Portland International Raceway's 1978 Upcoming HPDE Track Event Schedule http://www.mytrackschedule.com/ViewTrack.asp?TrackName=Portland_International_Raceway&Year=1978 2025 MyTrackSchedule.com - Redistribution or display of these events and schedule are allowed only if MyTrackSchedule.com is credited and linked to. Scott@MyTrackSchedule.com Thu, 17 Jul 2025 08:18:00 GMT Thu, 17 Jul 2025 08:18:00 GMT en-us http://feedvalidator.org/docs/rss2.html