| 1st | 5 | Albuquerque / Barbosa / Fittipaldi | Cadillac DPi-V.R | Mustang Sampling Racing | 808 | 24:01:32.128 | 4629.0210 kms | 192.6996 | | 1st | P | 1:37.6180 | 53 | 211.2763 |
| 2nd | 31 | Nasr / Conway / Middleton / Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 808 | 24:02:42.672 | 4629.0210 kms | 192.4985 | | 2nd | P | 1:37.4750 | 331 | 211.5853 |
| 3rd | 54 | Braun / Dumas / Duval / Bennett | Oreca 07 Gibson | CORE autosport | 808 | 24:03:04.110 | 4629.0210 kms | 192.4985 | | 3rd | P | 1:38.1750 | 291 | 210.0773 |
| 4th | 32 | Senna / di Resta / de Sadeleer / Owen | Ligier JS P217 Gibson | United Autosports | 804 | 24:01:32.412 | 4606.1040 kms | 191.6986 | | 4th | P | 1:38.7240 | 238 | 208.9089 |
| 5th | 78 | Brundle / Tung / Felix da Costa / Habsburg | Oreca 07 Gibson | Jackie Chan DCR Jota | 804 | 24:01:46.631 | 4606.1040 kms | 191.6986 | | 5th | P | 1:38.4800 | 98 | 209.4272 |
| 6th | 85 | Trummer / DeFrancesco / Cindric / Alon | Oreca 07 Gibson | JDC-Miller Motorsports | 798 | 24:01:45.423 | 4571.7280 kms | 190.2985 | | 6th | P | 1:38.9400 | 98 | 208.4535 |
| 7th | 99 | Simpson / Menezes / Miller / Goikhberg | Oreca 07 Gibson | JDC-Miller Motorsports | 798 | 24:01:46.326 | 4571.7280 kms | 190.2985 | | 7th | P | 1:38.5040 | 405 | 209.3757 |
| 8th | 38 | O'Ward / French / Masson / Miller | Oreca 07 Gibson | Performance Tech Motorsports | 796 | 24:01:36.798 | 4560.2700 kms | 189.7996 | | 8th | P | 1:38.5390 | 7 | 209.3016 |
| 9th | 7 | Castroneves / Taylor / Rahal | Acura ARX-05 | Acura Team Penske | 793 | 24:02:20.252 | 4543.0820 kms | 188.9998 | | 9th | P | 1:37.7580 | 301 | 210.9737 |
| 10th | 6 | Cameron / Montoya / Pagenaud | Acura ARX-05 | Acura Team Penske | 793 | 24:02:26.216 | 4543.0820 kms | 188.9998 | | 10th | P | 1:37.8780 | 774 | 210.7146 |
| 11th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 783 | 24:02:49.919 | 4485.8052 kms | 186.4988 | | 1st | GTLM | 1:44.0540 | 65 | 198.2084 |
| 12th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 783 | 24:03:01.099 | 4485.8052 kms | 186.4988 | | 2nd | GTLM | 1:44.0860 | 4 | 198.1473 |
| 13th | 3 | Magnussen / Rockenfeller / Garcia | Chevrolet Corvette C7.R | Corvette Racing | 781 | 24:02:34.301 | 4474.3472 kms | 186.0997 | | 3rd | GTLM | 1:44.5170 | 337 | 197.3297 |
| 14th | 4 | Gavin / Milner / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 780 | 24:01:42.198 | 4468.6172 kms | 185.9999 | | 4th | GTLM | 1:44.4370 | 618 | 197.4810 |
| 15th | 37 | Frijns / Rosenqvist / Stroll / Juncadella | Oreca 07 Gibson | Jackie Chan DCR Jota | 777 | 24:02:09.001 | 4451.4292 kms | 185.1985 | | 11th | P | 1:38.3150 | 353 | 209.7780 |
| 16th | 62 | Vilander / Calado / Rigon / Pier Guidi | Ferrari 488 GTE | Risi Competizione | 774 | 24:02:38.714 | 4434.2422 kms | 184.3986 | | 5th | GTLM | 1:44.0080 | 93 | 198.2953 |
| 17th | 912 | Vanthoor / Bruni / Bamber | Porsche 991 RSR | Porsche GT Team | 774 | 24:03:01.114 | 4434.2422 kms | 184.3986 | | 6th | GTLM | 1:44.9900 | 333 | 196.4414 |
| 18th | 24 | Farfus / Edwards / Catsburg / Krohn | BMW M8 GTLM | BMW Team RLL | 773 | 24:01:58.608 | 4428.5122 kms | 184.2989 | | 7th | GTLM | 1:45.2420 | 92 | 195.9698 |
| 19th | 52 | Yacaman / Saavedra / Gonzalez / Boulle | Ligier JS P217 Gibson | AFS/PR1 Mathiasen Motorsports | 771 | 24:02:18.375 | 4417.0542 kms | 183.6986 | | 12th | P | 1:39.4710 | 110 | 207.3398 |
| 20th | 911 | Pilet / Tandy / Makowiecki | Porsche 991 RSR | Porsche GT Team | 753 | 24:02:54.428 | 4313.9268 kms | 179.3984 | | 8th | GTLM | 1:44.5400 | 111 | 197.2863 |
| 21st | 11 | Bortolotti / Breukers / Ineichen / Perera | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 752 | 24:03:19.286 | 4308.1982 kms | 179.0991 | | 1st | GTD | 1:48.2070 | 23 | 190.6010 |
| 22nd | 86 | Parente / Legge / Allmendinger / Hindman | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 751 | 24:01:40.540 | 4302.4678 kms | 179.0991 | | 2nd | GTD | 1:48.3790 | 90 | 190.2985 |
| 23rd | 48 | Miller / Sellers / Caldarelli / Snow | Lamborghini Huracán GT3 | Paul Miller Racing | 751 | 24:02:02.051 | 4302.4678 kms | 178.9993 | | 3rd | GTD | 1:48.2700 | 160 | 190.4900 |
| 24th | 33 | Keating / Stolz / Bleekemolen / Christodoulou | Mercedes-AMG GT3 | Mercedes-AMG Team Riley Motorsports | 751 | 24:02:04.832 | 4302.4678 kms | 178.9993 | | 4th | GTD | 1:47.9640 | 95 | 191.0291 |
| 25th | 64 | Bird / Bell / Montecalvo / Sweedler | Ferrari 488 GT3 | Scuderia Corsa | 751 | 24:03:04.330 | 4302.4678 kms | 178.8995 | | 5th | GTD | 1:48.0250 | 151 | 190.9213 |
| 26th | 44 | Lally / Davis / Winkelhock / Potter | Audi R8 LMS GT3 | Magnus Racing | 750 | 24:01:57.365 | 4296.7388 kms | 178.7997 | | 6th | GTD | 1:48.1360 | 99 | 190.7250 |
| 27th | 29 | van der Linde / van der Linde / Mies / Schmidt | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 749 | 24:03:16.012 | 4291.0098 kms | 178.3990 | | 7th | GTD | 1:47.8960 | 394 | 191.1498 |
| 28th | 75 | Habul / Jäger / Engel / Grenier | Mercedes-AMG GT3 | SunEnergy1 Racing | 745 | 24:02:09.242 | 4268.0928 kms | 177.5992 | | 8th | GTD | 1:48.1350 | 69 | 190.7282 |
| 29th | 15 | Hawksworth / Farnbacher / Pruett / Heinemeier Hansson | Lexus RC F GT3 | 3GT Racing | 744 | 24:02:47.156 | 4262.3638 kms | 177.2998 | | 9th | GTD | 1:48.4170 | 121 | 190.2309 |
| 30th | 63 | Balzan / Jeannette / Segal / MacNeil | Ferrari 488 GT3 | Scuderia Corsa | 744 | 24:03:12.174 | 4262.3638 kms | 177.1984 | | 10th | GTD | 1:48.2970 | 224 | 190.4417 |
| 31st | 93 | Ledogar / Farnbacher / Aschenbach / Marks | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 741 | 24:01:40.556 | 4245.1758 kms | 176.6995 | | 11th | GTD | 1:48.2520 | 443 | 190.5206 |
| 32nd | 71 | Perez / Spinelli / Koch / Foley | Mercedes-AMG GT3 | P1 Motorsports | 741 | 24:03:10.784 | 4245.1758 kms | 176.4984 | | 12th | GTD | 1:48.0270 | 137 | 190.9181 |
| 33rd | 19 | Lenz / Engelhart / van Splunteren / Pérez Companc / Machiels | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 739 | 24:03:19.328 | 4233.7168 kms | 175.9995 | | 13th | GTD | 1:48.7510 | 504 | 189.6467 |
| 34th | 96 | Lawrence / Klingmann / Tomczyk / Yount / Kvamme | BMW M6 GT3 | Turner Motorsport | 733 | 24:03:00.316 | 4199.3418 kms | 174.5993 | | 14th | GTD | 1:48.6150 | 8 | 189.8849 |
| 35th | 25 | Sims / Eng / De Phillippi / Auberlen | BMW M8 GTLM | BMW Team RLL | 731 | 24:02:12.125 | 4187.8828 kms | 174.1986 | | 9th | GTLM | 1:45.0220 | 153 | 196.3802 |
| 36th | 14 | Frommenwiler / Baumann / Marcelli / Junqueira | Lexus RC F GT3 | 3GT Racing | 719 | 24:01:55.266 | 4119.1479 kms | 171.3983 | | 15th | GTD | 1:48.4580 | 6 | 190.1601 |
| 37th | 69 | Eversley / Rayhall / Gilsinger / Falb | Acura NSX GT3 | HART | 719 | 24:03:17.666 | 4119.1479 kms | 171.1988 | | 16th | GTD | 1:48.6030 | 124 | 189.9058 |
| 38th | 23 | Alonso / Norris / Hanson | Ligier JS P217 Gibson | United Autosports | 718 | 24:02:07.134 | 4113.4189 kms | 171.0990 | | 13th | P | 1:38.0110 | 610 | 210.4282 |
| 39th | 82 | Molina / Griffin / Fuentes / Pérez de Lara / Creel | Ferrari 488 GT3 | Risi Competizione | 715 | 24:01:48.009 | 4096.2310 kms | 170.4987 | | 17th | GTD | 1:47.9930 | 455 | 190.9776 |
| 40th | 73 | Pappas / Bergmeister / Siedler / Lindsey | Porsche 991 GT3 R | Park Place Motorsports | 675 | 24:01:42.745 | 3867.0601 kms | 160.8990 | | 18th | GTD | 1:48.9980 | 316 | 189.2170 |
| 41st | 58 | Renauer / Jaminet / Long / Nielsen | Porsche 991 GT3 R | Wright Motorsports | 666 | 24:02:44.425 | 3815.4971 kms | 158.6990 | | 19th | GTD | 1:48.4020 | 76 | 190.2583 |
| 42nd | 20 | Popow / Lux / Gaughan / Drumwright | Riley Mk.30 Gibson | BAR1 Motorsports | 642 | 24:02:21.565 | 3678.0110 kms | 152.9987 | | 14th | P | 1:41.7850 | 506 | 202.6261 |
| 43rd | 59 | Müller / Cairoli / Proczyk / Walls / Smith | Porsche 991 GT3 R | Manthey-Racing | 637 | 21:41:01.472 | 3649.3650 kms | 168.2988 | DNF | 20th | GTD | 1:47.6680 | 251 | 191.5554 |
| 44th | 51 | Serra / Lamy / Lauda / Dalla Lana | Ferrari 488 GT3 | Spirit of Race | 571 | 18:24:50.121 | 3271.2490 kms | 177.6989 | DNF | 21st | GTD | 1:47.6630 | 149 | 191.5634 |
| 45th | 10 | van der Zande / Taylor / Hunter-Reay | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 555 | 16:39:49.872 | 3179.5811 kms | 190.7990 | DNF | 15th | P | 1:37.9080 | 233 | 210.6503 |
| 46th | 55 | Bomarito / Tincknell / Pigot | Mazda RT24-P | Mazda Team Joest | 541 | 17:12:30.645 | 3099.3870 kms | 180.0985 | Fire | 16th | P | 1:38.1070 | 416 | 210.2222 |
| 47th | 77 | Jarvis / Rast / Nunez | Mazda RT24-P | Mazda Team Joest | 530 | 18:02:06.654 | 3036.3650 kms | 168.3985 | Gearbox | 17th | P | 1:38.1750 | 512 | 210.0773 |
| 48th | 22 | Lapierre / Derani / Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 438 | 13:00:08.952 | 2509.2891 kms | 192.9990 | Engine | 18th | P | 1:37.5700 | 156 | 211.3793 |
| 49th | 2 | Dalziel / Pla / Sharp | Nissan Onroak DPi | Tequila Patron ESM | 338 | 10:08:34.296 | 1936.3950 kms | 190.8988 | Gearbox | 19th | P | 1:37.9210 | 76 | 210.6213 |
| 50th | 90 | McMurry / Cheever / Vautier | Cadillac DPi-V.R | Spirit of Daytona Racing | 291 | 8:39:57.897 | 1667.1360 kms | 192.3987 | DNF | 20th | P | 1:37.9600 | 30 | 210.5376 |