Join 20,000 runners - with a Marathon, Half Marathon, 10 Miler, Marathon Relay, and 5K. Scenic courses highlighting Denver's best landmarks - downtown, 7 miles of water, Denver Zoo (1 mile through the Zoo on the half), stadium run-through, firestation run-through and more! Finish Line Festival with great food, beverages, live music, Corporate Village, Charity Village, and Running Club Village. Spectacular Start/Finish area on a lake in Denver's spectacular City Park with mountain and downtown views. 5K Kickoff on Saturday, and Main Race Day on Sunday.