| 1st | 31 | Nasr / Conway / Derani | Cadillac DPi-V.R | Whelen Engineering Racing | 1:08.6780 | 214.2250 |
| 2nd | 55 | Jarvis / Tincknell / Bomarito | Mazda RT24-P | Mazda Motorsports | 1:08.6930 | 214.1790 |
| 3rd | 5 | Vautier / Duval / Bourdais | Cadillac DPi-V.R | Mustang Sampling/JDC-Miller MotorSports | 1:08.8480 | 213.6960 |
| 4th | 01 | van der Zande / Bamber / Dixon | Cadillac DPi-V.R | Cadillac Chip Ganassi Racing | 1:08.8790 | 213.6010 |
| 5th | 60 | Cameron / Castroneves / Montoya | Acura ARX-05 | Meyer Shank Racing w/ Curb-Agajanian | 1:08.9200 | 213.4740 |
| 6th | 48 | Johnson / Kobayashi / Pagenaud | Cadillac DPi-V.R | Ally Cadillac Racing | 1:09.1650 | 212.7180 |
| 7th | 10 | Taylor / Albuquerque / Rossi | Acura ARX-05 | Konica Minolta Acura | 1:09.3280 | 212.2170 |
| 8th | 52 | Keating / Jensen / Huffaker | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:12.2290 | 203.6950 |
| 9th | 11 | Thomas / Nunez / Merrill | Oreca 07 Gibson | WIN Autosport | 1:12.5830 | 202.7000 |
| 10th | 18 | Merriman / Tilley / Dalziel | Oreca 07 Gibson | Era Motorsport | 1:13.0700 | 201.3490 |
| 11th | 8 | Farano / Aubry / French | Oreca 07 Gibson | Tower Motorsport | 1:14.2890 | 198.0450 |
| 12th | 22 | McGuire / Boyd / Smith | Oreca 07 Gibson | United Autosports | 1:14.8140 | 196.6550 |
| 13th | 24 | Farfus / Edwards / Krohn | BMW M8 GTE | BMW Team RLL | 1:15.2260 | 195.5790 |
| 14th | 2 | Krütten / Gamble / Meyrick | Ligier JS P320 Nissan | United Autosports USA | 1:15.6640 | 194.4460 |
| 15th | 79 | MacNeil / Jaminet / Campbell | Porsche 991 RSR 19 | WeatherTech Racing | 1:15.7380 | 194.2560 |
| 16th | 38 | Goldburg / Lindh / Jakobsen | Ligier JS P320 Nissan | Performance Tech Motorsports | 1:15.7500 | 194.2260 |
| 17th | 3 | Taylor / Garcia / Catsburg | Chevrolet Corvette C8.R | Corvette Racing | 1:15.9300 | 193.7650 |
| 18th | 97 | Estre / Christensen / Makowiecki | Porsche 991 RSR 19 | WeatherTech Racing | 1:16.0040 | 193.5770 |
| 19th | 4 | Tandy / Milner / Sims | Chevrolet Corvette C8.R | Corvette Racing | 1:16.0510 | 193.4570 |
| 20th | 36 | Andretti / Burdon / Askew | Ligier JS P320 Nissan | Andretti Autosport | 1:17.1220 | 190.7710 |
| 21st | 91 | Cox / Murry / Bleekemolen | Ligier JS P320 Nissan | Riley Motorsports | 1:17.4030 | 190.0780 |
| 22nd | 74 | Robinson / Fraga / Andrews | Ligier JS P320 Nissan | Riley Motorsports | 1:17.5350 | 189.7540 |
| 23rd | 7 | Pflucker / Kvamme / Rzadzinski | Duqueine M30-D08 Nissan | Forty7 Motorsports | 1:17.7930 | 189.1250 |
| 24th | 40 | Archer / Vance / Hanratty | Duqueine M30-D08 Nissan | FastMD Racing | 1:18.1220 | 188.3530 |
| 25th | 14 | Telitz / Hawksworth / Kirkwood | Lexus RC F GT3 | Vasser-Sullivan Racing | 1:18.8430 | 186.6070 |
| 26th | 1 | Sellers / Snow / Lewis | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 1:18.9320 | 186.3960 |
| 27th | 96 | Auberlen / Foley / Read | BMW M6 GT3 | Turner Motorsport | 1:18.9730 | 186.3000 |
| 27th | 30 | Balogh / Grist / Pigot | Ligier JS P320 Nissan | JR III Racing | 1:19.0710 | 186.0680 |
| 29th | 12 | Veach / Montecalvo / Megennis | Lexus RC F GT3 | Vasser-Sullivan Racing | 1:19.1330 | 185.9230 |
| 30th | 19 | Goikhberg / Perera / Beretta | Lamborghini Huracán GT3 Evo | GRT Grasser Racing Team | 1:19.1880 | 185.7930 |
| 31st | 9 | Robichon / Vanthoor / Kern | Porsche 991 GT3 R | Pfaff Motorsports | 1:19.1930 | 185.7820 |
| 32nd | 42 | Yount / Conwright / Hites | Audi R8 LMS GT3 | NTE Sport | 1:19.1970 | 185.7720 |
| 33rd | 23 | de Angelis / Gunn / James | Aston Martin Vantage AMR GT3 | Heart of Racing Team | 1:19.3400 | 185.4370 |
| 34th | 16 | Hindman / Long / Heylen | Porsche 991 GT3 R | Wright Motorsports | 1:19.4290 | 185.2300 |
| 35th | 44 | Potter / Lally / Pumpelly | Acura NSX GT3 | Magnus Racing with Archangel Motorsports | 1:19.7470 | 184.4910 |
| 36th | 57 | Ward / Ellis / Engel | Mercedes-AMG GT3 Evo | Winward Racing | 1:19.7710 | 184.4350 |
| 37th | 88 | Ferriol / Legge / Davis | Porsche 991 GT3 R | Team Hardpoint EBM | 1:19.8210 | 184.3210 |
| 38th | 28 | Morad / de Quesada / Juncadella | Mercedes-AMG GT3 Evo | Alegra Motorsports | 1:20.0100 | 183.8850 |
| 39th | 70 | Iribe / Schandorff / Barnicoat | McLaren 720S GT3 | Inception Racing | 1:21.2780 | 181.0160 |
| 40th | 25 | De Phillippi / Eng / Spengler | BMW M8 GTE | BMW Team RLL | 1:21.2990 | 180.9690 |
| 41st | 32 | Skeen / Cosmo / McAleer | Mercedes-AMG GT3 Evo | Gilbert/Korthoff Motorsports | 1:33.1470 | 157.9510 |
| 21st | 54 | Bennett / Kurtz / Braun | Ligier JS P320 Nissan | Core Motorsport | | |
| 22nd | 83 | Bell / Rao / Skelton | Duqueine M30-D08 Nissan | WIN Autosport | | |