| 1st | 99 | Gurney / Fogarty / Gidley / Law | Chevrolet Corvette DP | GAINSCO/Bob Stallings Racing | 1:38.270 | 1:38.2700 | 1:40.5830 | 1:39.5770 | 1:39.5680 |
| 2nd | 90 | Westbrook / Valiante / Rockenfeller | Chevrolet Corvette DP | Spirit Of Daytona | 1:38.487 | 1:38.4870 | 1:39.8910 | 1:39.2790 | 1:39.2560 |
| 3rd | 78 | Hartley / Mayer / Popow / Viso / Saavedra | Riley Mk XXVI Dinan | Starworks Motorsport | 1:38.525 | 1:38.5250 | 1:40.7070 | 1:41.5480 | 1:40.9950 |
| 4th | 5 | Barbosa / Fittipaldi / Frisselle / Bourdais | Chevrolet Corvette DP | Action Express Racing | 1:38.658 | 1:38.6580 | 1:39.1800 | 1:38.9640 | 1:39.6650 |
| 5th | 9 | Giroix / Frisselle / Martin / Frisselle | Chevrolet Corvette DP | Action Express Racing | 1:38.838 | 1:38.8380 | 1:39.8300 | 1:40.0180 | 1:40.1880 |
| 6th | 02 | Dixon / Kanaan / Franchitti / Larson | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:38.948 | 1:38.9480 | 1:40.1850 | 1:40.6360 | 1:39.8220 |
| 7th | 10 | Taylor / Taylor / Angelelli / Taylor | Chevrolet Corvette DP | Wayne Taylor Racing | 1:39.023 | 1:39.0230 | 1:39.8500 | 1:39.9920 | 1:40.3670 |
| 8th | 0 | Meyrick / Legge / Rossi / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:39.270 | 1:39.2700 | 1:40.9750 | 1:41.2130 | no time |
| 9th | 01 | Pruett / Rojas / McMurray / Karam | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:39.424 | 1:39.4240 | 1:40.5620 | 1:41.4000 | 1:39.8350 |
| 10th | 60 | Negri / Pew / Allmendinger / Wilson | Riley Mk XXVI Ford | Michael Shank Racing with Curb/Agajanian | 1:39.761 | 1:39.7610 | 1:40.6360 | 1:40.6320 | 1:41.6750 |
| 11th | 42 | Pla / Rusinov / Yacaman / Webb | Morgan LM P2 Nissan | OAK Racing | 1:39.828 | 1:43.4200 | 1:39.8280 | 1:40.1620 | 1:40.9450 |
| 12th | 6 | Graf / Luhr / Brundle | Oreca 03 Nissan | Muscle Milk Pickett Racing | 1:39.829 | 1:39.8290 | 1:40.8920 | 1:40.9140 | 1:40.6100 |
| 13th | 2 | Brown / Pagenaud / Van Overbeek / Lazzaro | HPD ARX-03b | Extreme Speed Motorsports | 1:40.344 | 1:41.8850 | 1:40.8110 | 1:40.3440 | 1:41.5280 |
| 14th | 1 | Sharp / Dalziel / Brabham | HPD ARX-03b | Extreme Speed Motorsports | 1:40.433 | 1:42.1570 | 1:40.4330 | 1:40.6780 | 1:40.9380 |
| 15th | 31 | Curran / Said / Smith / Papis | Chevrolet Corvette DP | Marsh Racing | 1:40.570 | 1:40.5700 | 1:41.0920 | 1:42.2500 | 1:45.9250 |
| 16th | 50 | Pace / Defoor / Beck / Hinton | Riley Mk XXVI Dinan | Highway To Help | 1:41.587 | 1:41.5870 | 1:42.2290 | 1:43.2620 | 1:43.4230 |
| 17th | 54 | Bennett / Gue / Braun / Wilkins | Oreca FLM 09 | Core Autosport | 1:41.777 | 1:41.7770 | 1:43.6100 | 1:42.7240 | 1:45.4710 |
| 18th | 8 | van der Zande / Schultis / Lux / Bird | Oreca FLM 09 | Starworks Motorsport | 1:41.815 | 1:41.8150 | 1:43.0160 | 1:42.6320 | 1:42.1760 |
| 19th | 09 | Ende / Heinemeier Hansson / Junqueira / Menezes | Oreca FLM 09 | RSR Racing | 1:41.932 | 1:41.9320 | 1:44.2070 | 1:43.0370 | 1:44.7320 |
| 20th | 38 | Matos / Ostella / Drissi / Casagrande / Campos | Oreca FLM 09 | Performance Tech Motorsports | 1:42.053 | 1:42.0530 | 1:43.5820 | 1:43.9830 | 1:45.6880 |
| 21st | 08 | Tagliani / Cumming / Mitchell / Daly | Oreca FLM 09 | RSR Racing | 1:42.187 | 1:42.1870 | 1:43.6600 | 1:45.1440 | 1:45.3490 |
| 22nd | 87 | Rayhall / Kovacic / Bielefeld / Kearby / Kasemets | Oreca FLM 09 | BAR1 Motorsports | 1:42.416 | 1:42.4160 | 1:44.1330 | 1:44.3530 | 1:44.1950 |
| 23rd | 7 | Kaffer / Popow / Fuentes / Tutumlu / Marcelli | Oreca FLM 09 | Starworks Motorsport | 1:43.082 | 1:44.1260 | 1:44.2280 | 1:43.9450 | 1:43.0820 |
| 24th | 52 | Jeannette / Montecalvo / Cheng / Guasch | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:43.156 | 1:43.1560 | 1:44.0170 | 1:44.5990 | 1:44.3190 |
| 25th | 25 | Kimber-Smith / Potolicchio / Marsal | Oreca FLM 09 | 8Star Motorsports | 1:43.962 | no time | 1:43.9620 | 1:45.2840 | 1:50.2870 |
| 26th | 91 | Goossens / Farnbacher / Hunter-Reay | SRT Viper GTS-R | SRT Motorsports | 1:44.506 | 1:44.5060 | 1:45.1470 | 1:45.2330 | 1:47.4470 |
| 27th | 911 | Tandy / Lietz / Pilet | Porsche 991 RSR | Porsche North America | 1:44.582 | 1:44.5820 | 1:44.9140 | 1:45.7310 | 1:45.4220 |
| 28th | 93 | Bomarito / Bell / Wittmer | SRT Viper GTS-R | SRT Motorsports | 1:44.617 | 1:44.6170 | 1:45.3670 | 1:44.9920 | 1:47.7160 |
| 29th | 4 | Gavin / Milner / Liddell | Chevrolet Corvette C7.R | Corvette Racing | 1:44.729 | 1:44.7290 | 1:45.4010 | 1:45.6700 | 1:45.9990 |
| 30th | 912 | Long / Christensen / Bergmeister | Porsche 991 RSR | Porsche North America | 1:44.746 | 1:44.7460 | 1:45.4060 | 1:46.3260 | 1:46.0250 |
| 31st | 62 | Bruni / Malucelli / Fisichella / Beretta | Ferrari 458 Italia | Risi Competizione | 1:45.007 | no time | 1:45.6310 | 1:45.6020 | 1:45.0070 |
| 32nd | 56 | Edwards / Müller / Rahal / Werner | BMW Z4 GTE | BMW Team RLL | 1:45.369 | 1:45.6670 | 1:45.3690 | 1:46.0890 | 1:46.3090 |
| 33rd | 97 | Lamy / Mücke / Turner / Dalla Lana / Stanaway | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:45.439 | 1:45.4390 | 1:45.8770 | 1:45.5790 | 1:46.0660 |
| 34th | 55 | Auberlen / Priaulx / Hand / Martin | BMW Z4 GTE | BMW Team RLL | 1:45.648 | 1:45.6720 | 1:45.6480 | 1:48.1580 | 1:46.4350 |
| 35th | 3 | Magnussen / Garcia / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 1:45.676 | no time | 1:45.6760 | 1:45.7550 | 1:45.9340 |
| 36th | 57 | Bertolini / Jönsson / Krohn / Dumbreck | Ferrari 458 Italia | Krohn Racing | 1:46.348 | 1:46.8630 | 1:46.3480 | 1:47.4150 | 1:46.6280 |
| 37th | 48 | Haase / Rast / Miller / Bell | Audi R8 LMS | Paul Miller Racing | 1:46.973 | 1:46.9730 | 1:47.1940 | 1:48.3120 | 1:50.8850 |
| 38th | 63 | Vilander / Balzan / Westphal / Casè | Ferrari 458 Italia | Scuderia Corsa | 1:47.028 | 1:47.0280 | 1:47.9010 | 1:48.4370 | 1:48.7160 |
| 39th | 46 | Putman / Jarvis / Espenlaub / Walker | Audi R8 LMS | Fall-Line Motorsports | 1:47.050 | 1:47.0500 | 1:51.9730 | 1:48.2430 | 1:48.5810 |
| 40th | 65 | Serra / Longo / Negrão / Gomes | Ferrari 458 Italia | Scuderia Corsa | 1:47.052 | 1:47.0520 | 1:47.8490 | 1:47.5420 | 1:49.1470 |
| 41st | 007 | Davison / Block / Carter / Davis | Aston Martin V12 Vantage | TRG-AMR | 1:47.055 | 1:47.0550 | 1:47.5890 | 1:48.4020 | 1:49.8300 |
| 42nd | 555 | Bell / Tucker / Sweedler / Segal / Pier Guidi | Ferrari 458 Italia | Level 5 Motorsports | 1:47.062 | 1:47.0620 | 1:47.2610 | 1:47.2590 | 1:48.3740 |
| 43rd | 33 | Bleekemolen / Keating / Bleekemolen / Collard | SRT Viper GT3-R | Riley Motorsports | 1:47.255 | 1:47.2550 | 1:49.1640 | 1:48.4020 | 1:48.5840 |
| 44th | 72 | Salo / Rotenberg / Mediani / Zlobin / Aleshin | Ferrari 458 Italia | SMP/ESM Racing | 1:47.301 | 1:47.3610 | 1:47.3010 | 1:47.8230 | 1:49.4950 |
| 45th | 556 | Borcheller / Tucker / LaMarra / Cosmo / Valverde | Ferrari 458 Italia | Level 5 Motorsports | 1:47.348 | 1:47.3480 | 1:48.2910 | 1:48.1990 | 1:48.0730 |
| 46th | 71 | Norman / Siedler / Stanton / Bernhard | Porsche 991 GT America | Park Place Motorsports | 1:47.354 | 1:47.3540 | 1:49.0370 | 1:47.9630 | 1:49.3570 |
| 47th | 009 | Adam / Lockie / McIntosh II / Nimkoff / Riddle | Aston Martin V12 Vantage | TRG-AMR | 1:47.404 | 1:47.4040 | 1:48.9910 | 1:49.3210 | 1:51.5840 |
| 48th | 94 | Farfus / Cameron / Palttala / Dalla Lana | BMW Z4 | Turner Motorsport | 1:47.418 | 1:47.4180 | 1:48.4570 | 1:48.0830 | 1:48.4460 |
| 49th | 49 | Perazzini / Ruberti / Roda / Rigon | Ferrari 458 Italia | Spirit of Race | 1:47.423 | no time | 1:48.0850 | 1:47.4230 | 1:49.5550 |
| 50th | 27 | Davis / Foster / Dempsey / Lieb | Porsche 991 GT America | Dempsey Racing | 1:47.490 | 1:47.4900 | 1:49.5640 | 1:49.2690 | 1:50.3030 |
| 51st | 58 | Heylen / Snow / Seefried | Porsche 991 GT America | Snow Racing | 1:47.517 | 1:47.6490 | 1:47.5170 | 1:48.3970 | 1:49.2150 |
| 52nd | 18 | Bamber / Amos / Blum / Imperatori / Zitza | Porsche 991 GT America | Muehlner Motorsports America | 1:47.561 | 1:47.5610 | 1:49.4160 | 1:48.4850 | 1:52.9530 |
| 53rd | 44 | Lally / Potter / Henzler / Dumolin | Porsche 991 GT America | Magnus Racing | 1:47.572 | 1:47.5720 | 1:48.8530 | 1:48.7260 | 1:50.0860 |
| 54th | 22 | Keen / MacNeil / Van Gisbergen / Lewis / Dumoulin | Porsche 991 GT America | Alex Job Racing | 1:47.647 | 1:47.6470 | 1:48.7660 | 1:47.8740 | 1:48.5660 |
| 55th | 30 | Giermaziak / Cisneros / Thiim / Nielsen | Porsche 991 GT America | NGT Motorsport | 1:47.742 | 1:47.7420 | 1:48.3370 | 1:49.0400 | 1:48.8000 |
| 56th | 73 | Estre / Lindsey / De Phillippi / Hart / Vess | Porsche 991 GT America | Park Place Motorsports | 1:47.749 | 1:47.7490 | 1:48.4380 | 1:48.5220 | 1:48.7600 |
| 57th | 23 | James / Holzer / Farnbacher / Riberas | Porsche 991 GT America | Team Seattle/Alex Job Racing | 1:47.952 | 1:47.9520 | 1:48.6760 | 1:48.9910 | 1:49.3360 |
| 58th | 45 | Pappas / Canache / Pumpelly / Winkelhock | Audi R8 LMS | Flying Lizard Motorsports | 1:48.045 | 1:48.0450 | 1:48.8560 | 1:48.2410 | 1:51.4680 |
| 59th | 81 | Faulkner / Faieta / Avenatti / Huisman | Porsche 991 GT America | GB Autosport | 1:48.049 | 1:48.0490 | 1:49.3020 | 1:48.2520 | 1:51.2520 |
| 60th | 51 | Gerber / Griffin / Rugolo / Cioci | Ferrari 458 Italia | Spirit of Race | 1:48.082 | 1:48.4380 | 1:48.0820 | 1:48.1380 | 1:48.6990 |
| 61st | 35 | Neiman / von Moltke / Latif / Albuquerque | Audi R8 LMS | Flying Lizard Motorsports | 1:48.140 | 1:48.1400 | 1:48.2420 | 1:48.3560 | 1:48.7260 |
| 62nd | 28 | Willsey / Engelhart / Ineichen / Bachler | Porsche 991 GT America | Dempsey Racing | 1:48.233 | 1:48.7410 | 1:48.6460 | 1:48.5620 | 1:48.2330 |
| 63rd | 32 | Stippler / Welch / Sofronas / Basseng | Audi R8 LMS | GMG Racing | 1:48.381 | 1:48.3810 | 1:49.0440 | 1:49.5090 | 1:49.7250 |
| 64th | 64 | Wilden / Randall / Farano / Empringham / Johnson | Ferrari 458 Italia | Scuderia Corsa | 1:48.476 | 1:48.7580 | 1:48.9630 | 1:48.4760 | 1:49.9190 |
| 65th | 07 | Miller / Nunez / Vautier | Mazda Prototype | SpeedSource | 1:48.779 | 1:50.2510 | 1:49.2930 | 1:48.7790 | no time |
| 66th | 19 | Pobst / Taggart / Gewirtz / Kvamme / Michaelian | Porsche 991 GT America | Muehlner Motorsports America | 1:48.821 | 1:48.8210 | 1:50.3420 | 1:51.0900 | 1:54.2880 |
| 67th | 70 | Tremblay / Long / Hinchcliffe | Mazda Prototype | SpeedSource | 1:49.734 | 1:49.7340 | 1:51.3250 | 1:50.9140 | 1:50.9830 |