| | No. | Class | Team | Drivers | Car | Laps | Best |
| 1 | 01 | DP | Chip Ganassi Racing
with Felix Sabates | Joey Hand
Scott Pruett
Graham Rahal
Memo Rojas | Riley BMW | 720 Laps | 1:40.936 |
| 2 | 02 | DP | Chip Ganassi Racing
with Felix Sabates | Scott Dixon
Dario Franchitti
Jamie McMurray
Juan Pablo Montoya | Riley BMW | 720 Laps | 1:41.328 |
| 3 | 9 | DP | Action Express Racing | Joao Barbosa
Terry Borcheller
Christian Fittipaldi
JC France
Max Papis | Riley Porsche | 720 Laps | 1:41.913 |
| 4 | 23 | DP | United Autosports
with Michael Shank Racing | Mark Blundell
Zak Brown
Martin Brundle
Mark Patterson | Riley Ford | 720 Laps | 1:41.549 |
| 5 | 10 | DP | SunTrust Racing | Max Angelelli
Ryan Briscoe
Ricky Taylor
Wayne Taylor | Dallara Chevrolet | 719 Laps | 1:41.084 |
| 6 | 76 | DP | Krohn Racing | Nic Jonsson
Tracy Krohn
Nic Minassian
Ricardo Zonta | Lola Ford | 719 Laps | 1:41.941 |
| 7 | 6 | DP | Michael Shank Racing
with Curb/Agajanian | AJ Allmendinger
Michael McDowell
Justin Wilson | Dallara Ford | 718 Laps | 1:41.832 |
| 8 | 55 | DP | Level 5 Motorsports | Christophe Bouchout
Luis Diaz
Scott Tucker
Mark Wilkins | Riley BMW | 717 Laps | 1:42.065 |
| 9 | 5 | DP | Action Express Racing | David Donohue
Burt Frisselle
Darren Law
Buddy Rice | Riley Porsche | 716 Laps | 1:41.792 |
| 10 | 60 | DP | Michael Shank Racing | Marc Goossens
Ozz Negri
John Pew
Michael Valiante | Riley Ford | 705 Laps | 1:41.527 |
| 11 | 95 | DP | Level 5 Motorsports | Ryan Hunter-Reay
Raphael Matos
Scott Tucker
Richard Westbrook | Riley BMW | 702 Laps | 1:41.656 |
| 12 | 67 | GT | TRG | Steven Bertheau
Brendan Gaughan
Wolf Henzler
Andy Lally
Spencer Pumpelly | Porsche GT3 | 684 Laps | 1:49.441 |
| 13 | 48 | GT | Paul Miller Racing | Rob Bell
Bryce Miller
Bryan Sellers
Tim Sugden | Porsche GT3 | 683 Laps | 1:49.740 |
| 14 | 40 | GT | Dempsey Racing | Patrick Dempsey
Charles Espenlaub
Joe Foster
Tom Long | Mazda RX-8 | 680 Laps | 1:50.413 |
| 15 | 99 | DP | GAINSCO /
Bob Stallings Racing | Jon Fogarty
Alex Gurney
Jimmie Johnson | Riley Chevrolet | 678 Laps | 1:41.570 |
| 16 | 44 | GT | Magnus Racing | Marco Holzer
Richard Lietz
John Potter
Craig Stanton | Porsche GT3 | 674 Laps | 1:49.335 |
| 17 | 59 | GT | Brumos Racing | Andrew Davis
Hurley Haywood
Leh Keen
Marc Lieb | Porsche GT3 | 672 Laps | 1:49.868 |
| 18 | 70 | GT | SpeedSource | Jonathan Bomarito
Adam Christodoulou
John Edwards
Sylvain Tremblay | Mazda RX-8 | 669 Laps | 1:50.140 |
| 19 | 42 | GT | Team Sahlen | Memo Gidley
Joe Nonnamaker
Wayne Nonnamaker
Will Nonnamaker
Joe Sahlen | Mazda RX-8 | 660 Laps | 1:50.969 |
| 20 | 4 | GT | TRG | Ryan Eversley
Daniel Graeff
Kenny Wallace
Ron Yarab Jr
Richard Zahn | Porsche GT3 | 658 Laps | 1:50.700 |
| 21 | 45 | DP | Flying Lizard Motorsports | Jörg Bergmeister
Pat Long
Seth Neiman
Johannes van Overbeek | Riley Porsche | 654 Laps | 1:40.417 |
| 22 | 18 | GT | Mühlner Motorsport | Cory Friedman
Peter Ludwig
Mark Thomas
Dion von Moltke | Porsche GT3 | 654 Laps | 1:51.328 |
| 23 | 90 | DP | Spirit of Daytona Racing | Paul Edwards
Antonio Garcia
Sascha Maassen | Coyote Chevrolet | 649 Laps | 1:41.848 |
| 24 | 41 | GT | Dempsey Racing | Dane Cameron
James Gue
Ian James
Don Kitch Jr
Dave Lacey | Mazda RX-8 | 649 Laps | 1:50.955 |
| 25 | 47 | GT | Rick Ware Racing | Jeffrey Earnhardt
Doug Harrington
Maurice Hull
Scott Monroe | Porsche GT3 | 634 Laps | 1:55.150 |
| 26 | 57 | GT | Stevenson Motorsports | Ronnie Bremer
Robin Liddell
Jan Magnussen | Camaro GT.R | 628 Laps | 1:49.565 |
| 27 | 66 | GT | TRG | Dominik Farnbacher
Tim George Jr
Ben Keating
Lucas Luhr | Porsche GT3 | 612 Laps | 1:49.736 |
| 28 | 88 | GT | Autohaus Motorsports | Bill Lester
Matthew Marsh
Johnny O'Connell
Jordan Taylor | Camaro GT.R | 606 Laps | 1:49.901 |
| 29 | 81 | GT | DragonSpeed | Doug Baron
Fred Poordad
Cort Wagner | Ferrari 430 Challenge | 587 Laps | 1:53.464 |
| 30 | 54 | GT | TRG/Black Swan Racing/
GMG Racing | Jeroen Bleekemolen
Bret Curtis
Tim Pappas
Patrick Pilet
James Sofronas | Porsche GT3 | 578 Laps | 1:50.020 |
| 31 | 2 | DP | Starworks Motorsport
Ford / Riley | Romain Iannetta
Alex Popow
Enzo Potoliccio | Riley Ford | 576 Laps | 1:42.145 |
| 32 | 94 | GT | Turner Motorsport | Bill Auberlen
Paul Dalla Lana
Matt Plumb
Boris Said | BMW M3 | 564 Laps | 1:49.479 |
| 33 | 8 | DP | Starworks Motorsport | Colin Braun
Ryan Dalziel
Tomas Enge
Mike Forest
Jim Lowe | Riley Ford | 552 Laps | 1:41.578 |
| 34 | 63 | GT | Team Spencer Motorsports | Jim Downing
Richard Grupp
David Murry
Dennis Spencer
Owen Trinkler | Mazda RX-8 | 543 Laps | 1:54.147 |
| 35 | 65 | GT | Chris Smith Racing | Dave Mundy
Tony Rivera
Thomas Sheehan | Porsche GT3 | 494 Laps | 1:50.444 |
| 36 | 30 | GT | Racers Edge Motorsports | Jade Buford
Gary Jensen
Mark Jensen
Michael Marsal
Scott Rettich | Mazda RX-8 | 453 Laps | 1:53.935 |
| 37 | 53 | GT | TRG/Nadeau Motorsports | Bob Doyle
Jim Michaelian
Coulter Mulligan | Porsche GT3 | 422 Laps | 1:51.201 |
| 38 | 32 | GT | PR1 Motorsports | David Cheng
Max Hyatt
Ryan Lewis
Tom Papadopoulos | BMW M6 | 402 Laps | 1:50.825 |
| 39 | 07 | GT | Banner Racing | Eric Curran
Oliver Gavin
Bruce Ledoux
Gunter Schaldach | Camaro GT.R | 398 Laps | 1:50.113 |
| 40 | 17 | GT | Burtin Racing | Nicolas Armindo
Jack Baldwin
Claudio Burtin
Martin Ragginger
Nick Tandy | Porsche GT3 | 378 Laps | 1:49.481 |
| 41 | 22 | GT | Bullet Racing | Eric Lux
Darryl O'Young
Brian Wong | Porsche GT3 | 328 Laps | 1:51.028 |
| 42 | 77 | DP | Doran Racing | Matt Bell
Brian Frisselle
Ross Kaiser
Henri Richard | Dallara Ford | 312 Laps | 1:42.410 |
| 43 | 56 | GT | Bennett Racing | Jonathan Allen
Michael Davidson
Jean-Francis Dumoulin
Glynn Geddie
Mike Skeen | Ferrari 430 Challenge | 285 Laps | 1:53.129 |
| 44 | 7 | DP | Starworks Motorsport | Jared Beyer
Jan Heylen
Scott Mayer
Doug Peterson
RJ Valentine | Riley Ford | 215 Laps | 1:42.762 |
| 45 | 69 | GT | SpeedSource | Emil Assentato
Nick Ham
Anthony Lazzaro
Nick Longhi
Jeff Segal | Mazda RX-8 | 202 Laps | 1:51.075 |
| 46 | 43 | GT | Team Sahlen | Memo Gidley
Joe Nonnamaker
Wayne Nonnamaker
Will Nonnamaker
Joe Sahlen | Mazda RX-8 | 124 Laps | 1:52.983 |
| 47 | 36 | GT | Yellow Dragon Motorsports | Chris Cumming
Taylor Hacquard
Justin Marks
Mikel Miller | Mazda RX-8 | 122 Laps | 1:52.919 |
| 48 | 86 | GT | Mitchum Motorsports | Joey Atterbury
Cooper MacNeil
Randy Pobst
Derek Whitis | Porsche GT3 | 121 Laps | 1:52.330 |
