| 1st | 10 | van der Zande / Taylor / Hunter-Reay | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 443 | 10:00:29.165 | 1810.8180 kms | 180.8999 | | 1st | P | 1:11.9620 | 331 | 204.4929 |
| 2nd | 77 | Jarvis / di Grassi / Nunez | Mazda RT24-P | Mazda Team Joest | 443 | 10:00:34.471 | 1810.8180 kms | 180.8999 | | 2nd | P | 1:11.6790 | 3 | 205.3008 |
| 3rd | 55 | Bomarito / Pigot / Franchitti | Mazda RT24-P | Mazda Team Joest | 443 | 10:00:36.770 | 1810.8020 kms | 180.8999 | | 3rd | P | 1:11.4900 | 11 | 205.8431 |
| 4th | 5 | Albuquerque / Fittipaldi / Vautier | Cadillac DPi-V.R | Mustang Sampling Racing | 443 | 10:00:38.623 | 1810.8020 kms | 180.8999 | | 4th | P | 1:11.9780 | 313 | 204.4478 |
| 5th | 7 | Taylor / Castroneves / Rahal | Acura ARX-05 | Acura Team Penske | 443 | 10:00:59.615 | 1810.8020 kms | 180.7985 | | 5th | P | 1:11.9430 | 6 | 204.5476 |
| 6th | 22 | Derani / Bernhard / Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 443 | 10:01:14.230 | 1810.8020 kms | 180.6987 | | 6th | P | 1:11.6130 | 6 | 205.4891 |
| 7th | 54 | Bennett / Dumas / Braun | Oreca 07 Gibson | CORE autosport | 443 | 10:01:25.708 | 1810.8020 kms | 180.6987 | | 7th | P | 1:11.7750 | 86 | 205.0256 |
| 8th | 31 | Nasr / Curran / Chaves | Cadillac DPi-V.R | Whelen Engineering Racing | 442 | 10:00:55.788 | 1806.7140 kms | 180.3994 | | 8th | P | 1:11.8550 | 303 | 204.7971 |
| 9th | 85 | Trummer / DeFrancesco / Alon | Oreca 07 Gibson | JDC-Miller Motorsports | 441 | 9:59:47.272 | 1802.6260 kms | 180.2996 | DNF | 9th | P | 1:12.0540 | 5 | 204.2322 |
| 10th | 99 | Simpson / Goikhberg / Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 435 | 10:01:43.222 | 1778.1000 kms | 177.2998 | | 10th | P | 1:12.2610 | 5 | 203.6464 |
| 11th | 2 | Nato / Dalziel / Sharp | Nissan Onroak DPi | Tequila Patron ESM | 433 | 10:00:58.722 | 1769.9240 kms | 176.6995 | | 11th | P | 1:11.9550 | 375 | 204.5138 |
| 12th | 911 | Pilet / Makowiecki / Tandy | Porsche 991 RSR | Porsche GT Team | 419 | 10:00:50.045 | 1712.7120 kms | 170.9992 | | 1st | GTLM | 1:18.2360 | 106 | 188.0937 |
| 13th | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 419 | 10:01:01.488 | 1712.7120 kms | 170.9992 | | 2nd | GTLM | 1:18.0260 | 388 | 188.6006 |
| 14th | 24 | Edwards / Mostert / Krohn | BMW M8 GTE | BMW Team RLL | 419 | 10:01:05.302 | 1712.7120 kms | 170.9992 | | 3rd | GTLM | 1:18.1850 | 5 | 188.2176 |
| 15th | 25 | De Phillippi / Sims / Auberlen | BMW M8 GTE | BMW Team RLL | 419 | 10:01:07.057 | 1712.6960 kms | 170.9992 | | 4th | GTLM | 1:18.1050 | 268 | 188.4091 |
| 16th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 419 | 10:01:21.688 | 1712.7120 kms | 170.8995 | | 5th | GTLM | 1:18.1090 | 108 | 188.3995 |
| 17th | 912 | Bamber / Vanthoor / Jaminet | Porsche 991 RSR | Porsche GT Team | 419 | 10:01:50.942 | 1712.6960 kms | 170.6999 | | 6th | GTLM | 1:18.0510 | 405 | 188.5395 |
| 18th | 66 | Hand / Müller / Bourdais | Ford GT | Ford Chip Ganassi Racing | 418 | 10:00:57.794 | 1708.6240 kms | 170.5985 | | 7th | GTLM | 1:18.0400 | 106 | 188.5668 |
| 19th | 3 | Garcia / Magnussen / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 417 | 10:01:42.155 | 1704.5370 kms | 169.9998 | | 8th | GTLM | 1:17.9770 | 108 | 188.7197 |
| 20th | 62 | Vilander / Molina / Bertolini | Ferrari 488 GTE | Risi Competizione | 416 | 10:00:38.541 | 1700.4490 kms | 169.8985 | | 9th | GTLM | 1:18.5260 | 288 | 187.4001 |
| 21st | 63 | Serra / Jeannette / MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 407 | 10:01:46.319 | 1663.6591 kms | 165.8992 | | 1st | GTD | 1:20.7130 | 4 | 182.3210 |
| 22nd | 86 | Parente / Hindman / Legge | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 407 | 10:01:47.195 | 1663.6591 kms | 165.8992 | | 2nd | GTD | 1:21.0220 | 6 | 181.6257 |
| 23rd | 48 | Sellers / Snow / Lewis | Lamborghini Huracán GT3 | Paul Miller Racing | 406 | 10:00:37.136 | 1659.5720 kms | 165.7995 | | 3rd | GTD | 1:20.5230 | 32 | 182.7523 |
| 24th | 58 | Nielsen / Long / Renauer | Porsche 991 GT3 R | Wright Motorsports | 406 | 10:00:49.809 | 1659.5720 kms | 165.6997 | | 4th | GTD | 1:20.7150 | 274 | 182.3178 |
| 25th | 64 | Cressoni / Bell / Montecalvo | Ferrari 488 GT3 | Scuderia Corsa | 406 | 10:00:51.752 | 1659.5720 kms | 165.6997 | | 5th | GTD | 1:20.8370 | 120 | 182.0426 |
| 26th | 29 | van der Linde / Mies / Morad | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 406 | 10:01:16.909 | 1659.5720 kms | 165.5999 | | 6th | GTD | 1:20.3230 | 378 | 183.2077 |
| 27th | 71 | Perez / Fraga / Buhk | Mercedes-AMG GT3 | P1 Motorsports | 406 | 10:01:31.623 | 1659.5720 kms | 165.4985 | | 7th | GTD | 1:20.7360 | 78 | 182.2695 |
| 28th | 33 | Keating / Bleekemolen / Stolz | Mercedes-AMG GT3 | Mercedes-AMG Team Riley Motorsports | 405 | 10:00:32.131 | 1655.4840 kms | 165.3987 | | 8th | GTD | 1:20.4960 | 389 | 182.8134 |
| 29th | 44 | Potter / Lally / Davis | Audi R8 LMS GT3 | Magnus Racing | 405 | 10:01:06.599 | 1655.4840 kms | 165.1992 | | 9th | GTD | 1:21.0320 | 311 | 181.6048 |
| 30th | 15 | Hawksworth / Heinemeier Hansson / Rayhall | Lexus RC F GT3 | 3GT Racing | 399 | 10:01:23.705 | 1630.9580 kms | 162.6998 | | 10th | GTD | 1:20.7700 | 375 | 182.1938 |
| 31st | 52 | Gutierrez / Saavedra / Owen | Oreca 07 Gibson | AFS/PR1 Mathiasen Motorsports | 367 | 8:21:47.973 | 1500.1500 kms | 179.3984 | DNF | 12th | P | 1:12.5620 | 7 | 202.8031 |
| 32nd | 6 | Montoya / Cameron / Pagenaud | Acura ARX-05 | Acura Team Penske | 310 | 10:01:38.295 | 1267.1490 kms | 126.3995 | | 13th | P | 1:11.7890 | 264 | 204.9854 |
| 33rd | 14 | Frommenwiler / Baumann / Marcelli | Lexus RC F GT3 | 3GT Racing | 226 | 5:54:49.159 | 923.7957 kms | 156.1997 | DNF | 11th | GTD | 1:20.8620 | 43 | 181.9862 |
| 34th | 38 | French / Masson / Boulle | Oreca 07 Gibson | Performance Tech Motorsports | 204 | 4:42:16.640 | 833.8494 kms | 177.2998 | DNF | 14th | P | 1:12.7250 | 12 | 202.3477 |
| 35th | 93 | Marks / Farnbacher / Aschenbach | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 186 | 4:36:01.384 | 760.2863 kms | 165.2989 | DNF | 12th | GTD | 1:21.2520 | 6 | 181.1124 |
| 36th | 73 | Pappas / Pumpelly | Porsche 991 GT3 R | Park Place Motorsports | 122 | 3:05:11.987 | 498.6713 kms | 161.5991 | DNF | 13th | GTD | 1:20.5360 | 105 | 182.7217 |
| 37th | 96 | Yount / Machavern | BMW M6 GT3 | Turner Motorsport | 68 | 1:43:02.710 | 277.9498 kms | 161.8984 | DNF | 14th | GTD | 1:21.3790 | 43 | 180.8291 |