July 25, 1971		Olathe Naval Air Station, Olathe, KS	SCCA Two-Five Challenge	John Morton
August 27, 1972		Olathe Naval Air Station, Olathe, KS	AHRA Pro Stock	Jim Hayter
August 27, 1972		Olathe Naval Air Station, Olathe, KS	AHRA Funny Car	Tom McEwen
August 27, 1972		Olathe Naval Air Station, Olathe, KS	AHRA Top Fuel	Don Garlits