| 1st | 13 | Jani / Buemi / Heidfeld | Oreca 07 Gibson | Rebellion Racing | 1:48.1780 | 200.2024 | 5 |
| 2nd | 5 | Fittipaldi / Barbosa / Albuquerque | Cadillac DPi-V.R | Mustang Sampling Racing | 1:48.2730 | 200.0415 | 8 |
| 3rd | 31 | Cameron / Conway / Curran | Cadillac DPi-V.R | Whelen Engineering Racing | 1:48.3140 | 199.8805 | 7 |
| 4th | 52 | Gutierrez / Kimber-Smith / Guasch | Ligier JS P217 Gibson | PR1/Mathiasen Motorsports | 1:49.0560 | 198.5930 | 7 |
| 5th | 22 | Hartley / Senna / Van Overbeek / Brown | Nissan Onroak DPi | Tequila Patron ESM | 1:49.1030 | 198.4321 | 8 |
| 6th | 10 | Taylor / Taylor / Lynn | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:49.5410 | 197.6274 | 8 |
| 7th | 85 | Simpson / Goikhberg / Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 1:49.5870 | 197.6274 | 8 |
| 8th | 55 | Bomarito / Pigot / Nunez | Mazda RT24-P | Mazda Motorsports | 1:49.9070 | 196.9837 | 7 |
| 9th | 90 | van der Zande / Rast / Goossens | Riley Mk.30 Gibson | VisitFlorida Racing | 1:49.9190 | 196.9837 | 8 |
| 10th | 70 | Miller / Franchitti / Long | Mazda RT24-P | Mazda Motorsports | 1:50.2840 | 196.3400 | 7 |
| 11th | 26 | Yacaman / Thompson / Ducote / Drumwright | Oreca FLM 09 Chevrolet | BAR 1 Motorsports | 1:53.5060 | 190.8682 | 8 |
| 12th | 38 | French / O'Ward / Masson | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 1:53.5750 | 190.7073 | 8 |
| 13th | 20 | Rice / Burkett / Yount / Kvamme | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:55.8460 | 187.0058 | 8 |
| 14th | 67 | Briscoe / Westbrook / Dixon | Ford GT | Ford Chip Ganassi Racing | 1:55.9390 | 186.8448 | 4 |
| 15th | 66 | Hand / Bourdais / Müller | Ford GT | Ford Chip Ganassi Racing | 1:56.1750 | 186.3620 | 5 |
| 16th | 4 | Milner / *Fässler / *Gavin | Chevrolet Corvette C7.R | Corvette Racing | 1:56.2520 | 186.2011 | 6 |
| 17th | 912 | Estre / Lietz / Vanthoor | Porsche 991 RSR | Porsche GT Team | 1:56.3190 | 186.2011 | 5 |
| 18th | 3 | Garcia / Magnussen / Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1:56.3680 | 186.0402 | 6 |
| 19th | 8 | Grist / Rayhall / Hanratty | Oreca FLM 09 Chevrolet | Starworks Motorsports | 1:56.4330 | 186.0402 | 8 |
| 20th | 68 | Mücke / Pla / Johnson | Ford GT | Ford Chip Ganassi Team UK | 1:56.4410 | 186.0402 | 8 |
| 21st | 911 | Werner / Pilet / Makowiecki | Porsche 991 RSR | Porsche GT Team | 1:56.4870 | 185.8792 | 7 |
| 22nd | 24 | Catsburg / Tomczyk / Edwards | BMW M6 GTLM | BMW Team RLL | 1:56.6170 | 185.7183 | 4 |
| 23rd | 25 | Sims / Auberlen / Wittmer | BMW M6 GTLM | BMW Team RLL | 1:56.6600 | 185.5574 | 2 |
| 24th | 62 | Fisichella / Calado / Vilander | Ferrari 488 GTE | Risi Competizione | 1:57.4750 | 184.2699 | 7 |
| 25th | 75 | Said / Habul / Vautier | Mercedes-AMG GT3 | SunEnergy1 Racing | 1:59.7380 | 180.8903 | 8 |
| 26th | 29 | De Phillippi / Mies / Gounon | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 2:00.4900 | 179.7637 | 7 |
| 27th | 16 | Lewis / Mul / Sandberg | Lamborghini Huracán GT3 | Change Racing | 2:00.9670 | 178.9590 | 7 |
| 28th | 15 | Alon / Hawksworth / Cindric | Lexus RCF GT3 | 3GT Racing | 2:00.9980 | 178.9590 | 8 |
| 29th | 14 | Pruett / Karam / James | Lexus RCF GT3 | 3GT Racing | 2:01.1580 | 178.7981 | 5 |
| 30th | 57 | Davis / Aschenbach / Bell | Audi R8 LMS GT3 | Stevenson Motorsports | 2:01.2220 | 178.6372 | 9 |
| 31st | 33 | Keating / Bleekemolen / Farnbacher | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 2:01.2840 | 178.4763 | 7 |
| 32nd | 50 | MacNeil / Van Gisbergen / Jeannette | Mercedes-AMG GT3 | Riley Motorsports - WeatherTech Racing | 2:01.3580 | 178.4763 | 7 |
| 33rd | 11 | Bortolotti / Antinucci / Engelhart / Ineichen | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 2:01.3850 | 178.4763 | 7 |
| 34th | 63 | Nielsen / Cressoni / Balzan | Ferrari 488 GT3 | Scuderia Corsa | 2:01.6280 | 177.9934 | 8 |
| 35th | 93 | Wilkins / Legge / Lally | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 2:01.6870 | 177.9934 | 7 |
| 36th | 28 | Morad / Pumpelly / Christensen / de Quesada | Porsche 991 GT3 R | Alegra Motorsports | 2:01.7520 | 177.8325 | 7 |
| 37th | 73 | McMurry / Lindsey / Bergmeister / Heylen | Porsche 991 GT3 R | Park Place Motorsports | 2:01.9660 | 177.5107 | 8 |
| 38th | 86 | Negri / Segal / Dyer | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 2:02.0960 | 177.3497 | 8 |
| 39th | 23 | Bell / Montecalvo / Sweedler | Audi R8 LMS GT3 | Alex Job Racing | 2:02.2340 | 177.1888 | 7 |
| 40th | 96 | Marks / Krohn / Klingmann | BMW M6 GT3 | Turner Motorsport | 2:02.2560 | 177.1888 | 7 |
| 41st | 48 | Snow / Sellers / von Moltke | Lamborghini Huracán GT3 | Paul Miller Racing | 2:02.3450 | 177.0278 | 5 |
| 42nd | 46 | Collard / Babini / Beretta / Busnelli | Lamborghini Huracán GT3 | Ebimotors | 2:03.2010 | 175.7404 | 7 |
| 43rd | 54 | Bennett / Braun / Jönsson | Porsche 991 GT3 R | Core Autosport | 2:03.6720 | 175.0966 | 7 |
| 44th | 18 | Gdovic / Anassis / Massari | Lamborghini Huracán GT3 | DAC Motorsports | 2:04.1540 | 174.4529 | 6 |
| 45th | 27 | Sbirrazzuoli / Ruberti / Persiani / *DeGeorge | Lamborghini Huracán GT3 | Dream Racing Motorsport | 2:08.4690 | 168.4983 | 7 |
| 15th | 2 | Derani / Dalziel / *Sharp | Nissan Onroak DPi | Tequila Patron ESM | no time | | 3 |