| 1st | 2 | Derani / Sharp / Brown / Van Overbeek | Ligier JS P2 Honda HPD | Tequila Patrón ESM | 736 | 24:00:34.607 | 4216.7388 kms | 175.6277 | | 1st | P | 1:39.1920 | 6 | 207.9337 |
| 2nd | 10 | Taylor / Taylor / Angelelli / Barrichello | Chevrolet Corvette DP | No. 10 Konica Minolta Corvette DP for Wayne Taylor Racing | 736 | 24:01:00.773 | | | | 2nd | P | 1:40.4040 | 538 | 205.4231 |
| 3rd | 90 | Dalziel / Goossens / Hunter-Reay | Chevrolet Corvette DP | VisitFlorida Racing | 736 | 24:02:01.883 | | | | 3rd | P | 1:40.8290 | 658 | 204.5573 |
| 4th | 5 | Barbosa / Fittipaldi / Albuquerque / Pruett | Chevrolet Corvette DP | Action Express Racing | 731 | 24:02:20.794 | | | | 4th | P | 1:40.6260 | 197 | 204.9709 |
| 5th | 01 | Wurz / Stroll / Hartley / Priaulx | Riley DP Ford EcoBoost | Ford Chip Ganassi Racing | 725 | 24:00:48.591 | | | | 5th | P | 1:40.1160 | 716 | 206.0153 |
| 6th | 31 | Curran / Cameron / Pagenaud / Adam | Chevrolet Corvette DP | Action Express Racing | 724 | 24:01:54.052 | | | | 6th | P | 1:40.3720 | 382 | 205.4891 |
| 7th | 4 | Gavin / Fässler / Milner | Chevrolet Corvette C7.R | Corvette Racing | 722 | 24:02:07.335 | 4136.5288 kms | 172.1016 | | 1st | GTLM | 1:44.5630 | 702 | 197.2525 |
| 8th | 3 | Magnussen / Garcia / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 722 | 24:02:07.369 | | | | 2nd | GTLM | 1:44.0120 | 707 | 198.2985 |
| 9th | 912 | Makowiecki / Bamber / Christensen | Porsche 991 RSR | Porsche North America | 722 | 24:02:20.198 | | | | 3rd | GTLM | 1:44.5990 | 706 | 197.1849 |
| 10th | 68 | Pier Guidi / Prémat / Serra / Rojas | Ferrari 488 GTE | Scuderia Corsa | 721 | 24:01:23.671 | | | | 4th | GTLM | 1:44.5890 | 333 | 197.2042 |
| 11th | 25 | Farfus / Werner / Auberlen / Spengler | BMW M6 GTLM | BMW Team RLL | 721 | 24:02:03.239 | | | | 5th | GTLM | 1:44.8440 | 512 | 196.7246 |
| 12th | 62 | Vilander / Fisichella / Rigon / Beretta | Ferrari 488 GTE | Risi Competizione | 709 | 24:00:46.184 | | | | 6th | GTLM | 1:45.0630 | 333 | 196.3142 |
| 13th | 02 | Dixon / Kanaan / McMurray / Larson | Riley Mk XXVI Ford | Ford Chip Ganassi Racing | 708 | 24:01:18.616 | | | | 7th | P | 1:39.9280 | 401 | 206.4016 |
| 14th | 44 | Lally / Potter / Seefried / Rast | Audi R8 LMS GT3 | Magnus Racing | 703 | 24:01:51.983 | 4027.6731 kms | 167.6019 | | 1st | GTD | 1:47.2160 | 433 | 192.3713 |
| 15th | 540 | Pappas / Pilgrim / Catsburg / Long | Porsche 991 GT3 R | Black Swan Racing | 703 | 24:01:55.031 | | | | 2nd | GTD | 1:47.4160 | 675 | 192.0141 |
| 16th | 93 | Faulkner / Keating / Robinson / Mosing / Foss | Dodge Viper GT3-R | Riley Motorsports | 703 | 24:01:57.042 | | | | 3rd | GTD | 1:47.8200 | 696 | 191.2947 |
| 17th | 98 | Stanaway / Dalla Lana / Lamy / Lauda | Aston Martin Vantage GT3 | Aston Martin Racing | 702 | 24:00:45.260 | | | | 4th | GTD | 1:47.3870 | 374 | 192.0656 |
| 18th | 85 | Simpson / Miller / Goikhberg / Koch | Oreca FLM 09 Chevrolet | JDC-Miller Motorsports | 702 | 24:00:52.792 | 4021.9441 kms | 167.4780 | | 1st | PC | 1:42.8930 | 286 | 200.4551 |
| 19th | 97 | Krohn / Palttala / Marsal / Martin | BMW M6 GT3 | Turner Motorsport | 701 | 24:00:44.239 | | | | 5th | GTD | 1:48.1400 | 547 | 190.7282 |
| 20th | 63 | Segal / Nielsen / Balzan / Renauer | Ferrari 458 GT3 | Scuderia Corsa | 701 | 24:01:44.293 | | | | 6th | GTD | 1:47.7370 | 164 | 191.4411 |
| 21st | 9 | von Moltke / Habul / Said / Vautier | Audi R8 LMS GT3 | Stevenson Motorsports | 701 | 24:02:18.474 | | | | 7th | GTD | 1:48.2970 | 198 | 190.4514 |
| 22nd | 23 | James / Riberas / Farnbacher / Henzler | Porsche 991 GT3 R | Team Seattle / Alex Job Racing | 700 | 24:01:10.510 | | | | 8th | GTD | 1:47.1670 | 440 | 192.4598 |
| 23rd | 33 | Bleekemolen / Keating / Farnbacher / Miller | Dodge Viper GT3-R | Riley Motorsports | 700 | 24:01:58.457 | | | | 9th | GTD | 1:47.9290 | 167 | 191.1016 |
| 24th | 28 | Basseng / Ineichen / Konrad / Willsey / Babini | Lamborghini Huracán GT3 | Konrad Motorsport | 699 | 24:01:15.385 | | | | 10th | GTD | 1:46.4240 | 516 | 193.8036 |
| 25th | 52 | Kimber-Smith / Alon / Gutierrez / Boulle | Oreca FLM 09 Chevrolet | PR1/Mathiasen Motorsports | 698 | 24:00:40.632 | | | | 2nd | PC | 1:42.8500 | 646 | 200.5387 |
| 26th | 51 | Giammaria / Mann / Cressoni / Cioci | Ferrari 458 | Spirit of Race | 698 | 24:01:10.114 | | | | 11th | GTD | 1:47.7480 | 422 | 191.4218 |
| 27th | 30 | Müller / Stippler / Abbelen / Huisman / Schmitz | Porsche 991 GT3 R | Frikadelli Racing | 698 | 24:01:40.579 | | | | 12th | GTD | 1:47.0360 | 67 | 192.6948 |
| 28th | 22 | Keen / MacNeil / MacNeil / Van Gisbergen / Jeannette | Porsche 991 GT3 R | Alex Job Racing | 695 | 24:01:40.499 | | | | 13th | GTD | 1:47.1680 | 569 | 192.4582 |
| 29th | 20 | Mowlem / Drissi / Drumwright / Vera / Gaughan | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 693 | 24:02:25.556 | | | | 3rd | PC | 1:44.2630 | 505 | 197.8206 |
| 30th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 690 | 24:00:46.447 | | | | 7th | GTLM | 1:44.9790 | 62 | 196.4719 |
| 31st | 6 | Davis / Liddell / Aschenbach / Bell | Audi R8 LMS GT3 | Stevenson Motorsports | 690 | 24:01:56.979 | | | | 14th | GTD | 1:47.6470 | 387 | 191.6021 |
| 32nd | 11 | Bell / Sweedler / Piscopo / Antinucci | Lamborghini Huracán GT3 | O'Gara Motorsport | 687 | 24:00:54.774 | | | | 15th | GTD | 1:45.8730 | 520 | 194.8127 |
| 33rd | 911 | Tandy / Pilet / Estre | Porsche 991 RSR | Porsche North America | 687 | 24:02:16.405 | | | | 8th | GTLM | 1:44.6620 | 456 | 197.0658 |
| 34th | 8 | van der Zande / Popow / Cumming | Oreca FLM 09 Chevrolet | Starworks Motorsport | 685 | 24:01:31.659 | | | | 4th | PC | 1:43.1240 | 280 | 200.0061 |
| 35th | 48 | Miller / Bortolotti / Sellers / Snow | Lamborghini Huracán GT3 | Paul Miller Racing | 652 | 24:02:08.911 | | | | 16th | GTD | 1:46.5200 | 221 | 193.6282 |
| 36th | 50 | Schroeder / Defoor / Hinton / Grüber / Pace | Riley DP BMW Power | Highway to Help | 650 | 24:01:42.311 | | | | 8th | P | 1:43.8060 | 83 | 198.6912 |
| 37th | 37 | Aleshin / Minassian / Mediani / Ladygin | BR 01 Nissan | SMP Racing | 617 | 24:00:36.776 | | | | 9th | P | 1:40.9790 | 421 | 204.2531 |
| 38th | 26 | Eversley / Merzon / Yount / Lewis / Falb | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 610 | 24:02:06.384 | | | | 5th | PC | 1:44.5630 | 126 | 197.2525 |
| 39th | 67 | Briscoe / Westbrook / Mücke | Ford GT | Ford Chip Ganassi Racing | 560 | 24:01:20.104 | | | | 9th | GTLM | 1:44.3910 | 46 | 197.5775 |
| 40th | 72 | Bruni / Bertolini / Shaytar / Calado | Ferrari 488 GTE | SMP Racing | 557 | 18:54:20.516 | | | DNF | 10th | GTLM | 1:44.6390 | 172 | 197.1092 |
| 41st | 73 | McMurry / Lindsey / Siedler / Bergmeister | Porsche 991 GT3 R | Park Place Motorsports | 524 | 24:01:01.191 | | | | 17th | GTD | 1:47.4550 | 435 | 191.9448 |
| 42nd | 16 | Grala / Pumpelly / Lewis / Marks | Lamborghini Huracán GT3 | Change Racing | 521 | 24:01:59.225 | | | | 18th | GTD | 1:46.2260 | 246 | 194.1641 |
| 43rd | 45 | Krohn / Kaffer / Jönsson / Haase | Audi R8 | Flying Lizard Motorsports | 513 | 20:00:23.521 | | | DNF | 19th | GTD | 1:47.4040 | 293 | 192.0350 |
| 44th | 007 | Davison / Creel / Pérez / Pérez de Lara / Viljoen | Aston Martin V12 Vantage GT3 | TRG-AMR | 390 | 13:53:26.022 | | | DNF | 20th | GTD | 1:48.0120 | 344 | 190.9535 |
| 45th | 38 | French / Norman / Norman / Gdovic | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 385 | 20:25:48.048 | | | DNF | 6th | PC | 1:43.9280 | 277 | 198.4579 |
| 46th | 100 | Edwards / Luhr / Wittmer / Rahal | BMW M6 GTLM | BMW Team RLL | 360 | 12:23:43.968 | | | DNF | 11th | GTLM | 1:44.6060 | 360 | 197.1720 |
| 47th | 21 | Busnelli / Michaelian / Toussaint / Willsey | Lamborghini Huracán GT3 | Konrad Motorsport | 356 | 13:53:51.327 | | | DNF | 21st | GTD | 1:48.5770 | 92 | 189.9605 |
| 48th | 96 | Curtis / Freiberg / Klingmann / Wittmann | BMW M6 GT3 | Turner Motorsport | 628 | 24:00:44.937 | | | | 22nd | GTD | 1:48.1220 | 478 | 190.7604 |
| 49th | 55 | Nunez / Bomarito / Pigot | Mazda Prototype | Mazda Motorsports | 327 | 11:03:05.048 | | | DNF | 10th | P | 1:40.4450 | 173 | 205.3394 |
| 50th | 60 | Negri / Pew / Allmendinger / Pla | Ligier JS P2 Honda HPD | Michael Shank Racing w/Curb-Agajanian | 285 | 9:29:31.285 | | | DNF | 11th | P | 1:39.3560 | 5 | 207.5909 |
| 51st | 88 | Johnston / Kvamme / Rosenqvist | Oreca FLM 09 Chevrolet | Starworks Motorsport | 179 | 6:57:20.307 | | | DNF | 7th | PC | 1:44.4690 | 59 | 197.4311 |
| 52nd | 54 | Bennett / Braun / Wilkins / Plowman | Oreca FLM 09 Chevrolet | Core Autosport | 160 | 5:17:53.657 | | | DNF | 8th | PC | 1:43.6900 | 131 | 198.9133 |
| 53rd | 0 | Meyrick / Legge / Rayhall / Wirth | DeltaWing DWC13 Elan | Panoz DeltaWing Racing | 119 | 3:42:18.022 | | | DNF | 12th | P | 1:39.8740 | 24 | 206.5143 |
| 54th | 70 | Long / Miller / Devlin | Mazda Prototype | Mazda Motorsports | 11 | 19:00.447 | | | DNF | 13th | P | 1:42.3330 | 7 | 201.5510 |