Hanson achieved fame in USBC Open Championships competition and in the international arena. He was a member of one of the most dominant teams in tournament history, the Hamms Beer team in the 1960s and 70s. An eventual second place, 3,029 score vaulted his team to the 1965 all-events title. In 1970 and 1972, Hanson's Hamms team also captured the team titles. As an international competitor, he won gold medals in five-player and eight-player team competition in the 1971 FIQ World Championships. In the 1974 FIQ American Zone Championships in Caracas, Venezuela, he earned a silver medal in eight-man team and a bronze in doubles with partner Ron Woolet. At the local and state level, Hanson was also a dominant player winning more than 30 titles in his native Minnesota.