| 01 | Max Papis / Scott Pruett | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:08.6550 |
| 10 | Wayne Taylor / Max Angelelli | Riley Mk XI Pontiac | SunTrust Racing | 1:08.6830 |
| 20 | Tony Stewart / Andy Wallace | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:08.7020 |
| 27 | Didier Theys / Jan Magnussen | Doran JE4 Lexus | Doran Lista Racing | 1:08.9820 |
| 81 | Brent Martini / Cort Wagner | Doran JE4 BMW | Rx.com/G&W Motorsports | 1:09.2110 |
| 54 | Oliver Gavin / Terry Borcheller | Doran JE4 Pontiac | Kodak - Bell Motorsports | 1:09.6190 |
| 9 | Paul Mears, Jr. / Mike Borkowski | Riley Mk XI Pontiac | Mears Motorcoach/SpeedSource | 1:10.0940 |
| 09 | Stéphane Grégoire / Doug Goad | Crawford DP03 Pontiac | Spirit of Daytona Racing | 1:10.2130 |
| 6 | Oswaldo Negri / Burt Frisselle | Doran JE4 Lexus | Michael Shank Racing | 1:10.2580 |
| 2 | Milka Duno / Jan Lammers | Crawford DP03 Pontiac | CITGO - Howard - Boss Motorsports | 1:10.5710 |
| 02 | Jimmy Morales / Luis Diaz | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:10.6310 |
| 58 | David Donohue / Darren Law | Fabcar FDSC/03 Porsche | Red Bull - Brumos - Goodyear - Kendall | 1:11.4820 |
| 4 | Elliot Forbes-Robinson / Butch Leitzinger | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:11.8370 |
| 59 | J. C. France / Hurley Haywood | Fabcar FDSC/03 Porsche | Brumos - Goodyear - Kendall | 1:12.6140 |
| 21 | Bill Auberlen / Justin Marks | BMW M3 E46 | Prototype Technology Group | 1:15.1580 |
| 67 | Kevin Buckler / *Liz Halliday | Porsche 996 GT3-RS | The Racers Group | 1:16.4330 |
| 44 | Joe Policastro, Jr. / Mike Fitzgerald / Joe Policastro | Porsche 996 GT3-RS | Orbit Racing | 1:16.5810 |
| 66 | Chris Gleason / Richard Valentine / Ian James | Porsche 996 GT3-RS | The Racers Group | 1:17.6500 |
| 38 | Marc Bunting / Andy Lally | Porsche 996 GT3 Cup | TPC Racing | 1:17.9950 |
| 57 | John Stevenson / Chip Vance | Porsche 996 GT3-R | Stevenson Motorsports/Auto Assets | 1:18.1280 |
| 36 | Michael Levitas / *Randy Pobst | Porsche 996 GT3 Cup | TPC Racing | 1:18.3190 |
| 73 | Jim Tafel / Jack Baldwin | Porsche 996 GT3 Cup | Baldwin-Tafel Racing | 1:18.9240 |
| 37 | John Littlechild / Spencer Pumpelly | Porsche 996 GT3 Cup | TPC Racing | 1:19.5930 |
| 41 | Craig Stanton | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 1:20.1500 |
| 33 | Stephen Earle / Emil Assentato / *João Barbosa | Maserati Trofeo Light | Scuderia Ferrari of Washington | 1:20.2180 |
| 23 | Charles Espenlaub / *Dale Quarterly / *Jim Harrell | Pontiac GTO | Horizon Motorsports LLC | 1:20.5540 |
| 46 | Michael Baughman / *Mike Yeakle | Chevrolet Corvette Z06 | Michael Baughman Racing | 1:20.8170 |
| 42 | Wayne Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 1:21.3770 |
| 04 | Gene Sigal / Harrison Brix | Porsche 996 GT3 Cup | Grease Monkey Racing | 1:21.9760 |
| 43 | Joe Nonnamaker | Porsche 996 GT3 Cup | Orison-Planet Earth Motorsports | 1:22.7540 |
| 7 | Vic Rice / Shane Lewis | Fabcar FDSC/03 BMW | Southard Motorsports | 1:25.0840 |
| 47 | Bob Ward / Michael Baughman | Porsche 996 GT3 Cup | Michael Baughman Racing | 1:28.0390 |
| 22 | Joey Hand / Boris Said | BMW M3 E46 | Prototype Technology Group | 1:28.9610 |