| 1st | 01 | Pruett / Diaz / Briscoe | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:46.9280 | 192.8895 | 1:46.9280 | |
| 2nd | 10 | Angelelli / Taylor / Collard | Riley Mk XI Pontiac | SunTrust Racing | 1:46.9450 | 192.8590 | 1:46.9450 | |
| 3rd | 66 | Papis / Bergmeister / Gavin | Riley Mk XI Pontiac | Krohn Racing/TRG | 1:47.1660 | 192.4615 | 1:47.1660 | |
| 4th | 02 | Johansson / Wagner / McMurray | Riley Mk XI Lexus | New Century Mtg/Chip Ganassi w/Sabates | 1:47.2600 | 192.2925 | 1:47.2600 | |
| 5th | 03 | Dixon / Mears / Manning | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:47.4800 | 191.8998 | 1:47.4800 | |
| 6th | 20 | Wallace / Lammers / Stewart | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:47.5280 | 191.8145 | 1:47.5280 | |
| 7th | 44 | Magnussen / Labonte / Labonte / Herta | Doran JE4 Pontiac | Doran Racing | 1:47.6460 | 191.6037 | 1:47.6460 | |
| 8th | 4 | Leitzinger / Forbes-Robinson / Johnson | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:47.8770 | 191.1933 | 1:47.8770 | |
| 9th | 39 | Goossens / Smith / Sharp / Matthews | Riley Mk XI Pontiac | Orbit Racing | 1:47.9680 | 191.0323 | 1:47.9680 | |
| 10th | 77 | Gollin / Bobbi / Theys | Doran JE4 Lexus | Doran Racing | 1:48.0220 | 190.9358 | 1:48.0220 | |
| 11th | 19 | Gidley / McDowell / Valiante / Bomarito | Riley Mk XI BMW | Ten Motorsports | 1:48.1930 | 190.6348 | 1:48.1930 | |
| 12th | 6 | Borkowski / Mears, Jr. / Connor / Dayton | Riley Mk XI Pontiac | Michael Shank Racing | 1:48.2610 | 190.5157 | 1:48.2610 | |
| 13th | 79 | da Matta / Bourdais / Newman / Brockman | Crawford DP03 Ford | Newman Racing/Silverstone Racing | 1:48.4660 | 190.1553 | 1:48.4660 | |
| 14th | 58 | Donohue / Law / Luhr / Maassen | Fabcar FDSC/03 Porsche | Red Bull/Brumos Racing | 1:49.3240 | 188.6634 | 1:49.3240 | |
| 15th | 54 | Fittipaldi / Tracy / Borcheller / Kelleners / *Barber | Doran JE4 Pontiac | Kodak - Bell Motorsports | 1:49.3660 | 188.5894 | 1:49.3660 | |
| 16th | 49 | Maxwell / Busch / Kenseth / Biffle | Multimatic MDP1 Ford Focus | Multimatic Motorsports | 1:49.4580 | 188.4317 | 1:49.4580 | |
| 17th | 5 | Dyson / Brix / Dyson / Gue | Crawford DP03 Ford | Essex Racing | 1:49.8070 | 187.8330 | 1:49.8070 | |
| 18th | 2 | Franchitti / Duno / Franchitti / Wheldon | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:50.0380 | 187.4387 | 1:50.0380 | |
| 19th | 09 | Goad / Grégoire / Moreno / Ward | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:50.1100 | 187.3164 | 1:50.1100 | |
| 20th | 8 | Frisselle / Erdos / Frisselle / Newton | Doran JE4 BMW | Rx.com/Synergy Racing | 1:50.3340 | 186.9350 | 1:50.3340 | |
| 21st | 50 | Bucknum / Nastasi / Zogaib / Peterson / Duder | Multimatic MDP1 Ford Focus | Blackforest Motorsports | 1:50.4660 | 186.7129 | 1:50.4660 | |
| 22nd | 74 | Dallenbach, Jr. / Dallenbach / Robinson / Unser | Riley Mk XI Lexus | Robinson Racing | 1:50.6640 | 186.3781 | 1:50.6640 | |
| 23rd | 9 | Zacharias / Donner / Foster / Skelton / Rosser | Doran JE4 Infiniti | Hyper Sport | 1:50.9320 | 185.9275 | no time | 1:50.9320 |
| 24th | 29 | Vargo / Vargo / Vargo / Refenning | Fabcar FDSC/03 Porsche | Brumos Racing | 1:51.9760 | 184.1942 | 1:51.9760 | |
| 25th | 3 | Grala / Patterson / Wahl / Kroczek / Lewis | Fabcar FDSC/03 Lexus | Cegwa Sport/Southard Motorsports | 1:55.3580 | 178.7949 | 1:55.3580 | |
| 26th | 18 | Miller / Bingham / Ivankovich / Burgess / *Rice | Chase CCE-001 Pontiac | Chase Competition Eng/CB Motorsports | 1:55.6630 | 178.3234 | 1:55.6630 | |
| 27th | 71 | Henzler / Farnbacher / Ehret / Price | Porsche 996 GT3 Cup | Farnbacher Racing USA | 1:55.9580 | 177.8695 | 1:55.9580 | |
| 28th | 36 | Pobst / Pumpelly / Dumoulin / Levitas / Littlechild | Porsche 996 GT3 Cup | TPC Racing | 1:56.4740 | 177.0809 | 1:56.4740 | |
| 29th | 65 | Lally / Bunting / Plumb / de Quesada / Buckler | Porsche 996 GT3 Cup | Auto Gallery/TRG | 1:56.5670 | 176.9393 | 1:56.5670 | |
| 30th | 00 | Baird / Morris / Ambrose / Teulan | Porsche 996 GT3 Cup | Aussie Assault | 1:56.7660 | 176.6384 | 1:58.3200 | 1:56.7660 |
| 31st | 51 | Wendlinger / Mowlem / Vosse / Quester | Porsche 996 GT3 Cup | Red Bull Ebimotors | 1:56.8160 | 176.5627 | 1:57.9160 | 1:56.8160 |
| 32nd | 75 | Pechnik / Neiman / Van Overbeek / *Fogarty / *Long | Porsche 996 GT3 Cup | Flying Lizard Motorsports | 1:57.1100 | 176.1202 | 1:57.1100 | |
| 33rd | 21 | Auberlen / Hand / James / Gleason | BMW M3 E46 | Prototype Technology Group | 1:57.1790 | 176.0156 | 1:58.1660 | 1:57.1790 |
| 34th | 73 | Liddell / Baldwin / Stanton / Tafel / Davis | Porsche 996 GT3 Cup | Baldwin-Tafel Racing | 1:57.2980 | 175.8369 | 1:57.2980 | |
| 35th | 06 | Derment / Lewis / Hainer / Roush / Bernheim | Porsche 996 GT3 Cup | Bernheim Porsche Racing | 1:57.5400 | 175.4748 | no time | 1:57.5400 |
| 36th | 11 | Plumb / Gooding / Boss / Michaelian | Ferrari 360 Modena Challenge | JMB Racing USA | 1:57.8180 | 175.0612 | no time | 1:57.8180 |
| 37th | 37 | Fitzgerald / Matos / Assentato / *Longhi | Porsche 996 GT3 Cup | TPC Racing | 1:57.8560 | 175.0049 | 1:58.8530 | 1:57.8560 |
| 38th | 61 | Nearn / Wilkins / Lacey / Shep / Wilkins | Porsche 996 GT3 Cup | TRG East | 1:57.9190 | 174.9116 | 1:57.9190 | |
| 39th | 93 | Cosmo / Stewart / *Stewart / *Stewart / *Gilbert | Porsche 996 GT3 Cup | TPC Racing | 1:57.9460 | 174.8713 | 1:57.9460 | |
| 40th | 22 | Marks / Milner / Collins / Valentine | BMW M3 E46 | Prototype Technology Group | 1:57.9800 | 174.8214 | 1:58.9140 | 1:57.9800 |
| 41st | 41 | Nonnamaker / Nonnamaker / Nonnamaker / Jakes | Porsche 996 GT3 Cup | Team Sahlen | 1:58.1200 | 174.6138 | 2:19.8370 | 1:58.1200 |
| 42nd | 64 | Couceiro / Policastro, Jr. / Sauvage / Amaral / Policastro | Porsche 996 GT3 Cup | Auto Gallery/TRG | 1:58.3130 | 174.3290 | 1:58.3130 | |
| 43rd | 52 | Drudi / Rosa / Monzón / de Villota | Ferrari 360 Modena Challenge | Mastercar | 1:58.5160 | 174.0296 | 2:02.8990 | 1:58.5160 |
| 44th | 14 | Keen / Friedman / Bacon / Johnson | Porsche 996 GT3 Cup | Autometrics Motorsports | 1:58.5210 | 174.0232 | 1:58.5210 | 1:59.3940 |
| 45th | 16 | Bentley / Braun / Carrio / Coleman / Buckler | Porsche 996 GT3 Cup | TRG | 1:58.5800 | 173.9363 | 1:58.5800 | |
| 46th | 53 | Ragazzi / Diez de Villarroel / Chiminelli / Bertuzzi | Ferrari 360 Modena Challenge | Mastercar | 1:59.1600 | 173.0898 | 2:02.6040 | 1:59.1600 |
| 47th | 23 | Espenlaub / Szekeres / Hanson / Villamil / Del Vecchio | Pontiac GTO | Horizon Motorsports LLC | 1:59.4620 | 172.6520 | 1:59.8160 | 1:59.4620 |
| 48th | 04 | Sigal / Konôpka / Hanson / Konstant / Wilton | Porsche 996 GT3 Cup | Sigalsport | 1:59.5610 | 172.5088 | 1:59.5610 | 1:59.5860 |
| 49th | 86 | Sellers / Urciuoli / Workman / Marshall | Picchio DP2 BMW | Synergy Racing | 1:59.5870 | 172.4718 | 1:59.5870 | |
| 50th | 81 | Gaylord / Van Wijk / Murry / Emory | Porsche 996 GT3 Cup | Team Seattle/Synergy Racing | 1:59.8520 | 172.0904 | 1:59.8520 | |
| 51st | 43 | Zitza / Blum / Lux / Allen / Gonzalez, Jr. | Porsche 996 GT3 Cup | Team Sahlen | 2:00.2210 | 171.5625 | no time | 2:00.2210 |
| 52nd | 63 | Master / Flanagan / Sluszny / Clark | Porsche 996 GT3 Cup | Auto Gallery/TRG | 2:00.2580 | 171.5094 | 2:00.2580 | |
| 53rd | 62 | Inoue / Fujita / Wada / Hirakawa / Takahashi | Porsche 996 GT3 Cup | Auto Gallery/TRG | 2:00.9240 | 170.5647 | 2:00.9240 | |
| 54th | 80 | Kitch / Gagne / Pickering / Pallis | Porsche 996 GT3 Cup | Team Seattle/Synergy Racing | 2:03.3700 | 167.1835 | 2:05.2410 | 2:03.3700 |
| 55th | 85 | Phipps / Hardage / Nahir / Mayer / Trentini | Porsche 996 GT3 Cup | Condor Motorsports | 2:03.4260 | 167.1062 | 2:05.0410 | 2:03.4260 |
| 56th | 78 | Bonham / Phillips / Orwicz / Williams / Fairchild | Porsche 996 GT3 Cup | Farnbacher Racing USA | 2:03.7190 | 166.7119 | 2:03.7190 | |
| 57th | 46 | Baughman / Yeakle | Chevrolet Corvette | Michael Baughman Racing | 2:04.2330 | 166.0215 | no time | 2:04.2330 |
| 58th | 08 | Goldin / Finlay / Goldin / Shuster | Mazda RX-8 | Goldin Brothers Racing | 2:07.1880 | 162.1639 | 2:07.1880 | 2:26.2720 |
| 59th | 55 | Arnold / Thiel / Stevenson / MacAlpine / Turner | Chevrolet Corvette | ASC Motorsports | 2:11.7330 | 156.5699 | no time | 2:11.7330 |
| 60th | 59 | France / Haywood / Bernhard / Rockenfeller / Dumas | Fabcar FDSC/03 Porsche | Brumos Racing | 2:16.8610 | 150.7022 | no time | 2:16.8610 |
| 28th | 67 | Jönsson / Krohn / Rice / Said / Morales | Riley Mk XI Pontiac | Krohn Racing/TRG | no time | | | |
| 54th | 48 | Seiler / Hauser / Puleo / Dubler | Chevrolet Corvette | Xtreme Racing Group | no time | | | |