| 1st | 1 | Tréluyer / Fässler / Jarvis | Audi R18 e-tron quattro | Audi Sport Team Joest | 1:43.886 | 1:43.8860 | 1:45.0610 | 1:46.0760 | 1:48.5240 | 1:44.3150 |
| 2nd | 2 | Kristensen / di Grassi / McNish | Audi R18 e-tron quattro | Audi Sport Team Joest | 1:43.895 | 1:43.8950 | 1:44.8700 | 1:46.4970 | 1:46.2620 | 1:44.6680 |
| 3rd | 12 | Heidfeld / Prost / Jani | Lola B12/60 Toyota | Rebellion Racing | 1:46.456 | 1:46.4560 | 1:48.6900 | 1:50.2630 | 1:46.4610 | 1:47.4940 |
| 4th | 6 | Graf / Luhr / Dumas | HPD ARX-03c HPD | Muscle Milk Pickett Racing | 1:46.478 | 1:46.4780 | 1:47.9920 | 1:49.3110 | 1:47.1570 | 1:46.6480 |
| 5th | 13 | Belicchi / Beche / Cheng | Lola B12/60 Toyota | Rebellion Racing | 1:46.689 | 1:46.6890 | 1:48.7760 | 1:50.1560 | 1:47.5660 | 1:46.8090 |
| 6th | 16 | Dyson / Smith / Leitzinger | Lola B12/60 Mazda | Dyson Racing Team Inc. | 1:48.407 | 1:48.4070 | 1:49.5080 | 2:00.2030 | 1:48.8760 | 1:49.3730 |
| 7th | 551 | Tucker / Franchitti / Briscoe | HPD ARX-03b | Level 5 Motorsports | 1:51.159 | 1:51.1590 | 1:52.7720 | no time | 1:53.2630 | 1:52.1380 |
| 8th | 552 | Hunter-Reay / Tucker / Pagenaud | HPD ARX-03b | Level 5 Motorsports | 1:51.271 | 1:51.2710 | 1:52.7680 | 2:01.1780 | 1:54.2660 | 1:52.5860 |
| 9th | 41 | Kimber-Smith / Zugel / Lux | Zytek Z11SN Nissan | Greaves Motorsport | 1:51.366 | 1:51.3660 | 1:52.6910 | no time | 1:52.5520 | 1:51.6210 |
| 10th | 01 | Brabham / Sharp / Cosmo | HPD ARX-03b | Extreme Speed Motorsports | 1:52.703 | 1:52.7030 | 1:53.5020 | 1:55.3560 | 1:56.0280 | 1:53.0250 |
| 11th | 02 | Lazzaro / Brown / Van Overbeek | HPD ARX-03b | Extreme Speed Motorsports | 1:53.074 | 1:53.0740 | 1:53.1770 | 1:59.0870 | 1:56.8020 | 1:54.0730 |
| 12th | 05 | Bennett / Braun / Wilkins | Oreca FLM 09 | Core Autosport | 1:53.404 | 1:53.4040 | 1:55.6140 | 1:57.6600 | 1:54.0300 | 1:54.3380 |
| 13th | 9 | Popow / Junqueira / Ende | Oreca FLM 09 | RSR Racing | 1:53.674 | 1:53.6740 | 1:55.7180 | no time | 1:54.7700 | 1:54.9980 |
| 14th | 81 | Kaffer / Schultis / Simon | Oreca FLM 09 | DragonSpeed Mishumotors | 1:53.838 | 1:53.8380 | 1:55.7690 | no time | 1:56.1240 | 1:53.8850 |
| 15th | 0 | Meyrick / Pla | DeltaWing LM12 Elan | DeltaWing Racing Cars | 1:53.866 | 1:53.8660 | 1:57.5880 | 1:56.9510 | 1:57.0700 | 1:55.6740 |
| 16th | 52 | Ostella / Cheng / Guasch | Oreca FLM 09 | PR1 Mathiasen Motorsports | 1:54.311 | 1:54.3110 | 1:56.1050 | no time | 1:56.4720 | 1:55.2420 |
| 17th | 8 | Marcelli / Cumming / Johansson | Oreca FLM 09 | BAR1 Motorsports | 1:54.520 | 1:54.5200 | 1:56.5200 | 1:58.9650 | 1:55.3150 | 1:55.4570 |
| 18th | 500 | Nunez / Shears / Heinemeier Hansson | Oreca FLM 09 | Performance Tech Motorsports | 1:54.598 | 1:54.5980 | 1:56.6450 | 2:00.5220 | 1:55.5740 | 1:55.9700 |
| 19th | 7 | Mitchell / Drissi / Ducote | Oreca FLM 09 | BAR1 Motorsports | 1:55.153 | 1:55.2820 | 1:56.8020 | 2:03.0130 | 1:55.1530 | 1:56.1770 |
| 20th | 62 | Bruni / Beretta / Malucelli | Ferrari 458 Italia | Risi Competizione | 1:58.815 | 1:58.8150 | 2:00.3480 | 2:00.6410 | 2:00.6090 | 1:59.0240 |
| 21st | 4 | Gavin / Milner / Westbrook | Chevrolet Corvette C6 ZR1 | Corvette Racing | 1:58.934 | 1:58.9340 | 2:00.2160 | 2:04.1450 | 1:59.4110 | 1:59.3210 |
| 22nd | 97 | Turner / Senna / Mücke | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:58.990 | 1:58.9900 | 1:59.7800 | 2:00.6720 | 1:59.9690 | 1:59.8660 |
| 23rd | 007 | Lamy / Johnson / Dalla Lana | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:59.208 | 1:59.2080 | 2:00.9960 | 2:05.4140 | 2:00.8950 | 2:00.4520 |
| 24th | 3 | Garcia / Magnussen / Taylor | Chevrolet Corvette C6 ZR1 | Corvette Racing | 1:59.348 | 1:59.3480 | 2:00.5250 | 2:01.1870 | 2:00.2400 | 1:59.8210 |
| 25th | 93 | Kendall / Bomarito / Wittmer | SRT Viper GTS-R | SRT Motorsports | 1:59.430 | 1:59.4300 | 2:00.6790 | 2:02.5520 | 2:01.5800 | 2:00.6130 |
| 26th | 48 | Holzer / Miller / Lietz | Porsche 997 GT3 RSR | Paul Miller Racing | 1:59.543 | 1:59.5430 | 2:01.2900 | no time | 2:01.3830 | 2:00.6760 |
| 27th | 55 | Auberlen / Martin / Müller | BMW Z4 GTE | BMW Team RLL | 1:59.736 | 1:59.7360 | 2:01.1760 | 2:02.7640 | 2:01.3670 | 2:01.0970 |
| 28th | 56 | Hand / Müller / Edwards | BMW Z4 GTE | BMW Team RLL | 1:59.847 | 1:59.8470 | 2:00.6910 | 2:03.5950 | 2:01.5830 | 2:01.1240 |
| 29th | 91 | Goossens / Dalziel / Farnbacher | SRT Viper GTS-R | SRT Motorsports | 1:59.898 | 1:59.8980 | 2:00.0570 | no time | 2:00.9960 | 2:00.2510 |
| 30th | 23 | Keen / Sweedler / Bell | Ferrari 458 Italia | Team West/AJR/Boardwalk Ferrari | 1:59.903 | 2:00.3080 | 2:02.2020 | 2:01.4460 | 2:01.3270 | 1:59.9030 |
| 31st | 17 | Henzler / Sellers / Tandy | Porsche 997 GT3 RSR | Team Falken Tire | 2:00.365 | 2:00.3650 | 2:01.5490 | 2:03.8610 | 2:00.7830 | 2:00.5230 |
| 32nd | 22 | Bleekemolen / MacNeil / von Moltke | Porsche 997 GT3 Cup | Alex Job Racing | 2:04.775 | 2:05.7470 | 2:07.0150 | 2:06.7780 | 2:05.2970 | 2:04.7750 |
| 33rd | 30 | Edwards / Cisneros / Seefried | Porsche 997 GT3 Cup | NGT Motorsport | 2:05.181 | 2:05.7470 | 2:07.4960 | 2:20.1360 | 2:07.3000 | 2:05.1810 |
| 34th | 45 | Pumpelly / Canache / Wong | Porsche 997 GT3 Cup | Flying Lizard Motorsports | 2:05.203 | 2:05.7650 | 2:07.4020 | 2:09.1150 | 2:05.8130 | 2:05.2030 |
| 35th | 27 | Lally / Dempsey / Foster | Porsche 997 GT3 Cup | Dempsey Del Piero Racing | 2:05.220 | 2:05.4460 | 2:06.9330 | 2:16.8520 | 2:06.0080 | 2:05.2200 |
| 36th | 66 | Keating / Faulkner / Stanton | Porsche 997 GT3 Cup | TRG | 2:05.617 | 2:05.9100 | 2:08.2450 | 2:14.6240 | 2:06.3190 | 2:05.6170 |
| 37th | 10 | Davis / Faieta / Avenatti | Porsche 997 GT3 Cup | Dempsey Del Piero Racing | 2:05.823 | 2:06.2190 | 2:07.7680 | 2:13.7550 | 2:06.6960 | 2:05.8230 |
| 38th | 44 | Ehret / Imperatori / Sandberg | Porsche 997 GT3 Cup | Flying Lizard Motorsports | 2:05.836 | 2:06.0590 | 2:08.1790 | 2:11.8910 | 2:05.8360 | 2:06.0500 |
| 39th | 68 | Carter / Estre / de Quesada | Porsche 997 GT3 Cup | TRG | 2:05.894 | 2:06.2460 | 2:06.5500 | 2:09.0860 | 2:05.8940 | 2:06.1890 |
| 40th | 11 | Heylen / Hedlund / Fogarty | Porsche 997 GT3 Cup | JDX Racing | 2:05.936 | 2:05.9360 | 2:07.3200 | 2:08.4550 | 2:06.3700 | 2:06.6590 |
| 41st | 31 | Giermaziak / Gomez / Farnbacher | Porsche 997 GT3 Cup | NGT Motorsport | 2:06.551 | 2:07.0570 | 2:07.6580 | 2:07.7270 | 2:08.5210 | 2:06.5510 |
| 42nd | 99 | Aschenbach / Calvert-Jones / Curran | Porsche 997 GT3 Cup | Competiton Motorsports | 2:07.366 | 2:07.3660 | 2:09.6890 | 2:09.7730 | 2:07.6480 | 2:07.4890 |