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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.
Video Portland Grand Prix
Winners
Maps Portland Grand Prix
External links
- World Sports Racing Prototypes: IMSA archive
- Ultimate Racing History: Portland archive
Source of article : Wikipedia
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