| 1st | 2 | Sharp / Brown / Van Overbeek / Derani | Ligier JS P2 Honda HPD | Tequila Patrón ESM | 1 | 1:39.249 | 207.8150 | 1st | P |
| 2nd | 60 | Pew / Negri / Allmendinger / Pla | Ligier JS P2 Honda HPD | Michael Shank Racing W/Curb-Agajanian | 1 | 1:39.438 | 207.4190 | 2nd | P |
| 3rd | 70 | Miller / Long / Devlin | Mazda Prototype | Mazda Motorsports | 1 | 1:39.828 | 206.6090 | 3rd | P |
| 4th | 37 | Minassian / Mediani / Aleshin / Ladygin | BR 01 Nissan | SMP Racing | 1 | 1:39.899 | 206.4630 | 4th | P |
| 5th | 55 | Bomarito / Nunez / Pigot | Mazda Prototype | Mazda Motorsports | 1 | 1:39.934 | 206.3900 | 5th | P |
| 6th | 0 | Meyrick / Legge / Rayhall / Wirth | DeltaWing DWC13 Elan | Panoz DeltaWing Racing | 1 | 1:39.955 | 206.3470 | 6th | P |
| 7th | 10 | Taylor / Taylor / Angelelli | Chevrolet Corvette DP | No. 10 Konica Minolta Corvette DP for Wayne Taylor Racing | 1 | 1:39.973 | 206.3100 | 7th | P |
| 8th | 5 | Fittipaldi / Barbosa / Albuquerque / Pruett | Chevrolet Corvette DP | Action Express Racing | 1 | 1:39.995 | 206.2630 | 8th | P |
| 9th | 31 | Curran / Cameron / Pagenaud / Adam | Chevrolet Corvette DP | Action Express Racing | 1 | 1:40.011 | 206.2310 | 9th | P |
| 10th | 02 | Dixon / Kanaan / McMurray / Larson | Riley Mk XXVI Ford | Ford Chip Ganassi Racing | 1 | 1:40.244 | 205.7510 | 10th | P |
| 11th | 90 | Dalziel / Goossens / Hunter-Reay | Chevrolet Corvette DP | VisitFlorida Racing | 1 | 1:40.418 | 205.3960 | 11th | P |
| 12th | 01 | Stroll / Wurz / Hartley / Priaulx | Riley DP Ford | Ford Chip Ganassi Racing | 1 | 1:40.665 | 204.8900 | 12th | P |
| 13th | 8 | van der Zande / Popow / Cumming / Hawksworth | Oreca FLM 09 Chevrolet | Starworks Motorsport | 1 | 1:42.118 | 201.9760 | 1st | PC |
| 14th | 54 | Bennett / Braun / Wilkins / Plowman | Oreca FLM 09 Chevrolet | Core Autosport | 1 | 1:42.423 | 201.3740 | 2nd | PC |
| 15th | 88 | Kvamme / Johnston / Engel / Rosenqvist | Oreca FLM 09 Chevrolet | Starworks Motorsport | 1 | 1:42.458 | 201.3050 | 3rd | PC |
| 16th | 20 | Drumwright / Mowlem / Alder / Auer | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1 | 1:42.658 | 200.9140 | 4th | PC |
| 17th | 52 | Alon / Kimber-Smith / Gutierrez / Boulle | Oreca FLM 09 Chevrolet | PR1/Mathiasen Motorsports | 1 | 1:42.986 | 200.2730 | 5th | PC |
| 18th | 50 | Defoor / Schroeder / Hinton / Grüber / Pace | Riley DP BMW | Highway to Help | 1 | 1:43.330 | 199.6070 | 13th | P |
| 19th | 85 | Miller / Goikhberg / Koch / Simpson | Oreca FLM 09 Chevrolet | JDC-Miller Motorsports | 1 | 1:43.491 | 199.2960 | 6th | PC |
| 20th | 26 | Merzon / Eversley / Yount / Yacaman | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1 | 1:44.078 | 198.1710 | 7th | PC |
| 21st | 38 | French / Norman / Norman / Gdovic | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 1 | 1:44.848 | 196.7170 | 8th | PC |
| 22nd | 100 | Luhr / Edwards / Wittmer / Rahal | BMW M6 GTLM | BMW Team RLL | 1 | 1:45.088 | 196.2680 | 1st | GTLM |
| 23rd | 4 | Gavin / Fässler / Milner | Chevrolet Corvette C7.R | Corvette Racing | 1 | 1:45.106 | 196.2340 | 2nd | GTLM |
| 24th | 25 | Farfus / Auberlen / Werner / Spengler | BMW M6 GTLM | BMW Team RLL | 1 | 1:45.120 | 196.2080 | 3rd | GTLM |
| 25th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1 | 1:45.124 | 196.2000 | 4th | GTLM |
| 26th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 1 | 1:45.248 | 195.9700 | 5th | GTLM |
| 27th | 68 | Pier Guidi / Prémat / Serra / Rojas | Ferrari 488 GTE | Scuderia Corsa | 1 | 1:45.266 | 195.9360 | 6th | GTLM |
| 28th | 67 | Briscoe / Westbrook / Mücke | Ford GT | Ford Chip Ganassi Racing | 1 | 1:45.269 | 195.9300 | 7th | GTLM |
| 29th | 72 | Bertolini / Shaytar / Bruni / Calado | Ferrari 488 GTE | SMP Racing | 1 | 1:45.314 | 195.8460 | 8th | GTLM |
| 30th | 911 | Pilet / Tandy / Estre | Porsche 991 RSR | Porsche North America | 1 | 1:45.524 | 195.4560 | 9th | GTLM |
| 31st | 912 | Bamber / Makowiecki / Christensen | Porsche 991 RSR | Porsche North America | 1 | 1:45.543 | 195.4210 | 10th | GTLM |
| 32nd | 22 | MacNeil / MacNeil / Keen / Van Gisbergen / Jeannette | Porsche 991 GT3 R | Alex Job Racing | 1 | 1:47.852 | 191.2380 | 1st | GTD |
| 33rd | 48 | Bortolotti / Miller / Sellers / Snow | Lamborghini Huracán GT3 | Paul Miller Racing | 1 | 1:47.881 | 191.1870 | 2nd | GTD |
| 34th | 6 | Davis / Liddell / Aschenbach / Bell | Audi R8 LMS GT3 | Stevenson Motorsports | 1 | 1:47.949 | 191.0660 | 3rd | GTD |
| 35th | 93 | Keating / Robinson / Mosing / Foss / Faulkner | Dodge Viper GT3-R | Riley Motorsports | 1 | 1:47.960 | 191.0470 | 4th | GTD |
| 36th | 30 | Stippler / Abbelen / Huisman / De Phillippi / Müller | Porsche 991 GT3 R | Frikadelli Racing | 1 | 1:47.963 | 191.0400 | 5th | GTD |
| 37th | 33 | Keating / Bleekemolen / Farnbacher / Miller | Dodge Viper GT3-R | Riley Motorsports | 1 | 1:48.000 | 190.9760 | 6th | GTD |
| 38th | 44 | Potter / Lally / Seefried / Rast | Audi R8 LMS GT3 | Magnus Racing | 1 | 1:48.070 | 190.8520 | 7th | GTD |
| 39th | 23 | James / Riberas / Farnbacher / Henzler | Porsche 991 GT3 R | Team Seattle / Alex Job Racing | 1 | 1:48.119 | 190.7650 | 8th | GTD |
| 40th | 73 | McMurry / Lindsey / Bergmeister | Porsche 991 GT3 R | Park Place Motorsports | 1 | 1:48.186 | 190.6480 | 9th | GTD |
| 41st | 96 | Curtis / Freiberg / Klingmann / Wittmann | BMW M6 GT3 | Turner Motorsport | 1 | 1:48.207 | 190.6110 | 10th | GTD |
| 42nd | 11 | Bell / Sweedler / Piscopo / Antinucci | Lamborghini Huracán GT3 | O'Gara Motorsport | 1 | 1:48.253 | 190.5290 | 11th | GTD |
| 43rd | 63 | Nielsen / Balzan / Segal / Renauer | Ferrari 458 GT3 | Scuderia Corsa | 1 | 1:48.266 | 190.5060 | 12th | GTD |
| 44th | 540 | Pappas / Pilgrim / Catsburg / Long | Porsche 991 GT3 R | Black Swan Racing | 1 | 1:48.281 | 190.4800 | 13th | GTD |
| 45th | 97 | Marsal / Krohn / Palttala / Martin | BMW M6 GT3 | Turner Motorsport | 1 | 1:48.307 | 190.4340 | 14th | GTD |
| 46th | 28 | Ineichen / Willsey / Konrad / Babini / Basseng | Lamborghini Huracán GT3 | Konrad Motorsport | 1 | 1:48.309 | 190.4310 | 15th | GTD |
| 47th | 9 | Said / Habul / von Moltke / Vautier | Audi R8 LMS GT3 | Stevenson Motorsports | 1 | 1:48.321 | 190.4100 | 16th | GTD |
| 48th | 51 | Mann / Giammaria / Cressoni / Cioci | Ferrari 458 | Spirit of Race | 1 | 1:48.335 | 190.3850 | 17th | GTD |
| 49th | 16 | Pumpelly / Lewis / Marks / Grala / Cindric | Lamborghini Huracán GT3 | Change Racing | 1 | 1:48.559 | 189.9930 | 18th | GTD |
| 50th | 45 | Kaffer / Jönsson / Haase / Krohn | Audi R8 | Flying Lizard Motorsports | 1 | 1:48.871 | 189.4470 | 19th | GTD |
| 51st | 98 | Dalla Lana / Lamy / Lauda / Stanaway | Aston Martin Vantage GT3 | Aston Martin Racing | 1 | 1:48.911 | 189.3780 | 20th | GTD |
| 52nd | 007 | Creel / Pérez / Pérez de Lara / Pérez / Viljoen | Aston Martin V12 Vantage GT3 | TRG-AMR | 1 | 1:49.175 | 188.9210 | 21st | GTD |
| 53rd | 21 | Busnelli / Michaelian / Grala | Lamborghini Huracán GT3 | Konrad Motorsport | 1 | 1:51.157 | 185.5510 | 22nd | GTD |