Sprint U.S. Grand Prix - Day 4

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Mike Riddle of Canada takes a practice run prior to the finals of the... News PhotoAlpine Skiing,Canada,Championship,Extreme Sports,FIS World Cup,Final Round,Freestyle Skiing,Half Pipe,Horizontal,International Ski Federation,Mike Riddle,Park City - Utah,Practicing,Skiing,Sport,USA,Utah,Winter SportPhotographer Collection: Getty Images Sport 2013 Getty ImagesPARK CITY, UT - FEBRUARY 02: Mike Riddle of Canada takes a practice run prior to the finals of the FIS Freestyle Ski Halfpipe World Cup during the Sprint U.S. Grand Prix at Park City Mountain on February 2, 2013 in Park City, Utah. (Photo by Doug Pensinger/Getty Images)