QUEENSTOWN, NEW ZEALAND - AUGUST 24: Tyler Walker of the United States competes in the Men Slalom Sitting LW12-1 in the IPC Alpine Adaptive Slalom Southern Hemisphere Cup during the Winter Games NZ at Coronet Peak on August 24, 2015 in Queenstown, New Zealand. (Photo by Hannah Peters/Getty Images)

QUEENSTOWN, NEW ZEALAND - AUGUST 24:  Tyler Walker of the United States competes in the Men Slalom Sitting LW12-1 in the IPC Alpine Adaptive Slalom Southern Hemisphere Cup during the Winter Games NZ at Coronet Peak on August 24, 2015 in Queenstown, New Zealand.  (Photo by Hannah Peters/Getty Images)