Sildaru, Blunck win gold in ski halfpipe. PARK CITY,

UTAH» Teenager Kelly Sildaru of Estonia is quickly making up for lost time in her return from a knee injury, winning the women’s ski halfpipe competition at the world championships.

With a big final run Saturday, Sildaru surpassed Cassie Sharpe of Canada for gold. American Brita Sigourney of Carmel, Calif., earned the bronze.

In the men’s competition, American Aaron Blunck defended his world title by edging Kevin Rolland of France. Noah Bowman of Canada earned bronze while two-time Olympic gold medalist David Wise took seventh.