| 1st | 31 | Felipe Nasr / Pipo Derani / Eric Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 1:08.4570 | 214.9633 |
| 2nd | 7 | Ricky Taylor / Helio Castroneves / Graham Rahal | Acura ARX-05 | Acura Team Penske | 1:08.5980 | 214.5207 |
| 3rd | 5 | Filipe Albuquerque / João Barbosa / Mike Conway | Cadillac DPi-V.R | Mustang Sampling Racing | 1:08.6290 | 214.4242 |
| 4th | 6 | Simon Pagenaud / Dane Cameron / Juan Pablo Montoya | Acura ARX-05 | Acura Team Penske | 1:08.8020 | 213.8850 |
| 5th | 77 | Timo Bernhard / Tristan Nunez / Oliver Jarvis | Mazda RT24-P | Mazda Team Joest | 1:08.8470 | 213.7450 |
| 6th | 55 | Harry Tincknell / Olivier Pla / Jonathan Bomarito | Mazda RT24-P | Mazda Team Joest | 1:09.2040 | 212.6426 |
| 7th | 84 | Simon Trummer / Stephen Simpson / Chris Miller | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:09.2430 | 212.5235 |
| 8th | 10 | Renger van der Zande / Jordan Taylor / Matthieu Vaxiviere | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R. | 1:09.2530 | 212.4930 |
| 9th | 50 | Spencer Pigot / René Binder / William Owen | Cadillac DPi-V.R | Juncos Racing | 1:09.5070 | 211.7156 |
| 10th | 85 | Misha Goikhberg / Juan Piedrahita / Tristan Vautier | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:09.6730 | 211.2119 |
| 11th | 54 | Jon Bennett / Colin Braun / Romain Dumas | Nissan Onroak DPi | CORE autosport | 1:11.5110 | 205.7836 |
| 12th | 38 | Kyle Masson / Cameron Cassels | Oreca 07 Gibson | Performance Tech Motorsports | 1:10.7220 | 208.0785 |
| 13th | 52 | Matthew McMurry / Gabriel Aubry / Dalton Kellett | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:10.8530 | 207.6939 |
| 14th | 62 | James Calado / Alessandro Pier Guidi / Daniel Serra | Ferrari 488 GTE | Risi Competizione | 1:15.6390 | 194.5520 |
| 15th | 24 | John Edwards / Philipp Eng / Jesse Krohn | BMW M8 GTE | BMW Team RLL | 1:15.7840 | 194.1802 |
| 16th | 912 | Laurens Vanthoor / Earl Bamber / Mathieu Jaminet | Porsche 991 RSR | Porsche GT Team | 1:15.8420 | 194.0322 |
| 17th | 66 | Joey Hand / Sébastien Bourdais / Dirk Müller | Ford GT | Ford Chip Ganassi Racing | 1:15.8560 | 193.9951 |
| 18th | 67 | Richard Westbrook / Ryan Briscoe / Scott Dixon | Ford GT | Ford Chip Ganassi Racing | 1:15.9670 | 193.7119 |
| 19th | 911 | Nick Tandy / Frédéric Makowiecki / Patrick Pilet | Porsche 991 RSR | Porsche GT Team | 1:16.0370 | 193.5333 |
| 20th | 4 | Oliver Gavin / Marcel Fässler / Tommy Milner | Chevrolet Corvette C7.R | Corvette Racing | 1:16.0480 | 193.5059 |
| 21st | 25 | Colton Herta / Tom Blomqvist / Connor De Phillippi | BMW M8 GTE | BMW Team RLL | 1:16.3270 | 192.7994 |
| 22nd | 3 | Antonio Garcia / Mike Rockenfeller / Jan Magnussen | Chevrolet Corvette C7.R | Corvette Racing | 1:15.7020 | 194.3911 |
| 23rd | 48 | Corey Lewis / Bryan Sellers / Marco Seefried | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 1:19.5300 | 185.0343 |
| 24th | 33 | Ben Keating / Felipe Fraga / Jeroen Bleekemolen | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 1:19.6650 | 184.7205 |
| 25th | 63 | Jeff Westphal / Toni Vilander / Cooper MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 1:19.7210 | 184.5901 |
| 26th | 86 | Justin Marks / Trent Hindman | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:19.8200 | 184.3616 |
| 27th | 57 | Christina Nielsen / Katherine Legge / Bia Figueiredo | Acura NSX GT3 | Heinricher Racing w/Meyer Shank Racing | 1:19.9520 | 184.0574 |
| 28th | 9 | Zacharie Robichon / Scott Hargrove / Lars Kern | Porsche 991 GT3 R | Pfaff Motorsports | 1:20.2000 | 183.4877 |
| 29th | 14 | Parker Chase / Richard Heistand / Jack Hawksworth | Lexus RC F GT3 | AIM Vasser Sullivan | 1:20.2600 | 183.3510 |
| 30th | 12 | Frankie Montecalvo / Townsend Bell / Aaron Telitz | Lexus RC F GT3 | AIM Vasser Sullivan | 1:20.3230 | 183.2077 |
| 31st | 44 | John Potter / Spencer Pumpelly / Andy Lally | Lamborghini Huracán GT3 Evo | Magnus Racing | 1:21.2340 | 181.1526 |
| 32nd | 96 | Robby Foley / Bill Auberlen / Dillon Machavern | BMW M6 GT3 | Turner Motorsport | no time | |
| 33rd | 29 | Ricardo Feller / Christopher Mies / Daniel Morad | Audi R8 LMS GT3 | Montaplast by Land Motorsport | no time | |
| 34th | 47 | Don Yount / Shinya Michimi / Brandon Gdovic | Lamborghini Huracán GT3 Evo | Precision Performance Motorsports (PPM) | no time | |