| Pos | Nr | Pilotos (EST/PAÍS) | Pacote | Classe | Tempo/Dif |
| 1 | 10 | Jordan Taylor
Renger Van Der Zande
Ryan Hunter-Reay | Cadillac DPi | P | 1min36s083 |
| 2 | 7 | Helio Castroneves
Ricky Taylor
Graham Rahal | Acura DPi | P | 1min36s090 |
| 3 | 5 | Filipe Albuquerque
Joao Barbosa
Christian Fittipaldi | Cadillac DPi | P | 1min36s194 |
| 4 | 38 | James French
Pato O'Ward
Kyle Masson
Joel Miller | ORECA LMP2 | P | 1min36s318 |
| 5 | 90 | Matthew McMurry
Tristan Vautier
Edward Cheever | Cadillac DPi | P | 1min36s472 |
| 6 | 37 | Lance Stroll
Felix Rosenqvist
Robin Frijns
Daniel Juncadella | ORECA LMP2 | P | 1min36s492 |
| 7 | 31 | Felipe Nasr
Eric Curran
Mike Conway
Stuart Middleton | Cadillac DPi | P | 1min36s508 |
| 8 | 54 | Jonathan Bennett
Colin Braun
Romain Dumas
Loic Duval | ORECA LMP2 | P | 1min36s567 |
| 9 | 55 | Jonathan Bomarito
Harry Tincknell
Spencer Pigot | Mazda DPi | P | 1min36s633 |
| 10 | 6 | Dane Cameron
Juan Pablo Montoya
Simon Pagenaud | Acura DPi | P | 1min36s931 |
| 11 | 78 | Ho-Pin Tung
Alex Brundle
Ferdinand Habsburg-Lothringen
Antonio Felix da Costa | ORECA LMP2 | P | 1min36s982 |
| 12 | 85 | Simon Trummer
Robert Alon
Devlin DeFrancesco
Austin Cindric | ORECA LMP2 | P | 1min37s005 |
| 13 | 23 | Phil Hanson
Lando Norris
Fernando Alonso | Ligier LMP2 | P | 1min37s008 |
| 14 | 99 | Chris Miller
Stephen Simpson
Misha Goikhberg
Gustavo Menezes | ORECA LMP2 | P | 1min37s124 |
| 15 | 32 | Will Owen
Hugo de Sadeleer
Paul Di Resta
Bruno Senna Lalli | Ligier LMP2 | P | 1min38s186 |
| 16 | 52 | Sebastian Saavedra
Gustavo Yacaman
Roberto Gonzalez
Nicholas Boulle | Ligier LMP2 | P | 1min38s773 |
| 17 | 20 | Marc Drumwright
Eric Lux
Alex Popow Karaha
Tomy Drissi
Brendan Gaughan | Multimatic/Riley LMP2 | P | 1min41s778 |
| 18 | 3 | Jan Magnussen
Antonio Garcia
Mike Rockenfeller | Chevrolet Corvette C7.R | GTLM | 1min42s779 |
| 19 | 66 | Joey Hand
Dirk Mueller
Sebastien Bourdais | Ford GT | GTLM | 1min42s798 |
| 20 | 912 | Laurens Vanthoor
Earl Bamber
Gianmaria Bruni | Porsche 911 RSR | GTLM | 1min42s927 |
| 21 | 911 | Patrick Pilet
Nick Tandy
Frederic Makowiecki | Porsche 911 RSR | GTLM | 1min43s062 |
| 22 | 67 | Ryan Briscoe
Richard Westbrook
Scott Dixon | Ford GT | GTLM | 1min43s091 |
| 23 | 4 | Oliver Gavin
Tommy Milner
Marcel Fassler | Chevrolet Corvette C7.R | GTLM | 1min43s453 |
| 24 | 62 | Toni Vilander
Alessandro Pier Guidi
James Calado
Davide Rigon | Ferrari 488 GTE | GTLM | 1min43s601 |
| 25 | 25 | Alexander Sims
Connor De Phillippi
Bill Auberlen
Philipp Eng | BMW M8 GTLM | GTLM | 1min43s948 |
| 26 | 24 | Jesse Krohn
John Edwards
Nicky Catsburg
Augusto Farfus | BMW M8 GTLM | GTLM | 1min44s413 |
| 27 | 51 | Paul Dalla Lana
Pedro Lamy
Mathias Lauda
Daniel Serra | Ferrari 488 GT3 | GTD | 1min46s049 |
| 28 | 22 | Johannes van Overbeek
Pipo Derani
Nicolas Lapierre | Nissan DPi | P | 1min46s129 |
| 29 | 82 | Miguel Molina
Ricardo Perez de Lara
Martin Fuentes
Santiago Creel
Matt Griffin | Ferrari 488 GT3 | GTD | 1min46s502 |
| 30 | 11 | Rolf Ineichen
Mirko Bortolotti
Franck Perera
Rik Breukers | Lamborghini Huracan GT3 | GTD | 1min46s658 |
| 31 | 15 | Jack Hawksworth
David Heinemeier Hansson
Scott Pruett
Dominik Farnbacher | Lexus RC F GT3 | GTD | 1min46s714 |
| 32 | 63 | Cooper MacNeil
Alessandro Balzan
Gunnar Jeannette
Jeff Segal | Ferrari 488 GT3 | GTD | 1min47s055 |
| 33 | 14 | Dominik Baumann
Kyle Marcelli
Philipp Frommenwiler
Bruno Junqueira | Lexus RC F GT3 | GTD | 1min47s186 |
| 34 | 86 | Katherine Legge
Alvaro Parente
Trent Hindman
AJ Allmendinger | Acura NSX GT3 | GTD | 1min47s251 |
| 35 | 29 | Sheldon van der Linde
Kelvin van der Linde
Jeffrey Schmidt
Christopher Mies | Audi R8 LMS GT3 | GTD | 1min47s273 |
| 36 | 58 | Patrick Long
Christina Nielsen
Robert Renauer
Mathieu Jaminet | Porsche 911 GT3 R | GTD | 1min47s291 |
| 37 | 96 | Jens Klingmann
Martin Tomczyk
Mark Kvamme
Don Yount
Cameron Lawrence | BMW M6 GT3 | GTD | 1min47s348 |
| 38 | 44 | John Potter
Andy Lally
Andrew Davis
Markus Winkelhock | Audi R8 LMS GT3 | GTD | 1min47s442 |
| 39 | 59 | Steve Smith
Randy Renger
Harald Proczyk
Sven Muller
Matteo Cairoli | Porsche 911 GT3 R | GTD | 1min47s587 |
| 40 | 33 | Ben Keating
Jeroen Bleekemolen
Adam Christodoulou
Luca Stolz | Mercedes-AMG GT3 | GTD | 1min47s796 |
| 41 | 64 | Bill Sweedler
Townsend Bell
Frank Montecalvo
Sam Bird | Ferrari 488 GT3 | GTD | 1min47s839 |
| 42 | 69 | Chad Gilsinger
Ryan Eversley
Sean Rayhall
John Falb | Acura NSX GT3 | GTD | 1min47s862 |
| 43 | 48 | Bryan Sellers
Madison Snow
Andrea Caldarelli
Bryce Miller | Lamborghini Huracan GT3 | GTD | 1min48s181 |
| 44 | 93 | Justin Marks
Lawson Aschenbach
Mario Farnbacher
Côme Ledogar | Acura NSX GT3 | GTD | 1min48s239 |
| 45 | 75 | Kenny Habul
Thomas Jaeger
Maro Engel
Mikael Grenier | Mercedes-AMG GT3 | GTD | 1min48s326 |
| 46 | 19 | Max van Splunteren
Ezequiel Perez Companc
Christian Engelhart
Christopher Lenz
Louis Machiels | Lamborghini Huracan GT3 | GTD | 1min51s531 |
| NC | 2 | Scott Sharp
Ryan Dalziel
Olivier Pla | Nissan DPi | P | S/ tempo |
| NC | 71 | Kenton Koch
Robby Foley
Loris Spinelli Boggi
JC Perez | Mercedes-AMG GT3 | GTD | S/ tempo |
| NC | 73 | Patrick Lindsey
Joerg Bergmeister
Norbert Siedler
Timothy Pappas | Porsche 911 GT3 R | GTD | S/ tempo |
| NC | 77 | Oliver Jarvis
Tristan Nunez
Rene Rast | Mazda DPi | P | S/ tempo |
