| 1st | 55 | Bomarito / Tincknell / Hunter-Reay | Mazda RT24-P | Mazda Motorsports | 348 | 12:00:36.538 | 2094.2639 kms | 174.2560 | | 1st | DPi | 1:48.5090 | 186 | 199.6460 |
| 2nd | 6 | Montoya / Cameron / Pagenaud | Acura ARX-05 | Acura Team Penske | 348 | 12:00:46.692 | 2094.2639 kms | 174.2100 | | 2nd | DPi | 1:48.1650 | 46 | 200.2750 |
| 3rd | 77 | Jarvis / Nunez / Pla | Mazda RT24-P | Mazda Motorsports | 348 | 12:00:48.242 | 2094.2639 kms | 174.2030 | | 3rd | DPi | 1:48.1720 | 184 | 200.2690 |
| 4th | 85 | Leist / Simpson / Andrews | Cadillac DPi-V.R | JDC-Miller MotorSports | 347 | 12:00:51.943 | 2088.2461 kms | 173.6880 | | 4th | DPi | 1:48.4570 | 165 | 199.7430 |
| 5th | 5 | Bourdais / Vautier / Duval | Cadillac DPi-V.R | Mustang Sampling Racing/JDC-Miller MotorSports | 346 | 12:00:38.292 | 2082.2280 kms | 173.2350 | | 5th | DPi | 1:48.1720 | 191 | 200.2690 |
| 6th | 31 | Nasr / Derani / Chaves | Cadillac DPi-V.R | Whelen Engineering Racing | 346 | 12:00:50.065 | 2082.2280 kms | 173.1810 | | 6th | DPi | 1:47.7530 | 185 | 201.0480 |
| 7th | 10 | van der Zande / Briscoe / Dixon | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 341 | 12:00:49.388 | 2052.1379 kms | 170686.0000 | | 7th | DPi | 1:48.8540 | 145 | 199.0140 |
| 8th | 7 | Castroneves / Taylor / Rossi | Acura ARX-05 | Acura Team Penske | 341 | 12:00:54.467 | 2052.1379 kms | 170.6600 | | 8th | DPi | 1:47.7400 | 165 | 201.0720 |
| 9th | 52 | Kelly / Trummer / Huffaker | Oreca 07 Gibson | PR1 Mathiasen Motorsports | 340 | 12:01:17.681 | 2046.1200 kms | 170.0810 | | 1st | LMP2 | 1:50.6190 | 221 | 195.8380 |
| 10th | 8 | Farano / Jensen / Heinemeier Hansson | Oreca 07 Gibson | Tower Motorsport by Starworks | 338 | 12:01:48.425 | 2034.0840 kms | 168.9530 | | 2nd | LMP2 | 1:50.0680 | 312 | 196.8190 |
| 11th | 38 | Yount / Byrne / Cosmo | Oreca 07 Gibson | Performance Tech Motorsports | 332 | 12:00:45.409 | 1997.9760 kms | 166.2130 | | 3rd | LMP2 | 1:52.7580 | 40 | 192.1230 |
| 12th | 911 | Tandy / Makowiecki / Bamber | Porsche 991 RSR 19 | Porsche GT Team | 332 | 12:02:22.731 | 1997.9760 kms | 165.8510 | | 1st | GTLM | 1:57.2600 | 166 | 184.7470 |
| 13th | 912 | Bamber / Vanthoor / Jani | Porsche 991 RSR 19 | Porsche GT Team | 332 | 12:02:31.756 | 1997.9760 kms | 165.8240 | | 2nd | GTLM | 1:57.6770 | 168 | 184.0920 |
| 14th | 24 | Farfus / Krohn / Edwards | BMW M8 GTE | BMW Team RLL | 331 | 12:02:14.311 | 1991.9580 kms | 165.3840 | | 3rd | GTLM | 1:57.3070 | 313 | 184.6730 |
| 15th | 25 | Spengler / De Phillippi / Herta | BMW M8 GTE | BMW Team RLL | 330 | 12:02:04.817 | 1985.9399 kms | 164.9260 | | 4th | GTLM | 1:57.1190 | 228 | 184.9690 |
| 16th | 3 | Garcia / Taylor / Catsburg | Chevrolet Corvette C8.R | Corvette Racing | 323 | 12:02:30.794 | 1943.8140 kms | 161.3230 | | 5th | GTLM | 1:57.0380 | 144 | 185.0980 |
| 17th | 51 | Smiechowski / Rao / Bell | Oreca 07 Gibson | Inter Europol Competition | 320 | 12:01:25.004 | 1925.7600 kms | 160.0600 | | 4th | LMP2 | 1:50.3760 | 166 | 196.2690 |
| 18th | 16 | Hardwick / Long / Heylen | Porsche 991 GT3 R | Wright Motorsports | 319 | 12:01:00.125 | 1919.7419 kms | 159.6510 | | 1st | GTD | 2:02.5560 | 301 | 176.7630 |
| 19th | 23 | James / de Angelis / Turner | Aston Martin Vantage GT3 | Heart of Racing Team | 319 | 12:01:03.395 | 1919.7419 kms | 159.6640 | | 2nd | GTD | 2:02.6250 | 295 | 176.6630 |
| 20th | 86 | McMurry / Farnbacher / Michimi | Acura NSX GT3 | Meyer Shank Racing w/ Curb-Agajanian | 319 | 12:01:05.643 | 1919.7419 kms | 159.6500 | | 3rd | GTD | 2:02.7920 | 275 | 176.4240 |
| 21st | 63 | MacNeil / Balzan / Westphal | Ferrari 488 GT3 | Scuderia Corsa | 319 | 12:01:09.266 | 1919.7419 kms | 159.6430 | | 4th | GTD | 2:02.1630 | 181 | 177.3330 |
| 22nd | 30 | Ferriol / Davis / Kaffer | Audi R8 LMS GT3 | Team Hardpoint | 319 | 12:01:10.210 | 1919.7419 kms | 159.6400 | | 5th | GTD | 2:02.6940 | 182 | 176.5650 |
| 23rd | 57 | Goikhberg / Hindman / Hand | Acura NSX GT3 | Heinricher Racing w/MSR Curb-Agajanian | 319 | 12:01:17.243 | 1919.7419 kms | 159.6020 | | 6th | GTD | 2:03.5330 | 192 | 175.3650 |
| 24th | 44 | Lally / Potter / Pumpelly | Lamborghini Huracán GT3 Evo | GRT Magnus | 319 | 12:01:22.208 | 1919.7419 kms | 159.5710 | | 7th | GTD | 2:03.6660 | 300 | 175.1770 |
| 25th | 74 | Robinson / Aschenbach / Miller | Mercedes-AMG GT3 Evo | Riley Motorsports | 312 | 11:47:40.533 | 1877.6160 kms | 159.0740 | DNF | 8th | GTD | 2:02.0690 | 278 | 177.4690 |
| 26th | 4 | Gavin / Milner / Fässler | Chevrolet Corvette C8.R | Corvette Racing | 292 | 12:02:30.784 | 1757.2560 kms | 145.8450 | | 6th | GTLM | 1:57.3450 | 202 | 184.6130 |
| 27th | 12 | Montecalvo / Bell / de Quesada | Lexus RC F GT3 | AIM Vasser-Sullivan | 266 | 11:47:40.563 | 1600.7880 kms | 143.6980 | DNF | 9th | GTD | 2:02.6810 | 251 | 176.5830 |
| 28th | 11 | Heistand / Schothorst / Perera | Lamborghini Huracán GT3 Evo | GRT Grasser Racing | 263 | 10:13:29.160 | 1582.7340 kms | 154.7040 | DNF | 10th | GTD | 2:02.0570 | 177 | 177.4860 |
| 29th | 96 | Foley / Machavern / Yelloly | BMW M6 GT3 | Turner Motorsport | 235 | 9:03:45.373 | 1414.2300 kms | 155.9250 | DNF | 11th | GTD | 2:03.3590 | 182 | 175.6130 |
| 30th | 14 | Hawksworth / Telitz / Kirkwood | Lexus RC F GT3 | AIM Vasser-Sullivan | 70 | 2:39:52.720 | 421.2600 kms | 158.0260 | DNF | 12th | GTD | 2:03.4630 | 61 | 175.4650 |