| 1st | 42 | Yacaman / Brundle / Tung | Morgan LM P2 Nissan | OAK Racing | 1:37.902 | 1:37.9020 | 1:38.9760 | 1:41.9540 | 1:40.4570 | 1:39.8920 |
| 2nd | 5 | Barbosa / Fittipaldi / Frisselle | Chevrolet Corvette DP | Action Express Racing | 1:38.560 | 1:38.5600 | 1:39.4300 | 1:41.8990 | 1:40.6310 | 1:39.5420 |
| 3rd | 90 | Westbrook / Valiante | Chevrolet Corvette DP | Spirit of Daytona | 1:38.692 | 1:38.6920 | 1:40.0850 | 1:41.2910 | 1:40.6200 | 1:39.8000 |
| 4th | 01 | Pruett / Rojas / Karam | Riley Mk XXVI Ford | Chip Ganassi Racing with Felix Sabates | 1:38.738 | 1:38.7380 | 1:40.1870 | 1:40.8650 | 1:40.6480 | 1:39.8890 |
| 5th | 1 | Sharp / Dalziel | HPD ARX-03b | Extreme Speed Motorsports | 1:39.005 | 1:39.0050 | 1:40.5010 | 1:40.5700 | 1:39.9180 | 1:40.3710 |
| 6th | 10 | Taylor / Taylor / Angelelli | Chevrolet Corvette DP | Konica Minolta Chevrolet Corvette Dallara for Wayne Taylor Racing | 1:39.055 | 1:39.0550 | 1:40.0680 | 1:40.8220 | 1:41.7930 | 1:40.0400 |
| 7th | 2 | Brown / Lazzaro / Van Overbeek | HPD ARX-03b | Extreme Speed Motorsports | 1:39.143 | 1:39.1430 | 1:40.4260 | 1:43.0660 | 1:40.9390 | 1:40.0370 |
| 8th | 9 | Frisselle / Fogarty / Frisselle | Chevrolet Corvette DP | Action Express Racing | 1:39.454 | 1:39.4540 | 1:39.9210 | 1:41.7720 | 1:41.2360 | 1:40.3750 |
| 9th | 60 | Pew / Negri | Riley Mk XXVI Ford | Michael Shank Racing with Curb/Agajanian | 1:40.128 | 1:40.1280 | 1:41.4040 | 1:41.2020 | 1:41.1170 | 1:41.0680 |
| 10th | 0 | Legge / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:40.538 | 1:40.5380 | 1:41.0610 | 1:42.2540 | 1:43.0260 | 1:42.0480 |
| 11th | 54 | Bennett / Braun / Gue | Oreca FLM 09 | Core Autosport | 1:40.562 | 1:40.5620 | 1:42.1990 | 1:45.8310 | 1:43.1590 | 1:43.6200 |
| 12th | 25 | Lux / Rayhall / Kimber-Smith | Oreca FLM 09 | 8Star Motorsports | 1:40.823 | 1:40.8230 | 1:42.8500 | 1:43.2160 | 1:42.5550 | 1:42.2000 |
| 13th | 8 | van der Zande / Schultis | Oreca FLM 09 | Starworks Motorsport | 1:40.955 | 1:40.9550 | 1:41.9900 | 1:43.1850 | 1:43.3930 | 1:41.6520 |
| 14th | 7 | Fuentes / Martin | Oreca FLM 09 | Starworks Motorsport | 1:41.041 | 1:41.0410 | 1:42.4250 | 1:45.1060 | 1:43.8800 | 1:42.1040 |
| 15th | 31 | Curran / Said / Cosmo | Chevrolet Corvette DP | Marsh Racing | 1:41.341 | 1:41.3410 | 1:41.7730 | no time | 1:44.0750 | 1:42.2090 |
| 16th | 52 | Montecalvo / Jeannette | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:41.509 | 1:41.5090 | 1:42.9030 | 1:44.6380 | 1:43.6570 | 1:43.2220 |
| 17th | 09 | Ende / Lewis / Junqueira | Oreca FLM 09 | RSR Racing | 1:41.846 | 1:42.0760 | 1:41.8460 | 1:43.6960 | 1:45.4520 | 1:44.0530 |
| 18th | 38 | Ostella / Hedlund | Oreca FLM 09 | Performance Tech Motorsports | 1:41.897 | 1:41.8970 | 1:43.1410 | 1:44.4040 | 1:44.9540 | 1:43.0660 |
| 19th | 88 | Bielefeld / Plowman / Cheng | Oreca FLM 09 | BAR1 Motorsports | 1:42.268 | 1:42.2680 | 1:42.5370 | 1:43.2040 | 1:44.4840 | 1:42.8460 |
| 20th | 85 | Miller / Simpson / Drissi | Oreca FLM 09 | JDC/Miller Motorsports | 1:42.415 | no time | 1:42.4150 | 1:45.0050 | 1:47.1870 | 1:42.4660 |
| 21st | 08 | Cumming / Tagliani / Mitchell | Oreca FLM 09 | RSR Racing | 1:43.422 | no time | 1:43.4870 | 1:47.0040 | 1:44.7240 | 1:43.4220 |
| 22nd | 07 | Miller / Nunez / Vautier | Mazda Prototype | SpeedSource | 1:43.788 | 1:43.7880 | 1:44.3300 | 1:45.2890 | 1:44.0990 | 1:44.9290 |
| 23rd | 55 | Auberlen / Priaulx | BMW Z4 GTE | BMW Team RLL | 1:44.084 | 1:44.0840 | 1:45.4830 | no time | 1:45.6520 | 1:44.8960 |
| 24th | 3 | Magnussen / Garcia | Chevrolet Corvette C7.R | Corvette Racing | 1:44.376 | 1:44.3760 | 1:45.3640 | 1:45.3170 | 1:46.3680 | 1:44.7730 |
| 25th | 56 | Edwards / Müller | BMW Z4 GTE | BMW Team RLL | 1:44.377 | 1:44.3770 | 1:45.5770 | no time | 1:45.6980 | 1:45.0490 |
| 26th | 912 | Long / Christensen / Pilet | Porsche 991 RSR | Porsche North America | 1:44.482 | 1:44.4820 | 1:45.5260 | 1:46.5960 | 1:45.9640 | 1:44.9880 |
| 27th | 93 | Bomarito / Wittmer / Goossens | Dodge Viper SRT GTS-R | SRT Motorsports | 1:44.606 | 1:44.6060 | 1:45.3940 | 1:47.6310 | 1:46.3500 | 1:44.9530 |
| 28th | 91 | Farnbacher / Goossens / Bomarito | Dodge Viper SRT GTS-R | SRT Motorsports | 1:44.755 | 1:44.7550 | 1:45.5870 | 1:46.1510 | 1:45.9310 | 1:45.3810 |
| 29th | 4 | Gavin / Milner | Chevrolet Corvette C7.R | Corvette Racing | 1:44.783 | 1:44.7830 | 1:45.4100 | 1:46.1790 | 1:46.0720 | 1:45.7100 |
| 30th | 62 | Kaffer / Fisichella | Ferrari 458 Italia | Risi Competizione | 1:44.950 | 1:44.9500 | 1:45.3110 | 1:46.4590 | 1:46.3590 | 1:45.6840 |
| 31st | 911 | Tandy / Lietz / Pilet | Porsche 991 RSR | Porsche North America | 1:45.015 | 1:45.2190 | 1:45.6810 | 1:46.6140 | 1:45.7270 | 1:45.0150 |
| 32nd | 17 | Henzler / Sellers | Porsche 991 RSR | Team Falken Tire | 1:45.134 | 1:45.1340 | 1:45.9830 | 1:47.0140 | 1:46.8870 | 1:46.7850 |
| 33rd | 70 | Tremblay / Long / Devlin | Mazda Prototype | SpeedSource | 1:45.825 | 1:45.8250 | 1:48.7540 | 1:52.5850 | 1:47.7260 | 1:47.5610 |
| 34th | 57 | Krohn / Jönsson | Ferrari 458 Italia GT | Krohn Racing | 1:47.020 | 1:49.5880 | 1:47.0200 | 1:52.3270 | 1:49.7100 | 1:49.1860 |
| 35th | 22 | MacNeil / Keen / Frommenwiler | Porsche 991 GT America | Alex Job Racing | 1:48.831 | 1:48.8310 | 1:50.2880 | 1:50.5900 | 1:50.3220 | 1:49.9900 |
| 36th | 94 | Palttala / Cameron | BMW Z4 | Turner Motorsport | 1:49.023 | 1:49.0230 | 1:50.1630 | 1:51.4310 | 1:51.4420 | 1:50.3220 |
| 37th | 33 | Bleekemolen / Keating | Dodge Viper SRT | Riley Motorsports | 1:49.119 | 1:49.1190 | 1:50.4550 | 1:52.9350 | no time | 1:50.2340 |
| 38th | 45 | Canache / Pumpelly / Sandberg | Audi R8 LMS | Flying Lizard Motorsports | 1:49.253 | 1:49.2530 | 1:50.5520 | 1:53.7060 | 1:51.1100 | 1:50.1980 |
| 39th | 44 | Potter / Lally / Asch | Porsche 991 GT America | Magnus Racing | 1:49.371 | 1:49.3710 | 1:49.9260 | 1:53.3580 | 1:51.5440 | 1:50.7680 |
| 40th | 35 | Neiman / von Moltke / Pumpelly | Audi R8 LMS | Flying Lizard Motorsports | 1:49.764 | 1:49.7830 | 1:49.7640 | 1:54.4140 | 1:52.0380 | 1:50.9710 |
| 41st | 555 | Sweedler / Bell | Ferrari 458 Italia | AIM Autosport | 1:49.850 | 1:49.8500 | 1:50.6790 | 1:54.1460 | 1:50.6210 | 1:50.8250 |
| 42nd | 30 | Nielsen / Giermaziak | Porsche 991 GT America | MOMO / NGT Motorsport | 1:49.938 | 1:51.0090 | 1:49.9380 | 1:52.6720 | 1:52.3920 | 1:51.0630 |
| 43rd | 007 | Carter / Davison / Block | Aston Martin V12 Vantage | TRG-AMR | 1:49.945 | 1:50.0200 | 1:51.8440 | 1:53.3820 | 1:51.8880 | 1:49.9450 |
| 44th | 23 | James / Farnbacher | Porsche 991 GT America | Team Seattle/Alex Job Racing | 1:50.024 | 1:50.0240 | 1:50.7210 | no time | 1:52.4060 | 1:51.4110 |
| 45th | 63 | Balzan / Westphal / Davis | Ferrari 458 Italia | Scuderia Corsa | 1:50.025 | 1:50.0250 | 1:50.3150 | 1:51.5650 | 1:51.1420 | 1:50.7270 |
| 46th | 27 | Dempsey / Davis / Foster | Porsche 991 GT America | Dempsey Racing | 1:50.050 | 1:50.0500 | 1:51.1240 | 1:53.9360 | 1:51.4670 | 1:50.3410 |
| 47th | 58 | Snow / Heylen | Porsche 991 GT America | Snow Racing | 1:50.127 | 1:50.4500 | 1:50.1270 | 1:50.3400 | 1:50.9100 | 1:50.7450 |
| 48th | 81 | Barker / Faulkner / Avenatti | Porsche 991 GT America | GB Autosport | 1:50.172 | 1:50.4560 | 1:50.1720 | 1:52.5330 | 1:52.1940 | 1:50.5040 |
| 49th | 48 | Haase / Miller | Audi R8 LMS | Paul Miller Racing | 1:50.526 | 1:51.3470 | 1:50.5260 | 1:51.1720 | 1:51.2950 | 1:50.5790 |
| 50th | 51 | Griffin / Gerber / Rugolo | Ferrari 458 Italia | Spirit of Race | 1:50.579 | 1:56.6250 | 1:50.5790 | 2:02.3040 | 1:52.2380 | 1:50.7650 |
| 51st | 46 | Espenlaub / Putman / Bonanomi | Audi R8 LMS | Fall-Line Motorsports | 1:50.589 | 1:50.5890 | 1:51.6370 | 1:53.5220 | 1:54.2970 | 1:51.0190 |
| 52nd | 73 | Lindsey / Norman / van Lagen | Porsche 991 GT America | Park Place Motorsports | 1:51.108 | 1:51.5020 | 1:51.8070 | 1:51.1080 | 1:53.9200 | 1:52.0100 |
| 53rd | 18 | Madsen / Ludwig / Calvert-Jones | Porsche 991 GT America | Muehlner Motorsports America | 1:53.153 | 1:53.7440 | 1:53.1530 | 1:53.8840 | 1:54.7950 | 1:53.8310 |