| 1st | 7 | Castroneves / Taylor / Rossi | Acura ARX-05 | Acura Team Penske | 1:46.8740 | 202.7000 | 8 |
| 2nd | 10 | van der Zande / Briscoe / Dixon | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:47.1250 | 202.2260 | 8 |
| 3rd | 6 | Montoya / Cameron / Pagenaud | Acura ARX-05 | Acura Team Penske | 1:47.1400 | 202.1980 | 7 |
| 4th | 5 | Bourdais / Vautier / Duval | Cadillac DPi-V.R | Mustang Sampling Racing/JDC-Miller MotorSports | 1:47.2090 | 202.0680 | 6 |
| 5th | 55 | Bomarito / Tincknell / Hunter-Reay | Mazda RT24-P | Mazda Motorsports | 1:47.2450 | 202.0000 | 6 |
| 6th | 31 | Nasr / Derani / Chaves | Cadillac DPi-V.R | Whelen Engineering Racing | 1:47.3270 | 201.8460 | 8 |
| 7th | 77 | Jarvis / Nunez / Pla | Mazda RT24-P | Mazda Motorsports | 1:47.4740 | 201.5690 | 8 |
| 8th | 85 | Leist / Simpson / Andrews | Cadillac DPi-V.R | JDC-Miller MotorSports | 1:47.6960 | 201.1540 | 6 |
| 9th | 52 | Kelly / Trummer / Huffaker | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:51.3730 | 194.5120 | 6 |
| 10th | 51 | Smiechowski / Rao / Bell | Oreca 07 Gibson | Inter Europol Competition | 1:53.1470 | 191.4630 | 8 |
| 11th | 38 | Yount / Byrne / Cosmo | Oreca 07 Gibson | Performance Tech Motorsports | 1:54.0450 | 189.9550 | 8 |
| 12th | 8 | Farano / Jensen / Heinemeier Hansson | Oreca 07 Gibson | Tower Motorsport by Starworks | 1:54.1940 | 189.7080 | 8 |
| 13th | 3 | Garcia / Taylor / Catsburg | Chevrolet Corvette C8.R | Corvette Racing | 1:55.4560 | 187.6340 | 5 |
| 14th | 25 | Spengler / De Phillippi / Herta | BMW M8 GTE | BMW Team RLL | 1:56.1160 | 186.5670 | 5 |
| 15th | 24 | Farfus / Krohn / Edwards | BMW M8 GTE | BMW Team RLL | 1:56.3160 | 186.2470 | 5 |
| 16th | 4 | Gavin / Milner / Fässler | Chevrolet Corvette C8.R | Corvette Racing | 1:56.4460 | 186.0390 | 7 |
| 17th | 911 | Tandy / Makowiecki / Bamber | Porsche 991 RSR 19 | Porsche GT Team | 1:56.8400 | 185.4120 | 6 |
| 18th | 912 | Bamber / Vanthoor / Jani | Porsche 991 RSR 19 | Porsche GT Team | 1:57.7740 | 183.9410 | 9 |
| 19th | 16 | Hardwick / Long / Heylen | Porsche 991 GT3 R | Wright Motorsports | 2:00.8440 | 179.2680 | 4 |
| 20th | 30 | Ferriol / Davis / Kaffer | Audi R8 LMS GT3 | Team Hardpoint | 2:01.5460 | 178.2320 | 7 |
| 21st | 14 | Hawksworth / Telitz / Kirkwood | Lexus RC F GT3 | AIM Vasser-Sullivan | 2:01.6050 | 178.1450 | 8 |
| 22nd | 11 | Heistand / Schothorst / Perera | Lamborghini Huracán GT3 Evo | GRT Grasser Racing | 2:01.6520 | 178.0780 | 8 |
| 23rd | 63 | MacNeil / Balzan / Westphal | Ferrari 488 GT3 | Scuderia Corsa | 2:01.8020 | 177.8570 | 7 |
| 24th | 12 | Montecalvo / Bell / de Quesada | Lexus RC F GT3 | AIM Vasser-Sullivan | 2:01.8390 | 177.8040 | 5 |
| 25th | 96 | Foley / Machavern / Yelloly | BMW M6 GT3 | Turner Motorsport | 2:02.2100 | 177.2640 | 6 |
| 26th | 86 | McMurry / Farnbacher / Michimi | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 2:02.2860 | 177.1540 | 6 |
| 27th | 48 | Sellers / Snow / Lewis | Lamborghini Huracán GT3 Evo | Paul Miller Racing | 2:02.4350 | 176.9390 | 8 |
| 28th | 74 | Robinson / Aschenbach / Miller | Mercedes-AMG GT3 Evo | Riley Motorsports | 2:02.6890 | 176.5720 | 8 |
| 29th | 23 | James / de Angelis / Turner | Aston Martin Vantage GT3 | Heart of Racing Team | 2:02.7050 | 176.5490 | 6 |
| 30th | 57 | Goikhberg / Hindman / Hand | Acura NSX GT3 | Heinricher Racing w/MSR Curb-Agajanian | 2:03.1530 | 175.9070 | 8 |
| 31st | 44 | Lally / Potter / Pumpelly | Lamborghini Huracán GT3 Evo | GRT Magnus | 2:04.3630 | 174.1950 | 8 |