| 1st | 77 | Jarvis / Nunez / Pla | Mazda RT24-P | Mazda Team Joest | 1:33.324 | 1:33.3240 |
| 2nd | 7 | Castroneves / Rossi / Taylor | Acura ARX-05 | Acura Team Penske | 1:33.543 | 1:33.5430 |
| 3rd | 6 | Cameron / Montoya / Pagenaud | Acura ARX-05 | Acura Team Penske | 1:33.565 | 1:33.5650 |
| 4th | 31 | Conway / Derani / Albuquerque / Nasr | Cadillac DPi-V.R | Whelen Engineering Racing | 1:33.652 | 1:33.6520 |
| 5th | 55 | Bomarito / Tincknell / Hunter-Reay | Mazda RT24-P | Mazda Team Joest | 1:33.660 | 1:33.6600 |
| 6th | 85 | Piedrahita / Leist / Miller / Vautier | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:33.940 | 1:33.9400 |
| 7th | 5 | Barbosa / Bourdais / Duval / *Vautier | Cadillac DPi-V.R | Mustang Sampling Racing JDC-Miller MotorSports | 1:33.946 | 1:33.9460 |
| 8th | 10 | Briscoe / Dixon / Kobayashi / van der Zande | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:34.226 | 1:34.2260 |
| 9th | 81 | Hanley / Hedman / Braun / Newey | Oreca 07 Gibson | DragonSpeed USA | 1:35.140 | 1:35.1400 |
| 10th | 8 | Farano / Dalziel / Heinemeier Hansson / Lapierre | Oreca 07 Gibson | Tower Motorsport by Starworks | 1:35.662 | 1:35.6620 |
| 11th | 52 | Boulle / Aubry / Keating / Trummer | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:37.179 | 1:37.1790 |
| 12th | 18 | Merriman / Tilley / Lewis / Minassian | Oreca 07 Gibson | Era Motorsport | 1:37.535 | 1:37.5350 |
| 13th | 38 | Cassels / Masson / Masson / Yount | Oreca 07 Gibson | Performance Tech Motorsports | 1:38.138 | 1:38.1380 |
| 14th | 2 | Hoggard / Ware / Davison / Kvamme | Riley Mk.30 Gibson | Rick Ware Racing | 1:42.314 | 1:42.3140 |
| 15th | 62 | Serra / Calado | Ferrari 488 GTE | Risi Competizione | 1:42.685 | 1:42.6850 |
| 16th | 911 | Tandy / Makowiecki / Campbell | Porsche 991 RSR 19 | Porsche GT Team | 1:42.686 | 1:42.6860 |
| 17th | 4 | Gavin / Milner / Fässler | Chevrolet Corvette C8.R | Corvette Racing | 1:42.793 | 1:42.7930 |
| 18th | 24 | Krohn / Edwards / Mostert / Farfus | BMW M8 GTE | BMW Team RLL | 1:42.844 | 1:42.8440 |
| 19th | 912 | Bamber / Vanthoor / Jaminet | Porsche 991 RSR 19 | Porsche GT Team | 1:42.903 | 1:42.9030 |
| 20th | 25 | Spengler / De Phillippi / Eng / Herta | BMW M8 GTE | BMW Team RLL | 1:43.021 | 1:43.0210 |
| 21st | 3 | Catsburg / Garcia / Taylor | Chevrolet Corvette C8.R | Corvette Racing | 1:43.131 | 1:43.1310 |
| 22nd | 48 | Sellers / Snow / Lewis / Caldarelli | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 1:45.322 | 1:45.3220 |
| 23rd | 9 | Olsen / Robichon / Kern / Pilet | Porsche 991 GT3 R | Pfaff Motorsports | 1:45.818 | 1:45.8180 |
| 24th | 57 | Parente / Goikhberg / Hindman / Allmendinger | Acura NSX GT3 | Heinricher Racing w/MSR Curb-Agajanian | 1:46.033 | 1:46.0330 |
| 25th | 47 | Gdovic / Lux | Lamborghini Huracán GT3 Evo | Precision Performance Motorsports | 1:46.077 | 1:46.0770 |
| 26th | 44 | Mapelli / Pumpelly / Potter / Lally | Lamborghini Huracán GT3 Evo | GRT Magnus | 1:46.225 | 1:46.2250 |
| 27th | 88 | Bortolotti / Ineichen / Morad | Audi R8 LMS GT3 | WRT Speedstar Audi Sport | 1:46.302 | 1:46.3020 |
| 28th | 19 | Nielsen / Legge / Calderón / Frey | Lamborghini Huracán GT3 Evo | GEAR Racing powered by GRT Grasser | 1:46.363 | 1:46.3630 |
| 29th | 54 | Bleekemolen / Estep / Müller | Porsche 991 GT3 R | BLACK SWAN RACING | 1:46.371 | 1:46.3710 |
| 30th | 63 | MacNeil / Vilander / Westphal / Balzan | Ferrari 488 GT3 | Scuderia Corsa | 1:46.381 | 1:46.3810 |
| 31st | 14 | Chase / Hawksworth / Busch / de Quesada | Lexus RC-F GT3 | AIM Vasser Sullivan | 1:46.429 | 1:46.4290 |
| 32nd | 96 | Klingmann / Machavern / Auberlen / Foley | BMW M6 GT3 | Turner Motorsport | 1:46.438 | 1:46.4380 |
| 33rd | 12 | Montecalvo / Bell / Van Gisbergen / Telitz | Lexus RC-F GT3 | AIM Vasser Sullivan | 1:46.443 | 1:46.4430 |
| 34th | 98 | Lamy / Gunn / Lauda / *Dalla Lana | Aston Martin Vantage GT3 | Aston Martin Racing | 1:46.588 | 1:46.5880 |
| 35th | 16 | Hardwick / Long / Imperato / Bachler | Porsche 991 GT3 R | Wright Motorsports | 1:46.625 | 1:46.6250 |
| 36th | 11 | Heistand / Schothorst / Perera / Costa | Lamborghini Huracán GT3 Evo | GRT Grasser Racing Team | 1:46.713 | 1:46.7130 |
| 37th | 23 | Riberas / de Angelis / James / Thiim | Aston Martin Vantage GT3 | Heart Of Racing Team | 1:46.729 | 1:46.7290 |
| 38th | 74 | Robinson / Aschenbach / Keating / Fraga | Mercedes-AMG GT3 | Riley Motorsports | 1:46.791 | 1:46.7910 |
| 39th | 86 | Farnbacher / McMurry / Michimi / Gounon | Acura NSX GT3 | Meyer Shank Racing w/Curb-Agajanian | 1:46.873 | 1:46.8730 |