Of the 21 MN State Tournaments he has entered, Clark was a member of the winning team in 1988 and won the All Events title in 1995.

In the St. Paul Bowling Association, he has won four titles – two in All Events in 1976 and 1980 and twice a member of the wining doubles team in 1976 and 1985.

Clark has also won five titles in the Minneapolis Association Tournament winning Singles and All Events in 1986, Singles and Team in 1996, and Singles in 2000.

Other tournament titles of note include the U.S. Open Champion in 1998, St. Paul Masters Champion in 1999, and was a member of the Minneapolis Team Challenge winner twice in 1997 and 1999. Also titles have been won in Fairmont, Fargo, Hibbing, St. Cloud, and the Minnehaha Open in St. Paul.

In the CBA, Clark has won six titles, one doubles title, has been named CBA Bowler of the year two times, was named to the All Star Team nine times, and has the all time money wining record for a season. He is also the all time point leader. He was inducted into the CBA Hall of Fame in 1996.

Clark is a member of the Greater St. Paul Hall of Fame and currently serves a President of that organization.

Individual accomplishments also include 17 300 games, four 299 games, two 298 games, and over 300 700 series of better. He has had four 800 series with a high of 836.

He has been active as a youth coach at Flaherty's Bowl in St. Paul and has been a CBA Board member for 17 years; three years as President. He was a major contributor in creating the CBA Hall of Fame and the Tournament of Champions.