Annamay Pierse

Annamay Pierse (born December 5, 1983) is a former competitive swimmer who represented Canada in major international swimming championships including the Summer Olympics, FINA World Championships, Commonwealth Games and Pan Pacific Championships.

Pierse grew up in Edmonton, Alberta, and attended the University of British Columbia in Vancouver, British Columbia. She is the oldest of five sisters – all competitive swimmers – with one older and one younger brother.

Pierse was a breaststroke specialist and the holder of several Canadian records both long course and short course. She was formerly the world record-holder in the 200-metre long course breaststroke until Rebecca Soni beat her time by 12 hundredths of a second during the 200-metre semifinals at the 2012 Summer Olympics.

On April 2, 2008, she placed first at the Canadian Olympic Trials in 100-metre breaststroke thereby qualifying her for the Beijing 2008 Summer Olympics. At the 2008 Summer Olympics in Beijing, she finished in sixth in the final of the 200-metre breaststroke. She was also a member of the Canadian team that finished seventh in the women's 4×100-metre medley relay.

She is married to Olympic paddler, Mark Oldershaw.