| 1st | 2 | Derani / Sharp / Brown / Van Overbeek | Ligier JS P2 Honda HPD | Tequila Patrón ESM | 238 | 12:00:59.881 | 1432.5090 kms | 119.2105 | | 1st | P | 1:52.4190 | 37 | 192.7447 |
| 2nd | 31 | Curran / Cameron / Pruett | Chevrolet Corvette DP | Action Express Racing | 238 | 12:01:02.807 | | | | 2nd | P | 1:52.8680 | 129 | 191.9787 |
| 3rd | 5 | Barbosa / Fittipaldi / Albuquerque / Pruett | Chevrolet Corvette DP | Action Express Racing | 238 | 12:01:03.821 | | | | 3rd | P | 1:53.1830 | 221 | 191.4444 |
| 4th | 81 | Minassian / Hedman / Lapierre | Oreca 05 Nissan | DragonSpeed | 238 | 12:01:04.220 | | | | 4th | P | 1:52.5880 | 143 | 192.4550 |
| 5th | 90 | Goossens / Dalziel / Hunter-Reay | Chevrolet Corvette DP | VisitFlorida Racing | 238 | 12:01:17.959 | | | | 5th | P | 1:53.5110 | 161 | 190.8907 |
| 6th | 55 | Nunez / Bomarito / Pigot | Mazda Prototype | Mazda Motorsports | 238 | 12:01:29.616 | | | | 6th | P | 1:53.4150 | 12 | 191.0517 |
| 7th | 60 | Pla / Pew / Negri | Ligier JS P2 Honda HPD | Michael Shank Racing w/Curb-Agajanian | 237 | 12:00:02.558 | | | | 7th | P | 1:52.3970 | 38 | 192.7833 |
| 8th | 70 | Long / Miller / Devlin / Ihara | Mazda Prototype | Mazda Motorsports | 237 | 12:01:31.680 | | | | 8th | P | 1:54.1340 | 14 | 189.8495 |
| 9th | 54 | Bennett / Braun / Wilkins | Oreca FLM 09 Chevrolet | Core Autosport | 236 | 12:01:22.178 | 1420.4709 kms | 118.1484 | | 1st | PC | 1:55.5450 | 141 | 187.5304 |
| 10th | 52 | Kimber-Smith / Gutierrez / Alon | Oreca FLM 09 Chevrolet | PR1/Mathiasen Motorsports | 236 | 12:01:23.460 | | | | 2nd | PC | 1:55.7360 | 131 | 187.2214 |
| 11th | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 235 | 12:02:02.515 | 1414.4530 kms | 117.5384 | | 1st | GTLM | 1:59.4710 | 11 | 181.3682 |
| 12th | 25 | Auberlen / Werner / Spengler | BMW M6 GTLM | BMW Team RLL | 235 | 12:02:05.397 | | | | 2nd | GTLM | 1:59.1820 | 7 | 181.8076 |
| 13th | 912 | Makowiecki / Bamber / Christensen | Porsche 991 RSR | Porsche North America | 235 | 12:02:07.630 | | | | 3rd | GTLM | 1:59.6670 | 9 | 181.0705 |
| 14th | 62 | Vilander / Fisichella / Rigon | Ferrari 488 GTE | Risi Competizione | 235 | 12:02:20.587 | | | | 4th | GTLM | 1:59.8830 | 140 | 180.7454 |
| 15th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 235 | 12:02:35.077 | | | | 5th | GTLM | 1:59.6510 | 131 | 181.0947 |
| 16th | 100 | Edwards / Luhr / Wittmer | BMW M6 GTLM | BMW Team RLL | 235 | 12:02:42.363 | | | | 6th | GTLM | 1:59.4150 | 7 | 181.4535 |
| 17th | 8 | van der Zande / Popow / Heinemeier Hansson | Oreca FLM 09 Chevrolet | Starworks Motorsport | 233 | 12:01:55.599 | | | | 3rd | PC | 1:56.4540 | 211 | 186.0659 |
| 18th | 68 | Bertolini / Serra / Pier Guidi | Ferrari 488 GTE | Scuderia Corsa | 233 | 12:02:23.049 | | | | 7th | GTLM | 1:59.7250 | 10 | 180.9836 |
| 19th | 85 | Goikhberg / Miller / Simpson / Koch | Oreca FLM 09 Chevrolet | JDC-Miller Motorsports | 232 | 12:01:27.167 | | | | 4th | PC | 1:56.5330 | 20 | 185.9404 |
| 20th | 38 | French / Marcelli / Norman | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 231 | 12:01:53.038 | | | | 5th | PC | 1:56.2080 | 22 | 186.4602 |
| 21st | 0 | Meyrick / Legge / Rayhall | DeltaWing DWC13 Elan | Panoz DeltaWing Racing | 229 | 11:40:16.083 | | | DNF | 9th | P | 1:54.7660 | 132 | 188.8034 |
| 22nd | 63 | Segal / Nielsen / Balzan | Ferrari 488 GT3 | Scuderia Corsa | 229 | 12:02:16.675 | 1378.3390 kms | 114.5000 | | 1st | GTD | 2:02.8100 | 208 | 176.4372 |
| 23rd | 96 | Curtis / Freiberg / Klingmann | BMW M6 GT3 | Turner Motorsport | 229 | 12:02:18.955 | | | | 2nd | GTD | 2:03.8560 | 7 | 174.9470 |
| 24th | 44 | Potter / Lally / Seefried | Audi R8 LMS GT3 | Magnus Racing | 229 | 12:02:19.535 | | | | 3rd | GTD | 2:03.3630 | 138 | 175.6454 |
| 25th | 23 | Riberas / Farnbacher / James | Porsche 991 GT3 R | Team Seattle / Alex Job Racing | 229 | 12:02:19.689 | | | | 4th | GTD | 2:03.2700 | 193 | 175.7790 |
| 26th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 229 | 12:02:20.466 | | | | 8th | GTLM | 1:59.8940 | 209 | 180.7277 |
| 27th | 22 | Keen / MacNeil / Jeannette | Porsche 991 GT3 R | Alex Job Racing | 229 | 12:02:23.424 | | | | 5th | GTD | 2:03.9790 | 7 | 174.7731 |
| 28th | 48 | Miller / Sellers / Snow | Lamborghini Huracán GT3 | Paul Miller Racing | 229 | 12:02:25.119 | | | | 6th | GTD | 2:03.6250 | 229 | 175.2737 |
| 29th | 97 | Krohn / Palttala / Marsal | BMW M6 GT3 | Turner Motorsport | 229 | 12:02:28.123 | | | | 7th | GTD | 2:03.8030 | 178 | 175.0210 |
| 30th | 6 | Davis / Liddell / De Phillippi | Audi R8 LMS GT3 | Stevenson Motorsports | 229 | 12:02:29.031 | | | | 8th | GTD | 2:03.8190 | 134 | 174.9985 |
| 31st | 51 | Giammaria / Cressoni / Mann | Ferrari 458 | Spirit of Race | 229 | 12:02:29.495 | | | | 9th | GTD | 2:03.4970 | 6 | 175.4555 |
| 32nd | 98 | Dalla Lana / Lamy / Lauda / Stanaway | Aston Martin Vantage GT3 | Aston Martin Racing | 229 | 12:02:34.155 | | | | 10th | GTD | 2:03.1840 | 193 | 175.9013 |
| 33rd | 20 | Mowlem / Lewis / Drumwright / Yount | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 228 | 12:01:48.059 | | | | 6th | PC | 1:56.2470 | 22 | 186.3974 |
| 34th | 16 | Pumpelly / Lewis / Carter | Lamborghini Huracán GT3 | Change Racing | 227 | 12:01:18.017 | | | | 11th | GTD | 2:03.6680 | 206 | 175.2125 |
| 35th | 33 | Bleekemolen / Keating / Miller | Dodge Viper GT3-R | Riley Motorsports | 227 | 12:02:30.435 | | | | 12th | GTD | 2:03.5140 | 7 | 175.4314 |
| 36th | 540 | Pappas / Catsburg / Long / Pilgrim | Porsche 991 GT3 R | Black Swan Racing | 226 | 12:02:30.211 | | | | 13th | GTD | 2:04.0180 | 204 | 174.7184 |
| 37th | 28 | Brück / Borcheller / Konrad / Webster | Lamborghini Huracán GT3 | Konrad Motorsport | 226 | 12:02:41.505 | | | | 14th | GTD | 2:04.1970 | 204 | 174.4658 |
| 38th | 45 | Kaffer / Krohn / Jönsson | Audi R8 LMS Ultra | Flying Lizard Motorsports | 220 | 12:03:03.940 | | | | 15th | GTD | 2:04.2110 | 34 | 174.4465 |
| 39th | 50 | Pace / Defoor / Hinton / Schroeder | Riley DP BMW Power | Highway to Help | 212 | 11:34:48.726 | | | DNF | 10th | P | 1:58.2360 | 10 | 183.2624 |
| 40th | 88 | Johnston / Lyons / Engel | Oreca FLM 09 Chevrolet | Starworks Motorsport | 209 | 11:11:48.404 | | | DNF | 7th | PC | 1:58.4020 | 190 | 183.0049 |
| 41st | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 202 | 12:02:33.528 | | | | 9th | GTLM | 1:59.4810 | 9 | 181.3521 |
| 42nd | 24 | Morad / de Quesada / Lawrence / Farnbacher | Riley DP BMW Power | Alegra Motorsports | 195 | 12:02:42.742 | | | | 11th | P | 1:55.1180 | 14 | 188.2257 |
| 43rd | 10 | Barrichello / Taylor / Taylor / Angelelli | Chevrolet Corvette DP | No. 10 Konica Minolta Corvette DP for Wayne Taylor Racing | 169 | 9:24:49.085 | | | DNF | 12th | P | 1:53.9560 | 38 | 190.1456 |
| 44th | 9 | Aschenbach / Bell / von Moltke | Audi R8 LMS GT3 | Stevenson Motorsports | 165 | 9:26:59.898 | | | DNF | 16th | GTD | 2:03.7680 | 137 | 175.0709 |
| 45th | 73 | McMurry / Lindsey / Bergmeister / Heylen | Porsche 991 GT3 R | Park Place Motorsports | 145 | 8:38:38.585 | | | DNF | 17th | GTD | 2:03.6520 | 6 | 175.2350 |
| 46th | 911 | Pilet / Tandy / Estre | Porsche 991 RSR | Porsche North America | 116 | 7:10:32.659 | | | DNF | 10th | GTLM | 1:59.8900 | 11 | 180.7342 |
| 47th | 11 | Sweedler / Bell / Antinucci | Lamborghini Huracán GT3 | Change Racing | 30 | 1:33:49.587 | | | DNF | 18th | GTD | 2:05.6860 | 14 | 172.3994 |
| 48th | 27 | Babini / Ruberti / Sbirrazzuoli / Persiani | Lamborghini Huracán GT3 | Dream Racing | 27 | 59:58.214 | | | DNF | 19th | GTD | 2:04.1520 | 5 | 174.5301 |