| 1st | 5 | Barbosa / Fittipaldi / Bourdais | Chevrolet Corvette DP | Action Express Racing | 1:51.917 | 1:51.9170 | 1:52.8760 | 1:53.8310 | 1:53.4040 | 1:54.1030 |
| 2nd | 42 | Pla / Brundle / Yacaman | Morgan LM P2 Nissan | OAK Racing | 1:52.086 | 1:52.0860 | 1:52.5780 | no time | 1:52.8580 | 1:53.5670 |
| 3rd | 1 | Sharp / Dalziel / Brabham | HPD ARX-03b | Extreme Speed Motorsports | 1:52.134 | 1:52.6620 | 1:52.1340 | 1:56.8260 | 1:54.4090 | 1:54.4020 |
| 4th | 02 | Dixon / Kanaan / Karam | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:52.357 | 1:53.0980 | 1:52.9680 | no time | 1:52.3570 | 1:53.5000 |
| 5th | 10 | Taylor / Angelelli / Taylor | Chevrolet Corvette DP | Wayne Taylor Racing | 1:52.544 | 1:52.5440 | 1:53.8740 | 1:54.1860 | 1:53.7060 | 1:54.7110 |
| 6th | 6 | Luhr / Graf / Mardenborough | Oreca 03 Nissan | Muscle Milk Pickett Racing | 1:52.667 | 1:52.6670 | 1:53.8330 | 1:54.9100 | 1:53.5690 | 1:53.8870 |
| 7th | 2 | Brown / Pagenaud / Van Overbeek | HPD ARX-03b | Extreme Speed Motorsports | 1:52.833 | 1:53.3930 | 1:52.8330 | 1:56.8080 | 1:54.6450 | 1:53.7450 |
| 8th | 90 | Westbrook / Valiante / Rockenfeller | Chevrolet Corvette DP | Spirit of Daytona | 1:53.147 | 1:53.1470 | 1:53.9620 | 1:55.0130 | 1:54.2930 | 1:54.2650 |
| 9th | 01 | Pruett / Rojas / Franchitti | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:53.241 | 1:53.4560 | 1:53.2900 | no time | 1:54.0720 | 1:53.2410 |
| 10th | 60 | Negri / Pew / Wilson | Riley Mk XXVI Ford | Michael Shank Racing with Curb/Agajanian | 1:53.484 | 1:54.0620 | 1:53.7050 | 1:57.0720 | 1:53.4840 | 1:54.2170 |
| 11th | 9 | Frisselle / Frisselle / Fogarty | Chevrolet Corvette DP | Action Express Racing | 1:53.590 | 1:53.5900 | 1:54.5650 | 1:57.4430 | 1:54.9540 | 1:54.0710 |
| 12th | 09 | Ende / Heinemeier Hansson / Junqueira | Oreca FLM 09 | RSR Racing | 1:54.839 | 1:54.8390 | 1:56.7530 | 2:15.5470 | 1:56.6950 | 1:56.7450 |
| 13th | 78 | Popow / Kaffer / Mayer / Saavedra | Riley Mk XXVI Honda | Starworks Motorsport | 1:55.081 | 1:55.0810 | 2:00.7910 | 1:59.0420 | 1:55.0990 | no time |
| 14th | 54 | Gue / Bennett / Braun | Oreca FLM 09 | Core Autosport | 1:55.382 | 1:55.6600 | 1:56.8280 | 2:00.4450 | 1:55.3820 | 1:56.6060 |
| 15th | 0 | Meyrick / Legge / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:55.468 | 1:55.4680 | 1:56.4460 | 1:58.3620 | 1:55.9330 | 1:56.2740 |
| 16th | 31 | Curran / Said / Cosmo | Chevrolet Corvette DP | Marsh Racing | 1:55.594 | 1:55.5940 | 1:55.9070 | 1:59.2340 | 1:56.2600 | 1:58.0520 |
| 17th | 25 | Kimber-Smith / Marsal / Lux / Rayhall | Oreca FLM 09 | 8Star Motorsports | 1:55.599 | 1:55.5990 | 1:56.9970 | 1:59.5310 | 1:57.4480 | 1:57.8880 |
| 18th | 38 | Matos / Shears / Ostella | Oreca FLM 09 | Performance Tech Motorsports | 1:55.603 | 1:55.6030 | 1:57.8290 | 2:02.2770 | 1:56.6330 | 1:56.4340 |
| 19th | 8 | van der Zande / Bird / Fuentes / Cheng | Oreca FLM 09 | Starworks Motorsport | 1:56.152 | 1:56.1520 | 1:56.4980 | 2:00.4930 | 1:56.8750 | 1:58.3950 |
| 20th | 08 | Tagliani / Cumming / Mitchell | Oreca FLM 09 | RSR Racing | 1:56.253 | 1:56.2530 | 1:57.8200 | 2:00.8960 | 1:59.0760 | 1:58.2860 |
| 21st | 88 | Plowman / Bielefeld / Ducote / Drissi | Oreca FLM 09 | BAR1 Motorsports | 1:56.300 | 1:56.3000 | 1:57.6090 | 1:59.7060 | 1:57.7610 | 1:58.1600 |
| 22nd | 52 | Jeannette / Guasch / Montecalvo | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:56.929 | 1:56.9290 | 1:57.9210 | 2:21.5080 | 1:58.5620 | 1:57.4170 |
| 23rd | 87 | Kasemets / Kearby / Hamilton | Oreca FLM 09 | BAR1 Motorsports | 1:57.495 | 1:57.4950 | 1:58.8880 | 2:02.2750 | 1:57.8550 | 1:58.8480 |
| 24th | 85 | Miller / Kraut / Simpson | Oreca FLM 09 | JDC/Miller Motorsports | 1:57.882 | 1:58.5590 | 1:58.8910 | no time | 1:57.8820 | 1:59.4180 |
| 25th | 50 | Pace / Defoor / Hinton | Riley Mk XXVI Dinan | Highway To Help | 1:57.921 | 1:58.3660 | 1:58.4680 | 2:02.4470 | 1:57.9210 | 2:00.7700 |
| 26th | 912 | Long / Christensen / Bergmeister | Porsche 991 RSR | Porsche North America | 1:58.933 | 1:58.9330 | 2:00.1410 | 2:02.2760 | 2:00.2890 | 1:59.9310 |
| 27th | 56 | Edwards / Müller / Werner | BMW Z4 GTE | BMW Team RLL | 1:59.024 | 1:59.0240 | 2:00.5360 | 3:25.1700 | 2:00.3240 | 1:59.3670 |
| 28th | 55 | Auberlen / Priaulx / Hand | BMW Z4 GTE | BMW Team RLL | 1:59.094 | 1:59.0940 | 2:00.1010 | 2:10.3060 | 2:00.4900 | 1:59.3760 |
| 29th | 3 | Garcia / Magnussen / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 1:59.133 | 1:59.2240 | 1:59.9520 | 2:01.9650 | 2:00.1110 | 1:59.1330 |
| 30th | 4 | Gavin / Milner / Liddell | Chevrolet Corvette C7.R | Corvette Racing | 1:59.222 | 1:59.2220 | 1:59.5210 | 2:04.1720 | 2:00.0270 | 1:59.5300 |
| 31st | 911 | Tandy / Lietz / Pilet | Porsche 991 RSR | Porsche North America | 1:59.248 | 1:59.2480 | 1:59.9200 | 2:02.4100 | 2:01.5170 | 1:59.9660 |
| 32nd | 62 | Bruni / Malucelli / Fisichella | Ferrari 458 Italia | Risi Competizione | 1:59.394 | 1:59.8900 | 2:00.2180 | 2:02.3290 | 1:59.3940 | 2:00.0650 |
| 33rd | 93 | Wittmer / Bell / Bomarito | SRT Viper GTS-R | SRT Motorsports | 1:59.738 | 2:00.1110 | 1:59.7380 | 2:00.9950 | 2:00.7630 | 2:01.1230 |
| 34th | 17 | Henzler / Sellers / Holzer | Porsche 991 RSR | Team Falken Tire | 2:00.412 | 2:00.4470 | 2:01.2400 | 2:02.6260 | 2:00.4120 | 2:00.8560 |
| 35th | 91 | Goossens / Farnbacher / Hunter-Reay | SRT Viper GTS-R | SRT Motorsports | 2:00.509 | 2:00.5090 | 2:00.8340 | 2:02.9520 | 2:00.9980 | 2:01.0840 |
| 36th | 57 | Bertolini / Jönsson / Krohn | Ferrari 458 Italia | Krohn Racing | 2:00.538 | 2:00.5380 | 2:00.5440 | 2:07.9580 | 2:01.7780 | 2:00.9860 |
| 37th | 70 | Tremblay / Long / Devlin | Mazda Prototype | SpeedSource | 2:01.971 | no time | 2:01.9710 | 2:04.7290 | 2:03.7150 | 2:02.0050 |
| 38th | 07 | Miller / Nunez / Vautier | Mazda Prototype | SpeedSource | 2:02.844 | 2:14.0950 | 2:03.6650 | 2:03.7940 | 2:04.8070 | 2:02.8440 |
| 39th | 71 | Norman / Lindsey / Estre / Vess | Porsche 991 GT America | Park Place Motorsports | 2:03.449 | 2:05.1970 | 2:07.7110 | 2:05.9030 | 2:06.8350 | 2:03.4490 |
| 40th | 94 | Cameron / Palttala / Dalla Lana / Lewis | BMW Z4 | Turner Motorsport | 2:03.501 | 2:04.2580 | 2:03.5010 | 2:06.2890 | 2:05.3140 | 2:03.9710 |
| 41st | 007 | Davison / Block / Carter | Aston Martin V12 Vantage | TRG-AMR | 2:03.762 | 2:04.3200 | 2:04.7120 | 2:08.7340 | 2:03.7620 | 2:03.8320 |
| 42nd | 30 | Giermaziak / Cisneros / Nielsen | Porsche 991 GT America | MOMO / NGT Motorsport | 2:03.800 | 2:05.0290 | 2:05.8380 | 2:05.6930 | 2:03.8000 | 2:05.3310 |
| 43rd | 73 | Estre / Norman / Vess / Lindsey | Porsche 991 GT America | Park Place Motorsports | 2:03.878 | 2:05.0380 | 2:04.0340 | 2:06.0980 | 2:04.5030 | 2:03.8780 |
| 44th | 23 | James / Riberas / Farnbacher | Porsche 991 GT America | Team Seattle/Alex Job Racing | 2:03.882 | 2:04.5420 | 2:04.7250 | 2:07.0490 | 2:05.3680 | 2:03.8820 |
| 45th | 63 | Balzan / Casè / Marcelli / Westphal | Ferrari 458 Italia | Scuderia Corsa | 2:04.198 | 2:04.4600 | 2:04.1980 | no time | 2:05.2150 | 2:05.4080 |
| 46th | 22 | Keen / MacNeil / Frommenwiler | Porsche 991 GT America | Alex Job Racing | 2:04.268 | 2:04.2680 | 2:04.3850 | 2:11.2200 | 2:04.5700 | 2:05.9200 |
| 47th | 44 | Potter / Lally / Seefried | Porsche 991 GT America | Magnus Racing | 2:04.282 | 2:04.9650 | 2:04.5900 | 2:12.9210 | 2:04.4970 | 2:04.2820 |
| 48th | 13 | Heylen / Plumb / Snow / Plumb | Porsche 991 GT America | Rum Bum/Snow Racing | 2:04.307 | 2:04.5610 | 2:04.7550 | 2:06.9590 | 2:04.3070 | 2:05.3580 |
| 49th | 33 | Keating / Bleekemolen / Bleekemolen | SRT Viper GT3-R | Riley Motorsports | 2:04.311 | 2:04.3110 | 2:05.0220 | 2:06.3430 | 2:04.7330 | 2:04.7530 |
| 50th | 81 | Faulkner / Faieta / Avenatti | Porsche 991 GT America | GB Autosport | 2:04.328 | no time | 2:05.2040 | 2:07.7050 | 2:06.2900 | 2:04.3280 |
| 51st | 46 | Mies / Putman / Espenlaub | Audi R8 LMS | Fall-Line Motorsports | 2:04.399 | 2:05.9900 | 2:04.3990 | 2:06.6990 | 2:06.0420 | 2:04.7970 |
| 52nd | 555 | Sweedler / Mediani / Bell / Segal | Ferrari 458 Italia | AIM Autosport | 2:04.433 | 2:04.6500 | 2:04.4330 | 2:05.8860 | 2:04.7870 | 2:04.5340 |
| 53rd | 35 | Neiman / von Moltke / Albuquerque | Audi R8 LMS | Flying Lizard Motorsports | 2:04.504 | 2:09.1540 | 2:04.5040 | 2:08.3320 | 2:05.7760 | 2:06.0420 |
| 54th | 48 | Haase / Miller / Bell | Audi R8 LMS | Paul Miller Racing | 2:04.533 | 2:05.7980 | 2:04.5330 | 2:06.0830 | 2:06.5090 | 2:04.8550 |
| 55th | 49 | Ruberti / Roda / Venturi | Ferrari 458 Italia | Spirit of Race | 2:04.622 | 2:05.1460 | 2:05.0700 | 2:06.0980 | 2:04.9820 | 2:04.6220 |
| 56th | 51 | Gerber / Griffin / Rugolo / Cioci | Ferrari 458 Italia | Spirit of Race | 2:04.715 | 2:10.6520 | 2:04.7320 | 2:10.0070 | 2:04.7390 | 2:04.7150 |
| 57th | 45 | Canache / Pumpelly / Winkelhock / Latif | Audi R8 LMS | Flying Lizard Motorsports | 2:04.761 | 2:07.0770 | 2:04.8930 | 2:19.0440 | 2:04.7610 | 2:05.3170 |
| 58th | 28 | Ineichen / Engelhart / Konrad | Porsche 991 GT America | Dempsey Racing | 2:04.784 | 2:04.7840 | 2:06.4520 | 2:12.7710 | 2:06.1040 | 2:05.1080 |
| 59th | 009 | Davis / Wilson / Riddle | Aston Martin V12 Vantage | TRG-AMR | 2:04.999 | 2:05.8630 | 2:04.9990 | 2:10.1410 | 2:06.2310 | 2:05.3730 |
| 60th | 27 | Davis / Dempsey / Siedler / Foster | Porsche 991 GT America | Dempsey Racing | 2:05.087 | 2:05.0870 | 2:05.5320 | 2:07.3470 | 2:05.6130 | 2:05.5980 |
| 61st | 32 | Basseng / Welch / Sofronas | Audi R8 LMS | GMG Racing | 2:05.404 | 2:05.4040 | 2:05.8140 | 2:08.2610 | 2:05.7380 | 2:05.9680 |
| 62nd | 19 | Bamber / Melgrati / Gimple | Porsche 991 GT America | Muehlner Motorsports America | 2:05.606 | 2:05.6060 | 2:07.3130 | 2:21.0130 | 2:07.2630 | 2:09.8450 |
| 63rd | 18 | Bamber / Verdonck | Porsche 991 GT America | Muehlner Motorsports America | 2:06.637 | no time | | no time | 2:06.6370 | no time |