| 1st | 23 | Mike Rockenfeller / Lucas Luhr / Patrick Long | Crawford DP03 Porsche | Alex Job Racing/Emory Motorsports | 1:43.4310 | 199.4122 |
| 2nd | 10 | Wayne Taylor / Emmanuel Collard / Max Angelelli / Ryan Briscoe | Riley Mk XI Pontiac | SunTrust Racing | 1:43.6980 | 198.8988 |
| 3rd | 58 | David Donohue / Darren Law / Sascha Maassen / Ted Christopher | Fabcar FDSC/03 Porsche | Red Bull/Brumos Porsche | 1:43.9530 | 198.4096 |
| 4th | 19 | Memo Gidley / Michael McDowell / Baron | Crawford DP03 Ford | Finlay Motorsports | 1:44.0470 | 198.2310 |
| 5th | 02 | Scott Dixon / Dan Wheldon / Casey Mears | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:44.0650 | 198.1971 |
| 6th | 6 | Ken Wilden / Paul Mears, Jr. / Mike Borkowski / Paul Tracy | Riley Mk XI Lexus | Graydon Elliot Fusion Racing with MSR | 1:44.1630 | 198.0105 |
| 7th | 01 | Scott Pruett / Luis Diaz / Max Papis | Riley Mk XI Lexus | CompUSA Chip Ganassi with Felix Sabates | 1:44.2100 | 197.9203 |
| 8th | 60 | Mark Patterson / Oswaldo Negri / A. J. Allmendinger / Justin Wilson | Riley Mk XI Lexus | Michael Shank Racing | 1:44.5430 | 197.2911 |
| 9th | 2 | Rusty Wallace / Patrick | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:44.6020 | 197.1801 |
| 10th | 7 | Brian Tuttle / Milka Duno / Marino Franchitti / Dario Franchitti | Riley Mk XI Pontiac | SAMAX/Tuttle Team Racing | 1:44.9550 | 196.5154 |
| 11th | 8 | Brian Frisselle / Burt Frisselle / Patrick Huisman | Doran JE4 Porsche | Synergy Racing | 1:44.9550 | 196.5154 |
| 12th | 77 | Harrison Brix / Forest Barber / Terry Borcheller / Michel Jourdain | Doran JE4 Ford | Feeds The Need/Doran Racing | 1:44.9560 | 196.5138 |
| 13th | 75 | Tracy Krohn / Niclas Jönsson / Jörg Bergmeister / Colin Braun | Riley Mk XI Pontiac | Krohn Racing | 1:45.0050 | 196.4220 |
| 14th | 99 | Bob Stallings / Alex Gurney / Jim Vasser / Rocky Moran, Jr. | Riley Mk XI Pontiac | Gainsco/Blackhawk Racing | 1:45.0370 | 196.3625 |
| 15th | 16 | Chris Dyson / Rob Dyson / Oliver Gavin / Guy Smith | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:45.0740 | 196.2933 |
| 16th | 89 | Alex Figge / Ryan Dalziel / Fogarty / Empringham | Riley Mk XI Pontiac | Pacific Coast Motorsports | 1:45.2740 | 195.9199 |
| 17th | 4 | Andy Wallace / Butch Leitzinger / Tony Stewart | Crawford DP03 Pontiac | Howard - Boss Motorsports | 1:45.2820 | 195.9055 |
| 18th | 97 | Skip Cummins / Tony Ave | Riley Mk XI Pontiac | CyberSpeed Racing | 1:45.3210 | 195.8330 |
| 19th | 12 | Adrian Fernandez / Haberfeld / Sharp | Riley Mk XI Pontiac | Lowe's Fernandez Racing | 1:45.3670 | 195.7477 |
| 20th | 28 | Rob Finlay / Michael Valiante / Bryan Herta / Buddy Rice | Crawford DP03 Ford | Finlay Motorsports | 1:45.4370 | 195.6174 |
| 21st | 39 | Eddie Cheever, Jr. / Christian Fittipaldi / Patrick Carpentier | Crawford DP03 Lexus | Cheever Racing | 1:45.5520 | 195.4049 |
| 22nd | 3 | Shane Lewis / Randy LaJoie | Riley Mk XI BMW | Southard Motorsports | 1:45.5890 | 195.3357 |
| 23rd | 40 | Chris Bingham / Randy Ruhlman / Ron Fellows | Riley Mk XI Pontiac | Derhaag Motorsports | 1:45.6400 | 195.2424 |
| 24th | 51 | Thomas Erdos / Mike Newton / Warren Hughes / Stefan Johansson | Crawford DP03 Lexus | Cheever Racing | 1:45.8350 | 194.8819 |
| 25th | 5 | Duncan Dayton / Rick Knoop / Brian DeVries / Jim Matthews | Crawford DP03 Ford | Essex Racing | 1:46.0540 | 194.4796 |
| 26th | 78 | Zacharias / Harrison Brix / Forest Barber / Michel Jourdain | Doran JE4 Ford | Doran Racing | 1:46.1820 | 194.2446 |
| 27th | 84 | George Robinson / Wally Dallenbach, Jr. / Paul Dallenbach / Darin Brassfield | Riley Mk XI Pontiac | Robinson Racing | 1:46.9230 | 192.8992 |
| 28th | 50 | Henry Zogaib / Ian James / Tom Nastasi / Chris Gleason | Crawford DP03 Ford | Blackforest Motorsports | 1:47.2630 | 192.2876 |
| 29th | 13 | Pot / Boulle / Howard | Multimatic MDP1 Ford Focus | Primus Racing | 1:47.4930 | 191.8756 |
| 30th | 88 | Cort Wagner / Jay Wilton / Nikolas Konstant / Jay Poscente / Romeo Kapudija | Chase CCE-001 Pontiac | Maverick Motorsports | 1:48.8690 | 189.4504 |
| 31st | 91 | Roger Schramm / Jack Baldwin | Fabcar FDSC/03 Pontiac | RVO Motorsports | 1:49.3220 | 188.6666 |
| 32nd | 74 | Eric Lux / Charles Espenlaub / Andrew Davis / Graham Rahal | Porsche 997 GT3 Cup | Tafel Racing | 1:52.7040 | 183.0049 |
| 33rd | 82 | Dirk Werner / Philipp Peter / Dieter Quester / Toto Wolff | Porsche 997 GT3 Cup | Farnbacher Racing/Farnbacher Loles | 1:53.1660 | 182.2582 |
| 34th | 17 | Lance Arnold / Jan Seyffarth / Johnny Mowlem / David Shep | Porsche 997 GT3 Cup | SAMAX | 1:53.6680 | 181.4519 |
| 35th | 64 | Paul Edwards / Kelly Collins / Andy Pilgrim / Jan Magnussen | Pontiac GTO.R | TRG | 1:53.7220 | 181.3666 |
| 36th | 65 | Andy Lally / Marc Bunting / Richard Valentine / Johnny O'Connell | Pontiac GTO.R | TRG | 1:53.7640 | 181.2990 |
| 37th | 05 | Matthew Alhadeff / Bill Auberlen / Tommy Milner / Justin Marks | BMW M3 | Sigalsport BMW | 1:53.8450 | 181.1703 |
| 38th | 73 | Jim Tafel / Michael Cawley / Shawn Price | Porsche 996 GT3 Cup | Tafel Racing | 1:53.9040 | 181.0770 |
| 39th | 70 | Sylvain Tremblay / David Haskell | Mazda RX-8 | SpeedSource | 1:54.2990 | 180.4509 |
| 40th | 36 | Michael Levitas / Spencer Pumpelly / Randy Pobst / Ian Baas | Porsche 996 GT3 Cup | TPC Racing | 1:54.3240 | 180.4107 |
| 41st | 66 | Steve Johnson / Robert Nearn / Cyrille Sauvage / Stéphane Ortelli | Porsche 997 GT3 Cup | TRG | 1:54.3500 | 180.3705 |
| 42nd | 22 | Emil Assentato / Spencer Pumpelly / Nick Longhi / Jean-Francois Dumoulin | Porsche 996 GT3 Cup | Fiorano Racing | 1:54.3860 | 180.3141 |
| 43rd | 71 | Greg Wilkins / David Lacey / Mark Wilkins / Brent Martini | Porsche 997 GT3 Cup | SAMAX/Doncaster Racing | 1:54.4640 | 180.1902 |
| 44th | 83 | Dominik Farnbacher / Mike Fitzgerald / Pierre Ehret / Marc Basseng | Porsche 997 GT3 Cup | Farnbacher Loles/Orbit Racing | 1:54.6280 | 179.9327 |
| 45th | 80 | David Murry / Leh Keen | Porsche 996 GT3 Cup | Synergy Racing | 1:54.9780 | 179.3855 |
| 46th | 67 | Marc Bullock / Bohdan Kroczek / Bill Keith / Patrick Flanagan | Porsche 997 GT3 Cup | TRG | 1:55.1610 | 179.1007 |
| 47th | 06 | Leighton Reese / Tommy Archer / Russ Oasis / Dino Crescentini | Chevrolet Corvette | Banner Racing | 1:55.6270 | 178.3781 |
| 48th | 57 | Tommy Riggins / Vic Rice / John Stevenson | Chevrolet Corvette | Stevenson Motorsports | 1:55.6580 | 178.3298 |
| 49th | 69 | Jake Vargo / Josh Vargo / Brady Refenning / Mark Herrington | Porsche 996 GT3 Cup | TRG | 1:55.9590 | 177.8679 |
| 50th | 86 | Don Kitch / Chris Pennington / Don Gagne / Chris Pallis | Porsche 997 GT3 Cup | Synergy Racing | 1:56.2620 | 177.4044 |
| 51st | 81 | Danny Marshall / Steve Marshall / Hal Prewitt / John Pew | Porsche 996 GT3 Cup | Synergy Racing | 1:56.3830 | 177.2194 |
| 52nd | 41 | Joe Nonnamaker / Wayne Nonnamaker / Will Nonnamaker | Porsche 996 GT3 Cup | Team Sahlen | 1:56.5870 | 176.9088 |
| 53rd | 14 | Patrick Small / Mac McGehee / Tory Herring / Bill Martin / Cory Friedman | Porsche 996 GT3 Cup | Autometrics Motorsports | 1:56.7160 | 176.7140 |
| 54th | 00 | Jim Thomasson / Ron Zitza / Tim Lewis, Jr. / Kevin Wheeler | Porsche 996 GT3 Cup | TZ Motorsports | 1:56.9140 | 176.4147 |
| 55th | 55 | Zach Arnold / Ken MacAlpine / John Miller | Chevrolet Corvette | ASC Motorsports | 1:57.3310 | 175.7870 |
| 56th | 93 | Dave Stewart / Rob Stewart / Bob Gilbert / Tony Ave | Porsche 996 GT3 Cup | TPC Racing | 1:57.5980 | 175.3879 |
| 57th | 46 | Michael Baughman / Ray Mason / Mike Yeakle | Chevrolet Corvette | Michael Baughman Racing | 1:57.6920 | 175.2479 |
| 58th | 87 | Dave Gaylord / Wes Hill / Ken Hill / Will Diefenbach | Porsche 997 GT3 Cup | Synergy Racing | 1:57.7680 | 175.1353 |
| 59th | 68 | Jim Lowe / Revere Greist / Jim Pace | Porsche 996 GT3 Cup | TRG | 1:58.5380 | 173.9974 |
| 60th | 43 | Joe Nonnamaker / Wayne Nonnamaker / Will Nonnamaker / Wes Allen / Jim Michaelian | Porsche 996 GT3 Cup | Team Sahlen | 1:58.6100 | 173.8928 |
| 61st | 24 | Brian O'Shaughnessy / Bill Cotter / Tom Malloy / Jacob Shalit | BMW M3 | Matt Connolly Motorsports | 1:58.6350 | 173.8558 |
| 62nd | 08 | Steve Goldin / Keith Goldin / Scott Finlay | Mazda RX-8 | Goldin Brothers Racing | 1:58.6500 | 173.8333 |
| 63rd | 92 | Dave Stewart / Rob Stewart / Bob Gilbert / Gary Stewart / Tony Ave | Porsche 996 GT3 Cup | TPC Racing | 1:58.9150 | 173.4454 |
| 64th | 21 | Gerald Van Uitert / Matt Connolly / Carlos de Quesada / Rick Sutherland / Tom Sutherland | BMW M3 E46 | Matt Connolly Motorsports | 1:59.0050 | 173.3151 |
| 65th | 48 | Hans Hauser / Robert Dubler / Toni Seiler / DeFontes | Chevrolet Corvette | WTF Engineering | 2:02.7200 | 168.0686 |