| 1st | 12 | Jani / Heidfeld / Prost | Lola B12/60 Toyota | Rebellion Racing | 1:09.254 | 1:09.2540 | 1:11.0100 | 1:23.0110 | 1:31.3370 | 1:20.3600 |
| 2nd | 6 | Luhr / Graf / Dumas | HPD ARX-03c | Muscle Milk Pickett Racing | 1:10.397 | 1:10.3970 | 1:11.8060 | 1:19.7390 | 1:26.4070 | 1:22.8750 |
| 3rd | 16 | Dyson / Burgess / McMurry | Lola B12/60 Mazda | Dyson Racing Team Inc. | 1:12.626 | 1:14.9780 | 1:12.6260 | 1:25.6110 | 1:31.8700 | 1:28.0200 |
| 4th | 01 | Sharp / Lazzaro / Brabham | HPD ARX-03b | Extreme Speed Motorsports | 1:12.668 | 1:12.6680 | 1:13.7300 | no time | no time | 1:24.2690 |
| 5th | 551 | Tucker / Briscoe / Franchitti | HPD ARX-03b | Level 5 Motorsports | 1:12.792 | 1:12.7920 | 1:13.4730 | 1:24.9810 | no time | 1:23.4900 |
| 6th | 552 | Cosmo / Kane / Dumbreck | HPD ARX-03b | Level 5 Motorsports | 1:13.637 | 1:13.6370 | 1:14.0900 | 1:27.2210 | no time | 1:27.4540 |
| 7th | 02 | Brown / Bell / Van Overbeek | HPD ARX-03b | Extreme Speed Motorsports | 1:13.929 | 1:13.9290 | 1:15.2140 | no time | no time | 1:27.6500 |
| 8th | 52 | Cameron / Guasch / Cheng | Oreca FLM 09 | PR1 Mathiasen Motorsports | 1:14.955 | 1:14.9550 | 1:16.0920 | no time | 1:37.0530 | 1:38.6060 |
| 9th | 9 | Ende / Junqueira / Menezes | Oreca FLM 09 | RSR Racing | 1:15.143 | 1:15.1430 | 1:16.2700 | no time | no time | 1:32.4680 |
| 10th | 05 | Bennett / Kimber-Smith / Wilkins | Oreca FLM 09 | Core Autosport | 1:15.215 | 1:15.2150 | 1:16.3150 | 1:31.8340 | 1:37.8490 | 1:35.5240 |
| 11th | 8 | Cumming / Marcelli / Johansson | Oreca FLM 09 | BAR1 Motorsports | 1:15.367 | 1:15.3670 | 1:16.0090 | 1:37.3130 | 1:40.9610 | 1:42.6330 |
| 12th | 25 | Rayhall / Negri | Oreca FLM 09 | 8Star Motorsports | 1:15.399 | 1:15.3990 | 1:16.6090 | 1:29.5920 | 1:36.9300 | 1:31.7830 |
| 13th | 18 | Nunez / Shears | Oreca FLM 09 | Performance Tech Motorsports | 1:15.604 | 1:15.6040 | 1:16.8990 | 1:29.1890 | 1:31.4220 | 1:32.3100 |
| 14th | 7 | Mitchell / Drissi / French | Oreca FLM 09 | BAR1 Motorsports | 1:16.001 | 1:16.0010 | 1:18.0070 | no time | 1:38.2550 | 1:39.2910 |
| 15th | 0 | Legge / Meyrick | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:16.206 | 1:16.2060 | 1:16.5900 | 1:25.4160 | 1:28.5310 | 1:26.9170 |
| 16th | 62 | Malucelli / Beretta / Liddell | Ferrari 458 Italia | Risi Competizione | 1:18.861 | 1:18.8610 | 1:19.8590 | no time | 1:35.2190 | 1:29.4270 |
| 17th | 93 | Kendall / Bomarito / Wittmer | SRT Viper GTS-R | SRT Motorsports | 1:18.888 | 1:18.8880 | 1:19.8460 | 1:31.5370 | no time | 1:28.9570 |
| 18th | 91 | Farnbacher / Goossens / Dalziel | SRT Viper GTS-R | SRT Motorsports | 1:19.017 | 1:19.0170 | 1:19.6700 | 1:32.2530 | no time | 1:31.5660 |
| 19th | 3 | Magnussen / Garcia / Taylor | Chevrolet Corvette C6 ZR1 | Corvette Racing | 1:19.128 | 1:19.1280 | 1:20.1340 | 1:30.3450 | 1:29.4990 | 1:29.3640 |
| 20th | 56 | Edwards / Müller / Auberlen | BMW Z4 GTE | BMW Team RLL | 1:19.228 | 1:19.2280 | 1:20.0310 | 1:30.8060 | no time | 1:31.0640 |
| 21st | 17 | Sellers / Henzler / Tandy | Porsche 997 GT3 RSR | Team Falken Tire | 1:19.386 | 1:19.3860 | 1:20.3660 | 1:28.4740 | 1:30.5780 | 1:28.9330 |
| 22nd | 4 | Gavin / Milner / Westbrook | Chevrolet Corvette C6 ZR1 | Corvette Racing | 1:19.440 | 1:19.4400 | 1:20.1680 | 1:34.4850 | 1:29.8290 | 1:29.3630 |
| 23rd | 06 | Braun / Long / Christensen | Porsche 997 GT3 RSR | CORE autosport | 1:19.947 | 1:19.9470 | 1:20.6320 | 1:29.6910 | 1:32.5400 | 1:31.2260 |
| 24th | 55 | Alzen / Martin / Müller | BMW Z4 GTE | BMW Team RLL | 1:19.954 | 1:19.9540 | 1:20.2320 | no time | 1:35.4700 | 1:35.7960 |
| 25th | 48 | Miller / Holzer / Collard | Porsche 997 GT3 RSR | Paul Miller Racing | 1:20.447 | 1:20.4970 | 1:20.4470 | 1:29.2360 | no time | 1:28.9410 |
| 26th | 23 | Keen / Sweedler / Mowlem | Ferrari 458 Italia | Team West/AJR/Boardwalk Ferrari | 1:20.506 | 1:20.5060 | 1:21.0750 | 1:31.6220 | no time | 1:31.4450 |
| 27th | 45 | Canache / Pumpelly / Snow | Porsche 997 GT3 Cup | Flying Lizard Motorsports | 1:24.118 | 1:24.1180 | 1:25.0980 | 1:35.0450 | 1:37.5120 | 1:38.0470 |
| 28th | 22 | MacNeil / Bleekemolen / Bleekemolen | Porsche 997 GT3 Cup | Alex Job Racing | 1:24.433 | 1:24.4330 | 1:25.4550 | 1:39.5080 | 1:38.0100 | 1:36.7910 |
| 29th | 27 | Dempsey / Lally / Foster | Porsche 997 GT3 Cup | Dempsey Racing | 1:24.480 | 1:24.4800 | 1:25.2020 | 1:36.3730 | 1:38.7510 | 1:37.1690 |
| 30th | 11 | Hedlund / Fogarty / Heylen | Porsche 997 GT3 Cup | JDX Racing | 1:24.923 | 1:24.9230 | 1:25.2800 | 1:38.1530 | 1:40.3100 | 1:36.5900 |
| 31st | 66 | Keating / Faulkner / Stanton | Porsche 997 GT3 Cup | TRG | 1:24.926 | 1:24.9260 | 1:26.0360 | 1:35.2210 | 1:39.8230 | 1:37.8260 |
| 32nd | 31 | Armindo / Nielsen / Benitez, Jr. | Porsche 997 GT3 Cup | NGT Motorsport | 1:25.237 | 1:25.2370 | 1:26.0030 | 1:38.1130 | 1:39.7100 | 1:37.2720 |
| 33rd | 44 | Neiman / von Moltke / Sandberg | Porsche 997 GT3 Cup | Flying Lizard Motorsports | 1:25.345 | 1:28.0390 | 1:25.3450 | 1:36.3320 | 1:38.1130 | 1:39.2940 |
| 34th | 10 | Espenlaub / Putman / Law | Porsche 997 GT3 Cup | Dempsey Racing | 1:25.368 | 1:25.3680 | 1:26.1900 | 1:37.3690 | no time | 1:38.3310 |