TORONTO -- Winnipeg's Chantal van Landeghem beat decorated American swimmer Natalie Coughlin on Tuesday to win the gold medal in the women's 100-metre freestyle at the Pan American Games.

Van Landeghem claimed Canada's first swimming medal of the Games in 53.83 seconds to set a new Pan Am record.

Coughlin took silver in 54.06 seconds.

Arianna Vanderpool-Wallace of the Bahamas finished third in 54.15.

Canada added another gold when Montreal's Audrey Lacroix won the women's 200-metre butterfly in two minutes 7.68 seconds.

Katherine Mills of the United States finished second in 2:09.31 and Joanna Maranhao was third in 2:09.38.

In the men's 100-metre freestyle, Santo Condorelli of Kenora, Ont., won the silver medal in 48.57 seconds.

Federico Grabich of Argentina won gold in 48.26.