| 1st | 2 | Hartley / Dalziel / Sharp | Nissan Onroak DPi | Tequila Patron ESM | 402 | 10:00:22.867 | 1643.2531 kms | 164.1998 | | 1st | P | 1:12.6120 | 238 | 202.6631 |
| 2nd | 31 | Curran / Cameron / Conway | Cadillac DPi-V.R | Whelen Engineering Racing | 402 | 10:00:30.500 | 1643.2531 kms | 164.1998 | | 2nd | P | 1:12.9660 | 152 | 201.6798 |
| 3rd | 6 | Castroneves / Montoya / Pagenaud | Oreca 07 Gibson | Team Penske | 402 | 10:00:30.925 | 1643.2531 kms | 164.1998 | | 3rd | P | 1:13.1150 | 388 | 201.2694 |
| 4th | 22 | Derani / Senna / Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 402 | 10:00:42.152 | 1643.2531 kms | 164.0984 | | 4th | P | 1:12.5630 | 392 | 202.7999 |
| 5th | 5 | Fittipaldi / Albuquerque / Barbosa | Cadillac DPi-V.R | Mustang Sampling Racing | 401 | 10:01:12.052 | 1639.1650 kms | 163.5995 | | 5th | P | 1:13.0760 | 214 | 201.3756 |
| 6th | 85 | Goikhberg / Simpson / Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 399 | 10:01:25.382 | 1630.9900 kms | 162.6998 | | 6th | P | 1:13.2410 | 116 | 200.9234 |
| 7th | 25 | Auberlen / Sims / Wittmer | BMW M6 GTLM | BMW Team RLL | 392 | 10:00:27.647 | 1602.3750 kms | 160.0992 | | 1st | GTLM | 1:18.4660 | 119 | 187.5433 |
| 8th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 392 | 10:00:28.707 | 1602.3750 kms | 160.0992 | | 2nd | GTLM | 1:18.5320 | 77 | 187.3856 |
| 9th | 62 | Vilander / Pier Guidi / Fisichella | Ferrari 488 GTE | Risi Competizione | 392 | 10:00:45.561 | 1602.3750 kms | 159.9994 | | 3rd | GTLM | 1:18.4310 | 279 | 187.6270 |
| 10th | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 392 | 10:00:49.775 | 1602.3750 kms | 159.9994 | | 4th | GTLM | 1:18.6630 | 273 | 187.0734 |
| 11th | 912 | Bruni / Bamber / Vanthoor | Porsche 991 RSR | Porsche GT Team | 392 | 10:00:50.263 | 1602.3750 kms | 159.9994 | | 5th | GTLM | 1:18.6210 | 215 | 187.1731 |
| 12th | 911 | Pilet / Tandy / Werner | Porsche 991 RSR | Porsche GT Team | 392 | 10:00:50.359 | 1602.3750 kms | 159.9994 | | 6th | GTLM | 1:18.5880 | 119 | 187.2520 |
| 13th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 392 | 10:00:52.294 | 1602.3750 kms | 159.9994 | | 7th | GTLM | 1:18.6120 | 79 | 187.1957 |
| 14th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 390 | 10:00:58.080 | 1594.2000 kms | 159.1995 | | 8th | GTLM | 1:18.5580 | 81 | 187.3244 |
| 15th | 26 | Grist / Falb / Drissi | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 384 | 10:01:10.149 | 1569.6740 kms | 156.6986 | | 1st | PC | 1:17.3410 | 233 | 190.2711 |
| 16th | 29 | De Phillippi / Mies / van der Linde | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 382 | 10:01:24.903 | 1561.4980 kms | 155.7990 | | 1st | GTD | 1:21.1480 | 79 | 181.3441 |
| 17th | 28 | Christensen / Morad / de Quesada | Porsche 991 GT3 R | Alegra Motorsports | 382 | 10:01:40.421 | 1561.4980 kms | 155.6992 | | 2nd | GTD | 1:21.6890 | 298 | 180.1435 |
| 18th | 73 | Lindsey / Bergmeister / McMurry | Porsche 991 GT3 R | Park Place Motorsports | 382 | 10:01:41.409 | 1561.4980 kms | 155.6992 | | 3rd | GTD | 1:21.4780 | 231 | 180.6102 |
| 19th | 33 | Keating / Bleekemolen / Farnbacher | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 381 | 10:00:26.093 | 1557.4100 kms | 155.5994 | | 4th | GTD | 1:21.5300 | 126 | 180.4960 |
| 20th | 90 | van der Zande / Bomarito / Goossens | Ligier JS P217 Gibson | Visit Florida Racing | 380 | 9:34:19.375 | 1553.3230 kms | 162.2991 | DNF | 7th | P | 1:13.4450 | 48 | 200.3649 |
| 21st | 54 | Bennett / Braun / Jönsson | Porsche 991 GT3 R | CORE autosport | 380 | 10:00:24.558 | 1553.3230 kms | 155.1987 | | 5th | GTD | 1:21.8880 | 343 | 179.7058 |
| 22nd | 23 | Bell / Montecalvo / Sweedler | Audi R8 LMS GT3 | Alex Job Racing | 380 | 10:00:33.908 | 1553.3230 kms | 155.1987 | | 6th | GTD | 1:22.1410 | 39 | 179.1522 |
| 23rd | 20 | Yount / Burkett / Rice | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 376 | 10:00:55.412 | 1536.9720 kms | 153.4992 | | 2nd | PC | 1:17.0670 | 116 | 190.9471 |
| 24th | 48 | Snow / Sellers / Hindman | Lamborghini Huracán GT3 | Paul Miller Racing | 375 | 10:00:54.291 | 1532.8840 kms | 153.0985 | | 7th | GTD | 1:21.3030 | 112 | 180.9997 |
| 25th | 38 | French / O'Ward / Masson | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 367 | 10:01:41.923 | 1500.1820 kms | 149.5998 | | 3rd | PC | 1:16.1370 | 129 | 193.2806 |
| 26th | 15 | Hawksworth / Cindric / Pruett | Lexus RCF GT3 | 3GT Racing | 364 | 10:00:41.907 | 1487.9189 kms | 148.5988 | | 8th | GTD | 1:21.6160 | 73 | 180.3045 |
| 27th | 63 | Cressoni / Balzan / Nielsen | Ferrari 488 GT3 | Scuderia Corsa | 349 | 10:00:48.914 | 1426.6030 kms | 142.4994 | | 9th | GTD | 1:21.1970 | 256 | 181.2347 |
| 28th | 24 | Tomczyk / Edwards / Catsburg | BMW M6 GTLM | BMW Team RLL | 338 | 8:55:00.654 | 1381.6379 kms | 154.8994 | DNF | 9th | GTLM | 1:18.4910 | 296 | 187.4837 |
| 29th | 14 | Karam / Alon / James | Lexus RCF GT3 | 3GT Racing | 308 | 8:09:34.994 | 1259.0060 kms | 154.2991 | Accident | 10th | GTD | 1:21.8950 | 32 | 179.6913 |
| 30th | 16 | Mul / Lewis / Sandberg | Lamborghini Huracán GT3 | Change Racing | 300 | 7:53:20.682 | 1226.3040 kms | 155.3999 | DNF | 11th | GTD | 1:21.7760 | 44 | 179.9520 |
| 31st | 86 | Negri / Segal / Dyer | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 292 | 8:05:37.306 | 1193.6021 kms | 147.4996 | DNF | 12th | GTD | 1:21.5840 | 28 | 180.3753 |
| 32nd | 57 | Davis / Aschenbach / Bell | Audi R8 LMS GT3 | Stevenson Motorsports | 229 | 6:13:28.875 | 936.0750 kms | 150.3996 | DNF | 13th | GTD | 1:21.4910 | 116 | 180.5813 |
| 33rd | 93 | Lally / Legge / Wilkins | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 219 | 5:48:06.943 | 895.1976 kms | 154.2991 | DNF | 14th | GTD | 1:21.1840 | 71 | 181.2652 |
| 34th | 96 | Marks / Krohn / Klingmann | BMW M6 GT3 | Turner Motorsport | 213 | 6:38:28.054 | 870.6712 kms | 131.0988 | DNF | 15th | GTD | 1:21.3550 | 149 | 180.8838 |
| 35th | 75 | von Moltke / Habul / Vautier | Mercedes-AMG GT3 | SunEnergy1 Racing | 210 | 6:29:36.148 | 858.4080 kms | 132.1996 | DNF | 16th | GTD | 1:22.1810 | 110 | 179.0653 |
| 36th | 13 | Beche / Menezes / Heidfeld | Oreca 07 Gibson | Rebellion Racing | 205 | 5:09:50.273 | 837.9694 kms | 162.2991 | DNF | 8th | P | 1:12.9620 | 93 | 201.6910 |
| 37th | 10 | Taylor / Hunter-Reay | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 97 | 2:27:28.698 | 396.4941 kms | 161.2997 | DNF | 9th | P | 1:13.1020 | 41 | 201.3048 |
| 38th | 52 | Pla / Gutierrez | Ligier JS P217 Gibson | PR1/Mathiasen Motorsports | 62 | 1:33:54.379 | 253.4234 kms | 161.8984 | DNF | 10th | P | 1:13.4760 | 20 | 200.2796 |
| 39th | 50 | MacNeil | Porsche 991 GT3 R | Riley Motorsports - WeatherTech Racing | 15 | 26:09.005 | 61.2999 kms | 140.6985 | DNF | 17th | GTD | 1:28.6840 | 10 | 165.9346 |