October 13, 2017 • Circuits • Marijan Malcevic
Portland International Raceway is a race track in Portland, Oregon, which was built as a permanent racing circuit in 1971, although races took place for the first time, while there were the old city streets, in 1961. Hosting major racing series until 2007 Between 1984 and 2007, the PIR was hosting the Grand Prix of [...] ...
