| 1st | 1 | Pirro / Kristensen / Biela | Audi R8 | Audi Sport North America | 1:47.632 | 1:48.0290 | 1:48.4180 | 1:52.0910 | 1:48.9570 | 1:47.6320 |
| 2nd | 2 | Capello / Pescatori / Herbert | Audi R8 | Audi Sport North America | 1:48.744 | 1:48.7440 | 1:49.8480 | 1:52.6360 | 1:50.2600 | 1:50.4860 |
| 3rd | 7 | Collard / Lehto / Bernard | Cadillac Northstar LMP 02 | Team Cadillac | 1:49.877 | 1:51.1600 | 1:50.5040 | 1:56.9990 | 1:52.4370 | 1:49.8770 |
| 4th | 8 | Angelelli / Taylor / Tinseau | Cadillac Northstar LMP 02 | Team Cadillac | 1:50.441 | 1:51.4340 | 1:50.4410 | 1:58.3490 | 1:52.4890 | 1:50.5880 |
| 5th | 38 | Wallace / Johansson / Lammers | Audi R8 | Champion Racing | 1:50.495 | 1:50.7970 | 1:50.4950 | 1:53.1130 | 1:50.8050 | 1:51.0450 |
| 6th | 11 | Kane / Knight / Lally / *Hawkins | Lola EX257 AER | KnightHawk Racing, LLC | 1:50.543 | 1:50.5430 | 1:51.5610 | 2:01.1590 | 1:59.3290 | 1:51.3850 |
| 7th | 50 | Magnussen / Brabham / *van de Poele | Panoz LMP 01 | Panoz Motor Sports | 1:50.617 | 1:50.6170 | 1:53.7090 | 1:58.6630 | no time | 1:51.1500 |
| 8th | 51 | Herta / Auberlen / Donohue | Panoz LMP 01 | Panoz Motor Sports | 1:51.076 | 1:51.0760 | 1:52.7560 | 1:56.7640 | 1:52.9990 | 1:51.9430 |
| 9th | 36 | Goossens / Smith / Matthews | Riley & Scott Mk III C Elan | Riley & Scott Racing | 1:51.566 | 1:51.8340 | 1:51.9000 | 2:03.2470 | 1:51.5660 | 1:52.0050 |
| 10th | 27 | Theys / *Lienhard / *Baldi | Dallara LMP Judd | Doran Lista Racing | 1:51.927 | 1:52.1860 | 1:55.2360 | 2:01.2090 | 1:53.1390 | 1:51.9270 |
| 11th | 21 | Collins / Vann / Wilson | Ascari KZR-1 Judd | Team Ascari | 1:52.729 | 1:54.4470 | 1:52.7290 | 1:56.8490 | 1:59.2830 | 1:53.2680 |
| 12th | 19 | Lupberger / Bell / Kolby | Ascari KZR-1 Judd | Team Ascari | 1:53.575 | 1:55.6890 | 1:53.5750 | 2:01.2010 | 1:56.2900 | 1:54.2670 |
| 13th | 16 | Weaver / Leitzinger / Forbes-Robinson | Riley & Scott Mk III A Lincoln | Dyson Racing Team, Inc | 1:53.779 | 1:55.1970 | 1:54.5030 | 1:58.6040 | 1:54.9510 | 1:53.7790 |
| 14th | 37 | Field / Dayton / Durand | Lola EX257 AER | Intersport | 1:54.832 | 1:55.9000 | 1:54.8320 | 1:59.1540 | 2:40.4400 | 1:55.6240 |
| 15th | 20 | Schroeder / Dyson / Dyson | Riley & Scott Mk III A Lincoln | Dyson Racing Team Inc | 1:54.949 | 1:54.9490 | 1:55.8670 | 2:07.5550 | 1:59.8880 | 1:54.9600 |
| 16th | 00 | Jeannette / Block / Jackson | Panoz LMP-1 Roadster S | Gunnar Racing | 1:55.145 | 1:56.2190 | 1:55.1450 | 2:02.0020 | 1:58.3490 | 1:55.7390 |
| 17th | 40 | Jones / Jones / Jones | Reynard 2KQ VW | Racing Organisation Course | 1:56.347 | 2:00.5680 | 1:56.3470 | 2:08.1440 | 2:00.7220 | 2:01.6860 |
| 18th | 41 | Delétraz / Smithson / Pillon | Reynard 2KQ VW | Noel Del Bello Racing | 1:56.370 | 1:58.0800 | 1:59.8310 | 2:03.9010 | 1:58.1290 | 1:56.3700 |
| 19th | 17 | Maxwell / Duno / Graham | Panoz LMP07 Mugen | MBD Sportscar | 1:56.432 | 1:56.4320 | 1:59.5540 | 2:05.5610 | 2:09.3580 | 1:58.3550 |
| 20th | 18 | de Radigues / Lambert / Sutherland | Panoz LMP07 Mugen | MBD Sportscar | 1:56.957 | 1:56.9570 | 1:58.9950 | 2:06.7510 | no time | 1:58.5720 |
| 21st | 30 | Macaluso / Neuhaus / Brickell | Lola B2K/10B Judd | InterSport | 1:57.199 | 2:04.2350 | 2:03.4500 | 2:06.6800 | 1:57.1990 | 2:03.8250 |
| 22nd | 28 | Daoudi / de Fournoux / Smith | WR LM 2001 Peugeot | Welter Racing | 1:58.318 | 1:58.3180 | 2:02.3890 | 2:10.8490 | 2:03.6830 | 1:59.3420 |
| 23rd | 77 | Menu / Rydell / Enge | Ferrari 550 Maranello | Prodrive | 1:58.607 | 2:02.9710 | 1:58.6070 | 2:04.7450 | 2:18.4270 | 2:01.5920 |
| 24th | 3 | Fellows / O'Connell / Gavin | Chevrolet Corvette C5-R | Corvette Racing | 1:59.045 | 1:59.6990 | 2:01.5960 | 2:03.9500 | 2:00.8240 | 1:59.0450 |
| 25th | 4 | Collins / Pilgrim / Fréon | Chevrolet Corvette C5-R | Corvette Racing | 1:59.073 | 1:59.9400 | 2:00.3710 | 2:04.3490 | 2:00.5100 | 1:59.0730 |
| 26th | 46 | Hezemans / Kumpen / Cappellari | Chrysler Viper GTS-R | Team Carsport Holland | 2:00.441 | 2:01.4760 | 2:01.6790 | 2:38.5880 | 2:03.6340 | 2:00.4410 |
| 27th | 26 | Seiler / Borcheller / Konrad / *Slater | Saleen S7-R | Konrad Motorsport | 2:01.669 | 2:03.4670 | 2:02.3240 | 2:10.3420 | 2:03.5320 | 2:01.6690 |
| 28th | 86 | Bouchut / Vosse | Chrysler Viper GTS-R | Larbre Competition Chereau | 2:01.777 | 2:01.7850 | 2:02.1300 | 2:48.6400 | 2:03.4900 | 2:01.7770 |
| 29th | 83 | Erdos / McKellar / Johnson | Saleen S7-R | Graham Nash Motorsport | 2:02.241 | 2:03.0690 | 2:05.2020 | 2:07.6310 | 2:02.6590 | 2:02.2410 |
| 30th | 69 | Wankum / Foster / Bundy | Lola B2K/40 Nissan | Kyser Racing | 2:03.720 | | 2:06.2120 | 2:12.1340 | 2:07.6660 | 2:03.7200 |
| 31st | 5 | Bingham / Rice / MacLeod | Saleen S7-R | Park Place Racing | 2:03.832 | | 2:06.9370 | 2:15.7390 | 2:03.8320 | 2:07.9100 |
| 32nd | 89 | Veilleux / Julien / Merzon | Lola B2K/40 Nissan | Porschehaus Racing | 2:04.056 | 2:04.7330 | | | 2:04.0560 | 2:06.2720 |
| 33rd | 87 | Mirro / *Forgeois / *O'Born | Norma M2000-02 Ford | Sezio Florida Racing Team | 2:05.186 | | | | 2:05.1860 | 2:30.9190 |
| 34th | 55 | McMurry / *Willman / *Ehret | Pilbeam MP84 Nissan | Team Bucknum Racing | 2:05.466 | 2:06.7190 | 2:09.8480 | 2:16.2280 | 2:08.3900 | 2:05.4660 |
| 35th | 45 | Lewis / Goldrich / Fairbanks | Dodge Viper GTS-R | American Viperacing | 2:05.956 | 2:44.6580 | 2:05.9560 | 2:15.5190 | no time | 2:09.4790 |
| 36th | 25 | Slater / Pickering / *Brun / *Konrad | Saleen S7-R | Konrad Motorsport | 2:06.015 | 2:13.2580 | 2:08.2790 | 2:12.3960 | 2:06.0150 | 2:07.7230 |
| 37th | 24 | Fergus / Downing / Terada | AutoExe LMP-02 Mazda | AutoExe Motorsports | 2:06.027 | 2:06.0270 | 2:07.9300 | 2:14.7670 | 2:12.7300 | 2:10.2290 |
| 38th | 23 | Maassen / Luhr | Porsche 996 GT3-RS | Alex Job Racing | 2:06.499 | 2:07.4600 | 2:07.9690 | 2:09.0410 | 2:07.5130 | 2:06.4990 |
| 39th | 60 | Babini / Anapoli / Liddell | Porsche 996 GT3-RS | P.K. Sport Ltd. | 2:06.557 | 2:07.9460 | 2:07.9770 | | 2:08.7840 | 2:06.5570 |
| 40th | 57 | Dumas / *Amorim / *Fertl | Porsche 996 GT3-RS | Freisinger Motorsport | 2:06.624 | 2:07.7460 | 2:10.4940 | 2:11.5680 | 2:10.2470 | 2:06.6240 |
| 41st | 53 | Caffi / Riccitelli / Rosa | Porsche 996 GT3-RS | Seikel Motorsport | 2:07.514 | 2:08.3760 | 2:08.8880 | 2:12.0590 | 2:09.7570 | 2:07.5140 |
| 42nd | 31 | Montermini / *Argetsinger / *Hunter-Reay / *Garbagnati | Ferrari 360 Modena N-GT | JMB Racing | 2:07.560 | 2:09.0510 | 2:11.7600 | 2:12.3180 | 2:10.5910 | 2:07.5600 |
| 43rd | 22 | Bernhard / Bergmeister / Lieb | Porsche 996 GT3-RS | Alex Job Racing | 2:07.562 | 2:07.7860 | 2:08.6750 | 2:12.9760 | no time | 2:07.5620 |
| 44th | 56 | Bucknum / *Downs / *Ziegelman | Pilbeam MP84 Nissan | Team Bucknum Racing | 2:07.640 | 2:07.6400 | 2:08.2320 | 2:36.1030 | no time | 2:07.6400 |
| 45th | 66 | Buckler / Schrom / *Law | Porsche 996 GT3-RS | The Racers Group | 2:08.914 | 2:10.3900 | 2:11.7150 | 2:20.8430 | 2:09.4480 | 2:08.9140 |
| 46th | 79 | Murry / Jackson / Fitzgerald | Porsche 996 GT3-RS | J3 Racing | 2:09.472 | 2:09.4720 | 2:10.9390 | 2:15.0670 | no time | 2:09.7870 |
| 47th | 65 | Rymer / Youles / Mowlem | Porsche 996 GT3-R | Harlow Motorsport - Ricardo | 2:09.804 | 2:09.8040 | 2:10.8680 | 2:12.5660 | 2:20.6170 | 2:10.1050 |
| 48th | 44 | Gregg / Bunting / Weickardt | Dodge Viper GTS-R | American Viperacing | 2:09.836 | | 2:09.8360 | 2:31.9950 | no time | 2:31.1660 |
| 49th | 52 | Plumb / Bagnall / Collin | Porsche 996 GT3-RS | Seikel Motorsport | 2:10.356 | 2:11.2140 | 2:11.5270 | 2:12.2300 | 2:12.2770 | 2:10.3560 |
| 50th | 0 | Schiattarella / *Naspetti / *Cecotto | Ferrari 550 Maranello | Team Olive Garden | 2:10.831 | | 2:10.8310 | 2:54.8950 | no time | 2:11.1720 |
| 51st | 33 | Kelleners / *Franchitti | Ferrari 360 Modena GT | MSB Motorsport | 2:10.913 | 2:10.9130 | 2:13.1820 | 2:14.3020 | 2:15.8840 | 2:11.5140 |
| 52nd | 32 | Negri / Garbagnati / Vannini | Ferrari 360 Modena N-GT | JMB Racing | 2:10.997 | 2:10.9970 | 2:12.5490 | 2:13.0060 | 2:14.0450 | 2:11.3520 |
| 53rd | 43 | Borkowski / Baron / Hindery | Porsche 996 GT3-RS | Orbit | 2:11.285 | 2:11.8750 | 2:12.0330 | 2:21.8050 | 2:13.7910 | 2:11.2850 |
| 54th | 67 | Schumacher / Nagel / Pace | Porsche 996 GT3-RS | The Racers Group | 2:11.383 | 2:12.3650 | 2:11.3830 | 2:17.5750 | 2:13.7580 | 2:13.8520 |
| 55th | 61 | Alexander / Demeroutis / Masarati | Porsche 996 GT3-R | P.K. Sport Ltd. | 2:11.566 | 2:11.5660 | 2:12.8000 | | 2:13.8520 | 2:11.9850 |
| 56th | 99 | Wilson / Gleason / Dawson / *Gooding | Porsche 996 GT3-R | Cirtek Motorsport | 2:12.009 | 2:15.9520 | 2:14.2010 | 2:20.0970 | 2:12.0090 | 2:14.1200 |
| 57th | 42 | Schultheis / Willingham / Kester | Porsche 996 GT3-RS | Orbit | 2:12.415 | 2:12.6310 | 2:12.4150 | 2:17.8340 | 2:13.3790 | 2:12.6530 |
| 58th | 85 | Clément / Ahrlé / Simmenauer | Porsche 996 GT3-RS | 917 Racing Team | 2:13.300 | 2:13.5500 | 2:14.6900 | 2:33.4190 | 2:16.4710 | 2:13.3000 |
| 59th | 29 | Earle / Hayden / *Griffiths | Porsche 996 GT3-R | Sebah Automotive Limited | 2:13.640 | 2:14.9120 | 2:15.0550 | 2:17.4750 | 2:15.6560 | 2:13.6400 |
| 60th | 12 | Kox / Hill / Hugenholtz | Spyker C8 Double 12R | Spyker Squadron | 2:14.225 | 2:14.2250 | 2:16.7520 | 2:39.6220 | 2:26.3370 | 2:15.6080 |
| 61st | 58 | Vance / Forgeois / Southard | Porsche 996 GT3-RS | Freisinger Motorsport | 2:14.440 | 2:16.4190 | 2:14.4400 | 2:44.0850 | no time | 2:19.3450 |