Ritchie whilst recovering from her accident in hospital saw wheelchair basketballers training and this led to her taking up the sport. Her wheelchair basketball classification is 1.5 points. She attended three Paralympics Games – 1992 Barcelona, 1996 Atlanta and 2000 Sydney. The Gliders, national women's basketball team, came fourth in 1992 and 1996 and won the silver medal in 2000. She was vice-captain at the 1992 Games and captain at the 1996 and 2000 Games.