A student in ecology at the Université du Québec à Montréal (UQAM), she won a bronze medal in the 500m short track speed skating event on February 15, 2006, at the Winter Olympics. She finished ahead of fellow Canadian Kalyna Roberge with a time of 0:44.759.
LeBlanc-Boucher announced her pregnancy in late 2006 and gave birth to her first child William, born in late June of 2007. LeBlanc-Boucher had planned to compete at the 2010 Winter Olympics but did not qualify. She now works as a personal trainer at GoodLife Fitness and plans to return to competition in preparation for the 2018 Winter Olympics.