2005 Portland Grand Prix

Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC).

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	LMP1	2	ADT Champion Racing	Frank Biela Emanuele Pirro	Audi R8	M	137
					Audi 3.6L Turbo V8
2	LMP1	20	Dyson Racing	Chris Dyson Andy Wallace	MG-Lola EX257	M	137
					MG (AER) XP20 2.0L Turbo I4
3	LMP1	16	Dyson Racing	Butch Leitzinger James Weaver	MG-Lola EX257	M	136
					MG (AER) XP20 2.0L Turbo I4
4	LMP2	37	Intersport Racing	Clint Field Gregor Fisken	Lola B05/40	G	132
					AER P07 2.0L Turbo I4
5	GT1	4	Corvette Racing	Oliver Gavin Olivier Beretta	Chevrolet Corvette C6.R	M	131
					Chevrolet 7.0L V8
6	GT1	3	Corvette Racing	Ron Fellows Johnny O'Connell	Chevrolet Corvette C6.R	M	131
					Chevrolet 7.0L V8
7	LMP1	12	Autocon Motorsports	Bryan Willman Michael Lewis	Riley & Scott Mk III C	D	130
					Elan 6L8 6.0L V8
8	GT1	5	Pacific Coast Motorsports	Alex Figge Ryan Dalziel	Chevrolet Corvette C5-R	Y	130
					Chevrolet 7.0L V8
9	GT1	35	Maserati Corse Risi Competizione	Fabrizio de Simone Mika Salo	Maserati MC12	P	129
					Maserati 6.0L V12
10	GT2	23	Alex Job Racing	Timo Bernhard Romain Dumas	Porsche 911 GT3-RSR	M	125
					Porsche 3.6L Flat-6
11	GT2	43	BAM!	Martin Jensen Wolf Henzler	Porsche 911 GT3-RSR	Y	124
					Porsche 3.6L Flat-6
12	GT2	45	Flying Lizard Motorsports	Johannes van Overbeek Jon Fogarty	Porsche 911 GT3-RSR	M	124
					Porsche 3.6L Flat-6
13	GT1	71	Carsport America	Michele Rugolo Tom Weickardt	Dodge Viper GTS-R	P	123
					Dodge 8.0L V10
14	GT2	50	Panoz Motor Sports	Bryan Sellers Robin Liddell	Panoz Esperante GT-LM	P	123
					Ford (Elan) 5.0L V8
15	GT2	51	Panoz Motor Sports	Marino Franchitti Christophe Tinseau	Panoz Esperante GT-LM	P	122
					Ford (Elan) 5.0L V8
16	GT2	79	J3 Racing	Justin Jackson Michael Galati	Porsche 911 GT3-RSR	P	120
					Porsche 3.6L Flat-6
17	GT2	44	Flying Lizard Motorsports	Lonnie Pechnik Seth Neiman	Porsche 911 GT3-RSR	M	120
					Porsche 3.6L Flat-6
18	LMP2	8	B-K Motorsport	Guy Cosmo Jamie Bach	Courage C65	G	117
					Mazda R20B 2.0L 3-Rotor
19	GT2	31	Petersen Motorsports White Lightning Racing	Patrick Long Jörg Bergmeister	Porsche 911 GT3-RSR	M	113
					Porsche 3.6L Flat-6
20 DNF	GT2	24	Alex Job Racing	Ian Baas Darren Law	Porsche 911 GT3-RSR	M	95
					Porsche 3.6L Flat-6
21 DNF	LMP2	10	Miracle Motorsports	Jeff Bucknum Chris McMurry	Courage C65	K	86
					AER P07 2.0L Turbo I4
22 DNF	GT1	63	ACEMCO Motorsports	Terry Borcheller Johnny Mowlem	Saleen S7-R	M	48
					Ford 7.0L V8
23 DNF	LMP1	1	ADT Champion Racing	Marco Werner JJ Lehto	Audi R8	M	48
					Audi 3.6L Turbo V8

• Pole Position - #20 Dyson Racing - 1:02.712
• Fastest Lap - #20 Dyson Racing - 1:04.271
• Distance - 269.068 miles (433.023 km)
• Average Speed - 97.78 mph (157.36 km/h)

• "Official Results" (PDF). Archived from the original (PDF) on November 10, 2006. Retrieved November 4, 2006. (51.2 KiB)