| 1st | 57 | Pla / Krohn / Jönsson | Ligier JS P2 Judd | Krohn Racing | 1:51.152 | 1:51.1520 | 1:52.2610 | 1:58.7490 | 1:51.9730 | 1:52.5780 |
| 2nd | 1 | Dalziel / Sharp / Heinemeier Hansson | HPD ARX-03b Honda | Tequila Patron ESM | 1:51.455 | 1:51.4550 | 1:52.7020 | no time | 1:54.1960 | 1:52.8990 |
| 3rd | 60 | Negri / Pew / Wilson | Ligier JS P2 Honda HPD | Michael Shank Racing with Curb/Agajanian | 1:52.096 | 1:52.1700 | 1:53.7400 | 1:54.5840 | 1:52.5360 | 1:52.0960 |
| 4th | 5 | Barbosa / Fittipaldi / Bourdais | Chevrolet Corvette DP | Action Express Racing | 1:52.128 | 1:52.1280 | 1:52.9150 | 1:55.4900 | 1:52.2460 | 1:52.5880 |
| 5th | 31 | Cameron / Curran / Papis | Chevrolet Corvette DP | Action Express Racing | 1:52.490 | 1:52.4900 | 1:53.1690 | 1:56.1650 | 1:54.1830 | 1:53.2700 |
| 6th | 90 | Westbrook / Valiante / Rockenfeller | Chevrolet Corvette DP | VisitFlorida.com Racing | 1:52.691 | 1:52.6910 | 1:53.4190 | 1:54.0920 | 1:53.9490 | 1:53.4830 |
| 7th | 10 | Taylor / Taylor / Angelelli | Chevrolet Corvette DP | No. 10 Konica Minolta Corvette DP for Wayne Taylor Racing | 1:52.720 | 1:52.7200 | 1:53.9180 | 1:54.3670 | 1:53.8700 | 1:54.2110 |
| 8th | 2 | Van Overbeek / Brown / Fogarty | HPD ARX-03b Honda | Tequila Patron ESM | 1:53.047 | 1:53.0470 | 1:53.8320 | no time | 1:54.5940 | 1:54.9240 |
| 9th | 01 | Hand / Pruett / Dixon | Riley Mk XXVI Ford | Chip Ganassi Racing with Felix Sabates | 1:53.278 | 1:53.3290 | 1:54.0090 | 1:55.4890 | 1:54.0980 | 1:53.2780 |
| 10th | 16 | Plowman / Drumwright / Drissi / Cheng | Oreca FLM 09 | BAR1 Motorsports | 1:54.857 | 1:55.2570 | 1:56.4380 | no time | 1:56.2170 | 1:54.8570 |
| 11th | 54 | Braun / Bennett / Gue | Oreca FLM 09 | Core Autosport | 1:55.144 | 1:55.3270 | 1:56.0730 | 1:59.9260 | 1:55.1440 | 1:55.2590 |
| 12th | 0 | Meyrick / Rojas / Legge | DeltaWing DWC13 Elan | Claro / TracFone DeltaWing Racing | 1:55.223 | 1:55.2230 | 1:57.4070 | 2:00.6920 | 1:57.1450 | 1:55.2710 |
| 13th | 52 | Kimber-Smith / Guasch / Palmer | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:55.416 | 1:55.4160 | 1:56.2010 | 1:58.1450 | 1:56.4650 | 1:56.7060 |
| 14th | 11 | Cumming / Junqueira / Menezes | Oreca FLM 09 | RSR Racing | 1:55.563 | 1:56.4500 | 1:55.5630 | no time | 1:56.9190 | 1:57.7970 |
| 15th | 38 | Daly / Mee / French | Oreca FLM 09 | Performance Tech Motorsports | 1:55.576 | 1:55.7480 | 1:55.5760 | 2:02.4390 | 1:56.4240 | 1:55.6620 |
| 16th | 8 | Popow / van der Zande / Schultis | Oreca FLM 09 | Starworks Motorsport | 1:55.700 | 1:57.8420 | 1:56.9640 | 1:57.5650 | 1:56.7660 | 1:55.7000 |
| 17th | 85 | Mitchell / Goikhberg / Miller / Kraut | Oreca FLM 09 | JDC/Miller Motorsports | 1:56.068 | 1:57.2480 | 1:58.0650 | 2:01.0180 | 1:56.0680 | 1:57.4490 |
| 18th | 70 | Nunez / Bomarito / Tremblay | Mazda Prototype | SpeedSource | 1:57.421 | 1:57.4210 | 1:57.8200 | no time | 1:58.7850 | 1:58.3520 |
| 19th | 50 | Pace / Defoor / Hinton / Schroeder | Riley Mk XXVI BMW | Fifty Plus Racing | 1:57.784 | no time | 1:57.7840 | 1:58.6510 | 1:59.1270 | 2:02.2290 |
| 20th | 07 | Long / Miller / Devlin / Tremblay | Mazda Prototype | SpeedSource | 1:58.171 | no time | 1:58.4050 | 1:58.1710 | 1:58.8210 | 1:59.4010 |
| 21st | 912 | Makowiecki / Bergmeister / Bamber / Tandy | Porsche 991 RSR | Porsche North America | 1:58.587 | 1:58.5870 | 1:59.5800 | 2:00.8700 | 1:59.6790 | 1:59.3950 |
| 22nd | 911 | Pilet / Tandy / Lietz / Bamber | Porsche 991 RSR | Porsche North America | 1:58.806 | 1:58.8060 | 1:59.6510 | 2:00.4040 | 1:59.5310 | 1:59.0230 |
| 23rd | 3 | Garcia / Magnussen / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 1:58.828 | 1:58.8280 | 1:59.7100 | 2:02.8310 | 1:59.3130 | 1:59.1140 |
| 24th | 25 | Farfus / Werner / Auberlen | BMW Z4 GTE | BMW Team RLL | 1:58.842 | 1:58.8420 | 1:59.3790 | | 1:59.4960 | 1:59.0850 |
| 25th | 62 | Bertolini / Kaffer / Fisichella | Ferrari 458 Italia | Risi Competizione | 1:58.927 | 1:58.9270 | 1:59.3930 | 2:01.7320 | 1:59.9480 | 1:59.0600 |
| 26th | 24 | Luhr / Edwards / Klingmann | BMW Z4 GTE | BMW Team RLL | 1:58.930 | 1:58.9300 | 2:00.1550 | | 1:59.8590 | 1:59.2360 |
| 27th | 4 | Milner / Gavin / Pagenaud | Chevrolet Corvette C7.R | Corvette Racing | 1:59.104 | 1:59.4510 | 1:59.9790 | 2:00.8450 | 1:59.3420 | 1:59.1040 |
| 28th | 17 | Henzler / Sellers / Long | Porsche 991 RSR | Team Falken Tire | 1:59.323 | 1:59.7870 | 1:59.6810 | 1:59.7610 | 1:59.6160 | 1:59.3230 |
| 29th | 98 | Lamy / Lauda / Turner / Dalla Lana | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:59.660 | 1:59.8960 | 1:59.6600 | 2:01.3180 | 2:00.3010 | 2:01.4220 |
| 30th | 23 | James / Riberas / Farnbacher | Porsche 991 GT America | Team Seattle/Alex Job Racing | 2:03.159 | 2:03.5380 | 2:03.9230 | 2:06.4920 | 2:03.1590 | 2:04.1740 |
| 31st | 73 | Pumpelly / Lindsey / Norman | Porsche 991 GT America | Park Place Motorsports | 2:03.461 | 2:04.1060 | 2:04.3890 | 2:04.3660 | 2:03.4610 | 2:03.4780 |
| 32nd | 33 | Bleekemolen / Keating / Bleekemolen | Dodge Viper SRT | Riley Motorsports | 2:03.485 | 2:03.4850 | 2:04.0780 | 2:05.0360 | 2:03.9060 | 2:04.0050 |
| 33rd | 22 | Keen / MacNeil / Davis | Porsche 991 GT America | Alex Job Racing | 2:03.701 | 2:04.3390 | 2:04.7150 | 2:05.0150 | 2:04.0580 | 2:03.7010 |
| 34th | 44 | Lally / Potter / Seefried | Porsche 991 GT America | Magnus Racing | 2:03.874 | 2:04.9440 | 2:04.7050 | | 2:03.8740 | 2:04.1320 |
| 35th | 48 | Miller / Haase / von Moltke | Audi R8 LMS | Paul Miller Racing | 2:04.045 | 2:05.2650 | 2:04.9200 | 2:06.6600 | 2:04.0450 | 2:04.7900 |
| 36th | 93 | Keating / Carter / Goossens / Lawrence | Dodge Viper SRT | Riley Motorsports | 2:04.070 | 2:05.0810 | 2:04.0700 | 2:05.0940 | 2:04.6950 | 2:04.5020 |
| 37th | 49 | Perazzini / Aguas / Cioci / Potolicchio | Ferrari 458 Italia | AF Corse | 2:04.075 | 2:05.7810 | 2:05.3770 | 2:06.3090 | 2:05.9240 | 2:04.0750 |
| 38th | 58 | Heylen / Snow / Valverde | Porsche 991 GT America | Wright Motorsports | 2:04.141 | 2:05.0590 | 2:05.0120 | 2:05.6930 | 2:04.8920 | 2:04.1410 |
| 39th | 007 | Davison / Nielsen / Davis | Aston Martin V12 Vantage | TRG-AMR | 2:04.476 | 2:04.8550 | 2:04.7180 | 2:04.7580 | 2:04.5150 | 2:04.4760 |
| 40th | 63 | Lazzaro / Sweedler / Bell | Ferrari 458 Italia | Scuderia Corsa | 2:04.598 | 2:06.4790 | 2:05.1240 | 2:05.3410 | 2:06.0790 | 2:04.5980 |
| 41st | 81 | Faulkner / Skeen / Avenatti / Giermaziak | Porsche 991 GT America | GB Autosport | 2:04.930 | 2:04.9300 | 2:05.5850 | 2:08.1180 | 2:05.1260 | |
| 42nd | 97 | Said / Palttala / Marsal / Priaulx | BMW Z4 | Turner Motorsport | 2:05.318 | 2:07.3730 | 2:05.3180 | 2:06.3110 | 2:05.4550 | 2:06.2230 |
| 43rd | 45 | Holzer / Thorne / Thompson | Audi R8 LMS | Flying Lizard Motorsports | 2:05.499 | 2:05.4990 | 2:05.7060 | 2:10.1460 | 2:05.7280 | 2:05.8190 |