Gallery The Ridge Motorsports Park Shelton, WA. 2.47 mile, 16 turns. Portland International Raceway Portland, OR. 1.97 mile, 12 turns. Spokane County Raceway Airway Heights, WA. 2.25 mile, 11 turns. Pacific Raceways Kent, WA. 2.25 mile, 10 turns. Thunderhill Raceway Park Willows, CA. 3 miles, 15 turns. Sonoma Raceway Sonoma, CA. 2.52 miles, 12 turns. Auto Club Speedway Fontana, CA. 2.8 mile, 21 turns.