| 1st | 99 | Alex Gurney / Jon Fogarty | Riley Mk XI Pontiac | Gainsco/Bob Stallings Racing | 1:44.0430 | 198.2390 |
| 2nd | 91 | Jim Matthews / Marc Goossens / Jimmie Johnson | Riley Mk XI Pontiac | Lowe's Riley-Matthews Motorsports | 1:45.0780 | 196.2869 |
| 3rd | 23 | Jörg Bergmeister / Patrick Long | Crawford DP03 Porsche | Alex Job Racing | 1:45.6190 | 195.2810 |
| 4th | 75 | Colin Braun / Max Papis | Riley Mk XI Pontiac | Krohn Racing | 1:45.6540 | 195.2166 |
| 5th | 58 | David Donohue / Darren Law | Riley Mk XI Porsche | Red Bull/Brumos Porsche | 1:45.9850 | 194.6067 |
| 6th | 11 | Kris Szekeres / Patrick Carpentier | Riley Mk XI Pontiac | SAMAX | 1:46.0140 | 194.5536 |
| 7th | 61 | Brian Frisselle / Mark Wilkins / Burt Frisselle | Riley Mk XI Lexus | AIM Autosport | 1:46.3310 | 193.9726 |
| 8th | 60 | Mark Patterson / Oswaldo Negri | Riley Mk XI Lexus | Michael Shank Racing | 1:46.5280 | 193.6137 |
| 9th | 01 | Scott Pruett / Memo Rojas | Riley Mk XI Lexus | TELMEX Chip Ganassi with Felix Sabates | 1:46.5730 | 193.5333 |
| 10th | 19 | Rob Finlay / Michael Valiante | Riley Mk XI Lexus | Chip Ganassi with Felix Sabates | 1:47.5800 | 191.7211 |
| 11th | 6 | John Pew / Ian James | Riley Mk XI Lexus | Michael Shank Racing | 1:47.5970 | 191.6906 |
| 12th | 39 | Christian Fittipaldi / Harrison Brix | Fabcar FDSC/03 Porsche | Cheever Racing | 1:47.7860 | 191.3542 |
| 13th | 76 | Tracy Krohn / Niclas Jönsson | Riley Mk XI Pontiac | Krohn Racing | 1:47.7990 | 191.3317 |
| 14th | 59 | J. C. France / Hurley Haywood | Riley Mk XI Porsche | Brumos Porsche/Kendall | 1:47.8270 | 191.2818 |
| 15th | 05 | Bill Auberlen / Matthew Alhadeff | Riley Mk XI BMW | Luggage Express Team Sigalsport BMW | 1:48.4120 | 190.2502 |
| 16th | 16 | Chris Dyson / Rob Dyson | Crawford DP03 Porsche | Howard Motorsports | 1:49.1670 | 188.9338 |
| 17th | 3 | Shane Lewis / Randy Ruhlman | Riley Mk XI Lexus | Southard Motorsports | 1:49.6460 | 188.1082 |
| 18th | 10 | Wayne Taylor / Max Angelelli / Jonathan Cochet | Riley Mk XI Pontiac | SunTrust Racing | 1:49.9380 | 187.6093 |
| 19th | 70 | Sylvain Tremblay / Nick Ham | Mazda RX-8 | SpeedSource | 1:52.6810 | 183.0420 |
| 20th | 07 | Paul Edwards / Kelly Collins | Pontiac GXP.R | Banner Racing | 1:53.5030 | 181.7159 |
| 21st | 85 | Dominik Farnbacher / Leh Keen / Ian Baas | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 1:54.1630 | 180.6666 |
| 22nd | 69 | Emil Assentato / Nick Longhi | Mazda RX-8 | SpeedSource | 1:54.4200 | 180.2594 |
| 23rd | 87 | Bryce Miller / Dirk Werner | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 1:54.4460 | 180.2192 |
| 24th | 06 | Leighton Reese / Tim Lewis, Jr. | Pontiac GXP.R | Banner Racing | 1:54.8460 | 179.5915 |
| 25th | 74 | Eric Lux / Wolf Henzler | Porsche 997 GT3 Cup | Tafel Racing | 1:54.8860 | 179.5288 |
| 26th | 72 | Nathan Swartzbaugh / Spencer Pumpelly | Porsche 997 GT3 Cup | Tafel Racing | 1:55.0850 | 179.2182 |
| 27th | 15 | Tom Nastasi / Terry Borcheller | Ford Mustang Cobra GT | Blackforest Motorsports | 1:55.3750 | 178.7675 |
| 28th | 17 | Greg Wilkins / David Lacey | Porsche 997 GT3 Cup | Doncaster Racing | 1:55.8130 | 178.0916 |
| 29th | 22 | Carlos de Quesada / Jean-Francois Dumoulin | Porsche 997 GT3 Cup | Alegra Motorsports/Fiorano Racing | 1:56.8640 | 176.4903 |
| 30th | 66 | Andy Lally / Richard Valentine | Porsche 997 GT3 Cup | TRG | 1:57.1630 | 176.0397 |
| 31st | 64 | Jim Lowe / Jim Pace | Porsche 997 GT3 Cup | TRG | 1:57.3030 | 175.8305 |
| 32nd | 30 | Drew Staveley / Shawn Price | Pontiac GXP.R | Racers Edge Motorsports | 1:57.3230 | 175.7999 |
| 33rd | 42 | Joe Sahlen / Will Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:57.9610 | 174.8488 |
| 34th | 81 | Steve Johnson / Andrew Davis | Porsche 997 GT3 Cup | Synergy Racing | 1:58.2040 | 174.4899 |
| 35th | 21 | Matt Connolly / Hal Prewitt | Pontiac GTO.R | Matt Connolly Motorsports | 1:58.6810 | 173.7882 |
| 36th | 67 | Scott Tucker / Ed Zabinski | Porsche 997 GT3 Cup | TRG | 2:01.1340 | 170.2686 |
| 37th | 14 | Cory Friedman / Mac McGehee | Porsche 997 GT3 Cup | Autometrics Motorsports | 2:01.8110 | 169.3223 |
| 38th | 43 | Wayne Nonnamaker / Joe Nonnamaker | Chevrolet Corvette | Team Sahlen | 2:16.4220 | 151.1882 |
| 39th | 57 | Marc Bunting / Dominic Cicero | Chevrolet Corvette | Stevenson Motorsports | no time | 0.0000 |