| 1st | 5 | Barbosa / Fittipaldi / Bourdais | Chevrolet Corvette DP | Action Express Racing | 1:38.6300 | 209.1182 | 238 |
| 2nd | 90 | Westbrook / Valiante / Rockenfeller | Chevrolet Corvette DP | Spirit of Daytona | 1:38.8980 | 208.5517 | 177 |
| 3rd | 01 | Pruett / Rojas / McMurray / Karam / Dixon | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:38.9800 | 208.3795 | 135 |
| 4th | 99 | Gurney / Fogarty / Law / Gidley | Chevrolet Corvette DP | GAINSCO/Bob Stallings Racing | 1:39.2860 | 207.7374 | 223 |
| 5th | 9 | Frisselle / Giroix / Frisselle / Johansson / Martin | Chevrolet Corvette DP | Action Express Racing | 1:39.3430 | 207.6182 | 206 |
| 6th | 10 | Taylor / Angelelli / Taylor / Taylor | Chevrolet Corvette DP | Wayne Taylor Racing | 1:39.4100 | 207.4782 | 230 |
| 7th | 1 | Sharp / Dalziel / Brabham | HPD ARX-03b | Extreme Speed Motorsports | 1:39.7500 | 206.7701 | 199 |
| 8th | 60 | Pew / Negri / Allmendinger / Wilson | Riley Mk XXVI Ford | Michael Shank Racing | 1:39.7610 | 206.7476 | 88 |
| 9th | 02 | Dixon / Kanaan / Franchitti / Larson / Pruett | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:39.9130 | 206.4338 | 96 |
| 10th | 42 | Pla / Rusinov / Yacaman / Plowman | Morgan LM P2 Nissan | OAK Racing | 1:40.2840 | 205.6693 | 254 |
| 11th | 2 | Brown / Pagenaud / Van Overbeek / Lazzaro | HPD ARX-03b | Extreme Speed Motorsports | 1:40.3210 | 205.5937 | 184 |
| 12th | 0 | Meyrick / Legge / Rossi / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:40.5080 | 205.2107 | 203 |
| 13th | 6 | Graf / Luhr / Brundle / Dyer | Oreca 03 Nissan | Pickett Racing | 1:40.6920 | 204.8357 | 227 |
| 14th | 31 | Curran / Said / Smith / Papis | Chevrolet Corvette DP | Marsh Racing | 1:40.7350 | 204.7488 | 193 |
| 15th | 8 | van der Zande / Schultis / Lux / Bird | Oreca FLM 09 | Starworks Motorsport | 1:42.0100 | 202.1899 | 204 |
| 16th | 54 | Bennett / Braun / Wilkins / Gue | Oreca FLM 09 | Core Autosport | 1:42.4680 | 201.2855 | 223 |
| 17th | 25 | Potolicchio / Kimber-Smith | Oreca FLM 09 | 8Star Motorsports | 1:42.5750 | 201.0763 | 130 |
| 18th | 50 | De Foor / Pace / Hinton / Beck | Riley Mk XXVI Dinan | Highway To Help | 1:42.8930 | 200.4551 | 146 |
| 19th | 87 | Rayhall / Bielefeld / Ducote | Oreca FLM 09 | BAR1 Motorsports | 1:43.2260 | 199.8081 | 201 |
| 20th | 38 | Shears / Brownson / Matos / Booth | Oreca FLM 09 | Performance Tech Motorsports | 1:43.3240 | 199.6182 | 185 |
| 21st | 52 | Guasch / Diaz / Cheng / Drissi / Kovacic | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:43.5610 | 199.1611 | 250 |
| 22nd | 7 | Popow / Tutumlu / Fuentes / Huff | Oreca FLM 09 | Starworks Motorsport | 1:44.2850 | 197.7787 | 144 |
| 23rd | 911 | Tandy / Lietz | Porsche 991 RSR | Porsche North America | 1:45.5640 | 195.3824 | 81 |
| 24th | 4 | Gavin / Milner / Liddell | Chevrolet Corvette C7.R | Corvette Racing | 1:45.7430 | 195.0525 | 231 |
| 25th | 3 | Magnussen / Garcia / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 1:45.7920 | 194.9608 | 208 |
| 26th | 91 | Farnbacher / Goossens / Hunter-Reay | SRT Viper GTS-R | SRT Motorsports | 1:46.0430 | 194.5005 | 187 |
| 27th | 97 | Lamy / Mücke / Turner / Dalla Lana / Stanaway | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:46.1180 | 194.3621 | 231 |
| 28th | 93 | Bomarito / Wittmer / Bell | SRT Viper GTS-R | SRT Motorsports | 1:46.1340 | 194.3331 | 208 |
| 29th | 912 | Long / Christensen / Bergmeister | Porsche 991 RSR | Porsche North America | 1:46.7790 | 193.1599 | 82 |
| 30th | 56 | Edwards / Müller / Rahal / Werner | BMW Z4 GTE | BMW Team RLL | 1:46.8770 | 192.9829 | 222 |
| 31st | 55 | Auberlen / Priaulx / Hand / Martin | BMW Z4 GTE | BMW Team RLL | 1:46.9770 | 192.8010 | 223 |
| 32nd | 57 | Krohn / Jönsson | Ferrari 458 Italia | Krohn Racing | 1:47.7740 | 191.3768 | 246 |
| 33rd | 45 | Canache / Pumpelly / Pappas / Winkelhock | Audi R8 LMS | Flying Lizard Motorsports | 1:47.9810 | 191.0098 | 197 |
| 34th | 58 | Snow / Heylen / Seefried | Porsche 991 GT America | Snow Racing | 1:48.2280 | 190.5737 | 167 |
| 35th | 71 | Norman / Stanton / Siedler | Porsche 991 GT America | Park Place Motorsports | 1:48.2530 | 190.5286 | 165 |
| 36th | 22 | MacNeil / Keen / Dumoulin / Van Gisbergen | Porsche 991 GT America | Alex Job Racing | 1:48.2690 | 190.5013 | 240 |
| 37th | 28 | Engelhart / Ineichen / Bachler / Konrad / Willsey | Porsche 991 GT America | Dempsey Racing | 1:48.3020 | 190.4433 | 169 |
| 38th | 18 | Bamber / Pobst / Blum / Zitza / Imporatori | Porsche 991 GT America | Mühlner Motorsports America | 1:48.4610 | 190.1633 | 238 |
| 39th | 556 | LaMarra / Borcheller / Segal | Ferrari 458 Italia | Level 5 Motorsports | 1:48.4750 | 190.1392 | 205 |
| 40th | 48 | Miller / Rast / Haase / Bell | Audi R8 LMS | Paul Miller Racing | 1:48.5350 | 190.0346 | 198 |
| 41st | 32 | Stippler / Welch / Sofronas / Basseng | Audi R8 LMS | GMG Racing | 1:48.5940 | 189.9316 | 238 |
| 42nd | 81 | Faulkner / Faieta / Huisman | Porsche 991 GT America | GB Autosport | 1:48.6070 | 189.9074 | 197 |
| 43rd | 555 | Tucker / Bell / Sweedler / Segal | Ferrari 458 Italia | Level 5 Motorsports | 1:48.6460 | 189.8398 | 225 |
| 44th | 23 | James / Riberas / Farnbacher / Holzer | Porsche 991 GT America | Team Seattle/Alex Job Racing | 1:48.6610 | 189.8141 | 206 |
| 45th | 35 | Neiman / von Moltke / Latif / Albuquerque | Audi R8 LMS | Flying Lizard Motorsports | 1:48.6750 | 189.7899 | 226 |
| 46th | 73 | Lindsey / Estre / De Phillippi / Hart / Vess | Porsche 991 GT America | Park Place Motorsports | 1:48.7270 | 189.6982 | 189 |
| 47th | 30 | Cisneros / Nielsen / Giermaziak / Makowiecki | Porsche 991 GT America | NGT Motorsport | 1:48.7380 | 189.6789 | 207 |
| 48th | 46 | Putman / Jarvis / Espenlaub / Walker | Audi R8 LMS | Fall-Line Motorsports | 1:48.7570 | 189.6467 | 183 |
| 49th | 27 | Dempsey / Davis / Foster | Porsche 991 GT America | Dempsey Racing | 1:48.8670 | 189.4552 | 205 |
| 50th | 70 | Tremblay / Long / Vautier | Mazda Prototype | SpeedSource | 1:48.8820 | 189.4278 | 53 |
| 51st | 72 | Zlobin / Salo / Rotenberg | Ferrari 458 Italia | SMP/ESM Racing | 1:48.8840 | 189.4246 | 180 |
| 52nd | 51 | Griffin / Rugolo / Cioci | Ferrari 458 Italia | Spirit of Race | 1:48.8880 | 189.4182 | 185 |
| 53rd | 44 | Potter / Lally / Wong / Eversley | Porsche 991 GT America | Magnus Racing | 1:48.8920 | 189.4117 | 197 |
| 54th | 33 | Keating / Bleekemolen / Bleekemolen / Collard | SRT Viper GT3-R | Riley Motorsports | 1:48.9440 | 189.3200 | 187 |
| 55th | 19 | Pobst / Bamber / Kvamme / Gewirtz / Imporatori | Porsche 991 GT America | Mühlner Motorsports America | 1:48.9890 | 189.2428 | 203 |
| 56th | 07 | Long / Miller / Hinchcliffe / Vautier / Carbonell | Mazda Prototype | SpeedSource | 1:49.0310 | 189.1703 | 67 |
| 57th | 009 | Carter / Block / Davison / Adam / Davis | Aston Martin V12 Vantage | TRG-AMR | 1:49.0440 | 189.1478 | 238 |
| 58th | 63 | Balzan / Westphal / Vilander / Casè | Ferrari 458 Italia | Scuderia Corsa | 1:49.0700 | 189.1028 | 210 |
| 59th | 49 | Perazzini / Ruberti / Roda | Ferrari 458 Italia | Spirit of Race | 1:49.0980 | 189.0529 | 209 |
| 60th | 94 | Farfus / Cameron / Palttala / Dalla Lana | BMW Z4 | Turner Motorsport | 1:49.2490 | 188.7921 | 171 |
| 61st | 007 | Block / Carter / Davison / Davis / Adam | Aston Martin V12 Vantage | TRG-AMR | 1:49.3540 | 188.6103 | 128 |
| 62nd | 64 | Randall / Farano / Wilden / Empringham | Ferrari 458 Italia | Scuderia Corsa | 1:49.6670 | 188.0728 | 197 |