August 31, 1970	Spanaway 150	Spanaway Speedway, Spanaway, WA	NASCAR Western Grand National	Dick Bown
July 2, 1971		Spanaway Speedway, Spanaway, WA	NASCAR Winston West Series	Jack McCoy
July 1, 1972		Spanaway Speedway, Spanaway, WA	NASCAR Winston West Series	Jack McCoy
July 3, 1973		Spanaway Speedway, Spanaway, WA	NASCAR Winston West Series	Ray Elder
June 29, 1974		Spanaway Speedway, Spanaway, WA	NASCAR Winston West Series	Jimmy Insolo
May 25, 1985		Spanaway Speedway, Spanaway, WA	USAC Supermodified	Mark Seidelman
July 20, 1985		Spanaway Speedway, Spanaway, WA	USAC Supermodified	Marc Thornton
May 24, 1986		Spanaway Speedway, Spanaway, WA	USAC Supermodified	Mike Ehlers
July 19, 1986		Spanaway Speedway, Spanaway, WA	USAC Supermodified	Mac McTaggart