| 1st | 23 | Long / Rockenfeller / Luhr | Crawford DP03 Porsche | Alex Job Racing/Emory Motorsports | 1:44.0090 | 198.3034 | 1:44.0090 | |
| 2nd | 10 | Taylor / Collard / Angelelli / Briscoe | Riley Mk XI Pontiac | SunTrust Racing | 1:44.3950 | 197.5711 | 1:44.3950 | 1:45.7020 |
| 3rd | 02 | Dixon / Wheldon / Mears | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:44.6090 | 197.1656 | 1:44.6090 | |
| 4th | 99 | Gurney / Stallings / Vasser / Moran, Jr. | Riley Mk XI Pontiac | Gainsco/Blackhawk Racing | 1:44.6750 | 197.0416 | 1:44.6750 | |
| 5th | 78 | Zacharias / Bourdais / Boesel | Doran JE4 Ford | Doran Racing | 1:44.6910 | 197.0111 | 1:44.6910 | |
| 6th | 60 | Negri / Patterson / Allmendinger / Wilson | Riley Mk XI Lexus | Michael Shank Racing | 1:44.7710 | 196.8614 | 1:44.7710 | |
| 7th | 19 | Gidley / McDowell / Barron | Crawford DP03 Ford | Playboy/Uniden Racing | 1:44.8270 | 196.7568 | 1:44.8270 | |
| 8th | 12 | Fernandez / Haberfeld / Sharp | Riley Mk XI Pontiac | Lowe's Fernandez Racing | 1:44.8380 | 196.7359 | 1:44.8380 | |
| 9th | 28 | Valiante / Finlay / Herta / Rice | Crawford DP03 Ford | Finlay Motorsports | 1:44.9330 | 196.5572 | 1:44.9330 | |
| 10th | 3 | Lewis / Szekeres / LaJoie / Burgess | Riley Mk XI BMW | Southard Motorsports | 1:44.9440 | 196.5363 | 1:44.9440 | |
| 11th | 01 | Pruett / Diaz / Papis | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:44.9690 | 196.4896 | 1:44.9690 | |
| 12th | 59 | France / Barbosa / Christopher / Haywood | Fabcar FDSC/03 Porsche | Brumos Racing | 1:44.9830 | 196.4639 | 1:44.9830 | |
| 13th | 8 | Frisselle / Frisselle / Field / Huisman | Doran JE4 Porsche | Synergy Racing | 1:44.9960 | 196.4397 | 1:44.9960 | |
| 14th | 6 | Tracy / Mears, Jr. / Borkowski / Wilden | Riley Mk XI Lexus | Graydon Elliott Fusion Racing with MSR | 1:45.0150 | 196.4043 | 1:45.0150 | |
| 15th | 39 | Fittipaldi / Cheever, Jr. / Carpentier | Crawford DP03 Lexus | Cheever Racing | 1:45.1890 | 196.0793 | 1:45.1890 | |
| 16th | 58 | Donohue / Law / Maassen | Fabcar FDSC/03 Porsche | Red Bull/Brumos Porsche | 1:45.1970 | 196.0648 | 1:45.1970 | |
| 17th | 89 | Dalziel / Fogarty / Figge / Empringham | Riley Mk XI Pontiac | Pacific Coast Motorsports | 1:45.4240 | 195.6415 | 1:45.4240 | |
| 18th | 7 | Franchitti / Duno / Franchitti / McGarrity | Riley Mk XI Pontiac | CITGO Racing by SAMAX | 1:45.6730 | 195.1812 | 1:45.6730 | |
| 19th | 2 | Lammers / Patrick / McNish / Wallace | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:45.9530 | 194.6646 | 1:45.9530 | |
| 20th | 51 | Johansson / Hughes / Erdos | Crawford DP03 Lexus | Cheever Racing | 1:46.0740 | 194.4426 | 1:46.0740 | |
| 21st | 77 | Barber / Borcheller / Jourdain / Brix | Doran JE4 Ford | Feeds The Need/Doran Racing | 1:46.2540 | 194.1142 | 1:46.2540 | |
| 22nd | 4 | Wallace / Leitzinger / Stewart | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:46.3930 | 193.8600 | 1:46.3930 | |
| 23rd | 84 | Dallenbach, Jr. / Robinson / Dallenbach / Brassfield | Riley Mk XI Pontiac | Robinson Racing | 1:46.6130 | 193.4592 | 1:46.6130 | |
| 24th | 40 | Fellows / Ruhlman / Bingham / Bell | Riley Mk XI Pontiac | Derhaag Motorsports | 1:46.7420 | 193.2259 | 1:46.7420 | |
| 25th | 5 | Dayton / Knoop / DeVries / Matthews / Gue | Crawford DP03 Ford | Essex Racing | 1:46.9810 | 192.7946 | 1:46.9810 | |
| 26th | 50 | Zogaib / James / Nastasi / Gleason | Crawford DP03 Ford | Blackforest Motorsports | 1:47.2210 | 192.3633 | 1:47.2210 | |
| 27th | 09 | Goad / Primat / Labonte / Oberto | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:47.6340 | 191.6246 | 1:47.6340 | |
| 28th | 16 | Dyson / Dyson / Gavin / Smith | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:48.0360 | 190.9117 | 1:48.0360 | |
| 29th | 11 | Tuttle / Petty / Said | Riley Mk XI BMW | Tuttle Team Racing/SAMAX | 1:51.4860 | 185.0038 | 1:51.4860 | |
| 30th | 72 | Henzler / Liddell / Van Overbeek / Rahal | Porsche 997 GT3 Cup | Tafel Racing | 1:53.3360 | 181.9846 | 1:53.3360 | |
| 31st | 74 | Davis / Espenlaub / Lux / Tafel / Cawley | Porsche 997 GT3 Cup | Tafel Racing | 1:53.4610 | 181.7835 | 1:53.4610 | |
| 32nd | 82 | Werner / Peter / Quester / Riccitelli | Porsche 997 GT3 Cup | Farnbacher Racing/Farnbacher Loles | 1:53.7260 | 181.3602 | 1:53.7260 | 1:53.9280 |
| 33rd | 70 | Tremblay / Haskell / Altenburg / Ham | Mazda RX-8 | SpeedSource | 1:53.8460 | 181.1687 | 1:53.8460 | no time |
| 34th | 64 | Edwards / Collins / Pilgrim / Magnussen | Pontiac GTO.R | TRG | 1:53.8610 | 181.1445 | 1:54.1640 | 1:53.8610 |
| 35th | 65 | Lally / Bunting / Valentine / O'Connell | Pontiac GTO.R | TRG | 1:53.9830 | 180.9514 | 1:55.5540 | 1:53.9830 |
| 36th | 83 | Farnbacher / Fitzgerald / Ehret / Basseng | Porsche 997 GT3 Cup | Farnbacher Loles/Orbit Racing | 1:54.0030 | 180.9192 | 1:54.0030 | 1:54.9960 |
| 37th | 36 | Pobst / Pumpelly / Levitas / Baas | Porsche 996 GT3 Cup | TPC Racing | 1:54.0530 | 180.8404 | 1:54.0530 | no time |
| 38th | 22 | Dumoulin / Longhi / Assentato / Pechnik / Thornton | Porsche 996 GT3 Cup | Fiorano Racing | 1:54.2240 | 180.5700 | 1:54.6760 | 1:54.2240 |
| 39th | 17 | Mowlem / Arnold / Sellers / Shep / Seyffarth | Porsche 997 GT3 Cup | SAMAX | 1:54.3000 | 180.4493 | 1:55.4410 | 1:54.3000 |
| 40th | 05 | Auberlen / Alhadeff / Milner / Marks / Sigal | BMW M3 E46 | Sigalsport BMW | 1:54.3220 | 180.4139 | 1:54.3220 | no time |
| 41st | 06 | Archer / Reese / Oasis / Crescentini | Chevrolet Corvette | Banner Racing | 1:54.5740 | 180.0180 | 1:54.5740 | no time |
| 42nd | 57 | Rice / Riggins / Stevenson / Trenery / Cicero | Chevrolet Corvette | Stevenson Motorsports | 1:54.8290 | 179.6173 | 1:56.2470 | 1:54.8290 |
| 43rd | 80 | Murry / Keen / Stanton / Pompidou | Porsche 996 GT3 Cup | Synergy Racing | 1:54.9640 | 179.4064 | 1:54.9640 | 1:54.9900 |
| 44th | 71 | Lacey / Martini / Wilkins / Wilkins / Mowlem | Porsche 997 GT3 Cup | SAMAX/Doncaster Racing | 1:56.0060 | 177.7955 | 1:58.6370 | 1:56.0060 |
| 45th | 41 | Nonnamaker / Nonnamaker / Nonnamaker / Gonzalez, Jr. | Porsche 996 GT3 Cup | Team Sahlen | 1:56.0160 | 177.7810 | 1:56.0160 | 1:56.6270 |
| 46th | 00 | Zitza / Thomasson / Lewis, Jr. / Wheeler | Porsche 996 GT3 Cup | TZ Motorsports | 1:56.8160 | 176.5627 | 1:56.8160 | 1:57.0110 |
| 47th | 87 | Gaylord / Hill / Hill / Diefenbach | Porsche 997 GT3 Cup | Synergy Racing | 1:56.8540 | 176.5048 | 1:57.6810 | 1:56.8540 |
| 48th | 93 | Ave / Stewart / Stewart / Gilbert / Stewart | Porsche 996 GT3 Cup | TPC Racing | 1:57.2550 | 175.9013 | 1:57.2550 | no time |
| 49th | 68 | Pace / Greist / Lowe | Porsche 996 GT3 Cup | TRG | 1:57.4400 | 175.6245 | 1:57.4400 | no time |
| 50th | 66 | Ortelli / Nearn / Sauvage / Johnson | Porsche 997 GT3 Cup | TRG | 1:57.4740 | 175.5730 | 6:46.4840 | 1:57.4740 |
| 51st | 21 | Van Uitert / Connolly / de Quesada / Sutherland / Sutherland | BMW M3 E46 | Matt Connolly Motorsports | 1:57.5330 | 175.4861 | 1:58.8290 | 1:57.5330 |
| 52nd | 52 | Bertuzzi / Monzón / McCormick / Baron | Ferrari 360 Modena Challenge | Mastercar | 1:57.5900 | 175.4008 | 1:58.2810 | 1:57.5900 |
| 53rd | 04 | Sigal / MacLeod / Konôpka / Rosser | BMW M3 E46 | Sigalsport BMW | 1:57.8280 | 175.0467 | 1:57.8280 | no time |
| 54th | 69 | Vargo / Vargo / Herrington / Refenning | Porsche 996 GT3 Cup | TRG | 1:57.9710 | 174.8343 | 1:57.9710 | no time |
| 55th | 24 | O'Shaughnessy / Cotter / Malloy / Shalit / Johnson | BMW M3 E46 | Matt Connolly Motorsports | 1:58.7930 | 173.6241 | 1:59.6140 | 1:58.7930 |
| 56th | 63 | Spencer / Spencer / Mandeville / Grupp / Drummond | Mazda RX-8 | Team Spencer Motorsports | 1:58.7950 | 173.6209 | no time | 1:58.7950 |
| 57th | 08 | Goldin / Goldin / Finlay / Richards / Thiel | Mazda RX-8 | Goldin Brothers Racing | 1:59.4580 | 172.6585 | 1:59.4580 | no time |
| 58th | 67 | Flanagan / Kroczek / Keith / Bullock | Porsche 996 GT3 Cup | TRG | 1:59.7530 | 172.2320 | 2:00.0580 | 1:59.7530 |
| 59th | 86 | Kitch / Pennington / Gagne / Pallis | Porsche 997 GT3 Cup | Synergy Racing | 2:00.0220 | 171.8457 | 2:01.8610 | 2:00.0220 |
| 60th | 43 | Allen / Hennessy / Michaelian / Matos / Nonnamaker | Porsche 996 GT3 Cup | Team Sahlen | 2:00.5980 | 171.0250 | 2:01.9200 | 2:00.5980 |
| 61st | 48 | Seiler / Dubler / Hauser / DeFontes / Thiel | Chevrolet Corvette | WTF Engineering | 2:00.8650 | 170.6484 | no time | 2:00.8650 |
| 62nd | 81 | Pew / Marshall / Prewitt / Marshall / McCrackin | Porsche 996 GT3 Cup | Synergy Racing | 2:00.8870 | 170.6162 | 2:00.8870 | 2:01.1080 |
| 63rd | 46 | Mason / Baughman / Connolly / Del Vecchio / Collyer | Chevrolet Corvette | Michael Baughman Racing | 2:03.0210 | 167.6566 | 2:11.0950 | 2:03.0210 |
| 30th | 75 | Krohn / Jönsson / Bergmeister / Braun | Riley Mk XI Pontiac | Krohn Racing | no time | | no time | no time |
| 65th | 15 | Friedman / Small / McGehee / Martin / Herring | Porsche 996 GT3 Cup | Autometrics Motorsports | no time | | | no time |
| 66th | 55 | Arnold / Miller / Koselke / Poscente / Montgomery | Chevrolet Corvette | ASC Motorsports | no time | | no time | no time |