Whiston was the goalkeeper on the American team which claimed the silver medal at the 1952 Winter Olympic Games in Oslo.

He was also the Most Valuable Player during the 1951 National Collegiate Athletic Association tournament.

Whiston was inducted into the Brown University Athletics Hall of Fame in 1971 and the Massachusetts Hockey Hall of Fame in 2012.

He later coached the Brown Bears ice hockey team for three seasons.

The US finished second behind Canada in the ice hockey competition at the 1952 Games.