During 1990's Runk led his team to four tournament bids along with an appearance in the national championship in 1991.
Throughout his time at Towson, Runk coached a "Player of the Year" in every position, as well as 67 All-Americans.
After leaving Towson, Runk took over coaching the boys' lacrosse team at Hereford High School in Baltimore County, near his home.
Runk, however, still stayed involved with the game as he helped develop programs in Naples, Florida, as well as an annual recruiting camp named Top Star that he hosted for prospective college lacrosse athletes.
Runk lived with his wife in Parkton, Maryland, and taught kinesiology courses at Towson University.