| 1st | 9 | Scott Sharp / David Brabham | Acura ARX-01b | Patron Highcroft Racing | 46.6960 | 186.1078 |
| 2nd | 66 | Simon Pagenaud / Gil de Ferran | Acura ARX-01b | de Ferran Motorsports | 47.0820 | 184.5821 |
| 3rd | 6 | Sascha Maassen / Patrick Long | Porsche RS Spyder | Penske Racing | 47.1770 | 184.2103 |
| 4th | 7 | Romain Dumas / Timo Bernhard | Porsche RS Spyder | Penske Racing | 47.2400 | 183.9641 |
| 5th | 15 | Adrian Fernandez / Luis Diaz | Acura ARX-01b | Lowe's Fernandez Racing | 47.2640 | 183.8708 |
| 6th | 20 | Marino Franchitti / Butch Leitzinger | Porsche RS Spyder | Dyson Racing Team | 47.3250 | 183.6342 |
| 7th | 1 | Emanuele Pirro / Rinaldo Capello | Audi R10 TDI | Audi Sport North America | 47.4030 | 183.3316 |
| 8th | 2 | Marco Werner / Lucas Luhr | Audi R10 TDI | Audi Sport North America | 47.5390 | 182.8070 |
| 9th | 16 | Chris Dyson / Guy Smith | Porsche RS Spyder | Dyson Racing Team | 47.8480 | 181.6257 |
| 10th | 8 | Gerardo Bonilla | Lola B07/46 Mazda | BK Motorsports | 49.2510 | 176.4517 |
| 11th | 4 | Oliver Gavin / Olivier Beretta | Chevrolet Corvette C6.R | Corvette Racing | 52.7920 | 164.6166 |
| 12th | 3 | Jan Magnussen / Johnny O'Connell | Chevrolet Corvette C6.R | Corvette Racing | 53.0390 | 163.8505 |
| 13th | 87 | Richard Westbrook / Dirk Werner | Porsche 997 GT3 RSR | Farnbacher Loles Racing | 54.1540 | 160.4774 |
| 14th | 62 | Jaime Melo / Mika Salo | Ferrari F430 GTC | Risi Competizione | 54.7200 | 158.8165 |
| 15th | 71 | Dominik Farnbacher / Dirk Müller | Ferrari F430 GTC | Tafel Racing | 54.8240 | 158.5156 |
| 16th | 45 | Jörg Bergmeister / Wolf Henzler | Porsche 997 GT3 RSR | Flying Lizard Motorsports | 54.9320 | 158.2033 |
| 17th | 46 | Patrick Pilet / Johannes Van Overbeek | Porsche 997 GT3 RSR | Flying Lizard Motorsports | 54.9710 | 158.0923 |
| 18th | 21 | Tom Sutherland / Tommy Milner | Panoz Esperante GTLM Ford | Panoz Team PTG | 55.3120 | 157.1170 |
| 19th | 61 | Patrick Friesacher / Harrison Brix | Ferrari F430 GTC | Risi Competizione | 55.4580 | 156.7034 |
| 20th | 44 | Seth Neiman / Darren Law | Porsche 997 GT3 RSR | Flying Lizard Motorsports 44 | 55.4660 | 156.6809 |
| 21st | 007 | Jonny Cocker / Paul Drayson | Aston Martin V8 Vantage GT2 | Drayson - Barwell | 57.4090 | 151.3781 |
| 22nd | 54 | Tim Pappas / Anthony Lazzaro | Ford GT-R | Black Swan Racing | 57.7240 | 150.5525 |
| 23rd | 11 | Joel Feinberg / Chris Hall | Dodge Viper Competition Coupe | Primetime Race Group | 58.5080 | 148.5344 |
| 24th | 26 | Marco Andretti / Franck Montagny | Acura ARX-01b | Andretti Green Racing | 47.3720 | 183.4507 |
| 25th | 37 | Jon Field / Clint Field / Richard Berry | Lola B06/10 AER | Intersport Racing | | |
| 26th | 008 | Terry Borcheller | Aston Martin DBR9 | Bell Motorsports | | |
| 27th | 73 | Jim Tafel / Alex Figge | Ferrari F430 GTC | Tafel Racing | | |