| 1st | 60 | Pla / Pew / Negri | Ligier JS P2 Honda HPD | Michael Shank Racing w/Curb-Agajanian | 412 | 10:00:30.023 | 1684.1300 kms | 168.1765 | | 1st | P | 1:13.4780 | 244 | 200.2024 |
| 2nd | 2 | Van Overbeek / Sharp / Derani | Ligier JS P2 Honda HPD | Tequila Patron ESM | 412 | 10:00:33.547 | 1684.1300 kms | 168.1765 | | 2nd | P | 1:14.1940 | 410 | 198.2712 |
| 3rd | 10 | Taylor / Taylor / Angelelli | Chevrolet Corvette DP | No. 10 Konica Minolta Corvette DP for Wayne Taylor Racing | 412 | 10:00:41.768 | 1684.1300 kms | 168.1765 | | 3rd | P | 1:14.6600 | 243 | 196.9837 |
| 4th | 31 | Cameron / Curran / Pagenaud | Chevrolet Corvette DP | Action Express Racing | 412 | 10:00:44.281 | 1684.1300 kms | 168.1765 | | 4th | P | 1:14.2600 | 74 | 198.1102 |
| 5th | 5 | Fittipaldi / Barbosa / Albuquerque | Chevrolet Corvette DP | Action Express Racing | 410 | 10:01:02.073 | 1675.9550 kms | 167.2108 | | 5th | P | 1:14.4070 | 201 | 197.6274 |
| 6th | 52 | Alon / Gutierrez / Kimber-Smith | Oreca FLM 09 Chevrolet | PR1/Mathiasen Motorsports | 404 | 10:00:58.003 | 1651.4280 kms | 164.7968 | | 1st | PC | 1:16.7030 | 201 | 191.8338 |
| 7th | 38 | Koch / French / Marcelli | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 403 | 10:00:31.905 | 1647.3409 kms | 164.4749 | | 2nd | PC | 1:16.6550 | 264 | 191.8338 |
| 8th | 70 | Long / Miller / Pigot | Mazda Prototype | Mazda Motorsports | 401 | 9:44:52.907 | 1639.1650 kms | 168.1765 | DNF | 6th | P | 1:14.2350 | 263 | 198.1102 |
| 9th | 62 | Vilander / Fisichella / Calado | Ferrari 488 GTE | Risi Competizione | 398 | 10:01:18.846 | 1626.9020 kms | 162.2219 | | 1st | GTLM | 1:18.7490 | 150 | 186.8448 |
| 10th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 398 | 10:01:34.464 | 1626.9020 kms | 162.2219 | | 2nd | GTLM | 1:18.7740 | 150 | 186.6839 |
| 11th | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 398 | 10:01:37.286 | 1626.9020 kms | 162.2219 | | 3rd | GTLM | 1:18.7490 | 311 | 186.8448 |
| 12th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 397 | 10:01:28.728 | 1622.8140 kms | 161.7391 | | 4th | GTLM | 1:18.9120 | 72 | 186.3620 |
| 13th | 85 | Miller / Goikhberg / Simpson | Oreca FLM 09 Chevrolet | JDC-Miller Motorsports | 395 | 10:01:19.278 | 1614.6390 kms | 161.0953 | | 3rd | PC | 1:16.8370 | 301 | 191.5119 |
| 14th | 912 | Bamber / Makowiecki / Christensen | Porsche 991 RSR | Porsche North America | 395 | 10:01:38.762 | 1614.6390 kms | 160.9344 | | 5th | GTLM | 1:19.4170 | 236 | 185.2355 |
| 15th | 88 | Kvamme / Hanratty / Bradley | Oreca FLM 09 Chevrolet | Starworks Motorsport | 393 | 10:01:10.563 | 1606.4630 kms | 160.2907 | | 4th | PC | 1:17.7240 | 192 | 189.2589 |
| 16th | 100 | Edwards / Luhr / Wittmer | BMW M6 GTLM | BMW Team RLL | 391 | 10:01:41.946 | 1598.2880 kms | 159.3251 | | 6th | GTLM | 1:18.8850 | 297 | 186.5230 |
| 17th | 33 | Bleekemolen / Keating / Miller | Dodge Viper GT3-R | Riley Motorsports | 385 | 10:01:40.748 | 1573.7610 kms | 156.7501 | | 1st | GTD | 1:21.5170 | 318 | 180.4075 |
| 18th | 63 | Nielsen / Balzan / Segal | Ferrari 488 GT3 | Scuderia Corsa | 384 | 10:01:41.392 | 1573.7610 kms | 156.7501 | | 2nd | GTD | 1:21.1620 | 318 | 181.2121 |
| 19th | 97 | Marsal / Palttala / Lawrence | BMW M6 GT3 | Turner Motorsport | 384 | 10:01:44.987 | 1569.6740 kms | 156.7501 | | 3rd | GTD | 1:21.9040 | 43 | 179.6028 |
| 20th | 48 | Snow / Sellers / Miller | Lamborghini Huracán GT3 | Paul Miller Racing | 383 | 10:00:33.309 | 1569.6740 kms | 156.4282 | | 4th | GTD | 1:21.8260 | 190 | 179.7637 |
| 21st | 9 | Aschenbach / Bell / von Moltke | Audi R8 LMS GT3 | Stevenson Motorsports | 383 | 10:01:12.123 | 1569.6740 kms | 156.4282 | | 5th | GTD | 1:21.8520 | 265 | 179.7637 |
| 22nd | 27 | Ruberti / Persiani / Sbirrazzuoli | Lamborghini Huracán GT3 | Dream Racing Motorsport | 383 | 10:01:52.695 | 1565.5861 kms | 156.2673 | | 6th | GTD | 1:22.1570 | 105 | 178.9590 |
| 23rd | 6 | Liddell / Davis / Skeen | Audi R8 LMS GT3 | Stevenson Motorsports | 382 | 10:01:45.303 | 1565.5861 kms | 156.1064 | | 7th | GTD | 1:22.2880 | 45 | 178.7981 |
| 24th | 20 | Drissi / Yount / Mowlem | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 379 | 10:01:04.519 | 1565.5861 kms | 155.9454 | | 5th | PC | 1:17.1050 | 195 | 190.7073 |
| 25th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 372 | 10:01:47.623 | 1561.4980 kms | 155.6236 | | 7th | GTLM | 1:18.7090 | 5 | 186.8448 |
| 26th | 23 | James / Riberas / Farnbacher | Porsche 991 GT3 R | Team Seattle / Alex Job Racing | 366 | 10:01:45.866 | 1549.2350 kms | 154.4970 | | 8th | GTD | 1:21.5460 | 279 | 180.4075 |
| 27th | 96 | Curtis / Freiberg / Klingmann | BMW M6 GT3 | Turner Motorsport | 364 | 9:33:19.985 | 1520.6210 kms | 151.4393 | DNF | 9th | GTD | 1:21.4250 | 45 | 180.5684 |
| 28th | 68 | Bertolini / Serra / Pier Guidi | Ferrari 488 GTE | Scuderia Corsa | 350 | 9:00:16.871 | 1496.0940 kms | 149.1862 | DNF | 8th | GTLM | 1:18.7720 | 307 | 186.6839 |
| 29th | 16 | Lewis / Pumpelly / Antinucci | Lamborghini Huracán GT3 | Change Racing | 350 | 10:01:54.316 | 1487.9189 kms | 155.6236 | | 10th | GTD | 1:21.8030 | 213 | 179.7637 |
| 30th | 44 | Potter / Lally / Seefried | Audi R8 LMS GT3 | Magnus Racing | 349 | 10:01:38.324 | 1430.6910 kms | 158.8423 | | 11th | GTD | 1:21.3670 | 317 | 180.7293 |
| 31st | 73 | McMurry / Bergmeister / Lindsey | Porsche 991 GT3 R | Park Place Motorsports | 348 | 10:00:34.022 | 1430.6910 kms | 142.5879 | | 12th | GTD | 1:22.0460 | 341 | 179.2809 |
| 32nd | 25 | Farfus / Auberlen / Werner | BMW M6 GTLM | BMW Team RLL | 317 | 8:33:44.012 | 1295.7960 kms | 151.2783 | DNF | 9th | GTLM | 1:18.9840 | 237 | 186.2011 |
| 33rd | 8 | Popow / van der Zande / Heinemeier Hansson | Oreca FLM 09 Chevrolet | Starworks Motorsport | 287 | 7:45:44.968 | 1173.1630 kms | 150.9565 | DNF | 6th | PC | 1:16.9210 | 229 | 191.1901 |
| 34th | 911 | Tandy / Pilet / Lietz | Porsche 991 RSR | Porsche North America | 229 | 10:00:47.477 | 936.0750 kms | 93.3419 | | 10th | GTLM | 1:19.4870 | 196 | 185.0746 |
| 35th | 90 | Dalziel / Goossens / Hunter-Reay | Chevrolet Corvette DP | VisitFlorida Racing | 198 | 7:44:45.392 | 809.3552 kms | 104.4464 | DNF | 7th | P | 1:14.7740 | 108 | 196.6618 |
| 36th | 0 | Meyrick / Legge / Rayhall | DeltaWing DWC13 | Panoz DeltaWing Racing | 169 | 3:58:09.837 | 690.8109 kms | 173.9701 | DNF | 8th | P | 1:15.0680 | 58 | 196.0181 |
| 37th | 55 | Nunez / Bomarito / Pigot | Mazda Prototype | Mazda Motorsports | 114 | 2:52:08.594 | 465.9855 kms | 162.3828 | DNF | 9th | P | 1:14.1970 | 3 | 198.2712 |
| 38th | 7 | Coletti / Davison / Lall | Oreca FLM 09 Chevrolet | Starworks Motorsport | 50 | 1:49:40.230 | 204.3706 kms | 111.6885 | DNF | 7th | PC | 1:17.3950 | 8 | 190.0635 |