By USSA

COPPER MOUNTAIN, Colo. -– Olympic gold medalist Kelly Clark (West Dover, Vt.) mathematically clinched her spot on the 2014 Olympic halfpipe snowboarding team Saturday with her win at the Sprint U.S. Grand Prix at Copper. Clark led a U.S. sweep of the halfpipe finals with Arielle Gold (Steamboat Springs, Colo.) and Gretchen Bleiler (Aspen).

Kaitlyn Farrington (Salt Lake City) and Elena Hight (South Lake Tahoe) finished fifth and eighth.

With the rest of the field still in contention for the Olympic team, the competition will be fierce when the Sprint U.S. Grand Prix goes to Breckenridge Jan. 8-11.

The Olympic team will be formally nominated on Jan. 19, following the fifth and final qualifying event.