Castle Rock PS Miller Park半程马拉松是一条位于城堡石，科罗拉多州，美国的步道，他的长度为20.8km (大约30,000步) ，爬升高度为404m，难度评级困难 。用Pacer App发现更多优质路线吧！
Single track dirt trail with great views. There are a lot of up and down sections on the trail with a rocky surface and tree roots that require attention. This is a half marathon length course, great for training .