| 1st | 10 | Taylor / Taylor / Angelelli | Chevrolet Corvette DP | No.10 Konica Minolta Corvette DP for Wayne Taylor | 1:39.181 | 1:39.1810 |
| 2nd | 5 | Barbosa / Fittipaldi / Bourdais | Chevrolet Corvette DP | Action Express Racing LLC | 1:39.310 | 1:39.3100 |
| 3rd | 60 | McMurry / Pew | Ligier JS P2 Honda | Michael Shank Racing w/Curb/Agajanian | 1:39.342 | 1:39.3420 |
| 4th | 01 | Pruett / Hand / Kimball / Karam | Riley Mk XXVI Ford | Chip Ganassi Racing with Felix Sabates | 1:39.397 | 1:39.3970 |
| 5th | 02 | Dixon / Kanaan / Larson / McMurray | Riley Mk XXVI Ford | Chip Ganassi Racing with Felix Sabates | 1:39.406 | 1:39.4060 |
| 6th | 0 | Rojas / Legge / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing | 1:39.484 | 1:39.4840 |
| 7th | 90 | Westbrook / Valiante / Rockenfeller | Chevrolet Corvette DP | VisitFlorida.com Racing | 1:39.531 | 1:39.5310 |
| 8th | 31 | Curran / Cameron / Papis / Keen | Chevrolet Corvette DP | Action Express Racing LLC | 1:39.907 | 1:39.9070 |
| 9th | 7 | Hartley / Barrichello / Hunter-Reay / Graves / Mayer | Riley Mk XXVI BMW | Starworks Motorsport | 1:40.201 | 1:40.2010 |
| 10th | 57 | Krohn / Pla / Jönsson / Brundle | Ligier JS P2 Judd | Krohn Racing | 1:40.390 | 1:40.3900 |
| 11th | 2 | Brown / Fogarty / Van Overbeek | HPD ARX-04b Honda | Tequila Patron ESM | 1:40.621 | 1:40.6210 |
| 12th | 66 | Gewirtz / Lewis / Kvamme | Riley Mk XXVI BMW | RG Racing | 1:41.364 | 1:41.3640 |
| 13th | 54 | Bennett / Braun / Wilkins / Gue | Oreca FLM 09 | Core Autosport | 1:41.769 | 1:41.7690 |
| 14th | 11 | Cumming / Hawksworth / Junqueira / Menezes | Oreca FLM 09 | RSR Racing | 1:41.865 | 1:41.8650 |
| 15th | 07 | Miller / Long / Devlin / Tremblay | Mazda Prototype | SpeedSource | 1:42.124 | 1:42.1240 |
| 16th | 8 | van der Zande / Schultis / Popow / Hedlund / Bernoldi | Oreca FLM 09 | Starworks Motorsport | 1:42.146 | 1:42.1460 |
| 17th | 70 | Bomarito / Nunez / Tremblay | Mazda Prototype | SpeedSource | 1:42.853 | 1:42.8530 |
| 18th | 16 | Mowlem / Papadopoulos / Drissi / Alder | Oreca FLM 09 | BAR1 Motorsports | 1:43.143 | 1:43.1430 |
| 19th | 50 | Pace / Defoor / Hinton / Schroeder | Riley Mk XXVI BMW | Fifty Plus Racing Endures for a Cure/Highway | 1:43.301 | 1:43.3010 |
| 20th | 61 | Plowman / Drumwright / Ducote / Ware | Oreca FLM 09 | BAR1 Motorsports | 1:43.352 | 1:43.3520 |
| 21st | 52 | Guasch / Novich / Palmer / Kimber-Smith | Oreca FLM 09 | PR1 Mathiasen Motorsports | 1:43.380 | 1:43.3800 |
| 22nd | 85 | Goikhberg / Simpson / Mitchell | Oreca FLM 09 | JDC/Miller Motorsports | 1:43.507 | 1:43.5070 |
| 23rd | 38 | French / Mee / Vautier | Oreca FLM 09 | Performance Tech Motorsports | 1:43.586 | 1:43.5860 |
| 24th | 912 | Bergmeister / Bamber / Makowiecki | Porsche 991 RSR | Porsche North America | 1:44.316 | 1:44.3160 |
| 25th | 98 | Lamy / Lauda / Turner / Dalla Lana | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:44.414 | 1:44.4140 |
| 26th | 911 | Tandy / Pilet / Lieb | Porsche 991 RSR | Porsche North America | 1:44.486 | 1:44.4860 |
| 27th | 3 | Magnussen / Garcia / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 1:44.500 | 1:44.5000 |
| 28th | 62 | Kaffer / Rigon | Ferrari 458 Italia | Risi Competizione | 1:44.618 | 1:44.6180 |
| 29th | 25 | Farfus / Auberlen / Werner / Spengler | BMW Z4 GTE | BMW Team RLL | 1:44.768 | 1:44.7680 |
| 30th | 17 | Henzler / Sellers / Long | Porsche 991 RSR | Falken Tire | 1:44.779 | 1:44.7790 |
| 31st | 4 | Gavin / Milner / Pagenaud | Chevrolet Corvette C7.R | Corvette Racing | 1:44.799 | 1:44.7990 |
| 32nd | 51 | Perrodo / Collard / Vilander | Ferrari 458 Italia | AF Corse | 1:44.841 | 1:44.8410 |
| 33rd | 24 | Edwards / Luhr / Klingmann / Rahal | BMW Z4 GTE | BMW Team RLL | 1:45.058 | 1:45.0580 |
| 34th | 33 | Keating / Bleekemolen / Carter | Dodge Viper SRT | Riley Motorsports | 1:46.948 | 1:46.9480 |
| 35th | 93 | Carter / Keating | Dodge Viper SRT | Riley Motorsports | 1:47.245 | 1:47.2450 |
| 36th | 58 | Snow / Eng / Heylen / Dempsey | Porsche 991 GT America | Wright Motorsports | 1:47.433 | 1:47.4330 |
| 37th | 28 | Bachler / Zöchling / Engelhart / Willsey | Porsche 991 GT America | Konrad Motorsport | 1:47.495 | 1:47.4950 |
| 38th | 81 | Faulkner / Giermaziak / Skeen / Butcher / Avenatti | Porsche 991 GT America | GB Autosport | 1:47.524 | 1:47.5240 |
| 39th | 007 | Davison / Nielsen / Nygaard / Davis | Aston Martin V12 Vantage | TRG-AMR | 1:47.529 | 1:47.5290 |
| 40th | 22 | MacNeil / Keen / Davis / Van Gisbergen | Porsche 991 GT America | Alex Job Racing | 1:47.581 | 1:47.5810 |
| 41st | 45 | Winkelhock / Thorne / Hoshino / Fujii | Audi R8 LMS | Flying Lizard Motorsports | 1:47.581 | 1:47.5810 |
| 42nd | 48 | Haase / Miller / von Moltke / Rast | Audi R8 LMS | Paul Miller Racing | 1:47.669 | 1:47.6690 |
| 43rd | 009 | DeBoer / Doyle | Aston Martin V12 Vantage | TRG-AMR | 1:47.703 | 1:47.7030 |
| 44th | 49 | Lathouras / Aguas / Rugolo | Ferrari 458 Italia | AF Corse | 1:47.740 | 1:47.7400 |
| 45th | 64 | Longo / Serra | Ferrari 458 Italia | Scuderia Corsa | 1:47.901 | 1:47.9010 |
| 46th | 44 | Potter / Lally / Seefried | Porsche 991 GT America | Magnus Racing LLC | 1:47.943 | 1:47.9430 |
| 47th | 23 | James / Riberas / Farnbacher | Porsche 991 GT America | Team Seattle/Alex Job Racing | 1:47.970 | 1:47.9700 |
| 48th | 73 | | Porsche 991 GT America | Park Place Motorsports | 1:48.125 | 1:48.1250 |
| 49th | 63 | Sweedler / Bell / Lazzaro / Segal | Ferrari 458 Italia | Scuderia Corsa | 1:48.156 | 1:48.1560 |
| 50th | 19 | Michaelian / Basseng / Beretta / O'Young / De Phillippi | Porsche 991 GT America | Muehlner Motorsports America | 1:48.811 | 1:48.8110 |
| 51st | 97 | | BMW Z4 | Turner Motorsport | 1:55.560 | 1:55.5600 |
| 52nd | 18 | Michaelian / Basseng / Beretta / O'Young / De Phillippi | Porsche 991 GT America | Muehlner Motorsports America | 2:04.335 | 2:04.3350 |