| 1st | 10 | Taylor / Taylor / Angelelli | Chevrolet Corvette DP | Konica Minolta Chevrolet Corvette Dallara for Wayne Taylor Racing | 400 | 10:01:11.256 | 1635.0940 kms | 163.1859 | | 1st | P | 1:14.3090 | 121 |
| 2nd | 5 | Barbosa / Fittipaldi / Bourdais | Chevrolet Corvette DP | Action Express Racing | 400 | 10:01:22.318 | | | | 2nd | P | 1:14.4630 | 291 |
| 3rd | 01 | Rojas / Pruett / Dixon | Riley Mk XXVI Ford | Chip Ganassi Racing with Felix Sabates | 399 | 10:01:12.823 | | | | 3rd | P | 1:14.7940 | 240 |
| 4th | 0 | Legge / Meyrick / Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 395 | 10:01:32.479 | | | | 4th | P | 1:14.8300 | 26 |
| 5th | 8 | van der Zande / Schultis / Popow | Oreca FLM 09 | Starworks Motorsport | 395 | 10:01:33.384 | 1614.6550 kms | 161.0471 | | 1st | PC | 1:16.9240 | 317 |
| 6th | 54 | Braun / Bennett / Gue | Oreca FLM 09 | Core Autosport | 395 | 10:01:44.374 | | | | 2nd | PC | 1:16.8860 | 310 |
| 7th | 52 | Jeannette / Montecalvo | Oreca FLM 09 | PR1/Mathiasen Motorsports | 395 | 10:02:21.383 | | | | 3rd | PC | 1:17.0630 | 140 |
| 8th | 08 | Hawksworth / Cumming / Mitchell | Oreca FLM 09 | RSR Racing | 394 | 10:01:33.049 | | | | 4th | PC | 1:15.8710 | 303 |
| 9th | 17 | Sellers / Henzler / Holzer | Porsche 991 RSR | Team Falken Tire | 391 | 10:01:40.073 | 1598.3040 kms | 159.3878 | | 1st | GTLM | 1:18.5720 | 300 |
| 10th | 912 | Christensen / Long / Bamber | Porsche 991 RSR | Porsche North America | 391 | 10:01:41.010 | | | | 2nd | GTLM | 1:18.7560 | 223 |
| 11th | 91 | Wittmer / Goossens / Hunter-Reay | Dodge Viper SRT | SRT Motorsports | 391 | 10:01:41.801 | | | | 3rd | GTLM | 1:18.7740 | 77 |
| 12th | 4 | Milner / Gavin / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 391 | 10:02:04.518 | | | | 4th | GTLM | 1:18.9850 | 77 |
| 13th | 911 | Tandy / Bergmeister / Pilet | Porsche 991 RSR | Porsche North America | 390 | 10:01:50.019 | | | | 5th | GTLM | 1:18.9870 | 76 |
| 14th | 93 | Bomarito / Farnbacher / Bell | Dodge Viper SRT | SRT Motorsports | 389 | 10:01:50.763 | | | | 6th | GTLM | 1:19.0570 | 80 |
| 15th | 31 | Said / Curran / Papis | Chevrolet Corvette DP | Marsh Racing | 388 | 10:01:40.667 | | | | 5th | P | 1:16.1760 | 135 |
| 16th | 56 | Edwards / Müller / Werner | BMW Z4 GTE | BMW Team RLL | 388 | 10:01:50.441 | | | | 7th | GTLM | 1:19.2640 | 47 |
| 17th | 3 | Garcia / Magnussen / Briscoe | Chevrolet Corvette C7.R | Corvette Racing | 388 | 10:01:52.279 | | | | 8th | GTLM | 1:19.0080 | 77 |
| 18th | 7 | Fuentes / Martin / Merzon | Oreca FLM 09 | Starworks Motorsport | 385 | 10:02:00.723 | | | | 5th | PC | 1:17.9990 | 264 |
| 19th | 85 | Miller / Simpson / Goikhberg | Oreca FLM 09 | JDC/Miller Motorsports | 384 | 10:01:34.879 | | | | 6th | PC | 1:17.3970 | 139 |
| 20th | 25 | Lux / Rayhall / Kimber-Smith | Oreca FLM 09 | 8Star Motorsports | 383 | 9:40:38.712 | | | DNF | 7th | PC | 1:16.6040 | 218 |
| 21st | 57 | Bertolini / Krohn / Jönsson | Ferrari 458 Italia GT | Krohn Racing | 383 | 10:01:23.843 | | | | 9th | GTLM | 1:19.6060 | 331 |
| 22nd | 60 | Negri / Pew | Riley Mk XXVI Ford | Michael Shank Racing with Curb/Agajanian | 383 | 10:01:32.703 | | | | 6th | P | 1:15.3100 | 77 |
| 23rd | 90 | Rockenfeller / Westbrook / Valiante | Chevrolet Corvette DP | visitflorida.com Racing | 381 | 10:02:19.050 | | | | 7th | P | 1:15.0370 | 5 |
| 24th | 48 | Miller / Haase / Bell | Audi R8 LMS | Paul Miller Racing | 376 | 10:02:08.507 | 1536.9880 kms | 153.1516 | | 1st | GTD | 1:22.8010 | 73 |
| 25th | 58 | Heylen / Snow / Dempsey | Porsche 991 GT America | Snow Racing | 376 | 10:02:11.628 | | | | 2nd | GTD | 1:22.9290 | 348 |
| 26th | 44 | Potter / Lally / Seefried | Porsche 991 GT America | Magnus Racing | 376 | 10:02:15.522 | | | | 3rd | GTD | 1:22.9320 | 255 |
| 27th | 94 | Palttala / Cameron / Nygaard | BMW Z4 | Turner Motorsport | 376 | 10:02:20.399 | | | | 4th | GTD | 1:22.3520 | 196 |
| 28th | 23 | James / Riberas / Farnbacher | Porsche 991 GT America | Team Seattle/Alex Job Racing | 375 | 10:00:43.182 | | | DNF | 5th | GTD | 1:22.2670 | 198 |
| 29th | 51 | Griffin / Lathouras / Rugolo | Ferrari 458 Italia | Spirit of Race | 375 | 10:01:17.412 | | | | 6th | GTD | 1:23.0060 | 245 |
| 30th | 87 | Plowman / Drumwright / Drissi | Oreca FLM 09 | BAR1 Motorsports | 375 | 10:01:45.691 | | | | 8th | PC | 1:17.1510 | 199 |
| 31st | 555 | Bell / Sweedler / Grunewald | Ferrari 458 Italia | AIM Autosport | 375 | 10:02:12.298 | | | | 7th | GTD | 1:23.2180 | 345 |
| 32nd | 22 | Keen / MacNeil / Stanton | Porsche 991 GT America | Alex Job Racing | 375 | 10:02:22.459 | | | | 8th | GTD | 1:23.0090 | 206 |
| 33rd | 63 | Balzan / Westphal / Davis | Ferrari 458 Italia | Scuderia Corsa | 373 | 10:01:14.564 | | | | 9th | GTD | 1:23.0470 | 321 |
| 34th | 007 | Davison / Nielsen / Block | Aston Martin V12 Vantage | TRG-AMR | 373 | 10:02:28.337 | | | | 10th | GTD | 1:23.1560 | 241 |
| 35th | 81 | Faulkner / Barker / Eng | Porsche 991 GT America | GB Autosport | 367 | 10:01:48.036 | | | | 11th | GTD | 1:22.4400 | 247 |
| 36th | 35 | Neiman / von Moltke / Latif | Audi R8 LMS | Flying Lizard Motorsports | 366 | 10:02:24.276 | | | | 12th | GTD | 1:23.0650 | 353 |
| 37th | 73 | Lindsey / Estre / Siedler | Porsche 991 GT America | Park Place Motorsports | 346 | 10:02:16.155 | | | | 13th | GTD | 1:22.7580 | 318 |
| 38th | 09 | Ende / Heinemeier Hansson / Junqueira | Oreca FLM 09 | RSR Racing | 283 | 9:53:47.704 | | | DNF | 9th | PC | 1:16.5460 | 78 |
| 39th | 45 | Canache / Pumpelly / Palmer | Audi R8 LMS | Flying Lizard Motorsports | 260 | 7:27:40.499 | | | DNF | 14th | GTD | 1:23.0240 | 233 |
| 40th | 70 | Tremblay / Long / Devlin | Mazda Prototype | SpeedSource | 255 | 7:03:37.608 | | | DNF | 8th | P | 1:19.2680 | 88 |
| 41st | 19 | Kvamme / Lloyd / Pegram | Porsche 991 GT America | Muehlner Motorsports America | 225 | 10:02:43.265 | | | | 15th | GTD | 1:24.2580 | 109 |
| 42nd | 42 | Brundle / Yacaman / Tung | Ligier JS P2 Honda | OAK Racing | 187 | 4:55:33.441 | | | DNF | 9th | P | 1:13.9210 | 81 |
| 43rd | 49 | Perazzini / Cheever / Cioci | Ferrari 458 Italia | Spirit of Race | 181 | 5:30:45.510 | | | DNF | 16th | GTD | 1:24.2400 | 112 |
| 44th | 38 | Ostella / French / Mee | Oreca FLM 09 | Performance Tech Motorsports | 171 | 5:17:21.921 | | | DNF | 10th | PC | 1:17.5890 | 5 |
| 45th | 33 | Bleekemolen / Keating / Bleekemolen | Dodge Viper SRT | Riley Motorsports | 166 | 4:36:12.096 | | | DNF | 17th | GTD | 1:23.2820 | 16 |
| 46th | 9 | Frisselle / Frisselle / Fogarty | Chevrolet Corvette DP | Action Express Racing | 134 | 3:50:04.615 | | | DNF | 10th | P | 1:15.1520 | 86 |
| 47th | 88 | Mowlem / Papadopoulos / Cheng | Oreca FLM 09 | BAR1 Motorsports | 108 | 2:52:20.209 | | | DNF | 11th | PC | 1:17.3670 | 6 |
| 48th | 55 | Auberlen / Priaulx / Hand | BMW Z4 GTE | BMW Team RLL | 99 | 2:39:41.811 | | | DNF | 10th | GTLM | 1:19.7860 | 79 |
| 49th | 27 | Davis / Dempsey / Foster | Porsche 991 GT America | Dempsey Racing | 99 | 3:03:59.894 | | | DNF | 18th | GTD | 1:23.2440 | 16 |
| 50th | 62 | Kaffer / Fisichella / Beretta | Ferrari 458 Italia | Risi Competizione | 95 | 2:28:02.593 | | | DNF | 11th | GTLM | 1:19.0030 | 76 |
| 51st | 07 | Nunez / Miller / Vautier | Mazda Prototype | SpeedSource | 47 | 1:14:44.077 | | | DNF | 11th | P | 1:19.0290 | 46 |