Ourayce Fun Run 10K

Ouray Community Center 320 6th Avenue, Ouray, CO, United States

This year marks the 40th Annual Ourayce Fun Run. This event is hosted by the Home Trust of Ouray County, a nonprofit organization whose mission is to provide permanently affordable […]

Boogie’s Buddy Race

Rio Grande Park Aspen, CO, United States

This long-standing holiday tradition is one of the most widely anticipated activities of the Fourth of July week, and you don't want to miss out on all the fun. Whether […]

Canceled Niwot Downhill Mile

Niwot High School 8989 Niwot Road, Niwot, CO, United States

Start off your July 4th with inaugural Niwot Downhill Mile! We are creating a community event to celebrate not only our independence, but also our resilience after a tough 2020. Come celebrate with friends, family, and our running community. Get ready to challenge your PR!

Independence Day Freedom 5K

Whitewater Park 913 E Main St, Buena Vista, CO, United States

Beautiful course capturing some of the best of BV. Course includes approximately 2 miles on paved roads. The middle mile is on a dirt path that follows along the Arkansas […]

Four on the Fourth 4K

Avery Brewing Company 4910 Nautilus Ct N, Boulder, CO, United States

July 4th is celebrated in a number of different ways, with parades, barbecues, sparklers and fireworks, BUT there has been no better way since 2008, to get your July 4th […]

$35

Firecracker 5K

Eagle Park 1189 Bayfield Parkway, Bayfield, CO, United States

Join us for our annual Bayfield 4th of July tradition! All ages & abilities are invited to come out before the parade and run or walk through our awesome town. […]

Burro Buster 5K

Hand Hotel & Emporium 531 Front Street, Fairplay, CO, United States

The Burro Buster 5k is a fun, family friendly, 5k in one of America's highest incorporated towns. Join us in Fairplay on the 4th of July on our run through […]

Silver Rush 50 Mile and 25K

Leadville 124 E. Sixth Street, Leadville, CO, United States

Take on 50 miles of extreme territory that starts at 10,200 feet and reaches 12,000 feet on four separate occasions at the Silver Rush 50 Run. It will leave your […]

Silverton Alpine Marathon

Memorial Park - Silverton 1800 Greene St, Silverton, CO, United States

Experience the best of the San Juan Mountains with an 8 miler, a marathon, or a 50 kilometer run along the Alpine Loop past the historic mining ghost towns of […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.