| 1st | 10 | van der Zande / Taylor / Hunter-Reay | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:36.0830 | 214.6511 | 9 |
| 2nd | 7 | Castroneves / Taylor / Rahal | Acura ARX-05 | Acura Team Penske | 1:36.0900 | 214.6350 | 8 |
| 3rd | 5 | Albuquerque / Barbosa / Fittipaldi | Cadillac DPi-V.R | Mustang Sampling Racing | 1:36.1940 | 214.4032 | 9 |
| 4th | 38 | O'Ward / French / Masson / Miller | Oreca 07 Gibson | Performance Tech Motorsports | 1:36.3180 | 214.1280 | 9 |
| 5th | 90 | McMurry / Cheever / Vautier | Cadillac DPi-V.R | Spirit of Daytona Racing | 1:36.4720 | 213.7852 | 8 |
| 6th | 37 | Frijns / Rosenqvist / Stroll / Juncadella | Oreca 07 Gibson | Jackie Chan DCR Jota | 1:36.4920 | 213.7418 | 9 |
| 7th | 31 | Nasr / Conway / Middleton / Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 1:36.5080 | 213.7064 | 7 |
| 8th | 54 | Braun / Dumas / Duval / Bennett | Oreca 07 Gibson | CORE autosport | 1:36.5670 | 213.5744 | 10 |
| 9th | 55 | Bomarito / Tincknell / Pigot | Mazda RT24-P | Mazda Team Joest | 1:36.6330 | 213.4296 | 9 |
| 10th | 6 | Cameron / Montoya / Pagenaud | Acura ARX-05 | Acura Team Penske | 1:36.9310 | 212.7730 | 9 |
| 11th | 78 | Brundle / Tung / Felix da Costa / Habsburg | Oreca 07 Gibson | Jackie Chan DCR Jota | 1:36.9820 | 212.6619 | 9 |
| 12th | 85 | Trummer / DeFrancesco / Cindric / Alon | Oreca 07 Gibson | JDC-Miller Motorsports | 1:37.0050 | 212.6104 | 9 |
| 13th | 23 | Alonso / Norris / Hanson | Ligier JS P217 Gibson | United Autosports | 1:37.0080 | 212.6040 | 9 |
| 14th | 99 | Simpson / Menezes / Miller / Goikhberg | Oreca 07 Gibson | JDC-Miller Motorsports | 1:37.1240 | 212.3497 | 9 |
| 15th | 32 | Senna / di Resta / de Sadeleer / Owen | Ligier JS P217 Gibson | United Autosports | 1:38.1860 | 210.0532 | 9 |
| 16th | 52 | Yacaman / Saavedra / Gonzalez / Boulle | Ligier JS P217 Gibson | AFS/PR1 Mathiasen Motorsports | 1:38.7730 | 208.8060 | 9 |
| 17th | 20 | Popow / Lux / Gaughan / Drumwright | Riley Mk.30 Gibson | BAR1 Motorsports | 1:41.7780 | 202.6405 | 8 |
| 18th | 3 | Magnussen / Rockenfeller / Garcia | Chevrolet Corvette C7.R | Corvette Racing | 1:42.7790 | 200.6659 | 8 |
| 19th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 1:42.7980 | 200.6289 | 6 |
| 20th | 912 | Vanthoor / Bruni / Bamber | Porsche 991 RSR | Porsche GT Team | 1:42.9270 | 200.3778 | 7 |
| 21st | 911 | Pilet / Tandy / Makowiecki | Porsche 991 RSR | Porsche GT Team | 1:43.0620 | 200.1155 | 6 |
| 22nd | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 1:43.0910 | 200.0592 | 7 |
| 23rd | 4 | Gavin / Milner / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 1:43.4530 | 199.3591 | 8 |
| 24th | 62 | Vilander / Calado / Rigon / Pier Guidi | Ferrari 488 GTE | Risi Competizione | 1:43.6010 | 199.0742 | 8 |
| 25th | 25 | Sims / Eng / De Phillippi / Auberlen | BMW M8 GTLM | BMW Team RLL | 1:43.9480 | 198.4096 | 9 |
| 26th | 24 | Farfus / Edwards / Catsburg / Krohn | BMW M8 GTLM | BMW Team RLL | 1:44.4130 | 197.5261 | 8 |
| 27th | 51 | Serra / Lamy / Lauda / Dalla Lana | Ferrari 488 GT3 | Spirit of Race | 1:46.0490 | 194.4796 | 8 |
| 28th | 22 | Lapierre / Derani / Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 1:46.1290 | 194.3331 | 2 |
| 29th | 82 | Molina / Griffin / Fuentes / Pérez de Lara / Creel | Ferrari 488 GT3 | Risi Competizione | 1:46.5020 | 193.6524 | 9 |
| 30th | 11 | Bortolotti / Breukers / Ineichen / Perera | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:46.6580 | 193.3691 | 8 |
| 31st | 15 | Hawksworth / Farnbacher / Pruett / Heinemeier Hansson | Lexus RC F GT3 | 3GT Racing | 1:46.7140 | 193.2677 | 6 |
| 32nd | 63 | Balzan / Jeannette / Segal / MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 1:47.0550 | 192.6514 | 10 |
| 33rd | 14 | Frommenwiler / Baumann / Marcelli / Junqueira | Lexus RC F GT3 | 3GT Racing | 1:47.1860 | 192.4164 | 8 |
| 34th | 86 | Parente / Legge / Allmendinger / Hindman | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:47.2510 | 192.2989 | 8 |
| 35th | 29 | van der Linde / van der Linde / Mies / Schmidt | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 1:47.2730 | 192.2603 | 9 |
| 36th | 58 | Renauer / Jaminet / Long / Nielsen | Porsche 991 GT3 R | Wright Motorsports | 1:47.2910 | 192.2281 | 8 |
| 37th | 96 | Lawrence / Klingmann / Tomczyk / Yount / Kvamme | BMW M6 GT3 | Turner Motorsport | 1:47.3480 | 192.1251 | 10 |
| 38th | 44 | Lally / Davis / Winkelhock / Potter | Audi R8 LMS GT3 | Magnus Racing | 1:47.4420 | 191.9577 | 8 |
| 39th | 59 | Müller / Cairoli / Proczyk / Walls / Smith | Porsche 991 GT3 R | Manthey-Racing | 1:47.5870 | 191.6986 | 8 |
| 40th | 33 | Keating / Stolz / Bleekemolen / Christodoulou | Mercedes-AMG GT3 | Mercedes-AMG Team Riley Motorsports | 1:47.7960 | 191.3269 | 8 |
| 41st | 64 | Bird / Bell / Montecalvo / Sweedler | Ferrari 488 GT3 | Scuderia Corsa | 1:47.8390 | 191.2512 | 8 |
| 42nd | 69 | Eversley / Rayhall / Gilsinger / Falb | Acura NSX GT3 | HART | 1:47.8620 | 191.2094 | 8 |
| 43rd | 48 | Miller / Sellers / Caldarelli / Snow | Lamborghini Huracán GT3 | Paul Miller Racing | 1:48.1810 | 190.6461 | 8 |
| 44th | 93 | Ledogar / Farnbacher / Aschenbach / Marks | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:48.2390 | 190.5447 | 8 |
| 45th | 75 | Habul / Jäger / Engel / Grenier | Mercedes-AMG GT3 | SunEnergy1 Racing | 1:48.3260 | 190.3918 | 8 |
| 46th | 19 | Lenz / Engelhart / van Splunteren / Pérez Companc / Machiels | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:51.5310 | 184.9201 | 8 |
| 19th | 77 | Jarvis / Rast / Nunez | Mazda RT24-P | Mazda Team Joest | no time | | 0 |
| 20th | 2 | Dalziel / Pla / Sharp | Nissan Onroak DPi | Tequila Patron ESM | no time | | 0 |
| 48th | 73 | Pappas / Bergmeister / Siedler / Lindsey | Porsche 991 GT3 R | Park Place Motorsports | no time | | 2 |
| 49th | 71 | Perez / Spinelli / Koch / Foley | Mercedes-AMG GT3 | P1 Motorsports | no time | | 0 |