What happened to Portland Speedway?
Opened 1924 Closed 2001 Major events NASCAR Craftsman Truck Series NASCAR Winston West Series World of Outlaws Oval Surface Clay (1924–1946; 2000–2001) Asphalt (1946–2000) How many miles is Portland International Raceway? Q: What is the length of the PIR road course? A: 1.967 miles with 12 turns when using the Festival Curves chicane, or 1.915…