Lammers / Lienhard | Doran JE4 Lexus | Doran Lista Racing | 1:47.751 | 1:47.7510 | 1:49.9450 | 1:49.2110 | 1:51.0180 |
| 7th | 4 | Leitzinger / Forbes-Robinson / Johnson / Brule | Crawford DP03 Chevrolet | Howard - Boss Motorsports | 1:47.780 | 1:47.7800 | 1:49.9170 | 1:49.1780 | no time |
| 8th | 6 | Collins / Erdos / Wagner / Newton | Doran JE4 Lexus | Michael Shank Racing | 1:48.228 | 1:48.2280 | 1:50.4230 | 1:49.1890 | 1:49.6820 |
| 9th | 09 | Goad / Gordon / Duno / Grégoire | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:48.643 | 1:48.6430 | 1:50.3270 | 1:49.9340 | 1:50.8340 |
| 10th | 59 | France / Haywood / Sharp / Riggins | Fabcar FDSC/03 Porsche | Brumos Racing | 1:48.662 | 1:48.6620 | 1:50.1840 | 1:50.5370 | 1:51.2420 |
| 11th | 7 | Lewis / Robinson / Baldwin / Rice / Southard | Fabcar FDSC/03 BMW | Southard Motorsports | 1:48.879 | 1:48.8790 | 1:51.5510 | 1:50.3600 | 1:50.5950 |
| 12th | 70 | Tremblay / Wellman / Hall / Huang | Multimatic MDP1 Ford Focus | SpeedSource | 1:49.240 | 1:49.2400 | 1:51.5600 | 1:49.2930 | 1:55.7810 |
| 13th | 5 | Maxwell / Pruskowski / Pruskowski / Bentley | Multimatic MDP1 Ford Focus | Essex Racing | 1:49.502 | 1:49.5020 | 1:52.4000 | 1:50.9910 | 1:52.8300 |
| 14th | 9 | Borkowski / Mears, Jr. / Luyendyk, Jr. / Ham / Bell | Multimatic MDP1 Ford Focus | Mears Motorcoach/SpeedSource | 1:50.304 | 1:50.3040 | 1:52.2010 | 1:50.8350 | 1:54.0280 |
| 15th | 45 | Jeannette / Brockman / Newman / Petty | Fabcar FDSC/03 Porsche | Gunnar Racing | 1:50.419 | 1:50.4190 | 1:51.7170 | 1:51.0520 | 1:52.8410 |
| 16th | 80 | Guenette / Workman / Marshall / Marshall / *Spatafora | Picchio DP2 BMW | G&W Motorsports | 1:51.920 | 1:51.9200 | 1:53.6940 | 1:58.0220 | 1:53.2810 |
| 17th | 74 | Pechnik / Neiman / Van Overbeek / Cunningham / Rockenfeller | Porsche 996 GT3 Cup | Flying Lizard Motorsports | 1:52.840 | 1:53.3570 | 1:53.9040 | 1:52.8400 | 1:54.4980 |
| 18th | 44 | Fitzgerald / Liddell / Mowlem / Policastro / Policastro, Jr. | Porsche 996 GT3-RS | Orbit Racing | 1:53.043 | 1:53.5430 | 1:54.7080 | 1:53.0430 | 1:55.1780 |
| 19th | 66 | Buckler / Bernhard / Long / Bergmeister | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 1:53.543 | 1:53.5430 | 1:54.3470 | 1:54.2900 | 1:55.5150 |
| 20th | 68 | James / Gleason / Valentine / Kroczek / Zimroth | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 1:53.660 | 1:53.6600 | 1:56.2460 | 1:56.4810 | 1:59.2360 |
| 21st | 67 | Nearn / Ehret / Matthews / Nielsen / Sauvage | Porsche 996 GT3-RS | The Racers Group/Monster Cable | 1:54.268 | 1:54.2680 | 1:55.6400 | 1:55.7460 | 1:56.1520 |
| 22nd | 21 | Auberlen / Jönsson / Hand / *Said / *Marks | BMW M3 E46 | Prototype Technology Group | 1:54.462 | 1:55.6450 | 1:55.3970 | 1:58.3220 | 1:54.4620 |
| 23rd | 15 | Gaylord / Kitch / Olsen / Hessert, III / *Hessert | Multimatic MDP1 Ford Focus | Essex Racing | 1:54.486 | 1:54.4860 | 1:56.0650 | 1:55.3440 | 1:56.5520 |
| 24th | 22 | Jönsson / Said / Hand / Marks / Auberlen | BMW M3 E46 | Prototype Technology Group | 1:54.625 | 1:56.6380 | 1:55.9850 | 1:55.3590 | 1:54.6250 |
| 25th | 73 | Peter / Montermini / Engelhorn / Quester | Ferrari 360 Modena N-GT | Red Bull BE Racing | 1:54.629 | 1:54.6290 | 1:55.8880 | 1:55.2770 | 1:54.9810 |
| 26th | 11 | Alexander / Alessi / *Gay / *Mediani / *Dana | Ferrari 360 Modena N-GT | JMB Racing USA | 1:54.868 | 1:54.9630 | 1:56.6580 | 1:54.8680 | 1:56.5240 |
| 27th | 24 | Bambard / Halsmer / Heinricy / Nowicki | Chevrolet Corvette C5 | Specter Werks/Sports | 1:55.043 | 1:56.3560 | 1:55.0430 | 1:56.6110 | 1:59.6280 |
| 28th | 75 | Neiman / Pechnik / Van Overbeek / Cunningham / Rockenfeller | Porsche 996 GT3-RS | Flying Lizard Motorsports | 1:55.292 | 1:55.2920 | | 1:55.3240 | 1:58.1830 |
| 29th | 57 | Vance / Masarati / Stevenson / Buttermore | Porsche 996 GT3-R | Stevenson Motorsports/Auto Assets | 1:55.764 | 1:55.7640 | 1:57.3190 | 1:57.9450 | 2:13.9810 |
| 30th | 88 | Couceiro / Amaral / Gião / *Barbot | Porsche 996 GT3-RS | ASM Team | 1:56.088 | 1:56.0880 | 1:57.5560 | 1:57.9900 | 1:57.3940 |
| 31st | 56 | Burgess / Collin / van Merksteijn / Rosa / Rosa | Porsche 996 GT3-RS | Seikel Motor Sport | 1:56.122 | 1:56.1220 | 1:57.0080 | 1:57.1920 | 1:57.1670 |
| 32nd | 33 | de Simone / Earle / Assentato / Longhi | Maserati Trofeo Light | Scuderia Ferrari of Washington | 1:56.596 | 1:57.3210 | 1:57.5360 | 1:58.0200 | 1:56.5960 |
| 33rd | 60 | Puleo / Dubler / Kennedy / Evans | Chevrolet Corvette | Xtreme Racing Group | 1:56.649 | 1:56.6490 | 1:58.9370 | 1:58.8580 | 2:02.3840 |
| 34th | 30 | Lazzaro / Kelleners / Bobbi | Maserati Light GT | Risi Competizione | 1:56.882 | 1:56.8820 | 1:59.5700 | 1:57.5620 | 1:58.1000 |
| 35th | 13 | Davis / Cawley / Espenlaub / Foster | Porsche 996 GT3 Cup | Foxhill Racing | 1:57.025 | 1:57.0250 | 1:59.3790 | 1:58.6600 | 1:58.0480 |
| 36th | 83 | Wilson / Mountain / Konig | Porsche 996 GT3-RS | Cirtek Motorsport | 1:57.034 | 1:57.0340 | 1:58.7670 | 1:58.7350 | 2:07.9670 |
| 37th | 97 | Orcutt / Thiel / Dobson / Jenkins | Porsche 996 GT3-R | Graham Nash Motorsport | 1:57.114 | 1:57.1140 | 1:58.1770 | 1:58.3130 | 2:00.0900 |
| 38th | 98 | Zitza / Riddell / Von Seelen / de Quesada / Feinstein | Porsche 996 GT3 Cup | GT Technologies | 1:57.222 | 1:57.2220 | 1:59.7020 | 1:58.5240 | 2:06.1100 |
| 39th | 93 | Drudi / Monfardini / Meneghello / Colasacco / Fonferko | Ferrari 360 Modena Challenge | Mastercar | 1:57.385 | 1:57.3850 | 1:58.0710 | 1:58.3860 | 2:02.3950 |
| 40th | 72 | Lewis / McGlynn / Matos / Lluch | Porsche 996 GT3 Cup | Jack Lewis Enterprises | 1:57.437 | 1:57.4370 | 1:58.8330 | 1:58.9630 | 2:01.8420 |
| 41st | 38 | Pobst / Lally / Littlechild / Bunting / Levitas | Porsche 996 GT3 Cup | TPC Racing | 1:57.517 | 1:57.5170 | 1:59.3610 | 1:58.1660 | 2:02.8770 |
| 42nd | 16 | Stanton / Murry / Sugden | Porsche 996 GT3 Cup | AASCO Motorsports | 1:57.741 | 2:05.7990 | 1:58.3840 | 1:57.7410 | 1:58.7100 |
| 43rd | 91 | Dumoulin / Lieb / Julien / Pootmans | Porsche 996 GT3 Cup | Doncaster Racing | 1:57.837 | 1:57.8370 | 1:58.6990 | 1:57.8880 | 1:58.0120 |
| 44th | 63 | Plumb / Lewis / Wolfkill / Escalette | Porsche 996 GT3 Cup | Glenn Yee Motorsports | 1:58.523 | 1:58.7850 | 1:58.6630 | 1:58.5230 | 1:59.5260 |
| 45th | 14 | Friedman / Wilson / Patch / Merzon / Smith | Porsche 996 GT3 Cup | Autometrics Motorsports | 1:58.906 | 1:58.9060 | 2:00.6800 | 1:59.3820 | 2:03.2540 |
| 46th | 71 | Lacey / Wilkins / Nastasi / Wilkins / Wilden | Porsche 996 GT3 Cup | Doncaster Racing | 1:58.915 | 2:06.4010 | 1:59.5490 | 1:59.0290 | 1:58.9150 |
| 47th | 17 | Kunz / Clark / Becker / Flanagan / *Webber | Porsche 996 GT3 Cup | AASCO Motorsports | 1:59.790 | 2:01.7180 | 2:02.7270 | 1:59.7900 | 2:07.1640 |
| 48th | 94 | Casadei / Labhardt / Jurasz / Michaelian | Ferrari 360 Modena N-GT | Mastercar | 1:59.816 | 1:59.8160 | 2:02.9800 | 2:01.5990 | 2:01.1210 |
| 49th | 41 | Nonnamaker / Nonnamaker / Menard / Menard / Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 2:00.310 | 2:00.6350 | 2:01.7020 | 2:00.3100 | 2:00.3580 |
| 50th | 00 | Derment / Baron / Puddester / Bernheim | Porsche 996 GT3 Cup | Team Vision | 2:00.485 | 2:00.7270 | 2:01.5840 | 2:02.0680 | 2:00.4850 |
| 51st | 82 | Lynn / Henricks / Brillhart / Heath | Porsche 996 GT3 Cup | dds Racing | 2:00.810 | 2:00.8100 | 2:02.0920 | 2:01.7430 | 2:04.7700 |
| 52nd | 42 | Nonnamaker / Menard / Menard | Porsche 996 GT3 Cup | TheRaceSite.com Racing | 2:01.043 | 2:02.0690 | | 2:01.3640 | 2:01.0430 |
| 53rd | 46 | Argetsinger / Patterson / Pew / Victor / Cioti | Chevrolet Corvette Z06 | Michael Baughman Racing | 2:01.301 | 2:02.7140 | 2:01.3010 | 2:02.0370 | 2:08.2520 |
| 54th | 47 | Baughman / Ward / Jaeger / Del Vecchio | Porsche 996 GT3 Cup | Michael Baughman Racing | 2:01.547 | 2:01.7500 | 2:01.5470 | 2:03.1290 | 2:08.0000 |
| 55th | 86 | Krohn / Forristall / Van Wijk / Van Der Dys / Trentini | Porsche 996 GT3 Cup | G&W Motorsports | 2:04.115 | 2:04.4260 | 2:04.7310 | 2:07.3800 | 2:04.1150 |