| 1st | 77 | Jarvis / Rast / Bernhard / Nunez | Mazda RT24-P | Mazda Team Joest | 1:33.3980 | 220.8213 | 173 | 1:34.6160 | 1:33.3980 |
| 2nd | 55 | Tincknell / Bomarito / Pla | Mazda RT24-P | Mazda Team Joest | 1:33.4230 | 220.7634 | 176 | 1:34.2240 | 1:33.4230 |
| 3rd | 7 | Taylor / Rossi / Castroneves | Acura ARX-05 | Acura Team Penske | 1:34.2610 | 218.8000 | 154 | 1:35.0170 | 1:34.2610 |
| 4th | 5 | Albuquerque / Barbosa / Conway / Fittipaldi | Cadillac DPi-V.R | Mustang Sampling Racing | 1:34.2820 | 218.7517 | 183 | 1:34.8850 | 1:34.2820 |
| 5th | 31 | Nasr / Curran / Derani | Cadillac DPi-V.R | Whelen Engineering Racing | 1:34.3680 | 218.5521 | 173 | 1:34.8210 | 1:34.3680 |
| 6th | 10 | van der Zande / Taylor / Alonso / Kobayashi | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R. | 1:34.4310 | 218.4057 | 165 | 1:34.5340 | 1:34.4310 |
| 7th | 6 | Montoya / Cameron / Pagenaud | Acura ARX-05 | Acura Team Penske | 1:34.4310 | 218.4057 | 148 | 1:34.9890 | 1:34.4310 |
| 8th | 50 | Canapino / Kaiser / Owen / Binder | Cadillac DPi-V.R | Juncos Racing | 1:34.7960 | 217.5656 | 183 | 1:35.5540 | 1:34.7960 |
| 9th | 54 | Dumas / Duval / Braun / Bennett | Nissan Onroak DPi | CORE autosport | 1:34.9350 | 217.2469 | 162 | 1:34.9350 | 1:36.2530 |
| 10th | 85 | DeFrancesco / Barrichello / Vautier / Goikhberg | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:34.9350 | 217.2469 | 162 | 1:35.4920 | 1:34.9350 |
| 11th | 84 | Trummer / Simpson / Miller / Piedrahita | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:35.0660 | 216.9476 | 158 | 1:35.3040 | 1:35.0660 |
| 12th | 52 | Aubry / McMurry / Kvamme | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:35.9300 | 214.9939 | 193 | 1:36.1650 | 1:35.9300 |
| 13th | 81 | Hanley / Lapierre / Allen / Hedman | Oreca 07 Gibson | DragonSpeed | 1:35.9750 | 214.8925 | 160 | 1:35.9750 | 1:36.3040 |
| 14th | 18 | Maldonado / Gonzalez / Cullen / Saavedra | Oreca 07 Gibson | DragonSpeed | 1:36.7890 | 213.0852 | 123 | 1:36.7890 | 1:37.2320 |
| 15th | 38 | Masson / Wright / Masson / Cassels | Oreca 07 Gibson | Performance Tech Motorsports | 1:37.4280 | 211.6883 | 140 | 1:38.3210 | 1:37.4280 |
| 16th | 3 | Magnussen / Garcia / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1:42.6510 | 200.9169 | 192 | 1:43.5060 | 1:42.6510 |
| 17th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 1:42.7790 | 200.6659 | 153 | 1:43.0830 | 1:42.7790 |
| 18th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 1:42.8980 | 200.4341 | 134 | 1:43.4310 | 1:42.8980 |
| 19th | 912 | Bamber / Jaminet | Porsche 991 RSR | Porsche GT Team | 1:42.9190 | 200.3939 | 194 | 1:43.5240 | 1:42.9190 |
| 20th | 911 | Tandy / Pilet / Makowiecki | Porsche 991 RSR | Porsche GT Team | 1:43.0510 | 200.1364 | 176 | 1:43.2230 | 1:43.0510 |
| 21st | 62 | Rigon / Molina | Ferrari 488 GTE | Risi Competizione | 1:43.0940 | 200.0527 | 158 | 1:43.6470 | 1:43.0940 |
| 22nd | 24 | Edwards / Krohn / Mostert / Zanardi | BMW M8 GTE | BMW Team RLL | 1:43.1100 | 200.0222 | 190 | 1:43.6650 | 1:43.1100 |
| 23rd | 4 | Gavin / Fässler / Milner | Chevrolet Corvette C7.R | Corvette Racing | 1:43.1930 | 199.8612 | 149 | 1:43.8160 | 1:43.1930 |
| 24th | 25 | De Phillippi / Eng / Herta / Blomqvist | BMW M8 GTE | BMW Team RLL | 1:43.2910 | 199.6713 | 178 | 1:43.7620 | 1:43.2910 |
| 25th | 86 | Hindman / Allmendinger / Farnbacher / Marks | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:45.5330 | 195.4307 | 57 | 1:45.5330 | 1:45.6570 |
| 26th | 57 | Beatriz / Legge / Nielsen / de Silvestro / *Heinricher | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:45.5370 | 195.4226 | 111 | 1:46.0170 | 1:45.5370 |
| 27th | 12 | Montecalvo / Bell / Telitz / Segal | Lexus RC F GT3 | AIM Vasser Sullivan | 1:45.5870 | 195.3293 | 146 | 1:46.3970 | 1:45.5870 |
| 28th | 33 | Keating / Bleekemolen / Fraga / Stolz | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 1:45.6620 | 195.1909 | 98 | 1:46.4400 | 1:45.6620 |
| 29th | 63 | Westphal / MacNeil / Vilander / Farnbacher | Ferrari 488 GT3 | Scuderia Corsa | 1:45.7530 | 195.0235 | 123 | 1:46.1470 | 1:45.7530 |
| 30th | 29 | Morad / Vanthoor / Feller | Audi R8 LMS GT3 | Montaplast by Land Motorsport | 1:45.8190 | 194.9012 | 100 | 1:46.6080 | 1:45.8190 |
| 31st | 13 | Franzoni / Gomes / Longo | Ferrari 488 GT3 | Via Italia Racing | 1:45.8420 | 194.8594 | 117 | 1:45.8420 | 1:45.9030 |
| 32nd | 540 | Seefried / Cairoli / Pappas / *Werner | Porsche 991 GT3 R | Black Swan Racing | 1:45.9020 | 194.7483 | 112 | 1:45.9190 | 1:45.9020 |
| 33rd | 51 | Serra / Lamy / Lauda / Dalla Lana | Ferrari 488 GT3 | Spirit of Race | 1:45.9540 | 194.6534 | 129 | 1:45.9540 | 1:48.8450 |
| 34th | 14 | Heistand / Hawksworth / Cassidy / Cindric | Lexus RC F GT3 | AIM Vasser Sullivan | 1:45.9890 | 194.5890 | 139 | 1:46.2150 | 1:45.9890 |
| 35th | 71 | Buhk / Schiller / Baumann / Perez | Mercedes-AMG GT3 | P1 Motorsports | 1:46.0080 | 194.5536 | 137 | 1:46.0080 | |
| 36th | 46 | Keen / Busnelli / Babini | Lamborghini Huracán GT3 Evo | Ebimotors srl | 1:46.0810 | 194.4200 | 113 | 1:46.0810 | 1:46.7680 |
| 37th | 19 | Davis / Riberas / Hardeman / *Winkelhock | Audi R8 LMS GT3 | Moorespeed | 1:46.1700 | 194.2575 | 93 | 1:46.4760 | 1:46.1700 |
| 38th | 8 | Pérez Companc / Chase / Haase / Dalziel | Audi R8 LMS GT3 | Starworks Motorsport | 1:46.1890 | 194.2221 | 111 | 1:46.5600 | 1:46.1890 |
| 39th | 9 | Kern / Robichon / Olsen / Hargrove | Porsche 991 GT3 R | Pfaff Motorsports | 1:46.2940 | 194.0306 | 129 | 1:46.2940 | 1:46.5050 |
| 40th | 99 | Müller / Bachler / Renauer / Görig / Häring | Porsche 991 GT3 R | NGT Motorsport | 1:46.3120 | 193.9984 | 117 | 1:46.3120 | 1:49.4080 |
| 41st | 73 | Long / Lindsey / Campbell / Boulle | Porsche 991 GT3 R | Park Place Motorsports | 1:46.3190 | 193.9855 | 136 | 1:46.3190 | 1:46.4450 |
| 42nd | 11 | Bortolotti / Ineichen / Engelhart / Ling | Lamborghini Huracán GT3 Evo | GRT Grasser Racing Team | 1:46.3420 | 193.9437 | 147 | 1:46.3420 | 1:46.4450 |
| 43rd | 88 | van der Linde / de Angelis / Vervisch / James | Audi R8 LMS GT3 | WRT Speedstar Audi Sport | 1:46.4320 | 193.7795 | 112 | 1:46.4320 | 1:47.0670 |
| 44th | 44 | Mapelli / Lally / Pumpelly / Potter | Lamborghini Huracán GT3 Evo | Magnus Racing | 1:46.5340 | 193.5944 | 136 | 1:46.5340 | 1:47.5180 |
| 45th | 96 | Klingmann / Machavern / Foley / Auberlen | BMW M6 GT3 | Turner Motorsport | 1:46.6500 | 193.3836 | 83 | 1:46.6500 | |
| 46th | 47 | Pavlovic / Lundqvist / Yount / Gdovic / Dunn | Lamborghini Huracán GT3 Evo | Precision Performance Motorsports (PPM) | 1:46.7650 | 193.1744 | 113 | 1:46.7650 | 1:47.9180 |
| 47th | 48 | Caldarelli / Lewis / Sellers / Hardwick | Lamborghini Huracán GT3 | Paul Miller Racing | 1:46.9440 | 192.8509 | 125 | 1:46.9440 | |