BIGDOGBRAG The Colorado Mud Run gives you more unique ways than any other obstacle course to experience the thrill of mud!!! You can splash, crash, run, crawl, laugh, slide, walk […]
The Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border […]
Join us Sunday June 23rd, for the Sunset Trail Running Festival in Gold Hill CO, benefiting the Boulder Watershed Collective. There will be a 28K (17.4M), 12K (7.7M), 5K and Kids 1K trail race, that starts and finishes […]
Join us for the Kennebec Mountain Run, a challenging 15-mile trail run through the stunning La Plata Mountains of southwest Colorado. Test your alpine running skills on this rugged course […]
Who Needs an Aid Station when you can Pick Berries! A must for training for the Pikes Peak Marathon and Ascent! The race begins at 8 a.m. at the base […]
Named Best Trail Race by Colorado Runner Magazine in 2006 & 2011! Join us for the annual Vail HillClimb! The Vail HillClimb tests local, regional and national runners with a […]
The Boneyard Boogie kicks off the 2025 Vail Trail Running Series with a 14K or 6K scamper through pinyon groves and juniper shrubs on some of Eagle’s most scenic single […]
Brisk autumn running in Colorado – OH YEA! Join us for a family fun event with three distance options at the beautiful Boyd Lake State Park venue. What’s a “Narrowleaf” […]
Flaming Foliage is a 165 mile overnight team relay race adventure with single track trails, from Idaho Springs to beautiful Buena Vista, over Guanella, Georgia & Fremont Passes. Since 2013, […]
The Wild West Relay is a scenic point to point running adventure across Colorado. Starting in Fort Collins, teams of any size or individuals, run over mountain passes, through open […]