 | |
| Venue | Portland International Raceway |
|---|---|
| First race | 1978 |
| Last race | 2006 |
| Previous names | Rose City Grand Prix |
| Most wins (driver) | Al Holbert (3) |
| Most wins (team) | Holbert Racing (4) |
| Most wins (manufacturer) | Porsche (8) |
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.
| 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 |