Copper Mountain plays host to its first ever US Pro Challenge - also known as America?s Race - and sends off Stage 3 in style. Familiar terrain and faces await the racers on Independence Pass and Aspen. Copper will kick off on Tuesday night with free live entertainment with festival in full swing on Wednesday morning at 9:00AM. In addition to going shoulder to shoulder with the world?s greatest cyclists, spend the day at Copper and partake in an unforgettable mountain festival with entertainment, live music and cycling-centered activities.