Portland Superspeedway

''This article is about the oval speedway. For the infield road course, see Portland Superspeedway Infield Road Course.''

Portland Superspeedway is a 2.8-mile trioval in Portland, Oregon. It holds the distinction of being the largest oval in the United States that hosts a major touring series event. It is also the site of one of the Crown Jewel races: the Portland 700.