Portland International Raceway is a motorsport facility in Portland, Oregon. PIR has hosted drags, motocross, motorcycle road racing, cruise-in, and auto racing. Most recently, PIR hosted the Formula E FIA World Championship series with the 2023 Southwire Portland E-Prix.

The track also hosts the IndyCar Series, ICSCC and SCCA and OMRRA road racing, the NASCAR K&N Pro Series West, and SCCA autocross events. Additionally, the PIR grounds are host to OBRA (Oregon Bicycle Racing Association) bicycling races on the track and the surrounding grounds. The facility includes a dragstrip and a motocross track.

It is part of the Delta Park complex on the former site of Vanport, just south of the Columbia River. It lies west of a light rail station and less than a mile west of Interstate 5.

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 12 turns alength of 1.945 mi (3.130 km). Without the chicane, the track has nine turns and a lap length of 1.915 mi (3.082 km). Portland is classified as an FIA Grade Two circuit.

Portland International Raceway

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