| 1st | 12 | Jani / Belicchi / Prost | Lola B12/60 Toyota | Rebellion Racing | 1:09.089 | 1:09.0890 | 1:10.5860 | 1:11.8180 | 1:10.9760 | 1:10.5650 |
| 2nd | 6 | Graf / Luhr / Dumas | HPD ARX-03a Honda | Muscle Milk Pickett Racing | 1:09.428 | 1:09.4280 | 1:10.6800 | 1:13.6300 | 1:10.1500 | 1:10.9670 |
| 3rd | 16 | Dyson / Smith / Kane | Lola B12/60 Mazda | Dyson Racing Team Inc. | 1:10.176 | 1:10.1760 | 1:11.6410 | 1:14.3780 | 1:11.8510 | 1:11.7690 |
| 4th | 20 | Burgess / Patterson / McMurry | Lola B11/66 Mazda | Dyson Racing Team Inc. | 1:11.811 | 1:11.8110 | 1:13.8360 | 1:14.0460 | 1:12.1290 | 1:12.8060 |
| 5th | 35 | Nicolet / Pla / Baguette | Morgan LM P2 Nissan | OAK Racing | 1:12.046 | 1:12.0460 | 1:13.8720 | 1:16.4200 | 1:13.2700 | 1:13.1930 |
| 6th | 37 | Heinemeier Hansson / Plowman / Lux | Morgan LM P2 Nissan | Conquest Endurance | 1:12.048 | 1:12.0480 | 1:13.6630 | 1:15.7400 | 1:13.5500 | 1:13.5700 |
| 7th | 055 | Franchitti / Franchitti / Tucker | HPD ARX-03b Honda | Level 5 Motorsports | 1:12.236 | 1:12.2360 | 1:13.6460 | no time | 1:13.4140 | 1:13.1820 |
| 8th | 118 | Firth / Hartley / Hughes | Oreca 03 Nissan | Murphy Prototypes | 1:12.382 | 1:12.3820 | 1:13.8040 | 1:17.7000 | 1:15.5170 | 1:14.4400 |
| 9th | 1 | Kimber-Smith / Brundle / Buncombe | Zytek Z11SN Nissan | Greaves Motorsports | 1:12.524 | 1:12.5240 | 1:14.4660 | 1:15.8180 | 1:17.1640 | 1:13.2800 |
| 10th | 0 | Jeannette / Ordoñez | DeltaWing Nissan | Nissan DeltaWing | 1:12.850 | 1:12.8500 | 1:14.4200 | no time | 1:13.4620 | 1:13.8350 |
| 11th | 95 | Tucker / Diaz / Bouchut | HPD ARX-03b Honda | Level 5 Motorsports | 1:12.890 | 1:12.8900 | 1:13.9030 | no time | 1:13.0250 | 1:14.1000 |
| 12th | 46 | Tinseau / Beche / Thiriet | Oreca 03 Nissan | Thiriet by TDS Racing | 1:12.944 | 1:12.9440 | 1:14.2100 | 1:16.1790 | 1:15.4220 | 1:14.2520 |
| 13th | 27 | Cameron / Dempsey / Foster | Lola B12/87 Judd | Dempsey Racing | 1:13.214 | 1:13.2140 | 1:15.3550 | no time | 1:14.3670 | 1:15.7630 |
| 14th | 8 | Downs / Marcelli / Ducote | Oreca FLM 09 | Merchant Services Racing | 1:14.099 | 1:14.0990 | 1:15.8590 | 1:19.5100 | 1:15.5570 | 1:15.1980 |
| 15th | 05 | Braun / Bennett / Gonzalez | Oreca FLM 09 | Core Autosport | 1:14.145 | 1:14.1450 | 1:16.0730 | 1:17.2020 | 1:14.9080 | 1:15.5140 |
| 16th | 25 | Lewis / Richard / Ende | Oreca FLM 09 | Dempsey Racing | 1:14.268 | 1:14.2680 | 1:15.7880 | 1:28.4810 | 1:16.0970 | 1:14.8360 |
| 17th | 06 | Popow / Dalziel / Wilkins | Oreca FLM 09 | Core Autosport | 1:14.433 | 1:14.4330 | 1:15.9640 | 1:17.7020 | 1:16.3240 | 1:15.5600 |
| 18th | 9 | Drissi / Junqueira / Vera | Oreca FLM 09 | RSR Racing | 1:14.561 | 1:14.5610 | 1:15.9100 | 1:18.8730 | 1:15.6360 | 1:15.6740 |
| 19th | 52 | Junco / Dobson / Julian | Oreca FLM 09 | PR1 Mathiasen Motorsports | 1:14.940 | 1:14.9400 | 1:16.8840 | 1:23.6150 | 1:15.8510 | 1:15.3060 |
| 20th | 02 | Cosmo / Brown / Lazzaro | Ferrari 458 Italia | Extreme Speed Motorsports | 1:18.677 | 1:18.6770 | 1:19.6150 | 1:21.2680 | 1:20.0150 | 1:19.8220 |
| 21st | 01 | Sharp / Vilander / Van Overbeek | Ferrari 458 Italia | Extreme Speed Motorsports | 1:18.729 | 1:18.7290 | 1:19.8310 | 1:20.5920 | 1:19.8660 | 1:18.7660 |
| 22nd | 55 | Auberlen / Summerton / Müller | BMW E92 M3 | BMW Team RLL | 1:18.972 | 1:18.9720 | 1:20.2780 | 1:20.5180 | 1:19.8380 | 1:19.8220 |
| 23rd | 4 | Gavin / Milner / Westbrook | Chevrolet Corvette C6 ZR1 | Corvette Racing | 1:19.065 | 1:19.0650 | 1:19.6630 | 1:20.6290 | 1:19.9460 | 1:19.6090 |
| 24th | 3 | Garcia / Magnussen / Taylor | Chevrolet Corvette C6 ZR1 | Corvette Racing | 1:19.086 | 1:19.0860 | 1:20.0750 | 1:20.6380 | 1:19.7690 | 1:19.3880 |
| 25th | 93 | Goossens / Kendall / Bomarito | SRT Viper GTS-R | SRT Motorsports | 1:19.145 | 1:19.1450 | 1:20.4930 | 1:21.3580 | 1:20.4340 | 1:20.0760 |
| 26th | 45 | Bergmeister / Long / Pilet | Porsche 997 GT3 RSR | Flying Lizard Motorsports | 1:19.225 | 1:19.2250 | 1:20.1810 | 1:20.8820 | 1:19.8120 | 1:19.5310 |
| 27th | 56 | Alzen / Müller / Summerton | BMW E92 M3 | BMW Team RLL | 1:19.261 | 1:19.2610 | 1:20.0020 | 1:20.6170 | 1:19.9900 | 1:19.4850 |
| 28th | 44 | Holzer / Neiman / Tandy | Porsche 997 GT3 RSR | Flying Lizard Motorsports | 1:19.524 | 1:19.5240 | 1:20.6000 | 1:21.0310 | 1:20.0020 | 1:19.9380 |
| 29th | 91 | Farnbacher / Wittmer / Hunter-Reay | SRT Viper GTS-R | SRT Motorsports | 1:19.839 | 1:19.8390 | 1:19.9500 | 1:20.9520 | 1:20.5730 | 1:20.0010 |
| 30th | 48 | Miller / Maassen / Lietz | Porsche 997 GT3 RSR | Paul Miller Racing | 1:20.388 | 1:20.3880 | 1:21.1240 | 1:22.4840 | 1:21.0570 | 1:21.0060 |
| 31st | 67 | Narac / Pons / Armindo | Porsche 997 GT3 RSR | IMSA Performance Matmut | 1:20.733 | 1:20.7330 | 1:21.6330 | 1:25.2330 | 1:23.7710 | 1:21.7980 |
| 32nd | 17 | Sellers / Henzler / Ragginger | Porsche 997 GT3 RSR | Team Falken Tire | 1:20.760 | 1:20.7600 | 1:21.1220 | 1:21.2270 | 1:20.8770 | 1:21.1870 |
| 33rd | 60 | Perazzini / Griffin / Cioci | Ferrari 458 Italia | AF Corse | 1:21.459 | 1:22.6300 | 1:22.0170 | 1:24.1860 | 1:21.7780 | 1:21.4590 |
| 34th | 23 | Bell / Sweedler / Mowlem | Lotus Evora GTE | Lotus / Alex Job Racing | 1:21.510 | 1:21.5100 | 1:22.1640 | 1:23.0110 | 1:21.8520 | 1:21.5840 |
| 35th | 22 | Keen / MacNeil / von Moltke | Porsche 997 GT3 Cup | Alex Job Racing | 1:24.060 | 1:24.0600 | 1:25.3230 | 1:27.1890 | 1:25.2200 | 1:24.1550 |
| 36th | 34 | LeSaffre / Faulkner / Wong | Porsche 997 GT3 Cup | Green Hornet Racing | 1:24.251 | 1:24.2510 | 1:28.2330 | 1:26.8910 | 1:24.6600 | 1:25.2080 |
| 37th | 66 | Pumpelly / Di Guida / Canache | Porsche 997 GT3 Cup | TRG | 1:24.566 | 1:24.5660 | 1:25.3250 | 1:25.8080 | 1:24.6180 | 1:24.8460 |
| 38th | 30 | Cisneros / Giermaziak / Farnbacher | Porsche 997 GT3 Cup | NGT Motorsport | 1:24.799 | 1:24.8330 | 1:25.3660 | 1:26.6450 | 1:26.7040 | 1:24.7990 |
| 39th | 24 | Davis / Calvert-Jones / Avenatti | Porsche 997 GT3 Cup | Competition Motorsports | 1:24.978 | 1:25.4560 | 1:25.7830 | 1:24.9780 | 1:26.6690 | 1:26.4990 |
| 40th | 11 | Cumming / Valiante / Johnston | Porsche 997 GT3 Cup | JDX Racing | 1:25.058 | 1:25.0580 | 1:25.8450 | 1:25.6790 | 1:25.8940 | 1:25.4290 |
| 41st | 68 | Hedlund / Collard / Gutierrez, Jr. | Porsche 997 GT3 Cup | TRG | 1:25.256 | 1:25.6410 | 1:26.0670 | 1:27.7690 | 1:25.2560 | 1:25.5320 |
| 42nd | 31 | Benitez, Jr. / Bullit / Segal | Porsche 997 GT3 Cup | NGT Motorsport | 1:25.385 | 1:25.3850 | 1:26.0270 | 1:26.0730 | 1:26.3850 | 1:25.9380 |