| 1st | 81 | Henrik Hedman / Nicolas Lapierre / Ben Hanley / Loic Duval | Oreca 07 Gibson | DragonSpeed | 1:38.3430 | 209.6975 |
| 2nd | 55 | Tristan Nunez / Jonathan Bomarito / Spencer Pigot / Ben Devlin | Mazda RT24-P | Mazda Motorsports | 1:38.3630 | 209.5366 |
| 3rd | 13 | Neel Jani / Sébastien Buemi / Nick Heidfeld / Stéphane Sarrazin | Oreca 07 Gibson | Rebellion Racing | 1:38.4080 | 209.5366 |
| 4th | 52 | Jose Gutierrez / Mike Guasch / Tom Kimber-Smith / Richard Enerson | Ligier JS P217 Gibson | PR1/Mathiasen Motorsports | 1:38.5960 | 209.0538 |
| 5th | 5 | João Barbosa / Filipe Albuquerque / Christian Fittipaldi | Cadillac DPi-V.R | Mustang Sampling Racing | 1:38.6930 | 208.8929 |
| 6th | 31 | Eric Curran / Dane Cameron / Mike Conway / Seb Morris | Cadillac DPi-V.R | Whelen Engineering Racing | 1:38.9020 | 208.4100 |
| 7th | 90 | Renger van der Zande / Marc Goossens / René Rast | Riley Mk.30 Gibson | VisitFlorida Racing | 1:38.9220 | 208.4100 |
| 8th | 10 | Ricky Taylor / Jordan Taylor / Max Angelelli / Jeff Gordon | Cadillac DPi-V.R | Wayne Taylor Racing | 1:38.9510 | 208.4100 |
| 9th | 85 | Misha Goikhberg / Chris Miller / Stephen Simpson / Mathias Beche | Oreca 07 Gibson | JDC-Miller Motorsports | 1:39.1670 | 207.9272 |
| 10th | 70 | Tom Long / Joel Miller / James Hinchcliffe / Ben Devlin | Mazda RT24-P | Mazda Motorsports | 1:39.5740 | 207.1226 |
| 11th | 22 | Ed Brown / Johannes Van Overbeek / Bruno Senna | Nissan Onroak DPi | Tequila Patron ESM | 1:39.6080 | 206.9617 |
| 12th | 2 | Scott Sharp / Ryan Dalziel / Pipo Derani | Nissan Onroak DPi | Tequila Patron ESM | 1:39.6540 | 206.8007 |
| 13th | 38 | Patricio O'Ward / Kyle Masson / Clark Toppe / James French | Oreca FLM 09 Chevrolet | Performance Tech Motorsports | 1:41.8880 | 202.2945 |
| 14th | 26 | Nicholas Boulle / Adam Merzon / Don Yount / Trent Hindman / Johnny Mowlem / Chapman Ducote / Tom Papadopoulos | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:42.7010 | 200.6852 |
| 15th | 8 | Ben Keating / John Falb / Sean Rayhall / Robert Wickens / Remo Ruscitti | Oreca FLM 09 Chevrolet | Starworks Motorsport | 1:43.3200 | 199.5587 |
| 16th | 20 | Don Yount / Gustavo Yacaman / Chapman Ducote / Mark Kvamme / Buddy Rice | Oreca FLM 09 Chevrolet | BAR1 Motorsports | 1:43.8650 | 198.4321 |
| 17th | 88 | Sebastian Saavedra / Scott Mayer / James Dayson | Oreca FLM 09 Chevrolet | Starworks Motorsport | 1:44.0890 | 198.1102 |
| 18th | 67 | Ryan Briscoe / Richard Westbrook / Scott Dixon | Ford GT | Ford Chip Ganassi Racing | 1:44.3800 | 197.4665 |
| 19th | 69 | Andy Priaulx / Tony Kanaan / Harry Tincknell | Ford GT | Ford Chip Ganassi Team UK | 1:44.6450 | 196.9837 |
| 20th | 24 | John Edwards / Martin Tomczyk / Nicky Catsburg / Kuno Wittmer | BMW M6 GTLM | BMW Team RLL | 1:44.6920 | 196.9837 |
| 21st | 62 | Toni Vilander / Giancarlo Fisichella | Ferrari 488 GTE | Risi Competizione | 1:44.7050 | 196.8228 |
| 22nd | 4 | Oliver Gavin / Marcel Fässler / Tommy Milner | Chevrolet Corvette C7.R | Corvette Racing | 1:44.7170 | 196.8228 |
| 23rd | 66 | Joey Hand / Dirk Müller / Sébastien Bourdais | Ford GT | Ford Chip Ganassi Racing | 1:44.7190 | 196.8228 |
| 24th | 3 | Antonio Garcia / Jan Magnussen / Mike Rockenfeller | Chevrolet Corvette C7.R | Corvette Racing | 1:44.7380 | 196.8228 |
| 25th | 19 | Augusto Farfus / Bill Auberlen / Alexander Sims / Bruno Spengler | BMW M6 GTLM | BMW Team RLL | 1:44.7640 | 196.8228 |
| 26th | 68 | Billy Johnson / Stefan Mücke / Olivier Pla | Ford GT | Ford Chip Ganassi Team UK | 1:44.8080 | 196.6618 |
| 27th | 911 | Patrick Pilet / Dirk Werner / Frédéric Makowiecki | Porsche 991 RSR | Porsche GT Team | 1:44.8740 | 196.5009 |
| 28th | 912 | Kevin Estre / Laurens Vanthoor / Richard Lietz | Porsche 991 RSR | Porsche GT Team | 1:45.0370 | 196.3400 |
| 29th | 59 | Steve Smith / Nils Reimer / Reinhold Renger / Hari Proczyk / Sven Müller | Porsche 991 GT3 R | Manthey Racing | 1:46.8100 | 192.9603 |
| 30th | 33 | Ben Keating / Jeroen Bleekemolen / Mario Farnbacher / Michael Christensen | Mercedes AMG GT3 | Riley Motorsports - Team AMG | 1:46.9020 | 192.7994 |
| 31st | 57 | Lawson Aschenbach / Andrew Davis / Matt Bell / Robin Liddell | Audi R8 LMS GT3 | Stevenson Motorsports | 1:46.9160 | 192.7994 |
| 32nd | 29 | Jeffrey Schmidt / Connor De Phillippi / Christopher Mies / Jules Gounon | Audi R8 LMS GT3 | Montaplast by Land-Motorsport | 1:46.9570 | 192.7994 |
| 33rd | 23 | Pierre Kaffer / Bill Sweedler / Townsend Bell / Frankie Montecalvo | Audi R8 LMS GT3 | Alex Job Racing | 1:46.9730 | 192.7994 |
| 34th | 28 | Spencer Pumpelly / Michael de Quesada / Carlos de Quesada / Daniel Morad / Jesse Lazare / Michael Christensen | Porsche 991 GT3 R | Alegra Motorsports | 1:47.1420 | 192.4775 |
| 35th | 75 | Kenny Habul / Boris Said / Tristan Vautier | Mercedes AMG GT3 | SunEnergy1 Racing | 1:47.3220 | 192.1557 |
| 36th | 991 | Santiago Creel / Wolf Henzler / Jan Heylen / Pablo Sanchez / Mike Hedlund | Porsche 991 GT3 R | TRG | 1:47.3890 | 191.9948 |
| 37th | 73 | Matthew McMurry / Patrick Lindsey / Jörg Bergmeister | Porsche 991 GT3 R | Park Place Motorsports | 1:47.3950 | 191.9948 |
| 38th | 11 | Mirko Bortolotti / Christian Engelhart / Rolf Ineichen / Ezequiel Pérez Companc | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:47.4110 | 191.9948 |
| 39th | 50 | Gunnar Jeannette / Thomas Jäger / Shane Van Gisbergen / Jeroen Bleekemolen / Cooper MacNeil | Mercedes AMG GT3 | Riley Motorsports - WeatherTech Racing | 1:47.4520 | 191.8338 |
| 40th | 46 | Emanuele Busnelli / Fabio Babini | Lamborghini Huracán GT3 | Ebimotors | 1:47.4660 | 191.8338 |
| 41st | 21 | Marco Mapelli / Luca Stolz / Lance Willsey / Franz Konrad | Lamborghini Huracán GT3 | Konrad Motorsport | 1:47.5660 | 191.6729 |
| 42nd | 16 | Jeroen Mul / Brett Sandberg / Kaz Grala / Nelson Piquet, Jr. | Lamborghini Huracán GT3 | Change Racing | 1:47.5910 | 191.6729 |
| 43rd | 51 | Peter Mann / Maurizio Mediani / Davide Rigon | Ferrari 488 GT3 | Spirit of Race | 1:47.6980 | 191.3510 |
| 44th | 63 | Christina Nielsen / Alessandro Balzan / Matteo Cressoni | Ferrari 488 GT3 | Scuderia Corsa | 1:47.7050 | 191.3510 |
| 45th | 54 | Jon Bennett / Colin Braun / Niclas Jönsson / Patrick Long | Porsche 991 GT3 R | Core Autosport | 1:47.7460 | 191.3510 |
| 46th | 98 | Paul Dalla Lana / Mathias Lauda / Pedro Lamy / Marco Sørensen | Aston Martin Vantage | Aston Martin Racing | 1:47.8500 | 191.1901 |
| 47th | 48 | Bryan Sellers / Madison Snow / Bryce Miller / Andrea Caldarelli | Lamborghini Huracán GT3 | Paul Miller Racing | 1:47.9280 | 191.0291 |
| 48th | 93 | Andy Lally / Katherine Legge / Mark Wilkins / Graham Rahal | Acura NSX GT3 | Michael Shank Racing | 1:47.9290 | 191.0291 |
| 49th | 15 | Jack Hawksworth / Robert Alon / Austin Cindric / Dominik Farnbacher | Lexus RCF GT3 | 3GT Racing | 1:47.9750 | 190.8682 |
| 50th | 27 | Lawrence DeGeorge / Raffaele Giammaria / Cedric Sbirrazzuoli / Paolo Ruberti / Luca Persiani | Lamborghini Huracán GT3 | Dream Racing Motorsport | 1:47.9860 | 190.8682 |
| 51st | 86 | Jeff Segal / Oswaldo Negri / Tom Dyer / Ryan Hunter-Reay | Acura NSX GT3 | Michael Shank Racing | 1:48.1310 | 190.7073 |
| 52nd | 14 | Scott Pruett / Ian James / Gustavo Menezes / Sage Karam | Lexus RCF GT3 | 3GT Racing | 1:48.1960 | 190.5463 |
| 53rd | 97 | Jens Klingmann | BMW M6 GT3 | Turner Motorsport | 1:48.4670 | 190.0635 |
| 54th | 61 | Christian Engelhart / Rolf Ineichen / Christoph Lenz / Roberto Pampanini / Milos Pavlovic | Lamborghini Huracán GT3 | GRT Grasser Racing Team | 1:48.6190 | 189.7417 |
| 55th | 18 | Anthony Massari / Patrice Brisebois / Zach Claman / Emmanuel Anassis | Lamborghini Huracán GT3 | DAC Motorsports | 1:48.9750 | 189.0979 |