| 1st | 6 | Castroneves / Montoya / Pagenaud | Oreca 07 Gibson | Team Penske | 1:11.3140 | 206.3517 | 7 |
| 2nd | 22 | Derani / Senna / Van Overbeek | Nissan Onroak DPi | Tequila Patron ESM | 1:11.4750 | 205.8866 | 10 |
| 3rd | 2 | Hartley / Dalziel / Sharp | Nissan Onroak DPi | Tequila Patron ESM | 1:11.4990 | 205.8174 | 12 |
| 4th | 13 | Beche / Menezes / Heidfeld | Oreca 07 Gibson | Rebellion Racing | 1:11.6230 | 205.4617 | 8 |
| 5th | 90 | van der Zande / Bomarito / Goossens | Ligier JS P217 Gibson | Visit Florida Racing | 1:11.9340 | 204.5734 | 9 |
| 6th | 52 | Pla / Gutierrez / *Canal | Ligier JS P217 Gibson | PR1/Mathiasen Motorsports | 1:12.1060 | 204.0858 | 11 |
| 7th | 10 | Taylor / Hunter-Reay / *Taylor | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:12.1210 | 204.0423 | 10 |
| 8th | 85 | Goikhberg / Simpson / Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 1:12.3880 | 203.2907 | 9 |
| 9th | 5 | Fittipaldi / Albuquerque / Barbosa | Cadillac DPi-V.R | Mustang Sampling Racing | 1:12.3930 | 203.2762 | 10 |
| 10th | 31 | Curran / Cameron / Conway | Cadillac DPi-V.R | Whelen Engineering Racing | 1:13.0510 | 201.4448 | 8 |
| 11th | 38 | French / O'Ward / Masson | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 1:16.0690 | 193.4528 | 8 |
| 12th | 26 | Grist / Falb / Drissi | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:17.2440 | 190.5109 | 8 |
| 13th | 20 | Yount / Burkett / Rice | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:17.6280 | 189.5679 | 12 |
| 14th | 62 | Vilander / Pier Guidi / Fisichella | Ferrari 488 GTE | Risi Competizione | 1:17.6600 | 189.4890 | 9 |
| 15th | 67 | Westbrook / Briscoe / Dixon | Ford GT | Ford Chip Ganassi Racing | 1:17.7050 | 189.3796 | 8 |
| 16th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1:17.7140 | 189.3586 | 11 |
| 17th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 1:17.7290 | 189.3216 | 9 |
| 18th | 25 | Auberlen / Sims / Wittmer | BMW M6 GTLM | BMW Team RLL | 1:17.7310 | 189.3168 | 8 |
| 19th | 4 | Milner / Gavin / Fässler | Chevrolet Corvette C7.R | Corvette Racing | 1:17.8230 | 189.0931 | 12 |
| 20th | 24 | Tomczyk / Edwards / Catsburg | BMW M6 GTLM | BMW Team RLL | 1:18.0840 | 188.4606 | 7 |
| 21st | 912 | Bruni / Bamber / Vanthoor | Porsche 991 RSR | Porsche GT Team | 1:18.1610 | 188.2755 | 9 |
| 22nd | 911 | Pilet / Tandy / Werner | Porsche 991 RSR | Porsche GT Team | 1:18.4260 | 187.6382 | 11 |
| 23rd | 63 | Cressoni / Balzan / Nielsen | Ferrari 488 GT3 | Scuderia Corsa | 1:20.6610 | 182.4401 | 11 |
| 24th | 93 | Lally / Legge / Wilkins | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:20.7390 | 182.2630 | 11 |
| 25th | 15 | Hawksworth / Cindric / Pruett | Lexus RCF GT3 | 3GT Racing | 1:20.7980 | 182.1311 | 8 |
| 26th | 29 | De Phillippi / Mies / van der Linde | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 1:20.8300 | 182.0587 | 11 |
| 27th | 96 | Marks / Krohn / Klingmann | BMW M6 GT3 | Turner Motorsport | 1:20.9040 | 181.8913 | 8 |
| 28th | 28 | Christensen / Morad / de Quesada | Porsche 991 GT3 R | Alegra Motorsports | 1:20.9680 | 181.7480 | 6 |
| 29th | 86 | Negri / Segal / Dyer | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:20.9980 | 181.6805 | 10 |
| 30th | 16 | Mul / Lewis / Sandberg | Lamborghini Huracán GT3 | Change Racing | 1:21.0630 | 181.5356 | 10 |
| 31st | 14 | Karam / Alon / James | Lexus RCF GT3 | 3GT Racing | 1:21.1150 | 181.4181 | 8 |
| 32nd | 57 | Davis / Aschenbach / Bell | Audi R8 LMS GT3 | Stevenson Motorsports | 1:21.2200 | 181.1848 | 12 |
| 33rd | 48 | Snow / Sellers / Hindman | Lamborghini Huracán GT3 | Paul Miller Racing | 1:21.3930 | 180.7985 | 7 |
| 34th | 73 | Lindsey / Bergmeister / McMurry | Porsche 991 GT3 R | Park Place Motorsports | 1:21.4700 | 180.6279 | 7 |
| 35th | 23 | Bell / Montecalvo / Sweedler | Audi R8 LMS GT3 | Alex Job Racing | 1:21.6480 | 180.2336 | 9 |
| 36th | 75 | von Moltke / Habul / Vautier | Mercedes-AMG GT3 | SunEnergy1 Racing | 1:21.9150 | 179.6462 | 11 |
| 37th | 33 | Keating / Bleekemolen / Farnbacher | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 1:21.9590 | 179.5497 | 10 |
| 38th | 50 | MacNeil / *Long / *Jeannette | Porsche 991 GT3 R | Riley Motorsports - WeatherTech Racing | 1:22.1770 | 179.0733 | 8 |
| 39th | 54 | Bennett / Braun / Jönsson | Porsche 991 GT3 R | CORE autosport | 1:23.3790 | 176.4919 | 10 |