GMR Backyard Ultra – Golden, CO 2026

Date: 5/23/26 Time: 10:00 AM (check-in starts at 9:00) Cost: $50.00 + Recommended minimum $25.00 Donation Non-Profit Recipient: Sun Valley Kitchen and Community Center The backyard Format: Run one every hour until only one runner remains. Every lap starts at the top of the hour, so you can choose to run your lap fast and get rest in between or run slow and save your energy. This is intended to be a fun event with friends. Come do one lap, or push yourself to the ultra distance if you chose. 4.17 mile lap Registration is limited to the first 60 signups. The cost is $50. We also recommend a minimum $25 Donation to Sun Valley Kitchen and Community Center. The registration fee will be used to supply aid station items, awards and temporary bathroom facilities (port-a-potties).