| 1st | 77 | Jarvis / Bernhard / Nunez | Mazda RT24-P | Mazda Team Joest | 1:29.639 | 1:29.6390 | 1:29.7210 | 1:31.4380 | 1:31.5330 | 1:43.2790 |
| 2nd | 55 | Tincknell / Pla / Bomarito | Mazda RT24-P | Mazda Team Joest | 1:29.657 | 1:29.9830 | 1:29.6570 | 1:30.9430 | 1:30.6900 | 1:47.1260 |
| 3rd | 6 | Montoya / Cameron | Acura ARX-05 | Acura Team Penske | 1:29.862 | 1:29.8620 | 1:31.3990 | 1:31.8860 | 1:30.0140 | 1:49.5060 |
| 4th | 7 | Taylor / Castroneves | Acura ARX-05 | Acura Team Penske | 1:29.928 | 1:29.9280 | 1:30.6970 | 1:31.7790 | 1:30.8020 | 1:52.2900 |
| 5th | 10 | van der Zande / Taylor | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R. | 1:30.758 | 1:30.7580 | 1:30.9050 | 1:33.3870 | 1:31.3020 | 1:46.9090 |
| 6th | 5 | Albuquerque / Conway / Barbosa | Cadillac DPi-V.R | Mustang Sampling Racing | 1:30.867 | 1:31.1700 | 1:30.8670 | 1:32.6740 | 1:31.8710 | 1:50.8700 |
| 7th | 54 | Bennett / Braun / Dumas | Nissan Onroak DPi | CORE autosport | 1:30.970 | 1:33.4660 | 1:31.0240 | 1:30.9700 | 1:31.3340 | |
| 8th | 31 | Nasr / Derani / Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 1:31.177 | 1:31.1770 | 1:31.5580 | 1:32.7880 | 1:31.6770 | 1:58.9430 |
| 9th | 52 | Aubry / McMurry / Lux | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:31.735 | 1:31.7350 | 1:33.0420 | 1:39.4030 | 1:34.3730 | |
| 10th | 85 | Goikhberg / Piedrahita / Vautier | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:31.759 | 1:32.3160 | 1:31.7590 | 1:33.3440 | 1:32.9040 | 1:48.4210 |
| 11th | 84 | Trummer / Miller / Simpson | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:32.072 | 1:32.4090 | 1:32.0720 | 1:38.3750 | 1:32.9750 | 1:47.8150 |
| 12th | 38 | Masson / Cassels / Evans | Oreca 07 Gibson | Performance Tech Motorsports | 1:32.459 | 1:32.4590 | 1:34.0070 | 1:41.5430 | 1:34.8460 | |
| 13th | 50 | Binder / Owen | Cadillac DPi-V.R | Juncos Racing | 1:32.628 | 1:33.1340 | 1:32.6280 | 1:34.4530 | 1:33.0460 | 1:46.7380 |
| 14th | 3 | Garcia / Magnussen | Chevrolet Corvette C7.R | Corvette Racing | 1:40.799 | 1:40.7990 | 1:41.5630 | 1:42.2920 | 1:42.5590 | 1:55.3620 |
| 15th | 67 | Westbrook / Briscoe | Ford GT | Ford Chip Ganassi Racing | 1:41.116 | 1:41.1160 | 1:41.9260 | 1:42.6880 | 1:42.3210 | 1:55.0240 |
| 16th | 4 | Milner / *Gavin | Chevrolet Corvette C7.R | Corvette Racing | 1:41.291 | 1:41.2910 | | 1:42.2950 | 1:42.8310 | 1:55.1840 |
| 17th | 24 | Edwards / Krohn | BMW M8 GTE | BMW Team RLL | 1:41.301 | 1:41.3010 | 1:42.0060 | 1:42.6560 | 1:43.0060 | 1:54.8420 |
| 18th | 66 | Hand / Müller | Ford GT | Ford Chip Ganassi Racing | 1:41.304 | 1:41.3040 | 1:41.9200 | 1:43.4820 | 1:42.6430 | 1:57.8950 |
| 19th | 25 | De Phillippi / Blomqvist | BMW M8 GTE | BMW Team RLL | 1:41.414 | 1:41.4140 | 1:42.3290 | 1:41.7320 | 1:43.0040 | 1:55.4310 |
| 20th | 911 | Tandy / Pilet | Porsche 991 RSR | Porsche GT Team | 1:41.545 | 1:41.5450 | 1:41.9610 | 1:42.7380 | 1:42.9540 | 1:54.9150 |
| 21st | 912 | Vanthoor / Bamber | Porsche 991 RSR | Porsche GT Team | 1:42.206 | 1:42.2060 | 1:42.3290 | 1:43.0800 | 1:42.7080 | 1:54.2800 |
| 22nd | 86 | Hindman / Farnbacher / Marks | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:44.910 | 1:44.9780 | 1:44.9100 | no time | 1:46.1550 | 2:00.4280 |
| 23rd | 96 | Machavern / Auberlen / Foley | BMW M6 GT3 | Turner Motorsport | 1:44.933 | 1:45.5060 | 1:45.0440 | 1:44.9330 | 1:45.6520 | 2:04.0200 |
| 24th | 57 | Nielsen / Legge / Figueiredo | Acura NSX GT3 | Heinricher Racing w/Meyer Shank Racing | 1:45.191 | 1:45.2950 | 1:45.1910 | 1:47.1360 | 1:47.1770 | 2:05.9730 |
| 25th | 14 | Heistand / Hawksworth / Frommenwiler | Lexus RC F GT3 | AIM Vasser Sullivan | 1:45.224 | 1:46.0660 | 1:45.2240 | 1:45.9010 | 1:46.1130 | 1:57.4450 |
| 26th | 63 | Westphal / Vilander / MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 1:45.247 | 1:45.5950 | 1:45.5030 | 1:45.2470 | 1:46.8100 | 2:06.1060 |
| 27th | 9 | Robichon / Hargrove / Kern | Porsche 991 GT3 R | Pfaff Motorsports | 1:45.253 | 1:45.8420 | 1:45.2530 | 1:46.7980 | 1:45.9510 | 1:59.1070 |
| 28th | 48 | Hardwick / Lewis / *Sellers | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 1:45.384 | 1:46.6200 | 1:46.1100 | 1:45.3840 | 1:45.8270 | 1:59.0020 |
| 29th | 44 | Potter / Lally / Pumpelly | Lamborghini Huracán GT3 Evo | Magnus Racing | 1:45.406 | 1:47.0410 | 1:45.7570 | 1:47.9910 | 1:45.4060 | 2:04.0100 |
| 30th | 12 | Montecalvo / Telitz / Bell | Lexus RC F GT3 | AIM Vasser Sullivan | 1:45.519 | no time | 1:45.5190 | 1:46.9690 | 1:46.6750 | 1:57.9900 |
| 31st | 29 | Feller / Mies / Morad | Audi R8 LMS GT3 | Montaplast by Land Motorsport | 1:45.597 | 1:45.5970 | 1:45.6010 | 1:46.4940 | 1:46.1170 | 1:58.7290 |
| 32nd | 540 | Seefried / Werner / Miller | Porsche 991 GT3 R | Black Swan Racing | 1:45.696 | 1:46.1000 | 1:45.8630 | 1:47.3170 | 1:45.6960 | 1:59.3600 |
| 33rd | 33 | Keating / *Fraga / *Bleekemolen | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 1:45.961 | 1:45.9610 | | 1:47.6630 | 1:46.1900 | |
| 34th | 47 | Gdovic / Eidson / Yount | Lamborghini Huracán GT3 Evo | Precision Performance Motorsports (PPM) | 1:46.388 | 1:46.3880 | 1:46.5530 | 1:49.2970 | 1:47.6940 | 2:05.9570 |
| 35th | 19 | Hardeman / Riberas / Davis | Audi R8 LMS GT3 | Moorespeed | 1:46.439 | | | | 1:46.4390 | |
| 36th | 73 | Boulle / Lindsey / *Long | Porsche 991 GT3 R | Park Place Motorsports | 1:46.527 | 1:48.9230 | 1:46.8130 | 1:46.7980 | 1:46.5270 | 2:01.0440 |
| 37th | 8 | Chase / Dalziel / Skeen | Audi R8 LMS GT3 | Starworks Motorsport | 1:46.711 | 1:48.0410 | 1:46.7110 | 1:47.8570 | 1:47.8920 | 1:57.7190 |