Portland International Raceway
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Established
1961 (64 years old)
Capacity
30,000
Build Cost
Architect
Country
United Kingdom
Location
Portland, Oregon, U.S.
Timezone
UTC +00:00 Greenwich Mean Time (GMT)
Coordinates
45°35′49″N 122°41′45″W
30 Aug 
10 Aug 
30 Jun 
Description
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Portland International Raceway (PIR) is a motorsport facility in Portland in the U.S. state of Oregon. It is part of the Delta Park complex on the former site of Vanport, just south of the Columbia River. It lies west of the Delta Park/Vanport light rail station and less than a mile west of Interstate 5.
The track hosts the IndyCar Series, Formula E, ICSCC and SCCA and OMRRA road racing, the NASCAR Xfinity Series and ARCA Menards 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.
Entrance to Portland International Raceway
The road course is almost perfectly flat and runs clockwise. Two track configurations are possible. The modern Grand Prix circuit includes a hard chicane at the end of the front straight, referred to as the "Shelton Chicane" in honor of Vanport racing legend Monte Shelton, and involves 12 turns at a length of 1.967 mi (3.166 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.
PIR boasts a Winners' List starring some of the most accomplished open-wheel drivers of all time including Mario Andretti (1985, 1986), Emerson Fittipaldi (1989), Michael Andretti (1990, 1991, 1992), Bobby Rahal (1987), Sébastien Bourdais (2004, 2007), Will Power (2019), and Álex Palou (2021, 2023).
The City of Portland is working to establish the track as carbon neutral. In 2023, an investigation revealed the use of leaded gasoline at the track, which poses significant health risks for spectators and residents near the track. This occurs primarily during drag races, as unleaded fuel (often alcohol based) is used in major weekends.
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