Shannon Crawford did not start rowing until 1986 when, at the age of 23, she joined the Argonaut Rowing Club in Toronto, Ontario. After numerous podium finishes at national and American events, she joined the Canadian national team in 1991 and won a gold medal in the coxless fours at her first major international tournament, the Pan American Games, alongside the non-Olympians Julie Jespersen-Platt, Danita Sepp, and Andrea Walsh. At the same tournament she also took silver in the coxless pairs with Jespersen-Platt. Her next stop was the 1992 Summer Olympics where she, alongside Kirsten Barnes, Brenda Taylor, Megan Delehanty, Marnie McBean, Kay Worthington, Jessica Monroe, Kathleen Heddle, and Lesley Thompson-Willie, won gold in the eights. Her final time representing Canada came at the 1993 World Championships where she, Jespersen-Platt, Emma Robinson, and the non-Olympian Kelly Mahon captured bronze in the coxless fours. She is a member of the City of Brampton Sports (1992) and Canadian Olympic (1994) Halls of Fame.