| 1st | 22 | Derani / Bernhard / Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 1:10.4370 | 208.9202 | 7 |
| 2nd | 77 | Jarvis / di Grassi / Nunez | Mazda RT24-P | Mazda Team Joest | 1:10.5610 | 208.5533 | 11 |
| 3rd | 55 | Bomarito / Pigot / Franchitti | Mazda RT24-P | Mazda Team Joest | 1:10.6000 | 208.4390 | 10 |
| 4th | 2 | Nato / Dalziel / Sharp | Nissan Onroak DPi | Tequila Patron ESM | 1:10.7750 | 207.9224 | 8 |
| 5th | 7 | Taylor / Castroneves / Rahal | Acura ARX-05 | Acura Team Penske | 1:10.7800 | 207.9079 | 8 |
| 6th | 5 | Albuquerque / Fittipaldi / Vautier | Cadillac DPi-V.R | Mustang Sampling Racing | 1:10.8920 | 207.5796 | 11 |
| 7th | 85 | Trummer / DeFrancesco / Alon | Oreca 07 Gibson | JDC-Miller Motorsports | 1:10.9120 | 207.5217 | 9 |
| 8th | 6 | Montoya / Cameron / Pagenaud | Acura ARX-05 | Acura Team Penske | 1:10.9470 | 207.4187 | 6 |
| 9th | 31 | Nasr / Curran / Chaves | Cadillac DPi-V.R | Whelen Engineering Racing | 1:10.9810 | 207.3189 | 10 |
| 10th | 54 | Bennett / Dumas / Braun | Oreca 07 Gibson | CORE autosport | 1:11.0710 | 207.0566 | 11 |
| 11th | 99 | Simpson / Goikhberg / Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 1:11.1510 | 206.8248 | 11 |
| 12th | 10 | van der Zande / Taylor / Hunter-Reay | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:11.4680 | 205.9075 | 8 |
| 13th | 52 | Gutierrez / Saavedra / Owen | Oreca 07 Gibson | AFS/PR1 Mathiasen Motorsports | 1:11.7080 | 205.2171 | 11 |
| 14th | 38 | French / Masson / Boulle | Oreca 07 Gibson | Performance Tech Motorsports | 1:11.8590 | 204.7858 | 11 |
| 15th | 24 | Edwards / Mostert / Krohn | BMW M8 GTE | BMW Team RLL | 1:17.0060 | 191.0983 | 6 |
| 16th | 3 | Garcia / Magnussen / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 1:17.0300 | 191.0388 | 9 |
| 17th | 912 | Bamber / Vanthoor / Jaminet | Porsche 991 RSR | Porsche GT Team | 1:17.2090 | 190.5962 | 9 |
| 18th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 1:17.2200 | 190.5689 | 6 |
| 19th | 911 | Pilet / Makowiecki / Tandy | Porsche 991 RSR | Porsche GT Team | 1:17.3690 | 190.2019 | 8 |
| 20th | 66 | Hand / Müller / Bourdais | Ford GT | Ford Chip Ganassi Racing | 1:17.3830 | 190.1681 | 6 |
| 21st | 25 | De Phillippi / Sims / Auberlen | BMW M8 GTE | BMW Team RLL | 1:17.4280 | 190.0571 | 6 |
| 22nd | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 1:17.4510 | 190.0008 | 10 |
| 23rd | 62 | Vilander / Molina / Bertolini | Ferrari 488 GTE | Risi Competizione | 1:17.7740 | 189.2122 | 11 |
| 24th | 63 | Serra / Jeannette / MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 1:19.6950 | 184.6513 | 6 |
| 25th | 15 | Hawksworth / Heinemeier Hansson / Rayhall | Lexus RC F GT3 | 3GT Racing | 1:19.7320 | 184.5644 | 5 |
| 26th | 29 | van der Linde / Mies / Morad | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 1:19.7440 | 184.5370 | 8 |
| 27th | 93 | Marks / Farnbacher / Aschenbach | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:19.8770 | 184.2297 | 7 |
| 28th | 48 | Sellers / Snow / Lewis | Lamborghini Huracán GT3 | Paul Miller Racing | 1:20.0790 | 183.7646 | 6 |
| 29th | 86 | Parente / Hindman / Legge | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 1:20.0950 | 183.7292 | 8 |
| 30th | 64 | Cressoni / Bell / Montecalvo | Ferrari 488 GT3 | Scuderia Corsa | 1:20.2970 | 183.2657 | 6 |
| 31st | 14 | Frommenwiler / Baumann / Marcelli | Lexus RC F GT3 | 3GT Racing | 1:20.3660 | 183.1096 | 8 |
| 32nd | 33 | Keating / Bleekemolen / Stolz | Mercedes-AMG GT3 | Mercedes-AMG Team Riley Motorsports | 1:20.5870 | 182.6074 | 5 |
| 33rd | 71 | Perez / Fraga / Buhk | Mercedes-AMG GT3 | P1 Motorsports | 1:21.5800 | 180.3833 | 10 |
| 34th | 96 | Yount / Machavern / *Palttala | BMW M6 GT3 | Turner Motorsport | 1:21.6500 | 180.2288 | 6 |
| 35th | 44 | Potter / Lally / Davis | Audi R8 LMS GT3 | Magnus Racing | 1:21.8950 | 179.6897 | 10 |
| 36th | 73 | Pappas / Pumpelly / *Henzler | Porsche 991 GT3 R | Park Place Motorsports | 1:22.6100 | 178.1351 | 11 |
| 37th | 58 | Nielsen / Long / Renauer | Porsche 991 GT3 R | Wright Motorsports | no time | | 0 |