| 1st | 99 | Alex Gurney / Jon Fogarty / Memo Gidley / Darren Law | Chevrolet Corvette DP | GAINSCO/Bob Stallings Racing | 1:38.2700 | 209.8842 |
| 2nd | 90 | Richard Westbrook / Michael Valiante / Mike Rockenfeller | Chevrolet Corvette DP | Spirit Of Daytona | 1:38.4870 | 209.4223 |
| 3rd | 5 | João Barbosa / Christian Fittipaldi / Burt Frisselle / Sébastien Bourdais | Chevrolet Corvette DP | Action Express Racing | 1:38.6580 | 209.0586 |
| 4th | 9 | Fabien Giroix / Brian Frisselle / John Martin / Burt Frisselle | Chevrolet Corvette DP | Action Express Racing | 1:38.8380 | 208.6788 |
| 5th | 02 | Scott Dixon / Tony Kanaan / Marino Franchitti / Kyle Larson | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:38.9480 | 208.4471 |
| 6th | 10 | Ricky Taylor / Wayne Taylor / Max Angelelli / Jordan Taylor | Chevrolet Corvette DP | Wayne Taylor Racing | 1:39.0230 | 208.2877 |
| 7th | 0 | Andrew Meyrick / Katherine Legge / Alexander Rossi / Gabby Chaves | DeltaWing DWC13 Elan | DeltaWing Racing Cars | 1:39.2700 | 207.7695 |
| 8th | 01 | Scott Pruett / Memo Rojas / Jamie McMurray / Sage Karam | Riley Mk XXVI Ford | Chip Ganassi Racing | 1:39.4240 | 207.4476 |
| 9th | 60 | Oswaldo Negri / John Pew / A. J. Allmendinger / Justin Wilson | Riley Mk XXVI Ford | Michael Shank Racing with Curb/Agajanian | 1:39.7610 | 206.7476 |
| 10th | 6 | Klaus Graf / Lucas Luhr / Alex Brundle | Oreca 03 Nissan | Muscle Milk Pickett Racing | 1:39.8290 | 206.6076 |
| 11th | 31 | Eric Curran / Boris Said / Bradley Smith / Max Papis | Chevrolet Corvette DP | Marsh Racing | 1:40.5700 | 205.0851 |
| 12th | 50 | Jim Pace / Byron Defoor / Frank Beck / David Hinton | Riley Mk XXVI Dinan | Highway To Help | 1:41.5870 | 203.0316 |
| 13th | 54 | Jon Bennett / James Gue / Colin Braun / Mark Wilkins | Oreca FLM 09 | Core Autosport | 1:41.7770 | 202.6518 |
| 14th | 8 | Renger van der Zande / Mirco Schultis / Eric Lux / Sam Bird | Oreca FLM 09 | Starworks Motorsport | 1:41.8150 | 202.5762 |
| 15th | 2 | Ed Brown / Simon Pagenaud / Johannes Van Overbeek / Anthony Lazzaro | HPD ARX-03b | Extreme Speed Motorsports | 1:41.8850 | 202.4378 |
| 16th | 09 | Duncan Ende / David Heinemeier Hansson / Bruno Junqueira / Gustavo Menezes | Oreca FLM 09 | RSR Racing | 1:41.9320 | 202.3444 |
| 17th | 38 | Raphael Matos / David Ostella / Tomy Drissi / Gabriel Casagrande / Júlio Campos | Oreca FLM 09 | Performance Tech Motorsports | 1:42.0530 | 202.1046 |
| 18th | 1 | Scott Sharp / Ryan Dalziel / David Brabham | HPD ARX-03b | Extreme Speed Motorsports | 1:42.1570 | 201.8987 |
| 19th | 08 | Alex Tagliani / Chris Cumming / Rusty Mitchell / Conor Daly | Oreca FLM 09 | RSR Racing | 1:42.1870 | 201.8391 |
| 20th | 87 | Sean Rayhall / James Kovacic / Doug Bielefeld / Gaston Kearby / Tonis Kasemets | Oreca FLM 09 | BAR1 Motorsports | 1:42.4160 | 201.3885 |
| 21st | 52 | Gunnar Jeannette / Frankie Montecalvo / David Cheng / Mike Guasch | Oreca FLM 09 | PR1/Mathiasen Motorsports | 1:43.1560 | 199.9433 |
| 22nd | 42 | Olivier Pla / Roman Rusinov / Gustavo Yacaman / Oliver Webb | Morgan LM P2 Nissan | OAK Racing | 1:43.4200 | 199.4331 |
| 23rd | 7 | Pierre Kaffer / Alex Popow / Martin Fuentes / Isaac Tutumlu / Kyle Marcelli | Oreca FLM 09 | Starworks Motorsport | 1:44.1260 | 198.0813 |
| 24th | 91 | Marc Goossens / Dominik Farnbacher / Ryan Hunter-Reay | SRT Viper GTS-R | SRT Motorsports | 1:44.5060 | 197.3603 |
| 25th | 911 | Nick Tandy / Richard Lietz / Patrick Pilet | Porsche 991 RSR | Porsche North America | 1:44.5820 | 197.2171 |
| 26th | 93 | Jonathan Bomarito / Rob Bell / Kuno Wittmer | SRT Viper GTS-R | SRT Motorsports | 1:44.6170 | 197.1511 |
| 27th | 4 | Oliver Gavin / Tommy Milner / Robin Liddell | Chevrolet Corvette C7.R | Corvette Racing | 1:44.7290 | 196.9403 |
| 28th | 912 | Patrick Long / Michael Christensen / Jörg Bergmeister | Porsche 991 RSR | Porsche North America | 1:44.7460 | 196.9081 |
| 29th | 97 | Pedro Lamy / Stefan Mücke / Darren Turner / Paul Dalla Lana / Ritchie Stanaway | Aston Martin V8 Vantage GTE | Aston Martin Racing | 1:45.4390 | 195.6142 |
| 30th | 56 | John Edwards / Dirk Müller / Graham Rahal / Dirk Werner | BMW Z4 GTE | BMW Team RLL | 1:45.6670 | 195.1925 |
| 31st | 55 | Bill Auberlen / Andy Priaulx / Joey Hand / Maxime Martin | BMW Z4 GTE | BMW Team RLL | 1:45.6720 | 195.1828 |
| 32nd | 57 | Andrea Bertolini / Niclas Jönsson / Tracy Krohn / Peter Dumbreck | Ferrari 458 Italia | Krohn Racing | 1:46.8630 | 193.0070 |
| 33rd | 48 | Christopher Haase / René Rast / Bryce Miller / Matt Bell | Audi R8 LMS | Paul Miller Racing | 1:46.9730 | 192.8091 |
| 34th | 63 | Toni Vilander / Alessandro Balzan / Jeff Westphal / Lorenzo Casè | Ferrari 458 Italia | Scuderia Corsa | 1:47.0280 | 192.7093 |
| 35th | 65 | Daniel Serra / Francisco Longo / Xandinho Negrão / Marcos Gomes | Ferrari 458 Italia | Scuderia Corsa | 1:47.0520 | 192.6674 |
| 36th | 007 | James Davison / David Block / Al Carter / Brandon Davis | Aston Martin V12 Vantage | TRG-AMR | 1:47.0550 | 192.6610 |
| 37th | 555 | Townsend Bell / Scott Tucker / Bill Sweedler / Jeff Segal / Alessandro Pier Guidi | Ferrari 458 Italia | Level 5 Motorsports | 1:47.0620 | 192.6481 |
| 38th | 33 | Jeroen Bleekemolen / Ben Keating / Sebastiaan Bleekemolen / Emmanuel Collard | SRT Viper GT3-R | Riley Motorsports | 1:47.2550 | 192.3021 |
| 39th | 556 | Terry Borcheller / Scott Tucker / Mike LaMarra / Guy Cosmo / Milo Valverde | Ferrari 458 Italia | Level 5 Motorsports | 1:47.3480 | 192.1348 |
| 40th | 72 | Mika Salo / Boris Rotenberg / Maurizio Mediani / Sergey Zlobin / Mikhail Aleshin | Ferrari 458 Italia | SMP/ESM Racing | 1:47.3610 | 192.1122 |
| 41st | 009 | Jonathan Adam / Calum Lockie / Pete McIntosh II / Robert Nimkoff / Max Riddle | Aston Martin V12 Vantage | TRG-AMR | 1:47.4040 | 192.0350 |
| 42nd | 94 | Augusto Farfus / Dane Cameron / Markus Palttala / Paul Dalla Lana | BMW Z4 | Turner Motorsport | 1:47.4180 | 192.0108 |
| 43rd | 18 | Earl Bamber / Eugenio Amos / Bradley Blum / Alexandre Imperatori / Ron Zitza | Porsche 991 GT America | Muehlner Motorsports America | 1:47.5610 | 191.7549 |
| 44th | 44 | Andy Lally / John Potter / Wolf Henzler / J. F. Dumolin | Porsche 991 GT America | Magnus Racing | 1:47.5720 | 191.7356 |
| 45th | 22 | Leh Keen / Cooper MacNeil / Shane Van Gisbergen / Shane Lewis / Louis-Philippe Dumoulin | Porsche 991 GT America | Alex Job Racing | 1:47.6470 | 191.6021 |
| 46th | 58 | Jan Heylen / Madison Snow / Marco Seefried | Porsche 991 GT America | Snow Racing | 1:47.6490 | 191.5988 |
| 47th | 30 | Kuba Giermaziak / Henrique Cisneros / Nicki Thiim / Christina Nielsen | Porsche 991 GT America | NGT Motorsport | 1:47.7420 | 191.4331 |
| 48th | 73 | Kevin Estre / Patrick Lindsey / Connor De Phillippi / Jason Hart / Mike Vess | Porsche 991 GT America | Park Place Motorsports | 1:47.7490 | 191.4202 |
| 49th | 23 | Ian James / Marco Holzer / Mario Farnbacher / Alex Riberas | Porsche 991 GT America | Team Seattle/Alex Job Racing | 1:47.9520 | 191.0597 |
| 50th | 45 | Tim Pappas / Nelson Canache / Spencer Pumpelly / Markus Winkelhock | Audi R8 LMS | Flying Lizard Motorsports | 1:48.0450 | 190.8956 |
| 51st | 81 | Damien Faulkner / Bob Faieta / Michael Avenatti / Patrick Huisman | Porsche 991 GT America | GB Autosport | 1:48.0490 | 190.8891 |
| 52nd | 35 | Seth Neiman / Dion von Moltke / Alessandro Latif / Filipe Albuquerque | Audi R8 LMS | Flying Lizard Motorsports | 1:48.1400 | 190.7282 |
| 53rd | 32 | Frank Stippler / Alex Welch / James Sofronas / Marc Basseng | Audi R8 LMS | GMG Racing | 1:48.3810 | 190.3049 |
| 54th | 51 | Jack Gerber / Matt Griffin / Michele Rugolo / Marco Cioci | Ferrari 458 Italia | Spirit of Race | 1:48.4380 | 190.2035 |
| 55th | 28 | Lance Willsey / Christian Engelhart / Rolf Ineichen / Klaus Bachler | Porsche 991 GT America | Dempsey Racing | 1:48.7410 | 189.6741 |
| 56th | 64 | Ken Wilden / Rod Randall / John Farano / David Empringham / Billy Johnson | Ferrari 458 Italia | Scuderia Corsa | 1:48.7580 | 189.6451 |
| 57th | 19 | Randy Pobst / Jim Taggart / Robert Gewirtz / Mark Kvamme / Jim Michaelian | Porsche 991 GT America | Muehlner Motorsports America | 1:48.8210 | 189.5341 |
| 58th | 70 | Sylvain Tremblay / Tom Long / James Hinchcliffe | Mazda Prototype | SpeedSource | 1:49.7340 | 187.9585 |
| 59th | 07 | Joel Miller / Tristan Nunez / Tristan Vautier | Mazda Prototype | SpeedSource | 1:50.2510 | 187.0766 |
| 60th | 62 | Gianmaria Bruni / Matteo Malucelli / Giancarlo Fisichella / Olivier Beretta | Ferrari 458 Italia | Risi Competizione | no time | |
| 61st | 49 | Piergiuseppe Perazzini / Paolo Ruberti / Gianluca Roda / Davide Rigon | Ferrari 458 Italia | Spirit of Race | no time | |
| 62nd | 25 | Tom Kimber-Smith / Enzo Potolicchio / Michael Marsal | Oreca FLM 09 | 8Star Motorsports | no time | |
| 63rd | 3 | Jan Magnussen / Antonio Garcia / Ryan Briscoe | Chevrolet Corvette C7.R | Corvette Racing | no time | |
| 64th | 78 | Brendon Hartley / Scott Mayer / Alex Popow / E. J. Viso / Sebastian Saavedra | Riley Mk XXVI Dinan | Starworks Motorsport | 1:38.5250 | 209.3419 |
| 65th | 46 | Charles Putman / Oliver Jarvis / Charles Espenlaub / James Walker | Audi R8 LMS | Fall-Line Motorsports | 1:47.0500 | 192.6707 |
| 66th | 71 | Jim Norman / Norbert Siedler / Craig Stanton / Timo Bernhard | Porsche 991 GT America | Park Place Motorsports | 1:47.3540 | 192.1251 |
| 67th | 27 | Andrew Davis / Joe Foster / Patrick Dempsey / Marc Lieb | Porsche 991 GT America | Dempsey Racing | 1:47.4900 | 191.8821 |