| | No. | Class | T | Team | Drivers | Car | Time |
| 1 | 16 | LMP | D | Dyson Racing Team | Chris Dyson Guy Smith Andy Meyrick | Lola B09/86 Mazda | 1:12.338 |
| 2 | 1 | LMP | M | Patrón Highcroft Racing | David Brabham Simon Pagenaud Marino Franchitti | HPD ARX-01c HPD | 1:13.009 |
| 3 | 6 | LMP | M | Muscle Milk Team Cytosport | Memo Gidley Klaus Graf Sascha Maassen | Porsche RS Spyder | 1:13.855 |
| 4 | 37 | LMP | D | Intersport Racing | Jon Field Clint Field Nikolas Konstant | Lola B06/10 AER | 1:15.208 |
| 5 | 12 | LMP | D | Autocon Motorsports | Bryan Willman Tony Burgess Pierre Ehret | Lola B06/10 AER | 1:15.775 |
| 6 | 8 | LMP | M | Drayson Racing | Paul Drayson Jonny Cocker Emanuele Pirro | Lola B09/60 Judd | 1:16.297 |
| 7 | 52 | LMPC | M | PR1 Mathiasen Motorsports | Johnny Mowlem Tom Papadopoulos Ryan Lewis | Oreca FLM09 | 1:17.800 |
| 8 | 99 | LMPC | M | Green Earth Team Gunnar | Gunnar Jeannette Christian Zugel Elton Julian | Oreca FLM09 | 1:17.971 |
| 9 | 55 | LMPC | M | Level 5 Motorsports | Scott Tucker Christophe Bouchut Mark Wilkins | Oreca FLM09 | 1:18.212 |
| 10 | 36 | LMPC | M | Genoa Racing | Tom Sutherland Tom Weickardt Kyle Marcelli | Oreca FLM09 | 1:18.256 |
| 11 | 95 | LMPC | M | Level 5 Motorsports | Scott Tucker Andy Wallace Burt Frisselle | Oreca FLM09 | 1:21.221 |
| 12 | 89 | LMPC | M | Intersport Racing | Mitch Pagerey Brian Wong | Oreca FLM09 | 1:21.446 |
| 13 | 62 | GT | M | Risi Competizione | Jaime Melo Gianmaria Bruni | Ferrari 430 GT | 1:22.752 |
| 14 | 01 | GT | M | Extreme Speed Motorsports | Scott Sharp Johannes van Overbeek | Ferrari 430 GT | 1:23.067 |
| 15 | 4 | GT | M | Corvette Racing | Olivier Beretta Oliver Gavin | Chevrolet Corvette ZR1 | 1:23.101 |
| 16 | 3 | GT | M | Corvette Racing | Jan Magnussen Johnny O'Connell | Chevrolet Corvette ZR1 | 1:23.201 |
| 17 | 92 | GT | D | BMW Rahal Letterman Racing Team | Bill Auberlen Tommy Milner | BMW E92 M3 | 1:23.350 |
| 18 | 90 | GT | D | BMW Rahal Letterman Racing Team | Dirk Müller Joey Hand | BMW E92 M3 | 1:23.379 |
| 19 | 02 | GT | M | Extreme Speed Motorsports | Ed Brown Guy Cosmo | Ferrari 430 GT | 1:23.394 |
| 20 | 45 | GT | M | Flying Lizard Motorsports | Jörg Bergmeister Patrick Long | Porsche 911 GT3 RSR | 1:23.484 |
| 21 | 17 | GT | F | Team Falken Tire | Bryan Sellers Wolf Henzler | Porsche 911 GT3 RSR | 1:23.991 |
| 22 | 40 | GT | D | Robertson Racing | David Robertson Andrea Roberston David Murry | Doran Design Ford GT MK 7 | 1:24.750 |
| 23 | 75 | GT | Y | Jaguar RSR | Paul Gentilozzi Ryan Dalziel Marc Goossens | Jaguar XKRS | 1:26.381 |
| 24 | 61 | GT | M | Risi Competizione | Tracy Krohn Nic Jonsson | Ferrari 430 GT | 1:26.708 |
| 25 | 54 | GTC | Y | Black Swan Racing | Tim Pappas Jeroen Bleekemolen Sebastiaan Bleekemolen | Porsche 911 GT3 Cup | 1:26.934 |
| 26 | 81 | GTC | Y | Alex Job Racing | Juan Gonzalez Butch Leitzinger Rudy Junco Jr | Porsche 911 GT3 Cup | 1:27.603 |
| 27 | 63 | GTC | Y | TRG | Henri Richard Rene Villeneuve Andy Lally | Porsche 911 GT3 Cup | 1:27.797 |
| 28 | 88 | GTC | Y | Velox Motorsport | Shane Lewis Lawson Aschenbach | Porsche 911 GT3 Cup | 1:27.950 |
| 29 | 48 | GTC | Y | Orbit Racing | Bryce Miller John McMullen Luke Hines | Porsche 911 GT3 Cup | 1:28.126 |
| 30 | 32 | GTC | Y | GMG Racing | Bret Curtis James Sofronas Terry Borcheller | Porsche 911 GT3 Cup | 1:28.171 |
| 31 | 44 | GT | M | Flying Lizard Motorsports | Darren Law Seth Neiman Timo Bernhard | Porsche 911 GT3 RSR | 1:28.481 |
| 32 | 69 | GTC | Y | WERKS II Racing | Robert Rodriguez Galen Bieker | Porsche 911 GT3 Cup | 1:28.590 |
| 33 | 23 | GTC | Y | Alex Job Racing | Bill Sweedler Romeo Kapudija jan-Dirk Lueders | Porsche 911 GT3 Cup | 1:29.360 |
| 34 | 80 | GTC | Y | Alex Job Racing | Ricardo Gonzalez Luis Diaz Rudy Junco Jr | Porsche 911 GT3 Cup | 1:29.547 |
| 35 | 28 | GTC | Y | 911 Design | Loren Beggs Doug Baron | Porsche 911 GT3 Cup | 1:29.701 |