The Grand Prix of Portland is a race that is in the IndyCar Series held at the Portland International Raceway in Portland, Oregon. The race was an annual event from 1984 to 2007, initially as a race in the CART series, and later it was part of the Champ Car World Series. Then after a ten-year hiatus, the race made its return with being added to the IndyCar Series in the 2018 season.