| 1st | 10 | Taylor / Angelelli / Gordon / Magnussen | Riley Mk XI Pontiac | SunTrust Racing | 1:43.483 | 1:43.4830 |
| 2nd | 99 | Gurney / Fogarty / Stallings / Vasser | Riley Mk XI Pontiac | Gainsco/Bob Stallings Racing | 1:43.730 | 1:43.7300 |
| 3rd | 02 | Dixon / Wheldon | Riley Mk XI Lexus | Target Chip Ganassi with Felix Sabates | 1:43.997 | 1:43.9970 |
| 4th | 59 | France / Haywood / Barbosa / Moreno | Riley Mk XI Porsche | Brumos Porsche/Kendall | 1:44.190 | 1:44.1900 |
| 5th | 05 | Auberlen / Alhadeff / Sigal / Wendlinger | Riley Mk XI BMW | Sigalsport BMW | 1:44.213 | 1:44.2130 |
| 6th | 01 | Scott Pruett | Riley Mk XI Lexus | TELMEX Chip Ganassi with Felix Sabates | 1:44.259 | 1:44.2590 |
| 7th | 91 | Matthews / Goossens / Johnson / Hunter-Reay | Riley Mk XI Pontiac | Lowe's Riley-Matthews Motorsports | 1:44.286 | 1:44.2860 |
| 8th | 7 | Kimber-Smith / Enge / Bucknum | Riley Mk XI Pontiac | SAMAX | 1:44.372 | 1:44.3720 |
| 9th | 76 | Braun / Papis / Lehto | Riley Mk XI Pontiac | Krohn Racing | 1:44.413 | 1:44.4130 |
| 10th | 58 | Donohue / Law / Rice / Sharp | Riley Mk XI Porsche | Red Bull/Brumos Porsche | 1:44.464 | 1:44.4640 |
| 11th | 19 | Finlay / Valiante / McDowell / Labonte | Crawford DP03 Ford | Finlay Motorsports | 1:44.516 | 1:44.5160 |
| 12th | 23 | Bergmeister / Dumas / Long | Crawford DP03 Porsche | Alex Job Racing | 1:44.605 | 1:44.6050 |
| 13th | 84 | Robinson / Dallenbach, Jr. / Dallenbach / Legge | Riley Mk XI Pontiac | Robinson Racing | 1:44.660 | 1:44.6600 |
| 14th | 75 | Krohn / Jönsson | Riley Mk XI Pontiac | Krohn Racing | 1:44.676 | 1:44.6760 |
| 15th | 39 | Fittipaldi / Cheever, Jr. / Collard / Maassen | Crawford DP03 Porsche | Cheever Racing | 1:44.689 | 1:44.6890 |
| 16th | 60 | Patterson / Negri / Castroneves / Hornish, Jr. | Riley Mk XI Lexus | Michael Shank Racing | 1:44.841 | 1:44.8410 |
| 17th | 16 | Dyson / Dyson / Smith / Gavin | Crawford DP03 Pontiac | Howard Motorsports | 1:44.863 | 1:44.8630 |
| 18th | 11 | Duno / Manning / Carpentier / Dalziel | Riley Mk XI Pontiac | SAMAX | 1:45.021 | 1:45.0210 |
| 19th | 6 | Zogaib / James / Tracy / Allmendinger | Riley Mk XI Lexus | Michael Shank Racing | 1:45.280 | 1:45.2800 |
| 20th | 47 | Morgan / Morgan / Bernhard / Zacharias | Riley Mk XI Porsche | TruSpeed Motorsports | 1:45.495 | 1:45.4950 |
| 21st | 00 | Carpenter / Scheckter / George / Foyt | Crawford DP03 Porsche | Vision Racing | 1:45.525 | 1:45.5250 |
| 22nd | 77 | Gollin / Gidley / Jourdain / Servia | Doran JE4 Ford | Doran Racing | 1:45.596 | 1:45.5960 |
| 23rd | 20 | Wallace / Leitzinger / Stewart | Crawford DP03 Pontiac | Howard Motorsports | 1:45.606 | 1:45.6060 |
| 24th | 61 | Wilkins / Empringham / Frisselle / Frisselle | Riley Mk XI Lexus | AIM Autosport | 1:46.358 | 1:46.3580 |
| 25th | 51 | Newton / Erdos / Brix | Fabcar FDSC/03 Porsche | Cheever Racing | 1:46.485 | 1:46.4850 |
| 26th | 3 | Lewis / Ruhlman | Riley Mk XI Lexus | Southard Motorsports | 1:46.703 | 1:46.7030 |
| 27th | 12 | Schramm / Baldwin / Lester | Riley Mk XI Pontiac | RVO Motorsports | 1:47.335 | 1:47.3350 |
| 28th | 18 | Alzen / Renauer / Borcheller / Mazzacane / Pastorelli | Fabcar FDSC/03 Porsche | VICI Racing | 1:47.511 | 1:47.5110 |
| 29th | 28 | McQuiston / Feinberg / Safina | Porsche 997 GT3 Cup | At Speed Motorsports | 1:51.946 | 1:51.9460 |
| 30th | 85 | Keen / Ehret / Werner / Hardt | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 1:52.016 | 1:52.0160 |
| 31st | 66 | Lally / Pumpelly / Valentine / Greenberg / Buckler | Porsche 997 GT3 Cup | TRG | 1:52.791 | 1:52.7910 |
| 32nd | 86 | Bowman / Bell / Willsley / Price | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 1:52.815 | 1:52.8150 |
| 33rd | 81 | Johnson / Westbrook / Lietz / Huisman | Porsche 997 GT3 Cup | Synergy Racing | 1:52.991 | 1:52.9910 |
| 34th | 72 | Davis / Swartzbaugh / Liddell / Tafel | Porsche 997 GT3 Cup | Tafel Racing | 1:53.109 | 1:53.1090 |
| 35th | 74 | Lux / Henzler / Farnbacher / Tafel | Porsche 997 GT3 Cup | Tafel Racing | 1:53.168 | 1:53.1680 |
| 36th | 15 | Nastasi / Tagliani / Cosmo / Gigliotti | Ford Mustang Cobra GT | Blackforest Motorsports | 1:53.286 | 1:53.2860 |
| 37th | 70 | Haskell / Tremblay / Ham / Pobst | Mazda RX-8 | SpeedSource | 1:53.408 | 1:53.4080 |
| 38th | 88 | Loles / Miller / Pank / Plumb / Stanton | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 1:53.409 | 1:53.4090 |
| 39th | 87 | Zugel / Burke / Jeannette / Eversley | Porsche 997 GT3 Cup | Farnbacher Loles Motorsports | 1:53.567 | 1:53.5670 |
| 40th | 65 | Gomez / Marden / Milner / Peterson | Porsche 997 GT3 Cup | TRG | 1:53.688 | 1:53.6880 |
| 41st | 64 | Lowe / Pace / Van Overbeek / Kelleners | Porsche 997 GT3 Cup | TRG | 1:53.935 | 1:53.9350 |
| 42nd | 07 | Edwards / Pilgrim / O'Connell / Collins | Pontiac GXP.R | Banner Racing | 1:54.045 | 1:54.0450 |
| 43rd | 06 | Reese / Pilgrim / Edwards / Collins | Pontiac GXP.R | Banner Racing | 1:54.214 | 1:54.2140 |
| 44th | 69 | Assentato / Longhi / Segal | Mazda RX-8 | SpeedSource | 1:54.239 | 1:54.2390 |
| 45th | 63 | Spencer / Spencer / Grupp | Mazda RX-8 | Team Spencer Motorsports | 1:54.367 | 1:54.3670 |
| 46th | 89 | Ellis / Grande / Rossi / Wellon / Friedman | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:54.893 | 1:54.8930 |
| 47th | 73 | Nielsen / Martini / Quester / Peter | Porsche 997 GT3 Cup | Tafel Racing | 1:54.926 | 1:54.9260 |
| 48th | 68 | Ballou / Jaeger / Gleason / DeSimone II | Porsche 997 GT3 Cup | TRG | 1:55.202 | 1:55.2020 |
| 49th | 67 | Bourque / Cloet / Solley / Harris | Porsche 997 GT3 Cup | TRG | 1:55.635 | 1:55.6350 |
| 50th | 57 | Cicero / Bunting / Gue / Stevenson | Chevrolet Corvette | Stevenson Motorsports | 1:55.775 | 1:55.7750 |
| 51st | 21 | Alessi / Connolly / Kapudija | BMW M3 | Matt Connolly Motorsports | 1:55.955 | 1:55.9550 |
| 52nd | 17 | Lacey / Wilkins / Arnold / Mowlem / Papadopoulos | Porsche 997 GT3 Cup | Doncaster Racing | 1:56.199 | 1:56.1990 |
| 53rd | 22 | de Quesada / Dumoulin / Gabel | Porsche 997 GT3 Cup | Alegra Motorsports/Fiorano Racing | 1:56.385 | 1:56.3850 |
| 54th | 43 | Sahlen / Nonnamaker / Nonnamaker / Nonnamaker | Chevrolet Corvette | Team Sahlen | 1:56.866 | 1:56.8660 |
| 55th | 14 | Patch / McGehee / Allen / Hamblin / Friedman | Porsche 997 GT3 Cup | Autometrics Motorsports | 1:57.182 | 1:57.1820 |
| 56th | 83 | Gaylord / Pickering / Hilton / McCrackin | Porsche 997 GT3 Cup | Synergy Racing | 1:58.332 | 1:58.3320 |
| 57th | 24 | Dennard / Pickett / Cotter | BMW M3 | Matt Connolly Motorsports | 1:59.353 | 1:59.3530 |
| 58th | 08 | Goldin / Goldin / Finger | Mazda RX-8 | Goldin Brothers Racing | 1:59.629 | 1:59.6290 |
| 59th | 42 | Mayes / Kaemmer / Auriemma / Willcox | Porsche 996 GT3 Cup | Team Sahlen | 1:59.674 | 1:59.6740 |
| 60th | 82 | Kitch / Pennington / Pallis / Bawcutt | Porsche 997 GT3 Cup | Synergy Racing | 1:59.769 | 1:59.7690 |
| 61st | 49 | Sahlen / Nonnamaker / Nonnamaker / Nonnamaker | Pontiac GTO | Team Sahlen | 1:59.885 | 1:59.8850 |
| 62nd | 48 | Hauser / Dubler / Magner / DeFontes | Chevrolet Corvette | WTF Engineering | 2:00.092 | 2:00.0920 |
| 63rd | 46 | Baughman / Collyer / Connolly | Chevrolet Corvette | Michael Baughman Racing | 2:02.324 | 2:02.3240 |
| 64th | 41 | Brent / Michaelian / Michaelian / Malloy / Becker | Porsche 996 GT3 Cup | Team Sahlen | 2:04.771 | 2:04.7710 |