| | No | Class | T | Team | Driver | Car | Time |
| 1 | 2 | LMP1 | M | Audi Sport North America | Lucas Luhr Marco Werner | Audi R10 TDI | 1:46.935 |
| 2 | 26 | LMP2 | M | Andretti Green Racing | Franck Montagny James Rossiter | Acura ARX-01B | 1:47.345 |
| 3 | 1 | LMP1 | M | Audi Sport North America | Marcel Fassler Emanuele Pirro | Audi R10 TDI | 1:47.579 |
| 4 | 15 | LMP2 | M | Lowe's Fernandez Racing | Adrian Fernandez Luis Diaz | Acura ARX -01B | 1:47.639 |
| 5 | 7 | LMP2 | M | Penske Racing | Timo Bernhard Romain Dumas | Porsche RS Spyder | 1:47.736 |
| 6 | 9 | LMP2 | M | Patron Highcroft Racing | David Brabham Scott Sharp | Acura ARX-01B | 1:47.774 |
| 7 | 66 | LMP2 | M | de Ferran Motorsports | Gil de Ferran Simon Pagenaud | Acura ARX-01B | 1:48.160 |
| 8 | 37 | LMP1 | D | Intersport Racing | Jon Field Clint Field Richard Berry | Lola B06/10 AER | 1:48.371 |
| 9 | 6 | LMP2 | M | Penske Racing | Sascha Maassen Patrick Long | Porsche RS Spyder | 1:48.492 |
| 10 | 20 | LMP2 | M | Dyson Racing | Butch Leitzinger Marino Franchitti | Porsche RS Spyder | 1:48.586 |
| 11 | 16 | LMP2 | M | Dyson Racing | Chris Dyson Guy Smith | Porsche RS Spyder | 1:49.454 |
| 12 | 8 | LMP2 | D | BK Motorsports | Ben Devlin Gerardo Bonilla | Lola B07/46 Mazda | 1:51.187 |
| 13 | 30 | LMP1 | D | Intersport Racing | Ryan Lewis John Faulkner Gregor Fisken | Lola B06/10 AER | 1:51.359 |
| 14 | 12 | LMP1 | D | Autocon Motorsports | Chris McMurry Bryan Willman Michael Lewis | Creation CA07 Judd | 1:55.540 |
| 15 | 4 | GT1 | M | Corvette Racing | Olivier Beretta Oliver Gavin | Chevrolet Corvette C6.R | 2:01.235 |
| 16 | 3 | GT1 | M | Corvette Racing | Johnny O'Connell Jan Magnussen | Chevrolet Corvette C6.R | 2:01.876 |
| 17 | 008 | GT1 | M | Bell Motorsports | Terry Borcheller Chapman Ducote | Aston Martin DBR9 | 2:04.562 |
| 18 | 71 | GT2 | M | Tafel Racing | Dominik Farnbacher Dirk Muller | Ferrari 430 GT | 2:06.083 |
| 19 | 62 | GT2 | M | Risi Competizione | Jaime Melo Mika Salo | Ferrari 430 GT | 2:06.375 |
| 20 | 45 | GT2 | M | Flying Lizard Motorsports | Jorg Bergmeister Wolf Henzler | Porsche 911 GT3 RSR | 2:06.415 |
| 21 | 87 | GT2 | M | Farnbacher Loles Racing | Dirk Werner Richard Westbrook Bryce Miller | Porsche 911 GT3 RSR | 2:06.593 |
| 22 | 46 | GT2 | M | Flying Lizard Motorsports | Johannes van Overbeek Patrick Pilet | Porsche 911 GT3 RSR | 2:07.522 |
| 23 | 21 | GT2 | Y | Panoz Team PTG | Tommy Milner Tom Sutherland Joey Hand | Panoz Esperante Ford | 2:07.742 |
| 24 | 73 | GT2 | M | Tafel Racing | Alex Figge Jim Tafel Pierre Ehret | Ferrari 430 GT | 2:08.385 |
| 25 | 61 | GT2 | M | Risi Competizione | Harrison Brix Rob Bell | Ferrari 430 GT | 2:08.725 |
| 26 | 40 | GT2 | D | Robertson Racing | David Robertson Andrea Robertson David Murry | Doran Ford GT-R | 2:10.330 |
| 27 | 18 | GT2 | K | VICI Racing | Nicky Pastorelli Marc Basseng Francisco Pastorelli | Porsche 911 GT3 RSR | 2:10.412 |
| 28 | 44 | GT2 | M | Flying Lizard Motorsports 44 | Darren Law Seth Neiman | Porsche 911 GT3 RSR | 2:10.872 |
| 29 | 54 | GT2 | F | Black Swan Racing | Tim Pappas Anthony Lazarro | Doran Ford GT-R | 2:10.877 |
| 30 | 11 | GT2 | H | Primetime Race Group | Joel Feinberg Chris Hall | Dodge Viper Competition Coupe | 2:11.803 |
| 31 | 007 | GT2 | D | Drayson-Barwell | Paul Drayson Johnny Cocker | Aston Martin Vantage | No Time |