 Complete the following phrase:  World Cup ski racers Kristina Koznick and Lindsey Vonn learned to ski and race at Buck Hill. Koznick, now retired from international competition, was a top slalom racer. Vonn née Kildow races in all five disciplines and is domit in the speed events. She is among the best female ski racers in history, with four overall World Cup titles 2008, 2009, 2010, 2012 and was the gold medalist in the 