June 4, 1950		Hamilton County Speedway, Webster City, IA	IMCA Stock Car	Herschel Buchanan
August 10, 1952		Hamilton County Speedway, Webster City, IA	IMCA Stock Car	Ernie Derr
June 14, 1953		Hamilton County Speedway, Webster City, IA	IMCA Stock Car	Ernie Derr
August 9, 1953		Hamilton County Speedway, Webster City, IA	IMCA Stock Car	Don White