| 1st | 5 | Barbosa / Fittipaldi / Bourdais | Chevrolet Corvette DP | Action Express Racing | 1:38.630 | 1:38.6300 |
| 2nd | 90 | Westbrook / Valiante / Rockenfeller | Chevrolet Corvette DP | Spirit of Daytona | 1:38.898 | 1:38.8980 |
| 3rd | 01 | Pruett / Rojas / McMurray / Karam / Dixon | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:38.980 | 1:38.9800 |
| 4th | 99 | Gurney / Fogarty / Law / Gidley | Chevrolet Corvette DP | GAINSCO/Bob Stallings Racing | 1:39.286 | 1:39.2860 |
| 5th | 9 | Frisselle / Giroix / Frisselle / Johansson / Martin | Chevrolet Corvette DP | Action Express Racing | 1:39.343 | 1:39.3430 |
| 6th | 10 | Taylor / Angelelli / Taylor / Taylor | Chevrolet Corvette DP | Wayne Taylor Racing | 1:39.410 | 1:39.4100 |
| 7th | 1 | Sharp / Dalziel / Brabham | HPD ARX-03b | Extreme Speed Motorsports | 1:39.750 | 1:39.7500 |
| 8th | 60 | Pew / Negri / Allmendinger / Wilson | Riley Mk XXVI Ford | Michael Shank Racing | 1:39.761 | 1:39.7610 |
| 9th | 02 | Dixon / Kanaan / Franchitti / Larson / Pruett | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:39.913 | 1:39.9130 |
| 10th | 42 | Pla / Rusinov / Yacaman / Plowman | Morgan LM P2 Nissan | OAK Racing | 1:40.284 | 1:40.2840 |
| 11th | 2 | Brown / Pagenaud / Van Overbeek / Lazzaro | HPD ARX-03b | Extreme Speed Motorsports | 1:40.321 | 1:40.3210 |
| 12th | 0 | Meyrick / Legge / Rossi / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:40.508 | 1:40.5080 |
| 13th | 6 | Graf / Luhr / Brundle / Dyer | Oreca 03 Nissan | Pickett Racing | 1:40.692 | 1:40.6920 |
| 14th | 31 | Curran / Said / Smith / Papis | Chevrolet Corvette DP | Marsh Racing | 1:40.735 | 1:40.7350 |
| 15th | 8 | van der Zande / Schultis / Lux / Bird | Oreca FLM 09 | Starworks Motorsport | 1:42.010 | 1:42.0100 |
| 16th | 54 | Bennett / Braun / Wilkins / Gue | Oreca FLM 09 | Core Autosport | 1:42.468 | 1:42.4680 |
| 17th | 25 | Potolicchio / Kimber-Smith | Oreca FLM 09 | 8Star Motorsports | 1:42.575 | 1:42.5750 |
| 18th | 50 | De Foor / Pace / Hinton / Beck | Riley Mk XXVI Dinan | Highway To Help | 1:42.893 | 1:42.8930 |
| 19th | 87 | Rayhall / Bielefeld / Ducote | Oreca FLM 09 | BAR1 Motorsports | 1:43.226 | 1:43.2260 |
| 20th | 38 | Shears / Brownson / Matos / Booth | Oreca FLM 09 | Performance Tech Motorsports | 1:43.324 | 1:43.3240 |
| 21st | 52 | Guasch / Diaz / Cheng / Drissi / Kovacic | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:43.561 | 1:43.5610 |
| 22nd | 7 | Popow / Tutumlu / Fuentes / Huff | Oreca FLM 09 | Starworks Motorsport | 1:44.285 | 1:44.2850 |
| 23rd | 911 | Tandy / Lietz | Porsche 991 RSR | Porsche North America | 1:45.564 | 1:45.5640 |
| 24th | 4 | Gavin / Milner / Liddell | Chevrolet Corvette C7.R | Corvette Racing | 1:45.743 | 1:45.7430 |
| 25th | 3 | Magnussen / Garcia / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 1:45.792 | 1:45.7920 |
| 26th | 91 | Farnbacher / Goossens / Hunter-Reay | SRT Viper GTS-R | SRT Motorsports | 1:46.043 | 1:46.0430 |
| 27th | 97 | Lamy / Mücke / Turner / Dalla Lana / Stanaway | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:46.118 | 1:46.1180 |
| 28th | 93 | Bomarito / Wittmer / Bell | SRT Viper GTS-R | SRT Motorsports | 1:46.134 | 1:46.1340 |
| 29th | 912 | Long / Christensen / Bergmeister | Porsche 991 RSR | Porsche North America | 1:46.779 | 1:46.7790 |
| 30th | 56 | Edwards / Müller / Rahal / Werner | BMW Z4 GTE | BMW Team RLL | 1:46.877 | 1:46.8770 |
| 31st | 55 | Auberlen / Priaulx / Hand / Martin | BMW Z4 GTE | BMW Team RLL | 1:46.977 | 1:46.9770 |
| 32nd | 57 | Krohn / Jönsson | Ferrari 458 Italia | Krohn Racing | 1:47.774 | 1:47.7740 |
| 33rd | 45 | Canache / Pumpelly / Pappas / Winkelhock | Audi R8 LMS | Flying Lizard Motorsports | 1:47.981 | 1:47.9810 |
| 34th | 58 | Snow / Heylen / Seefried | Porsche 991 GT America | Snow Racing | 1:48.228 | 1:48.2280 |
| 35th | 71 | Norman / Stanton / Siedler | Porsche 991 GT America | Park Place Motorsports | 1:48.253 | 1:48.2530 |
| 36th | 22 | MacNeil / Keen / Dumoulin / Van Gisbergen | Porsche 991 GT America | Alex Job Racing | 1:48.269 | 1:48.2690 |
| 37th | 28 | Engelhart / Ineichen / Bachler / Konrad / Willsey | Porsche 991 GT America | Dempsey Racing | 1:48.302 | 1:48.3020 |
| 38th | 18 | Bamber / Pobst / Blum / Zitza / Imporatori | Porsche 991 GT America | Mühlner Motorsports America | 1:48.461 | 1:48.4610 |
| 39th | 556 | LaMarra / Borcheller / Segal | Ferrari 458 Italia | Level 5 Motorsports | 1:48.475 | 1:48.4750 |
| 40th | 48 | Miller / Rast / Haase / Bell | Audi R8 LMS | Paul Miller Racing | 1:48.535 | 1:48.5350 |
| 41st | 32 | Stippler / Welch / Sofronas / Basseng | Audi R8 LMS | GMG Racing | 1:48.594 | 1:48.5940 |
| 42nd | 81 | Faulkner / Faieta / Huisman | Porsche 991 GT America | GB Autosport | 1:48.607 | 1:48.6070 |
| 43rd | 555 | Tucker / Bell / Sweedler / Segal | Ferrari 458 Italia | Level 5 Motorsports | 1:48.646 | 1:48.6460 |
| 44th | 23 | James / Riberas / Farnbacher / Holzer | Porsche 991 GT America | Team Seattle/Alex Job Racing | 1:48.661 | 1:48.6610 |
| 45th | 35 | Neiman / von Moltke / Latif / Albuquerque | Audi R8 LMS | Flying Lizard Motorsports | 1:48.675 | 1:48.6750 |
| 46th | 73 | Lindsey / Estre / De Phillippi / Hart / Vess | Porsche 991 GT America | Park Place Motorsports | 1:48.727 | 1:48.7270 |
| 47th | 30 | Cisneros / Nielsen / Giermaziak / Makowiecki | Porsche 991 GT America | NGT Motorsport | 1:48.738 | 1:48.7380 |
| 48th | 46 | Putman / Jarvis / Espenlaub / Walker | Audi R8 LMS | Fall-Line Motorsports | 1:48.757 | 1:48.7570 |
| 49th | 27 | Dempsey / Davis / Foster | Porsche 991 GT America | Dempsey Racing | 1:48.867 | 1:48.8670 |
| 50th | 70 | Tremblay / Long / Vautier | Mazda Prototype | SpeedSource | 1:48.882 | 1:48.8820 |
| 51st | 72 | Zlobin / Salo / Rotenberg | Ferrari 458 Italia | SMP/ESM Racing | 1:48.884 | 1:48.8840 |
| 52nd | 51 | Griffin / Rugolo / Cioci | Ferrari 458 Italia | Spirit of Race | 1:48.888 | 1:48.8880 |
| 53rd | 44 | Potter / Lally / Wong / Eversley | Porsche 991 GT America | Magnus Racing | 1:48.892 | 1:48.8920 |
| 54th | 33 | Keating / Bleekemolen / Bleekemolen / Collard | SRT Viper GT3-R | Riley Motorsports | 1:48.944 | 1:48.9440 |
| 55th | 19 | Pobst / Bamber / Kvamme / Gewirtz / Imporatori | Porsche 991 GT America | Mühlner Motorsports America | 1:48.989 | 1:48.9890 |
| 56th | 07 | Long / Miller / Hinchcliffe / Vautier / Carbonell | Mazda Prototype | SpeedSource | 1:49.031 | 1:49.0310 |
| 57th | 009 | Carter / Block / Davison / Adam / Davis | Aston Martin V12 Vantage | TRG-AMR | 1:49.044 | 1:49.0440 |
| 58th | 63 | Balzan / Westphal / Vilander / Casè | Ferrari 458 Italia | Scuderia Corsa | 1:49.070 | 1:49.0700 |
| 59th | 49 | Perazzini / Ruberti / Roda | Ferrari 458 Italia | Spirit of Race | 1:49.098 | 1:49.0980 |
| 60th | 94 | Farfus / Cameron / Palttala / Dalla Lana | BMW Z4 | Turner Motorsport | 1:49.249 | 1:49.2490 |
| 61st | 007 | Block / Carter / Davison / Davis / Adam | Aston Martin V12 Vantage | TRG-AMR | 1:49.354 | 1:49.3540 |
| 62nd | 64 | Randall / Farano / Wilden / Empringham | Ferrari 458 Italia | Scuderia Corsa | 1:49.667 | 1:49.6670 |