| 1st | 58 | David Donohue / Antonio Garcia / Darren Law / Buddy Rice | Riley Mk XI Porsche | Brumos Racing | 1:41.7330 |
| 2nd | 6 | A. J. Allmendinger / Ian James / John Pew / Michael Valiante | Riley Mk XX Ford | Michael Shank Racing | 1:41.7500 |
| 3rd | 55 | Christophe Bouchut / Scott Tucker / Ed Zabinski | Riley Mk XX BMW | Level 5 Motorsports | 1:41.8590 |
| 4th | 22 | Ryan Dalziel / Chapman Ducote / Jean-Francois Dumoulin / Tomáš Enge / Carlos de Quesada | Riley Mk XI BMW | Alegra Motorsports | 1:41.9160 |
| 5th | 76 | Niclas Jönsson / Darren Turner / Ricardo Zonta | Lola B08/70 Ford | Krohn Racing | 1:41.9670 |
| 6th | 60 | Colin Braun / Ryan Hunter-Reay / Oswaldo Negri / Mark Patterson | Riley Mk XX Ford | Michael Shank Racing | 1:42.0510 |
| 7th | 01 | Juan Pablo Montoya / Scott Pruett / Memo Rojas | Riley Mk XX Lexus | Chip Ganassi Racing with Felix Sabates | 1:42.1530 |
| 8th | 7 | Timo Bernhard / Ryan Briscoe / Romain Dumas | Riley Mk XX Porsche | Penske Racing | 1:42.1540 |
| 9th | 45 | Marc Goossens / Leo Hindery, Jr. / Darren Manning / Kyle Petty | Riley Mk XI BMW | Victory Junction-Orbit Racing | 1:42.2140 |
| 10th | 99 | Alex Gurney / Jon Fogarty / Jimmie Johnson / Jim Vasser | Riley Mk XX Pontiac | Gainsco/Bob Stallings Racing | 1:42.2300 |
| 11th | 02 | Scott Dixon / Dario Franchitti / Alex Lloyd | Riley Mk XI Lexus | Chip Ganassi Racing with Felix Sabates | 1:42.2980 |
| 12th | 10 | Pedro Lamy / Max Angelelli / Brian Frisselle / Wayne Taylor | Dallara DP01 Ford | SunTrust Racing | 1:42.3310 |
| 13th | 75 | Oliver Gavin / Tracy Krohn / Eric van de Poele | Lola B08/70 Ford | Krohn Racing | 1:42.3730 |
| 14th | 61 | David Empringham / John Farano / Burt Frisselle / Alex Figge / Mark Wilkins | Riley Mk XX Ford | AIM Autosport | 1:42.5870 |
| 15th | 2 | Rob Finlay / Casey Mears / Danica Patrick / Andy Wallace | Crawford DP08 Pontiac | Childress-Howard Motorsports | 1:42.6710 |
| 16th | 59 | J. C. France / João Barbosa / Terry Borcheller / Hurley Haywood | Riley Mk XI Porsche | Brumos Racing | 1:42.7360 |
| 17th | 09 | Guy Cosmo / Jason Pridmore / Scott Russell / Jeff Ward | Coyote CC/08 Porsche | Spirit of Daytona Racing | 1:42.8010 |
| 18th | 77 | Matteo Bobbi / Memo Gidley / Fabrizio Gollin / Brad Jaeger | Dallara DP01 Ford | Doran Racing | 1:43.0240 |
| 19th | 13 | Jared Beyer / Jordan Taylor / Ricky Taylor | Riley Mk XI Pontiac | Beyer Racing | 1:43.3250 |
| 20th | 12 | Paul Dallenbach / Tonis Kasemets / Bill Lester / Roger Schramm | Riley Mk XI Pontiac | RVO Motorsports | 1:43.5780 |
| 21st | 86 | Dominik Farnbacher / Eric Lux / Matthew Marsh / Kevin Roush | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:50.8810 |
| 22nd | 67 | Jörg Bergmeister / Andy Lally / Patrick Long / Justin Marks / Richard Valentine | Porsche 997 GT3 Cup | TRG | 1:51.1690 |
| 23rd | 65 | Marco Holzer / Bryce Miller / John Potter / Craig Stanton | Porsche 997 GT3 Cup | TRG | 1:51.1760 |
| 24th | 70 | Jonathan Bomarito / Nick Ham / David Haskell / Sylvain Tremblay | Mazda RX-8 | SpeedSource | 1:51.2050 |
| 25th | 66 | Spencer Pumpelly / Ted Ballou / Emmanuel Collard / Richard Lietz / Tim George, Jr. | Porsche 997 GT3 Cup | TRG | 1:51.2770 |
| 26th | 88 | Steve Johnson / David Lacey / Robert Nearn / James Sofronas / Richard Westbrook | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:51.4630 |
| 27th | 33 | Sascha Maassen / Phillip Martien / Patrick Pilet / B. J. Zacharias | Porsche 997 GT3 Cup | Wright Motorsports | 1:51.5410 |
| 28th | 87 | Wolf Henzler / Leh Keen / Dirk Werner / Richard Westbrook | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:51.6190 |
| 29th | 30 | Doug Peterson / Dane Cameron / Bryan Sellers / Dion von Moltke | Mazda RX-8 | Racers Edge Motorsports | 1:51.6430 |
| 30th | 69 | Emil Assentato / Nick Longhi / Matt Plumb / Jeff Segal | Mazda RX-8 | SpeedSource | 1:51.7810 |
| 31st | 40 | Patrick Dempsey / Charles Espenlaub / Joe Foster / Tim Lewis, Jr. | Mazda RX-8 | Dempsey Racing | 1:51.8670 |
| 32nd | 85 | Michael Gomez / Daniel Graeff / Wolf Henzler / Ron Yarab, Jr. | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:51.8800 |
| 33rd | 64 | Jim Lowe / Jim Pace / Johannes Van Overbeek / Tim Sugden | Porsche 997 GT3 Cup | JLowe Racing | 1:51.9000 |
| 34th | 63 | Kurt Kossmann / Bruce Ledoux / David Quinlan / Dan Watkins / Steve Zadig | Porsche 997 GT3 Cup | TRG | 1:51.9410 |
| 35th | 26 | Jerome Jacalone / Joe Jacalone / Shane Lewis / Randy Pobst | Porsche 997 GT3 Cup | Gotham Competition | 1:52.1420 |
| 36th | 68 | Duncan Ende / Josemanuel Gutierrez / Steve Miller / Chris Pallis / Scott Schroeder | Porsche 997 GT3 Cup | TRG | 1:52.2110 |
| 37th | 57 | Jeff Bucknum / Andrew Davis / Robin Liddell | Pontiac GXP.R | Stevenson Motorsports | 1:52.3010 |
| 38th | 42 | Joe Nonnamaker / Joe Sahlen / Wayne Nonnamaker / Will Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:52.3030 |
| 39th | 97 | James Gue / Tom Long | Chevrolet Corvette | Stevenson Motorsports | 1:52.6400 |
| 40th | 07 | Kelly Collins / Paul Edwards / Jan Magnussen | Pontiac GXP.R | Banner Racing | 1:52.6430 |
| 41st | 31 | Diego Alessi / Romeo Kapudija / Bob Michaelian / Jim Michaelian / Marcello Zani | Porsche 997 GT3 Cup | Battery Tender/MCM Racing | 1:52.6510 |
| 42nd | 14 | Martin Ragginger / Jack Baldwin / Claudio Burtin / Cory Friedman / Mac McGehee | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:52.7450 |
| 43rd | 52 | Constantino Bertuzzi / Luca Pirri / Max Papis / Nathan Swartzbaugh | Ferrari F430 Challenge | Mastercar-Coast 2 Costa Racing | 1:52.7730 |
| 44th | 89 | Giacomo Petrobelli / Robert Renauer / Giacomo Ricci / Gabrio Rosa / Allan Simonsen | Porsche 997 GT3 Cup | Farnbacher Loles Racing | 1:52.9520 |
| 45th | 32 | Patrick Barrett / Mike Forest / Thomas Merrill / Al Salvo / Jeff Westphal | Pontiac GXP.R | PR1 Motorsports | 1:53.2190 |
| 46th | 34 | Lawson Aschenbach / Milo Valverde / Lance Willsley | Porsche 997 GT3 Cup | Victory Junction-Orbit Racing | 1:53.3060 |
| 47th | 44 | Ross Bentley / Keith Carter / Steve Paquette | Porsche 996 GT3 Cup | Bullet Racing | 1:53.3910 |
| 48th | 43 | Joe Nonnamaker / Joe Sahlen / Wayne Nonnamaker / Will Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:54.5570 |
| 49th | 21 | Jason Daskalos / Pepe Montano / Russ Oasis / Jim Stout | Pontiac GTO.R | Battery Tender/MCM Racing | 1:54.7690 |