As an athlete, Joyce excelled in softball and curling. In the early 50's, Joyce played on softball teams that won city, provincial and Western Canadian championships. She was a member of the 1955 Saskatoon Hub City Ramblers that won the Western Canadian championship. That team was inducted into the Saskatoon Sports Hall of Fame in 1989.
In curling, she was tops in Saskatoon, Saskatchewan and Canada. She won eight Saskatchewan women's titles, five as a skip and three as a second. She has six Canadian championships to her credit including three as a skip in 1960, 1961 (first year of the Diamond D Competition) and in 1969. She co-authored a book with Ernie Richardson and participated in a film called From Hack to House. She was named Saskatoon's Sportswoman of the Year in 1969. In 1984 she was added to the Curl Canada Honour Roll and was named to the Canadian Curling Hall of Fame in 1975.
All of the six Saskatchewan teams that have won Canadian championships have been inducted into the Saskatchewan Sports Hall of Fame.