| 1st | 6 | Montoya / Cameron / Pagenaud | Acura ARX-05 | Acura Team Penske | 1:08.4120 | 215.0080 | 11 |
| 2nd | 7 | Castroneves / Taylor / Rossi | Acura ARX-05 | Acura Team Penske | 1:08.5060 | 214.8100 | 12 |
| 3rd | 31 | Nasr / Derani / Albuquerque | Cadillac DPi-V.R | Whelen Engineering Racing | 1:08.6120 | 214.4770 | 11 |
| 4th | 55 | Bomarito / Tincknell / Hunter-Reay | Mazda RT24-P | Mazda Motorsports | 1:08.6360 | 214.3570 | 8 |
| 5th | 10 | van der Zande / Briscoe / Dixon | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:08.8500 | 213.6910 | 10 |
| 6th | 77 | Jarvis / Nunez / Pla | Mazda RT24-P | Mazda Motorsports | 1:08.9250 | 213.4580 | 11 |
| 7th | 5 | Bourdais / Vautier / Duval | Cadillac DPi-V.R | Mustang Sampling Racing / JDC-Miller MotorSports | 1:09.0400 | 213.1020 | 10 |
| 8th | 85 | Miller / Leist / Aubry | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:09.2290 | 212.5220 | 9 |
| 9th | 52 | Kelly / Trummer / Huffaker | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:11.5900 | 205.5130 | 5 |
| 10th | 51 | McCusker / Smiechowski / Hodes | Oreca 07 Gibson | Inter Europol Competition | 1:13.1610 | 201.0990 | 11 |
| 11th | 8 | Farano / Jensen / van Uitert | Oreca 07 Gibson | Tower Motorsport by Starworks | 1:14.0820 | 198.5990 | 12 |
| 12th | 3 | Garcia / Taylor / Catsburg | Chevrolet Corvette C8.R | Corvette Racing | 1:15.1630 | 195.7430 | 9 |
| 13th | 25 | Spengler / De Phillippi / Herta | BMW M8 GTE | BMW Team RLL | 1:15.4340 | 195.0400 | 6 |
| 14th | 24 | Farfus / Krohn / Edwards | BMW M8 GTE | BMW Team RLL | 1:15.6150 | 194.5730 | 7 |
| 15th | 912 | Bamber / Vanthoor / Jaminet | Porsche 991 RSR 19 | Porsche GT Team | 1:15.6570 | 194.4640 | 8 |
| 16th | 4 | Gavin / Milner / Fässler | Chevrolet Corvette C8.R | Corvette Racing | 1:15.8560 | 193.9540 | 10 |
| 17th | 911 | Tandy / Makowiecki / Campbell | Porsche 991 RSR 19 | Porsche GT Team | 1:15.8580 | 193.9490 | 9 |
| 18th | 86 | McMurry / Farnbacher / Michimi | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:19.2910 | 185.5510 | 9 |
| 19th | 63 | MacNeil / Balzan / Westphal | Ferrari 488 GT3 | Scuderia Corsa | 1:19.4640 | 185.1480 | 6 |
| 20th | 12 | Montecalvo / Bell / Kirkwood | Lexus RC F GT3 | AIM Vasser-Sullivan | 1:19.5630 | 184.9180 | 7 |
| 21st | 48 | Sellers / Snow / Lewis | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 1:19.5670 | 184.9080 | 9 |
| 22nd | 96 | Auberlen / Foley / Machavern | BMW M6 GT3 | Turner Motorsport | 1:19.6570 | 184.6990 | 6 |
| 23rd | 57 | Parente / Goikhberg / Hindman | Acura NSX GT3 | Heinricher Racing w/MSR Curb-Agajanian | 1:19.6660 | 184.6780 | 11 |
| 24th | 30 | Ferriol / Winkelhock / Davis | Audi R8 LMS GT3 | Team Hardpoint | 1:19.7220 | 185.5490 | 11 |
| 25th | 9 | Olsen / Robichon / Kern | Porsche 991 GT3 R | Pfaff Motorsports | 1:19.7740 | 184.4280 | 8 |
| 26th | 14 | Hawksworth / Telitz / de Quesada | Lexus RC F GT3 | AIM Vasser-Sullivan | 1:19.9080 | 184.1190 | 8 |
| 27th | 16 | Hardwick / Long / Heylen | Porsche 991 GT3 R | Wright Motorsports | 1:20.3990 | 182.9950 | 10 |
| 28th | 23 | James / de Angelis / Turner | Aston Martin Vantage GT3 | Heart of Racing Team | 1:20.4340 | 182.9140 | 8 |
| 29th | 44 | Lally / Potter / Pumpelly | Lamborghini Huracán GT3 Evo | GRT Magnus | 1:20.4530 | 182.8730 | 12 |
| 30th | 74 | Robinson / Aschenbach / Keating | Mercedes-AMG GT3 Evo | Riley Motorsports | 1:20.6220 | 182.4880 | 10 |
| 11th | 38 | McGuire / Bell / Braun | Oreca 07 Gibson | Performance Tech Motorsports | no time | | 2 |