10K

Colorado Cold Rush Ultra is the “coolest” winter running event! Run along historic High Drive and through the amazing tunnels of the Colorado gold rush. Although there is always a possibility […]

Join us for the annual Hometown Half Marathon & 5k/10k! A run local-themed event that is perfect for the whole family. The fun includes great swag (designer shirt, custom medal), […]

Join us for the annual Summer Sizzler!  Whether you are looking to run, walk or just enjoy the race SWAG this race is a sure thing for a great time […]

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 […]

The Durango and Cortez Adult Education Center is delighted to announce our annual fun run! The Fast and the Curious is a 5k/10k run that not only celebrates physical fitness […]

The Annual Jeremy Bitner Memorial 5K/10K Walk and Run (3.1 miles/6.2 miles) will start and finish at Cornerstone Park in Englewood, CO. This course, which is certified, not only offers […]

This 5K race leads runners throughout the rolling hills of Elk Meadow Open Space Park. Runners will start on Pioneer trail and head clockwise around the meadow. The first stretch […]

Held on the gorgeous, thrilling and rolling trails of Castle Rock’s Miller Park & Ridgeline Trail systems. While not overly technical, these trails will challenge and excite, as you soak […]

Join us for the 1876 Centennial Run (3.76k/5k/10k/18.76k Challenge), at the New Belgium Ranger Station in Snowmass on August 7 & 8, 2026 In honor of the State of Colorado’s […]

The Colorado Friends of First Responders (CFoFR) annual 5/10K Memorial Event is dedicated to the memory of those who lost their lives on the scene of an AirLife Denver medical […]