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.

Portland Grand Prix
VenuePortland International Raceway
First race1978
Last race2006
Previous namesRose City Grand Prix
Most wins (driver)Al Holbert (3)
Most wins (team)Holbert Racing (4)
Most wins (manufacturer)Porsche (8)

Winners

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Date Overall Winner(s) Entrant Car Distance/Duration Race Title Report
IMSA GT Championship
1978   Peter Gregg   Brumos Porsche Porsche 935/77A 100 miles (160 km) G.I. Joe's Grand Prix report
1979   Peter Gregg   Peter Gregg Racing Porsche 935/79 100 miles (160 km) G.I. Joe's Grand Prix report
1980   John Fitzpatrick   Dick Barbour Racing Porsche 935 K3/80 100 miles (160 km) G.I. Joe's Grand Prix report
1981   Brian Redman   Kent Cooke/Wood Racing Lola T600-Chevrolet 100 miles (160 km) G.I. Joe's Grand Prix report
1982   John Paul Jr.   JLP Racing Porsche 935 JLP-4 100 miles (160 km) 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 962 300 km (190 mi) G.I. Joe's Grand Prix report
1986   Al Holbert   Holbert Racing Porsche 962 300 km (190 mi) G.I. Joe's Grand Prix report
1987   Chip Robinson   Holbert Racing Porsche 962 300 km (190 mi) G.I. Joe's Grand Prix report
1988   Geoff Brabham   Electramotive Engineering Nissan GTP ZX-T 300 km (190 mi) G.I. Joe's Camel Grand Prix report
1989   Jan Lammers
  Price Cobb
  Castrol Jaguar Racing Jaguar XJR-10 300 km (190 mi) G.I. Joe's Camel Grand Prix report
1990   Davy Jones   Castrol Jaguar Racing Jaguar XJR-10 300 km (190 mi) G.I. Joe's Camel Grand Prix report
1991   Juan Manuel Fangio II   All American Racers Eagle Mk III-Toyota 300 km (190 mi) 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
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