FIS Freestyle World Ski Championships 2011
The 2011 FIS Freestyle World Ski Championships were held at Deer Valley Resort, together with Park City Mountain Resort. The 2011 FIS Freestyle World Championships took place from January 30 until February 7, 2011, and included aerials, moguls, dual moguls and ski cross competitions at Deer Valley Resort and the slopestyle and ski halfpipe competitions at Park City Mountain Resort. Deer Valley previously held the World Championships in 2003. Participating nations. 313 athletes representing 36 countries competed. The British Virgin Islands made its debut.