Marie-Pier Boudreau Gagnon

Marie-Pier Boudreau Gagnon (born March 3, 1983, in Rivière-du-Loup, Quebec) is a Canadian synchronized swimmer and four times Commonwealth Games gold medalist.

Career
She first became interested in synchronized swimming at the age of seven after watching Sylvie Fréchette on television, and has been a member of Synchro Canada's national team since 1998.

Marie-Pier represented Canada in the women's solo event at the 2005 FINA World Championships in Montreal. At the 2006 Commonwealth Games Gagnon won two gold medals in the women's solo and women's duet (with Isabelle Rampling). She repeated this feat at the following Commonwealth Games with a further two golds.

At the 2008 Summer Olympics, Marie-Pier finished in sixth place with partner Isabelle Rampling in the women's duet. She returned to 2012 Summer Olympics where an improved performance in the women's duet saw her finish in fourth place with Élise Marcotte.

Shortly after the London Olympics, Boudreau Gagnon announced her retirement from competitive sports.