| 1st | 10 | Renger van der Zande / Jordan Taylor / Ryan Hunter-Reay | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:36.0830 | 214.6511 |
| 2nd | 7 | Helio Castroneves / Ricky Taylor / Graham Rahal | Acura ARX-05 | Acura Team Penske | 1:36.0900 | 214.6350 |
| 3rd | 5 | Filipe Albuquerque / João Barbosa / Christian Fittipaldi | Cadillac DPi-V.R | Mustang Sampling Racing | 1:36.1940 | 214.4032 |
| 4th | 38 | Patricio O'Ward / James French / Kyle Masson / Joel Miller | Oreca 07 Gibson | Performance Tech Motorsports | 1:36.3180 | 214.1280 |
| 5th | 90 | Matthew McMurry / Edward Cheever / Tristan Vautier | Cadillac DPi-V.R | Spirit of Daytona Racing | 1:36.4720 | 213.7852 |
| 6th | 37 | Robin Frijns / Felix Rosenqvist / Lawrence Stroll / Daniel Juncadella | Oreca 07 Gibson | Jackie Chan DCR Jota | 1:36.4920 | 213.7418 |
| 7th | 31 | Felipe Nasr / Mike Conway / Stuart Middleton / Eric Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 1:36.5080 | 213.7064 |
| 8th | 54 | Colin Braun / Romain Dumas / Loic Duval / Jon Bennett | Oreca 07 Gibson | CORE autosport | 1:36.5670 | 213.5744 |
| 9th | 55 | Jonathan Bomarito / Harry Tincknell / Spencer Pigot | Mazda RT24-P | Mazda Team Joest | 1:36.6330 | 213.4296 |
| 10th | 6 | Dane Cameron / Juan Pablo Montoya / Simon Pagenaud | Acura ARX-05 | Acura Team Penske | 1:36.9310 | 212.7730 |
| 11th | 78 | Alex Brundle / Ho-Pin Tung / Antonio Felix da Costa / Ferdinand Habsburg | Oreca 07 Gibson | Jackie Chan DCR Jota | 1:36.9820 | 212.6619 |
| 12th | 85 | Simon Trummer / Devlin DeFrancesco / Austin Cindric / Robert Alon | Oreca 07 Gibson | JDC-Miller Motorsports | 1:37.0050 | 212.6104 |
| 13th | 23 | Fernando Alonso / Lando Norris / Phil Hanson | Ligier JS P217 Gibson | United Autosports | 1:37.0080 | 212.6040 |
| 14th | 99 | Stephen Simpson / Gustavo Menezes / Chris Miller / Misha Goikhberg | Oreca 07 Gibson | JDC-Miller Motorsports | 1:37.1240 | 212.3497 |
| 15th | 32 | Bruno Senna / Paul di Resta / Hugo de Sadeleer / William Owen | Ligier JS P217 Gibson | United Autosports | 1:38.1860 | 210.0532 |
| 16th | 52 | Gustavo Yacaman / Sebastian Saavedra / Roberto Gonzalez / Nicholas Boulle | Ligier JS P217 Gibson | AFS/PR1 Mathiasen Motorsports | 1:38.7730 | 208.8060 |
| 17th | 20 | Alex Popow / Eric Lux / Brendan Gaughan / Marc Drumwright | Riley Mk.30 Gibson | BAR1 Motorsports | 1:41.7780 | 202.6405 |
| 18th | 22 | Nicolas Lapierre / Pipo Derani / Johannes Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 1:46.1290 | 194.3331 |
| 19th | 77 | Oliver Jarvis / René Rast / Tristan Nunez | Mazda RT24-P | Mazda Team Joest | no time | |
| 20th | 2 | Ryan Dalziel / Olivier Pla / Scott Sharp | Nissan Onroak DPi | Tequila Patron ESM | no time | |
| 21st | 3 | Jan Magnussen / Mike Rockenfeller / Antonio Garcia | Chevrolet Corvette C7.R | Corvette Racing | 1:42.7790 | 200.6659 |
| 22nd | 66 | Joey Hand / Sébastien Bourdais / Dirk Müller | Ford GT | Ford Chip Ganassi Racing | 1:42.7980 | 200.6289 |
| 23rd | 912 | Laurens Vanthoor / Gianmaria Bruni / Earl Bamber | Porsche 991 RSR | Porsche GT Team | 1:42.9270 | 200.3778 |
| 24th | 911 | Patrick Pilet / Nick Tandy / Frédéric Makowiecki | Porsche 991 RSR | Porsche GT Team | 1:43.0620 | 200.1155 |
| 25th | 67 | Richard Westbrook / Ryan Briscoe / Scott Dixon | Ford GT | Ford Chip Ganassi Racing | 1:43.0910 | 200.0592 |
| 26th | 4 | Oliver Gavin / Tommy Milner / Marcel Fässler | Chevrolet Corvette C7.R | Corvette Racing | 1:43.4530 | 199.3591 |
| 27th | 62 | Toni Vilander / James Calado / Davide Rigon / Alessandro Pier Guidi | Ferrari 488 GTE | Risi Competizione | 1:43.6010 | 199.0742 |
| 28th | 25 | Alexander Sims / Philipp Eng / Connor De Phillippi / Bill Auberlen | BMW M8 GTLM | BMW Team RLL | 1:43.9480 | 198.4096 |
| 29th | 24 | Augusto Farfus / John Edwards / Nicky Catsburg / Jesse Krohn | BMW M8 GTLM | BMW Team RLL | 1:44.4130 | 197.5261 |
| 30th | 51 | Daniel Serra / Pedro Lamy / Mathias Lauda / Paul Dalla Lana | Ferrari 488 GT3 | Spirit of Race | 1:46.0490 | 194.4796 |
| 31st | 82 | Miguel Molina / Matt Griffin / Martin Fuentes / Ricardo Pérez de Lara / Santiago Creel | Ferrari 488 GT3 | Risi Competizione | 1:46.5020 | 193.6524 |
| 32nd | 15 | Jack Hawksworth / Dominik Farnbacher / Scott Pruett / David Heinemeier Hansson | Lexus RC F GT3 | 3GT Racing | 1:46.7140 | 193.2677 |
| 33rd | 63 | Alessandro Balzan / Gunnar Jeannette / Jeff Segal / Cooper MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 1:47.0550 | 192.6514 |
| 34th | 14 | Philipp Frommenwiler / Dominik Baumann / Kyle Marcelli / Bruno Junqueira | Lexus RC F GT3 | 3GT Racing | 1:47.1860 | 192.4164 |
| 35th | 86 | Alvaro Parente / Katherine Legge / A. J. Allmendinger / Trent Hindman | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:47.2510 | 192.2989 |
| 36th | 29 | Sheldon van der Linde / Kelvin van der Linde / Christopher Mies / Jeffrey Schmidt | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 1:47.2730 | 192.2603 |
| 37th | 58 | Robert Renauer / Mathieu Jaminet / Patrick Long / Christina Nielsen | Porsche 991 GT3 R | Wright Motorsports | 1:47.2910 | 192.2281 |
| 38th | 96 | Cameron Lawrence / Jens Klingmann / Martin Tomczyk / Don Yount / Mark Kvamme | BMW M6 GT3 | Turner Motorsport | 1:47.3480 | 192.1251 |
| 39th | 44 | Andy Lally / Andrew Davis / Markus Winkelhock / John Potter | Audi R8 LMS GT3 | Magnus Racing | 1:47.4420 | 191.9577 |
| 40th | 59 | Sven Müller / Matteo Cairoli / Hari Proczyk / Randy Walls / Steve Smith | Porsche 991 GT3 R | Manthey-Racing | 1:47.5870 | 191.6986 |
| 41st | 33 | Ben Keating / Luca Stolz / Jeroen Bleekemolen / Adam Christodoulou | Mercedes-AMG GT3 | Mercedes-AMG Team Riley Motorsports | 1:47.7960 | 191.3269 |
| 42nd | 64 | Sam Bird / Townsend Bell / Frankie Montecalvo / Bill Sweedler | Ferrari 488 GT3 | Scuderia Corsa | 1:47.8390 | 191.2512 |
| 43rd | 69 | Ryan Eversley / Sean Rayhall / Chad Gilsinger / John Falb | Acura NSX GT3 | HART | 1:47.8620 | 191.2094 |
| 44th | 48 | Bryce Miller / Bryan Sellers / Andrea Caldarelli / Madison Snow | Lamborghini Huracán GT3 | Paul Miller Racing | 1:48.1810 | 190.6461 |
| 45th | 93 | Côme Ledogar / Mario Farnbacher / Lawson Aschenbach / Justin Marks | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:48.2390 | 190.5447 |
| 46th | 75 | Kenny Habul / Thomas Jäger / Maro Engel / Mikael Grenier | Mercedes-AMG GT3 | SunEnergy1 Racing | 1:48.3260 | 190.3918 |
| 47th | 19 | Christoph Lenz / Christian Engelhart / Max van Splunteren / Ezequiel Pérez Companc / Louis Machiels | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:51.5310 | 184.9201 |
| 48th | 73 | Tim Pappas / Jörg Bergmeister / Norbert Siedler / Patrick Lindsey | Porsche 991 GT3 R | Park Place Motorsports | no time | |
| 49th | 71 | Juan Perez / Loris Spinelli / Kenton Koch / Robby Foley | Mercedes-AMG GT3 | P1 Motorsports | no time | |
| 50th | 11 | Mirko Bortolotti / Rik Breukers / Rolf Ineichen / Franck Perera | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:46.6580 | 193.3691 |