| 1st | 5 | João Barbosa / Filipe Albuquerque / Christian Fittipaldi | Cadillac DPi-V.R | Mustang Sampling Racing | 1:36.9030 | 212.7553 |
| 2nd | 31 | Dane Cameron / Eric Curran / Seb Morris / Mike Conway | Cadillac DPi-V.R | Whelen Engineering Racing | 1:36.9730 | 212.5944 |
| 3rd | 13 | Neel Jani / Sébastien Buemi / Stéphane Sarrazin / Nick Heidfeld | Oreca 07 Gibson | Rebellion Racing | 1:37.1230 | 212.2725 |
| 4th | 10 | Ricky Taylor / Max Angelelli / Jordan Taylor / Jeff Gordon | Cadillac DPi-V.R | Konica Minolta Cadillac DPi-V.R | 1:37.1690 | 212.1115 |
| 5th | 22 | Johannes Van Overbeek / Brendon Hartley / Bruno Senna / Ed Brown | Nissan Onroak DPi | Tequila Patron ESM | 1:37.6090 | 211.1459 |
| 6th | 2 | Scott Sharp / Ryan Dalziel / Pipo Derani | Nissan Onroak DPi | Tequila Patron ESM | 1:38.2510 | 209.8584 |
| 7th | 85 | Stephen Simpson / Mathias Beche / Misha Goikhberg / Chris Miller | Oreca 07 Gibson | JDC-Miller Motorsports | 1:38.9150 | 208.4100 |
| 8th | 52 | Tom Kimber-Smith / Jose Gutierrez / Richard Enerson / Mike Guasch | Ligier JS P217 Gibson | PR1/Mathiasen Motorsports | 1:39.1490 | 207.9272 |
| 9th | 55 | Jonathan Bomarito / Spencer Pigot / Tristan Nunez | Mazda RT24-P | Mazda Motorsports | 1:39.9400 | 206.3179 |
| 10th | 70 | Joel Miller / James Hinchcliffe / Tom Long | Mazda RT24-P | Mazda Motorsports | 1:39.9730 | 206.1570 |
| 11th | 90 | Marc Goossens / Renger van der Zande / René Rast | Riley Mk.30 Gibson | VisitFlorida Racing | 1:40.5320 | 205.0304 |
| 12th | 38 | James French / Patricio O'Ward / Kyle Masson / Nicholas Boulle | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 1:42.5590 | 201.0071 |
| 13th | 26 | Johnny Mowlem / Trent Hindman / Tom Papadopoulos / Adam Merzon / David Cheng | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:43.3960 | 199.3977 |
| 14th | 20 | Buddy Rice / Gustavo Yacaman / Don Yount / Mark Kvamme / Chapman Ducote | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:43.5150 | 199.2368 |
| 15th | 8 | Chris Cumming / John Falb / Remo Ruscitti / Robert Wickens / Ben Keating | Oreca FLM 09 Chevrolet | Starworks Motorsport | 1:46.6280 | 193.2822 |
| 16th | 88 | Alex Popow / Sean Rayhall / James Dayson / Conor Daly | Oreca FLM 09 Chevrolet | Starworks Motorsport | 1:47.6820 | 191.5119 |
| 17th | 81 | Nicolas Lapierre / Ben Hanley / Loïc Duval / Henrik Hedman | Oreca 07 Gibson | DragonSpeed | no time | |
| 18th | 66 | Joey Hand / Dirk Müller / Sébastien Bourdais | Ford GT | Ford Chip Ganassi Racing | 1:43.4730 | 199.2368 |
| 19th | 67 | Richard Westbrook / Ryan Briscoe / Scott Dixon | Ford GT | Ford Chip Ganassi Racing | 1:43.7040 | 198.7540 |
| 20th | 68 | Olivier Pla / Stefan Mücke / Billy Johnson | Ford GT | Ford Chip Ganassi Team UK | 1:43.9870 | 198.2712 |
| 21st | 62 | Toni Vilander / Giancarlo Fisichella / James Calado | Ferrari 488 GTE | Risi Competizione | 1:44.1210 | 197.9493 |
| 22nd | 911 | Patrick Pilet / Frédéric Makowiecki / Dirk Werner | Porsche 991 RSR | Porsche GT Team | 1:44.2510 | 197.7884 |
| 23rd | 69 | Andy Priaulx / Tony Kanaan / Harry Tincknell | Ford GT | Ford Chip Ganassi Team UK | 1:44.2560 | 197.7884 |
| 24th | 3 | Jan Magnussen / Antonio Garcia / Mike Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1:44.3590 | 197.6274 |
| 25th | 912 | Kevin Estre / Laurens Vanthoor / Richard Lietz | Porsche 991 RSR | Porsche GT Team | 1:44.5910 | 197.1446 |
| 26th | 4 | Oliver Gavin / Marcel Fässler / Tommy Milner | Chevrolet Corvette C7.R | Corvette Racing | 1:44.6850 | 196.9837 |
| 27th | 19 | Augusto Farfus / Bill Auberlen / Alexander Sims / Bruno Spengler | BMW M6 GTLM | BMW Team RLL | 1:44.7590 | 196.8228 |
| 28th | 24 | John Edwards | BMW M6 GTLM | BMW Team RLL | 1:44.9740 | 196.3400 |
| 29th | 51 | Alessandro Pier Guidi / Peter Mann / Rino Mastronardi | Ferrari 488 GT3 | Spirit of Race | 1:47.0990 | 192.4775 |
| 30th | 63 | Alessandro Balzan / Matteo Cressoni / Sam Bird / Christina Nielsen | Ferrari 488 GT3 | Scuderia Corsa | 1:47.1170 | 192.4775 |
| 31st | 98 | Marco Sørensen / Mathias Lauda / Paul Dalla Lana / Pedro Lamy | Aston Martin Vantage | Aston Martin Racing | 1:47.7340 | 191.3510 |
| 32nd | 59 | Matteo Cairoli / Steve Smith / Hari Proczyk | Porsche 991 GT3 R | Manthey Racing | 1:47.7360 | 191.3510 |
| 33rd | 11 | Mirko Bortolotti / Rolf Ineichen / Christian Engelhart / Ezequiel Pérez Companc | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:47.7850 | 191.1901 |
| 34th | 29 | Jeffrey Schmidt / Connor De Phillippi / Jules Gounon / Christopher Mies | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 1:48.2130 | 190.5463 |
| 35th | 93 | Andy Lally / Mark Wilkins / Katherine Legge / Graham Rahal | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:48.2680 | 190.3854 |
| 36th | 28 | Daniel Morad / Michael Christensen / Jesse Lazare / Michael de Quesada / Carlos de Quesada | Porsche 991 GT3 R | Alegra Motorsports | 1:48.3410 | 190.2245 |
| 37th | 86 | Jeff Segal / Tom Dyer / Oswaldo Negri / Ryan Hunter-Reay | Acura NSX GT3 | Michael Shank Racing w/ Curb-Agajanian | 1:48.3500 | 190.2245 |
| 38th | 73 | Matthew McMurry / Patrick Lindsey / Norbert Siedler | Porsche 991 GT3 R | Park Place Motorsports | 1:48.4240 | 190.0635 |
| 39th | 61 | Christian Engelhart / Michele Beretta / Roberto Pampanini / Rolf Ineichen / Milos Pavlovic | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:48.4830 | 190.0635 |
| 40th | 48 | Bryan Sellers / Madison Snow / Dion von Moltke / Andrea Caldarelli / Bryce Miller | Lamborghini Huracán GT3 | Paul Miller Racing | 1:48.4960 | 190.0635 |
| 41st | 14 | Scott Pruett | Lexus RCF GT3 | 3GT Racing | 1:48.5410 | 189.9026 |
| 42nd | 16 | Corey Lewis / Jeroen Mul / Brett Sandberg | Lamborghini Huracán GT3 | Change Racing | 1:48.5900 | 189.9026 |
| 43rd | 57 | Andrew Davis / Matt Bell / Lawson Aschenbach / Robin Liddell | Audi R8 LMS GT3 | Stevenson Motorsports | 1:48.6830 | 189.7417 |
| 44th | 23 | Pierre Kaffer / Townsend Bell / Frankie Montecalvo / Bill Sweedler | Audi R8 LMS GT3 | Alex Job Racing | 1:48.7980 | 189.4198 |
| 45th | 96 | Justin Marks / Jesse Krohn / Jens Klingmann / Maxime Martin | BMW M6 GT3 | Turner Motorsport | 1:48.8100 | 189.4198 |
| 46th | 75 | Boris Said / Maro Engel / Kenny Habul / Tristan Vautier | Mercedes-AMG GT3 | SunEnergy1 Racing | 1:48.9690 | 189.2589 |
| 47th | 33 | Ben Keating / Jeroen Bleekemolen / Mario Farnbacher / Adam Christodoulou | Mercedes-AMG GT3 | Riley Motorsports - Team AMG | 1:49.0560 | 189.0979 |
| 48th | 15 | Austin Cindric / Jack Hawksworth / Dominik Farnbacher / Robert Alon | Lexus RCF GT3 | 3GT Racing | 1:49.1300 | 188.9370 |
| 49th | 21 | Marco Mapelli / Luca Stolz / Lance Willsey / Marc Basseng | Lamborghini Huracán GT3 | Konrad Motorsport | 1:49.3220 | 188.6151 |
| 50th | 991 | Mike Hedlund / Wolf Henzler / Jan Heylen / Tim Pappas / Santiago Creel | Porsche 991 GT3 R | TRG | 1:49.4460 | 188.2932 |
| 51st | 46 | Emanuele Busnelli / Fabio Babini / Emmanuel Collard / François Perrodo | Lamborghini Huracán GT3 | Ebimotors | 1:49.7810 | 187.8104 |
| 52nd | 50 | Cooper MacNeil / Thomas Jäger / Shane Van Gisbergen / Gunnar Jeannette | Mercedes-AMG GT3 | Riley Motorsports - WeatherTech | 1:49.8090 | 187.8104 |
| 53rd | 54 | Jon Bennett / Niclas Jönsson / Patrick Long / Colin Braun | Porsche 991 GT3 R | Core Autosport | 1:50.2580 | 187.0058 |
| 54th | 18T | Emmanuel Anassis / Brandon Gdovic / Zach Claman / Anthony Massari | Lamborghini Huracán GT3 | DAC Motorsports | 1:51.5170 | 184.9136 |
| 55th | 27 | Lawrence DeGeorge / Raffaele Giammaria / Paolo Ruberti / Cedric Sbirrazzuoli / Luca Persiani | Lamborghini Huracán GT3 | Dream Racing Motorsport | 1:55.8350 | 177.9934 |