His scoring prowess and leadership qualities helped his teams win 2 national titles.
In 1955 his Long Branch Monarchs won the Minto Cup and in 1960 he was the captain of the Mann Cup winning Port Credit Sailors. In the 1960 Mann Cup, Larry Ruse and George Kapasky both lead the Sailors with 13 points apiece in 5 games. Over his career, Kapasky played in 6 National Lacrosse Finals. During his Senior career he scored 129 goals and had 174 assists for a total of 303 points in 239 games.
After his playing career, George coached at the junior level for a number of years. In 2004, he was inducted into the Ontario Lacrosse Hall of Fame in the Player Category.