The Portland Grand Prix was a sports car race held at the Portland International Raceway in Portland, Oregon from 1978 until 2006. It began as a round of the IMSA GT Championship, and became an American Le Mans Series race in 1999.
Winners
Date Overall winner(s) Entrant Car Distance/Duration Race title Report IMSA GT Championship 1978 Peter Gregg Brumos Porsche Porsche 935/77A G.I. Joe's Grand Prix report 1979 Peter Gregg Peter Gregg Racing Porsche 935/79 G.I. Joe's Grand Prix report 1980 John Fitzpatrick Dick Barbour Racing Porsche 935 K3/80 G.I. Joe's Grand Prix report 1981 Brian Redman Kent Cooke/Wood Racing Lola T600-Chevrolet G.I. Joe's Grand Prix report 1982 John Paul Jr. JLP Racing Porsche 935 JLP-4 G.I. Joe's Toyota Grand Prix report 1983 Al Holbert Holbert Racing March 83G-Porsche 3 hours G.I. Joe's Grand Prix report 1984 Randy Lanier Bill Whittington Blue Thunder Racing Team March 84G-Chevrolet 3 hours G.I. Joe's Grand Prix report 1985 Al Holbert Holbert Racing Porsche 962 G.I. Joe's Grand Prix report 1986 Al Holbert Holbert Racing Porsche 962 G.I. Joe's Grand Prix report 1987 Chip Robinson Holbert Racing Porsche 962 G.I. Joe's Grand Prix report 1988 Geoff Brabham Electramotive Engineering Nissan GTP ZX-T G.I. Joe's Camel Grand Prix report 1989 Jan Lammers Price Cobb Castrol Jaguar Racing Jaguar XJR-10 G.I. Joe's Camel Grand Prix report 1990 Davy Jones Castrol Jaguar Racing Jaguar XJR-10 G.I. Joe's Camel Grand Prix report 1991 Juan Manuel Fangio II All American Racers Eagle Mk III-Toyota G.I. Joe's Camel Grand Prix presented by Nissan report 1992 P. J. Jones All American Racers Eagle Mk III-Toyota 2 hours G.I. Joe's Camel Grand Prix presented by Nissan report 1993 Juan Manuel Fangio II All American Racers Eagle Mk III-Toyota 1 hour, 45 minutes G.I. Joe's/Camel Grand Prix report 1994 Jeremy Dale Brix Racing Spice HC94-Oldsmobile 2 hours Grand Prix of Portland report 1995—1998 Not held American Le Mans Series 1999 Éric Bernard David Brabham Panoz Motor Sports Panoz LMP-1 Roadster-S 2 hours, 45 minutes Rose City Grand Prix report 2000 Rinaldo Capello Allan McNish Audi Sport North America Audi R8 2 hours, 45 minutes Decision Point Applications Rose City Grand Prix report 2001 David Brabham Jan Magnussen Panoz Motor Sports Panoz LMP-1 Roadster-S 2 hours, 45 minutes Grand Prix of Portland report 2002—2003 Not held 2004 JJ Lehto Marco Werner ADT Champion Racing Audi R8 2 hours, 45 minutes Portland Grand Prix report 2005 Frank Biela Emanuele Pirro ADT Champion Racing Audi R8 2 hours, 45 minutes Portland Grand Prix report 2006 Rinaldo Capello Allan McNish Audi Sport North America Audi R10 TDI 2 hours, 45 minutes Tires Les Schwab presents Portland Grand Prix report
External links World Sports Racing Prototypes: IMSA archive Ultimate Racing History: Portland archive