| 1st | 1 | Biela / Werner | Audi R8 | Infineon Team Joest | 1:11.738 | 1:11.7380 | 1:12.6680 | 1:13.6260 | 1:13.2180 | 1:12.4240 |
| 2nd | 16 | Weaver / *Leitzinger / *Wallace | Lola EX257 AER | Dyson Racing Team, Inc. | 1:12.208 | 1:12.4500 | 1:13.1430 | 1:15.8750 | 1:12.4580 | 1:12.2080 |
| 3rd | 38 | Lehto / Herbert / *Johansson | Audi R8 | Team ADT Champion Racing | 1:12.251 | 1:12.7000 | 1:12.6240 | 1:13.7410 | 1:12.5200 | 1:12.2510 |
| 4th | 10 | Beretta / Saelens / Papis | Panoz LMP 01 | JML Team Panoz | 1:13.137 | 1:13.2900 | 1:13.8770 | 1:15.7600 | 1:13.1370 | 1:13.9750 |
| 5th | 20 | de Radigues / Block / Dyson | Lola EX257 AER | Dyson Racing Team, Inc. | 1:13.775 | 1:13.7750 | 1:14.1080 | 1:22.5650 | 1:14.5960 | 1:14.7680 |
| 6th | 11 | Maxwell / Jeannette / Leuenberger | Panoz LMP 01 | JML Team Panoz | 1:14.166 | 1:14.1660 | 1:15.3750 | 1:17.1550 | no time | 1:14.5490 |
| 7th | 37 | Field / Dayton / Connor | Lola B160 Judd | Intersport Racing | 1:14.300 | 1:14.9300 | 1:15.6550 | 1:19.1680 | 1:14.8270 | 1:14.3000 |
| 8th | 30 | Field / Durand / Oberto | Riley & Scott Mk III C Elan | Intersport Racing | 1:15.550 | 1:15.5500 | 1:17.0510 | 1:19.8030 | 1:17.4970 | 1:16.6920 |
| 9th | 12 | Lewis / Drissi / Paterson | Riley & Scott Mk III C Lincoln | American Spirit Racing | 1:16.421 | 1:17.8630 | 1:16.7290 | 1:21.5710 | 1:18.0060 | 1:16.4210 |
| 10th | 88 | Menu / Kox / Enge | Ferrari 550 Maranello | Prodrive | 1:17.931 | 1:27.6940 | 1:18.8510 | 1:20.2780 | 1:20.0830 | 1:17.9310 |
| 11th | 80 | Brabham / Magnussen / Davidson | Ferrari 550 Maranello | Prodrive | 1:18.191 | 1:26.3380 | 1:19.7550 | 1:19.7270 | 1:19.8200 | 1:18.1910 |
| 12th | 4 | Gavin / Collins / Pilgrim | Chevrolet Corvette C5-R | Corvette Racing | 1:19.206 | 1:29.5740 | 1:20.1710 | 1:21.5860 | 1:19.9280 | 1:19.2060 |
| 13th | 08 | Lammers / Policand / Dor | Ferrari 550 Maranello | Prodrive | 1:19.666 | 1:29.9720 | 1:20.3780 | 1:21.1250 | 1:23.3550 | 1:19.6660 |
| 14th | 3 | Fellows / O'Connell / Fréon | Chevrolet Corvette C5-R | Corvette Racing | 1:19.794 | 1:30.2300 | 1:19.8780 | 1:22.4630 | 1:20.0100 | 1:19.7940 |
| 15th | 56 | Willman / Rudolph / McMurry | Pilbeam MP91 Willman | Team Bucknum Racing | 1:20.162 | 1:40.2130 | 1:21.9390 | 1:29.4940 | 1:21.9570 | 1:20.1620 |
| 16th | 0 | Naspetti / Camathias / *Schiattarella | Ferrari 550 Maranello | Team Olive Garden | 1:20.288 | 1:26.5750 | 1:20.9780 | 1:22.5760 | 1:20.6300 | 1:20.2880 |
| 17th | 18 | Davis / Workman / Bradley | Lola B2K/40 Nissan | Essex Racing | 1:20.413 | 1:24.0190 | 1:20.8240 | 1:24.2050 | 1:22.2600 | 1:20.4130 |
| 18th | 71 | Belloc / Weickardt / Cayrolle | Dodge Viper GTS-R | Carsport America | 1:22.015 | 1:31.3100 | 1:22.3200 | 1:46.6560 | 1:23.9330 | 1:22.0150 |
| 19th | 23 | Maassen / Luhr | Porsche 996 GT3-RS | Alex Job Racing | 1:23.033 | 1:29.3910 | 1:23.5340 | 1:23.5160 | 1:23.8260 | 1:23.0330 |
| 20th | 24 | Bernhard / Bergmeister / Dumas | Porsche 996 GT3-RS | Alex Job Racing | 1:23.295 | 1:30.2120 | 1:23.2950 | 1:23.7930 | 1:24.1110 | 1:23.3780 |
| 21st | 35 | Kelleners / Lazzaro | Ferrari 360 Modena GT | Risi Competizione | 1:23.449 | 1:34.0990 | 1:24.3880 | 1:24.8940 | 1:24.6270 | 1:23.4490 |
| 22nd | 43 | Baron / Rockenfeller / Hindery | Porsche 996 GT3-RS | Orbit Racing | 1:23.771 | 1:30.3760 | 1:24.9720 | 1:25.8250 | 1:25.3670 | 1:23.7710 |
| 23rd | 6 | Auberlen / Stuck / Said | BMW M3 E46 | Yokohama/ADVAN | 1:23.882 | 1:32.8480 | 1:24.5190 | 1:26.2260 | 1:24.7380 | 1:23.8820 |
| 24th | 31 | Mowlem / *Stanton / *Petersen | Porsche 996 GT3-RS | White Lightning/Petersen Motorsports | 1:23.888 | 1:33.2360 | 1:24.6700 | 1:25.9340 | no time | 1:23.8880 |
| 25th | 64 | Katz / Terada / Downing | WR LMP-02 Mazda | Downing/Atlanta, Inc. | 1:24.282 | 1:24.5820 | 1:24.2820 | no time | 1:28.9850 | 1:25.4630 |
| 26th | 66 | Buckler / Wagner / Long | Porsche 996 GT3-RS | The Racer's Group | 1:24.387 | 1:36.0050 | 1:25.3890 | 1:29.2930 | 1:26.5100 | 1:24.3870 |
| 27th | 60 | Liddell / Caffi / Warnock | Porsche 996 GT3-R | P.K. Sport | 1:24.752 | 1:30.8640 | 1:26.3190 | 1:27.4820 | 1:26.5720 | 1:24.7520 |
| 28th | 63 | Law / Lewis / Borcheller | Ferrari 360 Modena GT | Acemco Motorsports, LLC | 1:24.847 | 1:35.6560 | 1:25.9810 | 1:27.5490 | 1:25.8150 | 1:24.8470 |
| 29th | 42 | Pobst / Policastro, Jr. / Policastro | Porsche 996 GT3-RS | Orbit Racing | 1:25.073 | 1:40.4450 | 1:25.0730 | 1:25.5510 | 1:27.4130 | 1:25.2070 |
| 30th | 79 | Murry / Jackson / Cunningham | Porsche 996 GT3-RS | J-3 Racing, Inc. | 1:25.099 | 1:33.8640 | 1:25.0990 | 1:27.0140 | 1:26.7330 | 1:25.6090 |
| 31st | 28 | Grégoire / Earle / Shearer | Ferrari 360 Modena N-GT | JMB Racing USA | 1:26.140 | | | no time | 1:26.2420 | 1:26.1400 |
| 32nd | 52 | Burgess / Collin / Bagnall | Porsche 996 GT3-RS | Seikel Motorsport | 1:26.328 | 1:36.6020 | 1:27.6430 | 1:28.9250 | 1:28.0290 | 1:26.3280 |
| 33rd | 61 | Rice / Kapudija / Groom | Porsche 996 GT3-R | P.K. Sport | 1:26.333 | 1:36.3530 | 1:27.4480 | 1:28.3230 | 1:26.3330 | 1:26.7850 |
| 34th | 67 | Nastasi / Zwart / *Donner | Porsche 996 GT3-RS | The Racer's Group | 1:26.474 | 1:35.9330 | 1:26.4740 | 1:28.9110 | 1:26.7300 | 1:26.5060 |
| 35th | 89 | Negri / Frisselle / *Pumpelly | Porsche 996 GT3-RS | Inline Cunningham Racing | 1:26.783 | 1:36.4190 | 1:27.1850 | 1:27.9720 | 1:28.7660 | 1:26.7830 |
| 36th | 68 | Gleason / Ehret / Bunting | Porsche 996 GT3-RS | The Racer's Group | 1:26.929 | 1:35.5950 | 1:27.1950 | 1:27.9970 | 1:27.7310 | 1:26.9290 |
| 37th | 03 | Foster / Nyberg / Skelton | Panoz Esperante GT-LM Elan | Hyper Sport | 1:27.665 | 1:37.3750 | 1:28.2830 | 1:31.7330 | 1:29.8830 | 1:27.6650 |