The next season, in 2005–06, she won the overall World Cup title.
Born in Brooks, Alberta, Schalm has earned the best ever results for any Canadian woman fencer at the world championships, the Olympic Games and is a four-time medallist at the Pan American Games.
She has competed at four Summer Olympics.
In 2000 she finished 19th in the individual event.
In 2004 she finished 18th in the individual event, and fourth in the team event.Schalm published a memoir, Running With Swords (under the name Sherraine MacKay), in 2005.
In the 2008 Olympic Games, Schalm was widely expected to challenge for a medal, but lost in the second round.
She was seeded 9th.At the 2012 Summer Olympics, she reached the last 32 but lost to Shin A-lam.She retired in 2013.