| 1st | 10 | Taylor / Taylor / Lynn | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 348 | 12:01:09.681 | 2094.2561 kms | 174.1310 | | 1st | P | 1:49.9870 | 176 | 196.9837 |
| 2nd | 5 | Fittipaldi / Barbosa / Albuquerque | Cadillac DPi-V.R | Mustang Sampling Racing | 348 | 12:01:23.295 | 2094.2561 kms | 174.1310 | | 2nd | P | 1:50.4140 | 175 | 196.1790 |
| 3rd | 31 | Cameron / Conway / Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 346 | 12:01:47.156 | 2082.2180 kms | 173.0045 | | 3rd | P | 1:49.6290 | 100 | 197.4665 |
| 4th | 85 | Simpson / Goikhberg / Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 344 | 12:02:03.748 | 2070.1799 kms | 171.8779 | | 4th | P | 1:51.0050 | 6 | 195.0525 |
| 5th | 38 | French / O'Ward / Masson | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 338 | 12:02:02.243 | 2034.0820 kms | 168.9811 | | 1st | PC | 1:54.5490 | 172 | 189.0979 |
| 6th | 8 | Grist / Rayhall / Hanratty | Oreca FLM 09 Chevrolet | Starworks Motorsports | 336 | 12:02:50.196 | 2022.0439 kms | 167.6936 | | 2nd | PC | 1:56.2660 | 40 | 186.2011 |
| 7th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 334 | 12:01:22.097 | 2010.0060 kms | 167.0499 | | 1st | GTLM | 1:58.0920 | 325 | 183.4652 |
| 8th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 334 | 12:01:26.550 | 2010.0060 kms | 167.0499 | | 2nd | GTLM | 1:57.9700 | 320 | 183.4652 |
| 9th | 62 | Fisichella / Calado / Vilander | Ferrari 488 GTE | Risi Competizione | 334 | 12:01:35.640 | 2010.0060 kms | 167.0499 | | 3rd | GTLM | 1:58.5390 | 170 | 182.6605 |
| 10th | 67 | Briscoe / Westbrook / Dixon | Ford GT | Ford Chip Ganassi Racing | 334 | 12:01:43.201 | 2010.0060 kms | 167.0499 | | 4th | GTLM | 1:58.1380 | 109 | 183.3043 |
| 11th | 68 | Mücke / Pla / Johnson | Ford GT | Ford Chip Ganassi Team UK | 334 | 12:02:10.617 | 2010.0060 kms | 166.8890 | | 5th | GTLM | 1:57.8980 | 46 | 183.7871 |
| 12th | 25 | Sims / Auberlen / Wittmer | BMW M6 GTLM | BMW Team RLL | 334 | 12:02:40.388 | 2010.0060 kms | 166.8890 | | 6th | GTLM | 1:58.8620 | 47 | 182.1777 |
| 13th | 911 | Werner / Pilet / Makowiecki | Porsche 991 RSR | Porsche GT Team | 334 | 12:02:57.679 | 2010.0060 kms | 166.7280 | | 7th | GTLM | 1:57.7640 | 319 | 183.9480 |
| 14th | 912 | Estre / Lietz / Vanthoor | Porsche 991 RSR | Porsche GT Team | 332 | 12:01:58.356 | 1997.9680 kms | 165.9234 | | 8th | GTLM | 1:58.3760 | 315 | 182.9824 |
| 15th | 26 | Yacaman / Thompson / Ducote / Drumwright | Oreca FLM 09 Chevrolet | BAR 1 Motorsports | 328 | 12:02:54.193 | 1973.8929 kms | 163.6703 | | 3rd | PC | 1:55.5580 | 7 | 187.4886 |
| 16th | 33 | Keating / Bleekemolen / Farnbacher | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 325 | 12:03:15.173 | 1955.8361 kms | 162.2219 | | 1st | GTD | 2:01.6290 | 76 | 177.9934 |
| 17th | 63 | Nielsen / Cressoni / Balzan | Ferrari 488 GT3 | Scuderia Corsa | 324 | 12:01:17.616 | 1949.8170 kms | 162.0609 | | 2nd | GTD | 2:01.8140 | 63 | 177.8325 |
| 18th | 75 | Said / Habul / Vautier | Mercedes-AMG GT3 | SunEnergy1 Racing | 324 | 12:01:21.397 | 1949.8170 kms | 162.0609 | | 3rd | GTD | 2:01.9270 | 177 | 177.6716 |
| 19th | 29 | De Phillippi / Mies / Gounon | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 324 | 12:01:22.978 | 1949.8170 kms | 162.0609 | | 4th | GTD | 2:02.1280 | 6 | 177.3497 |
| 20th | 48 | Snow / Sellers / von Moltke | Lamborghini Huracán GT3 | Paul Miller Racing | 324 | 12:01:24.496 | 1949.8170 kms | 162.0609 | | 5th | GTD | 2:02.2150 | 312 | 177.1888 |
| 21st | 73 | McMurry / Lindsey / Bergmeister / Heylen | Porsche 991 GT3 R | Park Place Motorsports | 324 | 12:01:41.377 | 1949.8170 kms | 162.0609 | | 6th | GTD | 2:02.9820 | 312 | 176.0622 |
| 22nd | 57 | Davis / Aschenbach / Bell | Audi R8 LMS GT3 | Stevenson Motorsports | 324 | 12:01:56.097 | 1949.8170 kms | 162.0609 | | 7th | GTD | 2:01.9910 | 305 | 177.5107 |
| 23rd | 86 | Negri / Segal / Dyer | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 324 | 12:01:57.160 | 1949.8170 kms | 161.9000 | | 8th | GTD | 2:03.1230 | 49 | 175.9013 |
| 24th | 11 | Bortolotti / Antinucci / Engelhart / Ineichen | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 323 | 11:59:23.452 | 1943.7980 kms | 162.0609 | DNF | 9th | GTD | 2:02.1360 | 166 | 177.3497 |
| 25th | 28 | Morad / Pumpelly / Christensen / de Quesada | Porsche 991 GT3 R | Alegra Motorsports | 323 | 12:01:36.607 | 1943.7980 kms | 161.5781 | | 10th | GTD | 2:02.6870 | 100 | 176.5450 |
| 26th | 16 | Lewis / Mul / Sandberg | Lamborghini Huracán GT3 | Change Racing | 322 | 11:57:11.941 | 1937.7950 kms | 162.0609 | DNF | 11th | GTD | 2:02.1840 | 26 | 177.1888 |
| 27th | 46 | Collard / Babini / Beretta / Busnelli | Lamborghini Huracán GT3 | Ebimotors | 322 | 12:02:18.421 | 1937.7950 kms | 160.9344 | | 12th | GTD | 2:02.4130 | 64 | 176.8669 |
| 28th | 15 | Alon / Hawksworth / Cindric | Lexus RCF GT3 | 3GT Racing | 320 | 12:01:40.467 | 1925.7570 kms | 159.9688 | | 13th | GTD | 2:01.6740 | 98 | 177.9934 |
| 29th | 55 | Bomarito / Pigot / Nunez | Mazda RT24-P | Mazda Motorsports | 319 | 12:01:27.955 | 1919.7380 kms | 159.6469 | | 5th | P | 1:52.0160 | 152 | 193.2822 |
| 30th | 93 | Wilkins / Legge / Lally | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 318 | 12:01:57.577 | 1913.7190 kms | 158.8423 | | 14th | GTD | 2:02.5420 | 143 | 176.7060 |
| 31st | 23 | Bell / Montecalvo / Sweedler | Audi R8 LMS GT3 | Alex Job Racing | 309 | 12:02:13.511 | 1859.5490 kms | 154.4970 | | 15th | GTD | 2:03.3200 | 141 | 175.5794 |
| 32nd | 20 | Rice / Burkett / Yount / Kvamme | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 302 | 12:01:26.274 | 1817.4320 kms | 151.1174 | | 4th | PC | 1:57.6190 | 4 | 184.1090 |
| 33rd | 54 | Bennett / Braun / Jönsson | Porsche 991 GT3 R | Core Autosport | 283 | 10:49:17.571 | 1703.0880 kms | 157.3938 | DNF | 16th | GTD | 2:02.2600 | 161 | 177.1888 |
| 34th | 18 | Gdovic / Anassis / Massari | Lamborghini Huracán GT3 | DAC Motorsports | 282 | 12:02:19.387 | 1697.0690 kms | 140.9785 | | 17th | GTD | 2:04.0540 | 162 | 174.4529 |
| 35th | 14 | Pruett / Karam / James | Lexus RCF GT3 | 3GT Racing | 269 | 12:02:24.232 | 1618.8390 kms | 134.3802 | | 18th | GTD | 2:02.0520 | 251 | 177.3497 |
| 36th | 27 | Sbirrazzuoli / Ruberti / Persiani | Lamborghini Huracán GT3 | Dream Racing Motorsport | 255 | 9:24:08.436 | 1534.5740 kms | 163.1875 | DNF | 19th | GTD | 2:02.3130 | 4 | 177.0278 |
| 37th | 90 | van der Zande / Rast / Goossens | Riley Mk.30 Gibson | VisitFlorida Racing | 241 | 12:02:56.326 | 1450.3250 kms | 120.3789 | | 6th | P | 1:51.1740 | 22 | 194.8916 |
| 38th | 96 | Marks / Krohn / Klingmann | BMW M6 GT3 | Turner Motorsport | 228 | 8:58:25.900 | 1372.0940 kms | 152.8877 | DNF | 20th | GTD | 2:02.2600 | 149 | 177.1888 |
| 39th | 52 | Gutierrez / Kimber-Smith / Guasch | Ligier JS P217 Gibson | PR1/Mathiasen Motorsports | 205 | 11:07:06.921 | 1233.6750 kms | 110.8838 | DNF | 7th | P | 1:50.7920 | 5 | 195.3744 |
| 40th | 70 | Miller / Franchitti / Long | Mazda RT24-P | Mazda Motorsports | 180 | 7:42:48.469 | 1083.2330 kms | 140.3348 | DNF | 8th | P | 1:52.1050 | 138 | 193.2822 |
| 41st | 13 | Jani / Buemi / Heidfeld | Oreca 07 Gibson | Rebellion Racing | 167 | 10:17:26.634 | 1005.0030 kms | 97.6872 | DNF | 9th | P | 1:50.2450 | 108 | 196.3400 |
| 42nd | 22 | Hartley / Senna / Van Overbeek / Brown | Nissan Onroak DPi | Tequila Patron ESM | 158 | 5:24:58.800 | 950.8326 kms | 175.5794 | DNF | 10th | P | 1:50.9530 | 6 | 195.2134 |
| 43rd | 24 | Catsburg / Tomczyk / Edwards | BMW M6 GTLM | BMW Team RLL | 149 | 5:35:13.811 | 896.6782 kms | 160.4516 | DNF | 9th | GTLM | 1:59.1330 | 5 | 181.8559 |
| 44th | 50 | MacNeil / Van Gisbergen / Jeannette | Mercedes-AMG GT3 | Riley Motorsports - WeatherTech Racing | 132 | 5:52:34.911 | 794.3722 kms | 135.1849 | DNF | 21st | GTD | 2:01.8600 | 90 | 177.6716 |
| 45th | 2 | Derani / Dalziel | Nissan Onroak DPi | Tequila Patron ESM | 47 | 6:07:11.347 | 282.8422 kms | 46.1882 | DNF | 11th | P | 1:51.0830 | 6 | 194.8916 |
| 46th | 4 | Milner | Chevrolet Corvette C7.R | Corvette Racing | 42 | 1:33:14.483 | 252.7475 kms | 162.5437 | DNF | 10th | GTLM | 1:58.1890 | 7 | 183.1434 |