She also competed at the World Snowboard Championships in 2007 and 2009 .
Sandra Frei ( born 6 August 1984 ) is a snowboarder who represented Switzerland at the 2010 Winter Olympics in the snowboard cross event , where she placed 11th .
Sandra Frei also competed at the World Snowboard Championships in 2007 and 2009 .
Sandra Frei ( born 6 August 1984 ) is a snowboarder who represented Switzerland at the 2010 Winter Olympics in the snowboard cross event , where she placed 11th .