| | No | Class | T | Team | Driver | Car | Time |
| 1 | 9 | LMP2 | M | Patron Highcroft Racing | David Brabham Scott Sharp | Acura ARX-01B | 46.696 |
| 2 | 66 | LMP2 | M | de Ferran Motorsports | Gil de Ferran Simon Pagenaud | Acura ARX-01B | 47.082 |
| 3 | 6 | LMP2 | M | Penske Racing | Sascha Maassen Patrick Long | Porsche RS Spyder | 47.177 |
| 4 | 7 | LMP2 | M | Penske Racing | Timo Bernhard Romain Dumas | Porsche RS Spyder | 47.240 |
| 5 | 15 | LMP2 | M | Lowe's Fernandez Racing | Adrian Fernandez Luis Diaz | Acura ARX -01B | 47.264 |
| 6 | 20 | LMP2 | M | Dyson Racing | Butch Leitzinger Marino Franchitti | Porsche RS Spyder | 47.325 |
| 7 | 26 | LMP2 | M | Andretti Green Racing | Franck Montagny Marco Andretti | Acura ARX-01B | 47.372 |
| 8 | 1 | LMP1 | M | Audi Sport North America | Dindo Capello Emanuele Pirro | Audi R10 TDI | 47.403 |
| 9 | 2 | LMP1 | M | Audi Sport North America | Lucas Luhr Marco Werner | Audi R10 TDI | 47.539 |
| 10 | 16 | LMP2 | M | Dyson Racing | Chris Dyson Guy Smith | Porsche RS Spyder | 47.848 |
| 11 | 8 | LMP2 | Y | BK Motorsports | Ben Devlin Gerardo Bonilla | Lola B07/46 Mazda | 49.251 |
| 12 | 4 | GT1 | M | Corvette Racing | Olivier Beretta Oliver Gavin | Chevrolet Corvette C6.R | 52.792 |
| 13 | 3 | GT1 | M | Corvette Racing | Johnny O'Connell Jan Magnussen | Chevrolet Corvette C6.R | 53.039 |
| 14 | 87 | GT2 | M | Farnbacher Loles | Dirk Werner Richard Westbrook | Porsche 911 GT3 RSR | 54.154 |
| 15 | 62 | GT2 | M | Risi Competizione | Jaime Melo Mika Salo | Ferrari 430 GT | 54.720 |
| 16 | 71 | GT2 | M | Tafel Racing | Dominik Farnbacher Dirk Muller | Ferrari 430 GT | 54.824 |
| 17 | 45 | GT2 | M | Flying Lizard Motorsports | Jorg Bergmeister Wolf Henzler | Porsche 911 GT3 RSR | 54.932 |
| 18 | 46 | GT2 | M | Flying Lizard Motorsports | Johannes van Overbeek Patrick Pilet | Porsche 911 GT3 RSR | 54.971 |
| 19 | 21 | GT2 | Y | Panoz Team PTG | Tommy Milner Tom Sutherland | Panoz Esperante Ford | 55.312 |
| 20 | 61 | GT2 | M | Risi Competizione | Harrison Brix Patrick Freisacher | Ferrari 430 GT | 55.458 |
| 21 | 44 | GT2 | M | Flying Lizard Motorsports 44 | Darren Law Seth Neiman | Porsche 911 GT3 RSR | 55.466 |
| 22 | 007 | GT2 | D | Drayson-Barwell | Paul Drayson Johnny Cocker | Aston Martin Vantage | 57.409 |
| 23 | 54 | GT2 | F | Black Swan Racing | Tim Pappas Anthony Lazarro | Doran Ford GT-R | 57.724 |
| 24 | 11 | GT2 | H | Primetime Race Group | Joel Feinberg Chris Hall | Dodge Viper Competition Coupe | 58.508 |
| 25 | 37 | LMP1 | D | Intersport Racing | Jon Field Clint Field Richard Berry | Lola B06/10 AER | no time |
| 26 | 008 | GT1 | M | Bell Motorsports | Terry Borcheller Chapman Ducote | Aston Martin DBR9 | no time |
| 27 | 73 | GT2 | M | Tafel Racing | Alex Figge Jim Tafel | Ferrari 430 GT | no time |
| 28 | 48 | GT2 | D | Corsa Motorsports (Withdrawn) | Gunnar Jeanette Johnny Mowlem | Ferrari 430 GT | no time |
| 29 | 18 | GT2 | K | VICI Racing (Withdrawn) | Nicky Pastorelli Ruben Carrapatoso Francisco Pastorelli | Porsche 911 GT3 RSR | no time |
| 30 | 40 | GT2 | D | Robertson Racing (Withdrawn) | David Robertson Andrea Robertson David Murry | Doran Ford GT-R | no time |
| 31 | 5 | GT2 | K | VICI Racing (Withdrawn) | Craig Stanton Nathan Swartzbaugh | Porsche 911 GT3 RSR | no time |