| 1st | 23 | Rockenfeller / Luhr / Long | Crawford DP03 Porsche | Alex Job Racing/Emory Motorsports | 1:43.431 | 1:43.4310 |
| 2nd | 10 | Taylor / Collard / Angelelli / Briscoe | Riley Mk XI Pontiac | SunTrust Racing | 1:43.698 | 1:43.6980 |
| 3rd | 58 | Donohue / Law / Maassen / Christopher | Fabcar FDSC/03 Porsche | Red Bull/Brumos Porsche | 1:43.953 | 1:43.9530 |
| 4th | 19 | Gidley / McDowell / Baron | Crawford DP03 Ford | Finlay Motorsports | 1:44.047 | 1:44.0470 |
| 5th | 02 | Dixon / Wheldon / Mears | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:44.065 | 1:44.0650 |
| 6th | 6 | Wilden / Mears, Jr. / Borkowski / Tracy | Riley Mk XI Lexus | Graydon Elliot Fusion Racing with MSR | 1:44.163 | 1:44.1630 |
| 7th | 01 | Pruett / Diaz / Papis | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:44.210 | 1:44.2100 |
| 8th | 60 | Patterson / Negri / Allmendinger / Wilson | Riley Mk XI Lexus | Michael Shank Racing | 1:44.543 | 1:44.5430 |
| 9th | 2 | Wallace / Patrick | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:44.602 | 1:44.6020 |
| 10th | 7 | Tuttle / Duno / Franchitti / Franchitti | Riley Mk XI Pontiac | SAMAX/Tuttle Team Racing | 1:44.955 | 1:44.9550 |
| 11th | 8 | Frisselle / Frisselle / Huisman | Doran JE4 Porsche | Synergy Racing | 1:44.955 | 1:44.9550 |
| 12th | 77 | Brix / Barber / Borcheller / Jourdain | Doran JE4 Ford | Feeds The Need/Doran Racing | 1:44.956 | 1:44.9560 |
| 13th | 75 | Krohn / Jönsson / Bergmeister / Braun | Riley Mk XI Pontiac | Krohn Racing | 1:45.005 | 1:45.0050 |
| 14th | 99 | Stallings / Gurney / Vasser / Moran, Jr. | Riley Mk XI Pontiac | Gainsco/Blackhawk Racing | 1:45.037 | 1:45.0370 |
| 15th | 16 | Dyson / Dyson / Gavin / Smith | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:45.074 | 1:45.0740 |
| 16th | 89 | Figge / Dalziel / Fogarty / Empringham | Riley Mk XI Pontiac | Pacific Coast Motorsports | 1:45.274 | 1:45.2740 |
| 17th | 4 | Wallace / Leitzinger / Stewart | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:45.282 | 1:45.2820 |
| 18th | 97 | Cummins / Ave | Riley Mk XI Pontiac | CyberSpeed Racing | 1:45.321 | 1:45.3210 |
| 19th | 12 | Fernandez / Haberfeld / Sharp | Riley Mk XI Pontiac | Lowe's Fernandez Racing | 1:45.367 | 1:45.3670 |
| 20th | 28 | Finlay / Valiante / Herta / Rice | Crawford DP03 Ford | Finlay Motorsports | 1:45.437 | 1:45.4370 |
| 21st | 39 | Cheever, Jr. / Fittipaldi / Carpentier | Crawford DP03 Lexus | Cheever Racing | 1:45.552 | 1:45.5520 |
| 22nd | 3 | Lewis / LaJoie | Riley Mk XI BMW | Southard Motorsports | 1:45.589 | 1:45.5890 |
| 23rd | 40 | Bingham / Ruhlman / Fellows | Riley Mk XI Pontiac | Derhaag Motorsports | 1:45.640 | 1:45.6400 |
| 24th | 51 | Erdos / Newton / Hughes / Johansson | Crawford DP03 Lexus | Cheever Racing | 1:45.835 | 1:45.8350 |
| 25th | 5 | Dayton / Knoop / DeVries / Matthews | Crawford DP03 Ford | Essex Racing | 1:46.054 | 1:46.0540 |
| 26th | 78 | Zacharias / Brix / Barber / Jourdain | Doran JE4 Ford | Doran Racing | 1:46.182 | 1:46.1820 |
| 27th | 84 | Robinson / Dallenbach, Jr. / Dallenbach / Brassfield | Riley Mk XI Pontiac | Robinson Racing | 1:46.923 | 1:46.9230 |
| 28th | 50 | Zogaib / James / Nastasi / Gleason | Crawford DP03 Ford | Blackforest Motorsports | 1:47.263 | 1:47.2630 |
| 29th | 13 | Pot / Boulle / Howard | Multimatic MDP1 Ford Focus | Primus Racing | 1:47.493 | 1:47.4930 |
| 30th | 88 | Wagner / Wilton / Konstant / Poscente / Kapudija | Chase CCE-001 Pontiac | Maverick Motorsports | 1:48.869 | 1:48.8690 |
| 31st | 91 | Schramm / Baldwin | Fabcar FDSC/03 Pontiac | RVO Motorsports | 1:49.322 | 1:49.3220 |
| 32nd | 74 | Lux / Espenlaub / Davis / Rahal | Porsche 997 GT3 Cup | Tafel Racing | 1:52.704 | 1:52.7040 |
| 33rd | 82 | Werner / Peter / Quester / Wolff | Porsche 997 GT3 Cup | Farnbacher Racing/Farnbacher Loles | 1:53.166 | 1:53.1660 |
| 34th | 17 | Arnold / Seyffarth / Mowlem / Shep | Porsche 997 GT3 Cup | SAMAX | 1:53.668 | 1:53.6680 |
| 35th | 64 | Edwards / Collins / Pilgrim / Magnussen | Pontiac GTO.R | TRG | 1:53.722 | 1:53.7220 |
| 36th | 65 | Lally / Bunting / Valentine / O'Connell | Pontiac GTO.R | TRG | 1:53.764 | 1:53.7640 |
| 37th | 05 | Alhadeff / Auberlen / Milner / Marks | BMW M3 | Sigalsport BMW | 1:53.845 | 1:53.8450 |
| 38th | 73 | Tafel / Cawley / Price / *McQueen | Porsche 996 GT3 Cup | Tafel Racing | 1:53.904 | 1:53.9040 |
| 39th | 70 | Tremblay / Haskell | Mazda RX-8 | SpeedSource | 1:54.299 | 1:54.2990 |
| 40th | 36 | Levitas / Pumpelly / Pobst / Baas | Porsche 996 GT3 Cup | TPC Racing | 1:54.324 | 1:54.3240 |
| 41st | 66 | Johnson / Nearn / Sauvage / Ortelli | Porsche 997 GT3 Cup | TRG | 1:54.350 | 1:54.3500 |
| 42nd | 22 | Assentato / Pumpelly / Longhi / Dumoulin | Porsche 996 GT3 Cup | Fiorano Racing | 1:54.386 | 1:54.3860 |
| 43rd | 71 | Wilkins / Lacey / Wilkins / Martini | Porsche 997 GT3 Cup | SAMAX/Doncaster Racing | 1:54.464 | 1:54.4640 |
| 44th | 83 | Farnbacher / Fitzgerald / Ehret / Basseng | Porsche 997 GT3 Cup | Farnbacher Loles/Orbit Racing | 1:54.628 | 1:54.6280 |
| 45th | 80 | Murry / Keen | Porsche 996 GT3 Cup | Synergy Racing | 1:54.978 | 1:54.9780 |
| 46th | 67 | Bullock / Kroczek / Keith / Flanagan | Porsche 997 GT3 Cup | TRG | 1:55.161 | 1:55.1610 |
| 47th | 06 | Reese / Archer / Oasis / Crescentini | Chevrolet Corvette | Banner Racing | 1:55.627 | 1:55.6270 |
| 48th | 57 | Riggins / Rice / Stevenson | Chevrolet Corvette | Stevenson Motorsports | 1:55.658 | 1:55.6580 |
| 49th | 69 | Vargo / Vargo / Refenning / Herrington | Porsche 996 GT3 Cup | TRG | 1:55.959 | 1:55.9590 |
| 50th | 86 | Kitch / Pennington / Gagne / Pallis | Porsche 997 GT3 Cup | Synergy Racing | 1:56.262 | 1:56.2620 |
| 51st | 81 | Marshall / Marshall / Prewitt / Pew | Porsche 996 GT3 Cup | Synergy Racing | 1:56.383 | 1:56.3830 |
| 52nd | 41 | Nonnamaker / Nonnamaker / Nonnamaker | Porsche 996 GT3 Cup | Team Sahlen | 1:56.587 | 1:56.5870 |
| 53rd | 14 | Small / McGehee / Herring / Martin / Friedman | Porsche 996 GT3 Cup | Autometrics Motorsports | 1:56.716 | 1:56.7160 |
| 54th | 00 | Thomasson / Zitza / Lewis, Jr. / Wheeler | Porsche 996 GT3 Cup | TZ Motorsports | 1:56.914 | 1:56.9140 |
| 55th | 55 | Arnold / MacAlpine / Miller | Chevrolet Corvette | ASC Motorsports | 1:57.331 | 1:57.3310 |
| 56th | 93 | Stewart / Stewart / Gilbert / Ave | Porsche 996 GT3 Cup | TPC Racing | 1:57.598 | 1:57.5980 |
| 57th | 46 | Baughman / Mason / Yeakle | Chevrolet Corvette | Michael Baughman Racing | 1:57.692 | 1:57.6920 |
| 58th | 87 | Gaylord / Hill / Hill / Diefenbach | Porsche 997 GT3 Cup | Synergy Racing | 1:57.768 | 1:57.7680 |
| 59th | 68 | Lowe / Greist / Pace | Porsche 996 GT3 Cup | TRG | 1:58.538 | 1:58.5380 |
| 60th | 43 | Nonnamaker / Nonnamaker / Nonnamaker / Allen / Michaelian | Porsche 996 GT3 Cup | Team Sahlen | 1:58.610 | 1:58.6100 |
| 61st | 24 | O'Shaughnessy / Cotter / Malloy / Shalit | BMW M3 | Matt Connolly Motorsports | 1:58.635 | 1:58.6350 |
| 62nd | 08 | Goldin / Goldin / Finlay | Mazda RX-8 | Goldin Brothers Racing | 1:58.650 | 1:58.6500 |
| 63rd | 92 | Stewart / Stewart / Gilbert / Stewart / Ave | Porsche 996 GT3 Cup | TPC Racing | 1:58.915 | 1:58.9150 |
| 64th | 21 | Van Uitert / Connolly / de Quesada / Sutherland / Sutherland | BMW M3 E46 | Matt Connolly Motorsports | 1:59.005 | 1:59.0050 |
| 65th | 48 | Hauser / Dubler / Seiler / DeFontes | Chevrolet Corvette | WTF Engineering | 2:02.720 | 2:02.7200 |