Portland Superspeedway Infield Road Course

''"PRC" redirects here. This article is about the infield road course. For the oval speedway, see Portland Superspeedway.''

The Portland Superspeedway Infield Road Course, or the PRC, is a 6.5-mile road course constructed in the massive infield of the Portland Superspeedway. It is host to the 24 Hours of Portland.