| 1st | 31 | Nasr / Derani / Conway | Cadillac DPi-V.R | Whelen Engineering Racing | 1:45.3540 | 205.6250 |
| 2nd | 10 | Taylor / Albuquerque / Rossi | Acura ARX-05 | Konica Minolta Acura | 1:45.4640 | 205.4110 |
| 3rd | 01 | van der Zande / Magnussen / Dixon | Cadillac DPi-V.R | Cadillac Chip Ganassi Racing | 1:45.8490 | 204.6630 |
| 4th | 55 | Jarvis / Tincknell / Bomarito | Mazda RT24-P | Mazda Motorsports | 1:46.2530 | 203.8860 |
| 5th | 60 | Cameron / Pla / Montoya | Acura ARX-05 | Meyer Shank Racing w/ Curb-Agajanian | 1:46.3770 | 203.6480 |
| 6th | 5 | Vautier / Duval / Bourdais | Cadillac DPi-V.R | Mustang Sampling/JDC-Miller MotorSports | 1:46.5490 | 203.3200 |
| 7th | 48 | Johnson / Kobayashi / Pagenaud | Cadillac DPi-V.R | Ally Cadillac Racing | 1:47.6100 | 201.3150 |
| 8th | 11 | Thomas / Nunez / Merrill | Oreca 07 Gibson | WIN Autosport | 1:51.0250 | 195.1220 |
| 9th | 52 | Keating / Jensen / Huffaker | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:51.1480 | 194.9060 |
| 10th | 18 | Merriman / Tilley / Dalziel | Oreca 07 Gibson | Era Motorsport | 1:52.3880 | 192.7550 |
| 11th | 3 | Taylor / Catsburg / Garcia | Chevrolet Corvette C8.R | Corvette Racing | 1:54.9100 | 188.5250 |
| 12th | 4 | Tandy / Sims / Milner | Chevrolet Corvette C8.R | Corvette Racing | 1:54.9440 | 188.4700 |
| 13th | 25 | De Phillippi / Eng / Spengler | BMW M8 GTE | BMW Team RLL | 1:55.0620 | 188.2760 |
| 14th | 24 | Farfus / Edwards / Krohn | BMW M8 GTE | BMW Team RLL | 1:55.2810 | 187.9180 |
| 15th | 22 | McGuire / Boyd / Smith | Oreca 07 Gibson | United Autosports | 1:55.4000 | 187.6590 |
| 16th | 38 | Lindh / Goldburg / Llarena | Ligier JS P320 Nissan | Performance Tech Motorsports | 1:56.0010 | 186.7520 |
| 17th | 7 | McAleer / Askew / McCusker | Duqueine M30-D08 Nissan | Forty7 Motorsports | 1:56.0660 | 186.6470 |
| 18th | 79 | MacNeil / Jaminet / Campbell | Porsche 991 RSR 19 | WeatherTech Racing | 1:56.1190 | 186.5620 |
| 19th | 8 | Farano / Aubry / Buret | Oreca 07 Gibson | Tower Motorsport | 1:56.1420 | 186.5250 |
| 20th | 74 | Robinson / Pigot / Andrews | Ligier JS P320 Nissan | Riley Motorsports | 1:56.9740 | 185.1990 |
| 21st | 54 | Bennett / Kurtz / Braun | Ligier JS P320 Nissan | Core Motorsport | 1:58.1510 | 183.3540 |
| 22nd | 91 | Cox / Murry / Bleekemolen | Ligier JS P320 Nissan | Riley Motorsports | 1:58.5460 | 182.7420 |
| 23rd | 33 | Willsey / Barbosa / Clairay | Ligier JS P320 Nissan | Sean Creech Motorsport | 1:58.9910 | 182.0600 |
| 24th | 14 | Telitz / Hawksworth / Kirkwood | Lexus RC F GT3 | Vasser-Sullivan Racing | 1:59.2470 | 181.6690 |
| 25th | 9 | Robichon / Vanthoor / Kern | Porsche 991 GT3 R | Pfaff Motorsports | 1:59.6170 | 181.1060 |
| 26th | 19 | Simpson / Perera / Zimmermann | Lamborghini Huracán GT3 Evo | GRT Grasser Racing Team | 1:59.7110 | 180.9640 |
| 27th | 75 | Habul / Engel / Grenier | Mercedes-AMG GT3 Evo | SunEnergy1 Racing | 1:59.8480 | 180.7580 |
| 28th | 83 | Krütten / Bell / Sales | Duqueine M30-D08 Nissan | WIN Autosport | 1:59.9500 | 180.6040 |
| 29th | 12 | Veach / Megennis / Montecalvo | Lexus RC F GT3 | Vasser-Sullivan Racing | 1:59.9920 | 180.5410 |
| 30th | 16 | Long / Heylen / Hindman | Porsche 991 GT3 R | Wright Motorsports | 2:00.0070 | 180.5190 |
| 31st | 96 | Auberlen / Foley / Read | BMW M6 GT3 | Turner Motorsport | 2:00.1940 | 180.2370 |
| 32nd | 99 | Ferriol / Bamber / Estep | Porsche 991 GT3 R | Team Hardpoint EBM | 2:00.2230 | 180.1940 |
| 33rd | 23 | James / de Angelis / Gunn | Aston Martin Vantage AMR GT3 | Heart of Racing Team | 2:00.3070 | 180.0680 |
| 34th | 28 | Morad / de Quesada / Johnson | Mercedes-AMG GT3 Evo | Alegra Motorsports | 2:00.3280 | 180.0360 |
| 35th | 1 | Sellers / Snow / Lewis | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 2:00.6890 | 179.4980 |
| 36th | 88 | Nielsen / Legge / Figueiredo | Porsche 991 GT3 R | Team Hardpoint EBM | 2:00.8290 | 179.2890 |
| 37th | 44 | Potter / Lally / Pumpelly | Acura NSX GT3 | Magnus Racing with Archangel Motorsports | 2:01.1780 | 178.7740 |