Description: Portland International Raceway (PIR) is located in Portland, Oregon's Delta Park complex on the former site of Vanport, just south of the Columbia River.
The track hosts a Champ Car race every year and ICSCC and SCCA road racing and autocross events. The facility includes a drag strip and a motocross track.
The road course is almost perfectly flat and runs clockwise. Two track configurations are possible. One includes a hard chicane at the end of the front straight and involves twelve turns at length of 1.967 miles. Without the chicane, the track has nine turns an a lap length of 1.915 miles.