Portland International Raceway
Portland Portland, OR, United States35 LAPS | 68.74 MILES Portland International Raceway opened in 1961 on the former location of the city of Vanport, which was destroyed by the Memorial Day 1948 flood. The 12-turn, 1.964-mile natural road course is relatively flat but contains several spots for passing opportunities, including a quick chicane at the end of the frontstretch, […]