Olympic snowboarder Sophie Hediger has died at the age of 26 following an avalanche at a ski resort in Switzerland . Knewz.com can reveal the athlete was swept up in an avalanche at the ski resort , according to the Swiss-Ski Federation announcement. Swiss-Ski CEO Walter Reusser said in a statement: "We are stunned and in our thoughts with Sophie's family , to whom we express our deepest condolences. "With the tragic death of Sophie Hediger, a dark shadow has been placed over the Christmas days