| 1st | 31 | Felipe Nasr / Mike Conway / Pipo Derani | Cadillac DPi-V.R | Whelen Engineering Racing | 1:08.6780 | 214.2250 |
| 2nd | 55 | Oliver Jarvis / Harry Tincknell / Jonathan Bomarito | Mazda RT24-P | Mazda Motorsports | 1:08.6930 | 214.1790 |
| 3rd | 5 | Tristan Vautier / Loïc Duval / Sébastien Bourdais | Cadillac DPi-V.R | Mustang Sampling/JDC-Miller MotorSports | 1:08.8480 | 213.6960 |
| 4th | 01 | Renger van der Zande / Earl Bamber / Scott Dixon | Cadillac DPi-V.R | Cadillac Chip Ganassi Racing | 1:08.8790 | 213.6010 |
| 5th | 60 | Dane Cameron / Helio Castroneves / Juan Pablo Montoya | Acura ARX-05 | Meyer Shank Racing w/ Curb-Agajanian | 1:08.9200 | 213.4740 |
| 6th | 48 | Jimmie Johnson / Kamui Kobayashi / Simon Pagenaud | Cadillac DPi-V.R | Ally Cadillac Racing | 1:09.1650 | 212.7180 |
| 7th | 10 | Ricky Taylor / Filipe Albuquerque / Alexander Rossi | Acura ARX-05 | Konica Minolta Acura | 1:09.3280 | 212.2170 |
| 8th | 52 | Ben Keating / Mikkel Jensen / Scott Huffaker | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:12.2290 | 203.6950 |
| 9th | 11 | Steven Thomas / Tristan Nunez / Thomas Merrill | Oreca 07 Gibson | WIN Autosport | 1:12.5830 | 202.7000 |
| 10th | 18 | Dwight Merriman / Kyle Tilley / Ryan Dalziel | Oreca 07 Gibson | Era Motorsport | 1:13.0700 | 201.3490 |
| 11th | 8 | John Farano / Gabriel Aubry / James French | Oreca 07 Gibson | Tower Motorsport | 1:14.2890 | 198.0450 |
| 12th | 22 | James McGuire / Wayne Boyd / Guy Smith | Oreca 07 Gibson | United Autosports | 1:14.8140 | 196.6550 |
| 13th | 2 | Niklas Krütten / Tom Gamble / Andrew Meyrick | Ligier JS P320 Nissan | United Autosports USA | 1:15.6640 | 194.4460 |
| 14th | 38 | Dan Goldburg / Rasmus Lindh / Malthe Jakobsen | Ligier JS P320 Nissan | Performance Tech Motorsports | 1:15.7500 | 194.2260 |
| 15th | 36 | Jarett Andretti / Josh Burdon / Oliver Askew | Ligier JS P320 Nissan | Andretti Autosport | 1:17.1220 | 190.7710 |
| 16th | 91 | Jim Cox / Dylan Murry / Jeroen Bleekemolen | Ligier JS P320 Nissan | Riley Motorsports | 1:17.4030 | 190.0780 |
| 17th | 74 | Gar Robinson / Felipe Fraga / Scott Andrews | Ligier JS P320 Nissan | Riley Motorsports | 1:17.5350 | 189.7540 |
| 18th | 7 | Rodrigo Pflucker / Mark Kvamme / Stefan Rzadzinski | Duqueine M30-D08 Nissan | Forty7 Motorsports | 1:17.7930 | 189.1250 |
| 19th | 40 | Todd Archer / James Vance / Maxwell Hanratty | Duqueine M30-D08 Nissan | FastMD Racing | 1:18.1220 | 188.3530 |
| 20th | 30 | Ari Balogh / Garett Grist / Spencer Pigot | Ligier JS P320 Nissan | JR III Racing | 1:19.0710 | 186.0680 |
| 21st | 54 | Jon Bennett / George Kurtz / Colin Braun | Ligier JS P320 Nissan | Core Motorsport | | |
| 22nd | 83 | Matt Bell / Naveen Rao / Josh Skelton | Duqueine M30-D08 Nissan | WIN Autosport | | |
| 23rd | 24 | Augusto Farfus / John Edwards / Jesse Krohn | BMW M8 GTE | BMW Team RLL | 1:15.2260 | 195.5790 |
| 24th | 79 | Cooper MacNeil / Mathieu Jaminet / Matt Campbell | Porsche 991 RSR 19 | WeatherTech Racing | 1:15.7380 | 194.2560 |
| 25th | 3 | Jordan Taylor / Antonio Garcia / Nicky Catsburg | Chevrolet Corvette C8.R | Corvette Racing | 1:15.9300 | 193.7650 |
| 26th | 97 | Kevin Estre / Michael Christensen / Frédéric Makowiecki | Porsche 991 RSR 19 | WeatherTech Racing | 1:16.0040 | 193.5770 |
| 27th | 4 | Nick Tandy / Tommy Milner / Alexander Sims | Chevrolet Corvette C8.R | Corvette Racing | 1:16.0510 | 193.4570 |
| 28th | 14 | Aaron Telitz / Jack Hawksworth / Kyle Kirkwood | Lexus RC F GT3 | Vasser-Sullivan Racing | 1:18.8430 | 186.6070 |
| 29th | 1 | Bryan Sellers / Madison Snow / Corey Lewis | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 1:18.9320 | 186.3960 |
| 30th | 96 | Bill Auberlen / Robby Foley / Aidan Read | BMW M6 GT3 | Turner Motorsport | 1:18.9730 | 186.3000 |
| 31st | 12 | Zach Veach / Frankie Montecalvo / Robert Megennis | Lexus RC F GT3 | Vasser-Sullivan Racing | 1:19.1330 | 185.9230 |
| 32nd | 19 | Misha Goikhberg / Franck Perera / Michele Beretta | Lamborghini Huracán GT3 Evo | GRT Grasser Racing Team | 1:19.1880 | 185.7930 |
| 33rd | 9 | Zacharie Robichon / Laurens Vanthoor / Lars Kern | Porsche 991 GT3 R | Pfaff Motorsports | 1:19.1930 | 185.7820 |
| 34th | 42 | Don Yount / Jaden Conwright / Benjamin Hites | Audi R8 LMS GT3 | NTE Sport | 1:19.1970 | 185.7720 |
| 35th | 23 | Roman de Angelis / Ross Gunn / Ian James | Aston Martin Vantage AMR GT3 | Heart of Racing Team | 1:19.3400 | 185.4370 |
| 36th | 16 | Trent Hindman / Patrick Long / Jan Heylen | Porsche 991 GT3 R | Wright Motorsports | 1:19.4290 | 185.2300 |
| 37th | 44 | John Potter / Andy Lally / Spencer Pumpelly | Acura NSX GT3 | Magnus Racing with Archangel Motorsports | 1:19.7470 | 184.4910 |
| 38th | 57 | Russell Ward / Philip Ellis / Maro Engel | Mercedes-AMG GT3 Evo | Winward Racing | 1:19.7710 | 184.4350 |
| 39th | 88 | Robert Ferriol / Katherine Legge / Andrew Davis | Porsche 991 GT3 R | Team Hardpoint EBM | 1:19.8210 | 184.3210 |
| 40th | 28 | Daniel Morad / Michael de Quesada / Daniel Juncadella | Mercedes-AMG GT3 Evo | Alegra Motorsports | 1:20.0100 | 183.8850 |
| 41st | 70 | Brendan Iribe / Frederik Schandorff / Ben Barnicoat | McLaren 720S GT3 | Inception Racing | 1:21.2780 | 181.0160 |
| 42nd | 25 | Connor De Phillippi / Philipp Eng / Bruno Spengler | BMW M8 GTE | BMW Team RLL | 1:21.2990 | 180.9690 |
| 43rd | 32 | Mike Skeen / Guy Cosmo / Stevan McAleer | Mercedes-AMG GT3 Evo | Gilbert/Korthoff Motorsports | 1:33.1470 | 157.9510 |