|Sterling H. "Skeet" Chadwick began his lacrosse career at Towson High School, where he played two years of varsity lacrosse under head coach and fellow Hall of Fame inductee Bill Thomas, and won the Baltimore County Public School Championships of 1969 and 1970. He and fellow Hall of Fame Inductee, Jack Thomas, co-captained these teams.
At Washington & Lee, Chadwick earned First Team All-American honors as a goalie in 1973 and 1974. In 1974, he received the Ensign C. Markland Kelly Jr. Memorial Award as the nations top goalie. A team co-captain of the third ranked Generals in 1974, Chadwick also earned Washington & Lee Univeristies most valuable player award that same year. He represented the generals in the 1974 North-South Collegiate All-Star game, and was chosen as co-captain of the South squad.
Chadwick was a member of the United States team which won the 1974 World Lacrosse Championships in Melbourne, Australia. He was also selected to play for the United States Team in the 1978 World Lacrosse Championships.Chadwick played club lacrosse for Cheasapeake Lacrosse Club from 1975 to 1979. He earned All-Club honors in 1976, 1977 and 1978.
Chadwick was the Executor Director of the Lacrosse Foundation from 1975 to 1977, and a Director of Hero's, Inc. from 1982 to 1985.