| 1st | 10 | Albuquerque / Deletraz / Taylor | Acura ARX-06 | Konica Minolta Acura ARX-06 | 1:46.4500 | 203.5547 | 204 | 1:47.0010 | 1:46.4500 |
| 2nd | 6 | Jaminet / Tandy / Cameron | Porsche 963 | Porsche Penske Motorsports | 1:46.9490 | 202.6035 | 197 | 1:48.1320 | 1:46.9490 |
| 3rd | 01 | Renger van der Zande | Cadillac V-Series.R | Cadillac Racing | 1:47.0530 | 202.4072 | 193 | 1:47.0530 | 1:47.2380 |
| 4th | 31 | Aitken / Derani / Sims | Cadillac V-Series.R | Whelen Engineering Racing Cadillac V-LMDh | 1:47.1930 | 202.1433 | 201 | 1:48.2910 | 1:47.1930 |
| 5th | 7 | Campbell / Nasr / Christensen | Porsche 963 | Porsche Penske Motorsports | 1:47.2900 | 201.9598 | 175 | 1:47.7720 | 1:47.2900 |
| 6th | 60 | Blomqvist / Braun / Castroneves | Acura ARX-06 | Meyer Shank Racing w/ Curb Agajanian | 1:47.2970 | 201.9469 | 164 | 1:47.4800 | 1:47.2970 |
| 7th | 25 | Yelloly / Eng / Farfus / De Phillippi | BMW M Hybrid V8 | BMW M Team RLL | 1:48.2230 | 200.2185 | 195 | 1:48.2230 | 1:48.2230 |
| 8th | 11 | Huffaker / Thomas | Oreca 07 Gibson | TDS Racing | 1:50.8820 | 195.4178 | 228 | 1:51.4680 | 1:50.8820 |
| 9th | 52 | Chatin / Quinn / Keating | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 1:50.8940 | 195.3969 | 252 | 1:51.9320 | 1:50.8940 |
| 10th | 18 | Rasmussen / Dalziel / Merriman | Oreca 07 Gibson | Era Motorsport | 1:50.9450 | 195.3068 | 194 | 1:51.2260 | 1:50.9450 |
| 11th | 4 | Ave / Lucas / Kasemets | Ligier JS P320 Nissan | Ave Motorsports | 1:58.3590 | 183.0725 | 174 | 1:58.3590 | 1:58.7300 |
| 12th | 32 | Grenier / Skeen / Koch | Mercedes-AMG GT3 | Team Korthoff Motorsports | 2:01.5580 | 178.2542 | 99 | 2:01.5580 | 2:01.7960 |
| 13th | 14 | Barnicoat / Hawksworth / Kirkwood | Lexus RC F GT3 | Vasser Sullivan | 2:01.7430 | 177.9838 | 222 | 2:01.7530 | 2:01.7430 |
| 14th | 12 | Thompson / Kirkwood / Montecalvo / *Hawksworth | Lexus RC F GT3 | VasserSullivan | 2:01.8600 | 177.8132 | 223 | 2:02.0800 | 2:01.8600 |
| 15th | 57 | Ellis / Dontje / Ward | Mercedes-AMG GT3 | Winward Racing | 2:01.9510 | 177.6796 | 206 | 2:02.0000 | 2:01.9510 |
| 16th | 78 | Spinelli / Hites / Goikhberg | Lamborghini Huracán GT3 Evo2 | Forte Racing Powered by USRT | 2:01.9670 | 177.6571 | 176 | 2:02.4820 | 2:01.9670 |
| 17th | 63 | Grosjean / Perera / Pepper / Kvyat | Lamborghini Huracán GT3 Evo2 | Iron Lynx | 2:02.0520 | 177.5332 | 214 | 2:02.3940 | 2:02.0520 |
| 18th | 83 | Frey / Pin / Gatting / Bovy | Lamborghini Huracán GT3 Evo2 | Iron Dames | 2:02.1750 | 177.3545 | 235 | 2:02.7500 | 2:02.1750 |
| 19th | 96 | Foley / Gallagher / Dinan | BMW M4 GT3 | Turner Motorsport | 2:02.3720 | 177.0697 | 171 | 2:03.0870 | 2:02.3720 |
| 20th | 44 | Pumpelly / Lally / Potter | Aston Martin Vantage AMR GT3 | Magnus Racing | 2:02.4270 | 176.9892 | 139 | 2:03.0390 | 2:02.4270 |
| 21st | 023 | Bertolini / Scardina / Triarsi | Ferrari 296 GT3 | Triarsi Competizione | 2:02.6030 | 176.7349 | 196 | 2:03.4610 | 2:02.6030 |
| 22nd | 66 | Miller / Legge / Monk | Acura NSX GT3 | Gradient Racing | 2:02.6900 | 176.6094 | 216 | 2:02.7940 | 2:02.6900 |
| 23rd | 91 | van Berlo / Metni / *Evans | Porsche 992 GT3 R | Kellymoss with Riley | 2:02.8470 | 176.3841 | 182 | 2:03.6840 | 2:02.8470 |
| 24th | 92 | Udell / Brule / *Andlauer | Porsche 992 GT3 R | Kellymoss with Riley | 2:02.9620 | 176.2200 | 159 | 2:03.4210 | 2:02.9620 |
| 25th | 80 | Priaulx / Tincknell / Jeannette / Hyett | Porsche 992 GT3 R | AO Racing | 2:02.9760 | 176.1990 | 197 | 2:03.6140 | 2:02.9760 |
| 26th | 1 | Sellers / Snow / Bourdais / Dixon / Lewis | BMW M4 GT3 | Paul Miller Racing | 2:03.0700 | 176.0655 | 120 | 2:03.1470 | 2:03.0700 |