| 1st | 6 | Cameron / Pagenaud / Montoya | Acura ARX-05 | Acura Team Penske | 1:45.8650 | 202.5150 | 5 |
| 2nd | 77 | Nunez / Bernhard / Jarvis | Mazda RT24-P | Mazda Team Joest | 1:46.0110 | 202.2350 | 4 |
| 3rd | 7 | Castroneves / Rossi / Taylor | Acura ARX-05 | Acura Team Penske | 1:46.0110 | 202.2350 | 5 |
| 4th | 5 | Albuquerque / Hartley / Barbosa | Cadillac DPi-V.R | Mustang Sampling Racing | 1:46.2380 | 201.8037 | 7 |
| 5th | 31 | Derani / Nasr / Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 1:46.3540 | 201.5832 | 7 |
| 6th | 10 | van der Zande / Taylor / Vaxiviere | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R. | 1:46.5300 | 201.2501 | 5 |
| 7th | 55 | Bomarito / Tincknell / Pla | Mazda RT24-P | Mazda Team Joest | 1:46.8320 | 200.6820 | 3 |
| 8th | 84 | Trummer / Simpson / Miller | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:47.0860 | 200.2056 | 8 |
| 9th | 85 | Piedrahita / Goikhberg / Vautier | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:47.2750 | 199.8532 | 7 |
| 10th | 50 | Owen / Binder / Canapino | Cadillac DPi-V.R | Juncos Racing | 1:47.4780 | 199.4750 | 7 |
| 11th | 52 | McMurry / Aubry / Fjordbach | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:49.7280 | 195.3856 | 8 |
| 12th | 38 | Masson / Cassels / Evans | Oreca 07 Gibson | Performance Tech Motorsports | 1:49.7390 | 195.3647 | 8 |
| 13th | 54 | Bennett / Braun / Dumas | Nissan Onroak DPi | CORE autosport | 1:50.0290 | 194.8497 | 6 |
| 14th | 911 | Pilet / Tandy / Makowiecki | Porsche 991 RSR | Porsche GT Team | 1:55.8990 | 184.9812 | 4 |
| 15th | 912 | Vanthoor / Jaminet / Bamber | Porsche 991 RSR | Porsche GT Team | 1:56.0420 | 184.7543 | 5 |
| 16th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1:56.1580 | 184.5692 | 6 |
| 17th | 67 | Westbrook / Dixon / Briscoe | Ford GT | Ford Chip Ganassi Racing | 1:56.1890 | 184.5193 | 5 |
| 18th | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 1:56.2480 | 184.4260 | 8 |
| 19th | 24 | Krohn / Edwards / Eng | BMW M8 GTE | BMW Team RLL | 1:56.4860 | 184.0494 | 5 |
| 20th | 25 | Blomqvist / Herta / De Phillippi | BMW M8 GTE | BMW Team RLL | 1:56.4860 | 184.0494 | 4 |
| 21st | 66 | Bourdais / Hand / Müller | Ford GT | Ford Chip Ganassi Racing | 1:56.7310 | 183.6632 | 6 |
| 22nd | 86 | Hindman / Farnbacher / Marks | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:59.9170 | 178.7836 | 5 |
| 23rd | 96 | Foley / Auberlen / Machavern | BMW M6 GT3 | Turner Motorsport | 2:00.2990 | 178.2155 | 5 |
| 24th | 9 | Robichon / Hargrove / Kern | Porsche 991 GT3 R | Pfaff Motorsports | 2:00.5040 | 177.9130 | 5 |
| 25th | 11 | Ineichen / Bortolotti / Breukers | Lamborghini Huracán GT3 Evo | GRT Grasser Racing Team | 2:00.7100 | 177.6088 | 7 |
| 26th | 47 | Gdovic / Aschenbach / Yount | Lamborghini Huracán GT3 Evo | Precision Performance Motorsports (PPM) | 2:00.7750 | 177.5139 | 8 |
| 27th | 57 | Nielsen / Legge / Beatriz | Acura NSX GT3 | Heinricher Racing w/Meyer Shank Racing | 2:00.8090 | 177.4640 | 7 |
| 28th | 63 | MacNeil / Vilander / Westphal | Ferrari 488 GT3 | Scuderia Corsa | 2:00.9740 | 177.2210 | 5 |
| 29th | 12 | Montecalvo / Bell / Telitz | Lexus RC F GT3 | AIM Vasser Sullivan | 2:01.1000 | 177.0375 | 6 |
| 30th | 33 | Keating / Bleekemolen / Fraga | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 2:01.1840 | 176.9136 | 6 |
| 31st | 29 | Morad / Mies / Feller | Audi R8 LMS GT3 | Montaplast by Land Motorsport | 2:01.1890 | 176.9072 | 6 |
| 32nd | 8 | Pérez Companc / Chase / Dalziel | Audi R8 LMS GT3 | Starworks Motorsport | 2:01.3330 | 176.6979 | 5 |
| 33rd | 48 | Hardwick / Sellers / Lewis | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 2:01.7250 | 176.1282 | 7 |
| 34th | 71 | Perez / Buhk / Schiller | Mercedes-AMG GT3 | P1 Motorsports | 2:01.9610 | 175.7870 | 7 |
| 35th | 73 | Boulle / Long / Lindsey | Porsche 991 GT3 R | Park Place Motorsports | 2:02.1500 | 175.5151 | 6 |
| 36th | 44 | Potter / Pumpelly / Lally | Lamborghini Huracán GT3 Evo | Magnus Racing | 2:02.2050 | 175.4362 | 8 |
| 37th | 19 | Hardeman / Riberas / Davis | Audi R8 LMS GT3 | Moorespeed | 2:02.5340 | 174.9647 | 6 |
| 38th | 14 | Heistand / Hawksworth / Frommenwiler | Lexus RC F GT3 | AIM Vasser Sullivan | | | 4 |