Venture into the mountains for this trail race series by North Face at Park City Mountain Resort. The two-day event from September 23-24, 2017 features races for all ability levels on scenic, challenging trail courses that end with a fantastic finish line festival at the resort base. Choose your distance with 50-mile, 50K, Marathon, and Marathon Relay on Saturday. Or half marathon, 10K, 5K, and Kids Run on Sunday.