Why run a course in the city when you can run fast Rocky Mountain courses in beautiful Summit County? The Half Marathon is 75% downhill. Start at Copper Mountain and finish in downtown Frisco!!8:30 am Start of Run the Rockies Half Marathon. PLEASE NOTE, the course closes at 11:45 am and timing will cease. Aid stations: halfway point of 10K and 3 additional locations on the half marathon (including turnaround). Same Aid stations will supply runners on the half going out and back. These are based on “allowed” access to the bike path-should you require more water please carry a hydration system. These are based on “allowed” access to the bike path-should you require more water please carry a hydration system.