Randy Stumpfhauser, born on January 27, 1977 in Fresno, California U.S., started racing on August 1986 at age nine; when his father took him to a BMX track in Sanger, California.
Randall Richard Stumpfhauser (born January 27, 1977 in Fresno, California U.S.) Started racing: August 1986 at age nine, when his father took him to a BMX track in Sanger, California. 
