Portland International Raceway
Track maps
IndyCar road courseCircuit outlineINDYCAR
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Layout details
Layout
IndyCar road course
Length
3.166 km
Turns
12
Direction
Not verified
Data checked
2026-10-04
Length is converted from the current IndyCar event profile's 1.967 miles. Some older descriptions publish 1.964 miles.
Converted from the published mile value using 1 mile = 1.609344 km, rounded to three decimals.
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About
A relatively flat road course with a long main straight, a braking chicane and flowing infield sections.
History
Racing began in 1961 on roads at the former Vanport site. The facility subsequently developed into a permanent circuit. A reconstruction in 2008 established the modern configuration, listed at 1.967 miles for current IndyCar events.