TTR Sprint U.S. Grand Prix at Copper Womens Halfpipe - Clark, Shaffrick, Castellet

Local Davos hero Christian Haller and American halfpipe star Kelly Clark took top honours at the O'Neill Evolution Halfpipe finals in a spectacular day of snowboarding action.

The legendary Burton US Open is the final 6Star event on the Swatch TTR Tour and is getting ready to host the crowning of both the male and female 2010/11 Swatch TTR World Tour Champions. Taking place March 7th to 13th, 2011 at Stratton Mountain in Vermont, USA, the Burton US Open is one of the most anticipated events on any snowboarder's competition calendar and will feature seven days of slopestyle and halfpipe action. Riders will compete for a stake in the $200,000 USD prize purse and...