# Portland Grand Prix

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 | 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 | Not held | Not held | Not held | Not held | 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 | Not held | Not held | Not held | Not held | 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 |