Event details subject to change. Please confirm all information via event website.
RMRR Bible Park 4K
Bible Park 6802 E Yale Ave, Denver, CO, United StatesEveryone – slow, fast, or in-between – can win at RMRR Trophy Series races. With our handicap scoring system, we predict YOUR finish time based on recent running results, giving you a great […]
Stepping Stone 5K
Clement Park 7306 W. Bowles Avenue, Littleton, CO, United StatesStepping Stone Support Center and Trailhead Community have come together to present this amazing event to benefit adults with developmental disabilities. Complete two laps of Johnson Reservoir at Clement Park […]
Vitality Walk
Washington Park - Denver 701 S Franklin St, Denver, CO, United StatesYour participation in Vitality Walk helps Parkinson Association of the Rockies (PAR) push boundaries and invest in programs and services that are a lifeline to those with Parkinson’s, their Care […]
Sanitas Brewing 5K
Sanitas Brewing Company 200 West Belleview Avenue #Unit 100, Englewood, CO, United StatesJoin us for the Sanitas Brewing 5k on June 1, 2025, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Englewood. Run, walk, jog […]
Best Buddies Friendship Walk
Basalt Middle School 51 School St., Basalt, CO, United StatesThe Best Buddies Friendship Walk is the leading event in the country supporting inclusion for people with intellectual and developmental disabilities (IDD). Join 50,000 participants at 70+ Walks across the […]
The Big Run 5K
Fleet Feet - Colorado Springs 3659 Austin Bluffs Parkway, Colorado Springs, CO, United StatesCelebrate what makes running fun — high-fives, endorphins, good friends. Come hang with Fleet Feet on Global Running Day, run a breezy 3.1 miles and make The Big Run an epic […]
Summit Trail Running Series II
B&B Trailhead 1920 French Gulch Rd, Breckenridge, CO, United StatesExplore the trails of Breckenridge this summer with the 23rd annual Summit Trail Running Series with each race followed by a post-race party! The Series consists of 5 trail races […]
The Big Run 5K
Clement Park 7306 W. Bowles Avenue, Littleton, CO, United StatesCelebrate what makes running fun — high-fives, endorphins, good friends. Come hang with Fleet Feet on Global Running Day, run a breezy 3.1 miles and make The Big Run an epic […]
Vail Ultra
Vail Village 292 E Meadow Dr, Vail, CO, United StatesPush your limits with the Vail Ultra! This 50-mile adventure takes you through the heart of the Rockies, where every step leads you through steep ascents, awe-inspiring views, and ever-shifting […]
BRR Summer Track Series #1
Potts Field 4001 Discovery Drive, Boulder, CO, United StatesJoin the Boulder Road Runners as we host the premier track and field meet series in Colorado! Tradition runs deep with this legacy event. Now in its 4th decade, the […]
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.