Event details subject to change. Please confirm all information via event website.

Events Search and Views Navigation

Event Views Navigation

Filters

Changing any of the form inputs will cause the list of events to refresh with the filtered results.

Today

  • Rocky Mountain Half Marathon

    Stanley Park 380 Community Dr, Estes Park, CO, United States

    Escape to the mountains for some fresh air! With the Rocky Mountain Half Marathon, 5K, and Elk Double (half marathon + 5K) you can choose your own adventure! The Rocky […]

  • Backcountry Marathon

    Rio Grande Park Aspen, CO, United States

    Utilizing the beautiful trails that surround Aspen, and now offering three distances - 50K, marathon and heavy half-marathon, all of which run almost exclusively on dirt trails. For the first […]

  • Sheep Mountain Ultras

    Town of Fairplay Beach Beech Rd, Fairplay, CO, United States

    Make no mistake, the elevation profile for The Sheep Mountain 50 mile and 50k are docile looking. However, the average elevation of over 10,500’ and copious amounts of aggressive terrain, […]

  • Popsicle 5K

    Cottonwood Creek Park 3920 Dublin Blvd, Colorado Springs, CO, United States

    What better way to end these HOT summer days than with a Popsicle 5K, AND WE'VE ADDED A 10K & HALF MARATHON?!! Come join us for a 5K, 10K, or […]

  • Run for the Ring 5K

    Barbara Davis Center for Diabetes 1775 Aurora Ct., Aurora, CO, United States

    he Guild of the Children’s Diabetes Foundation hosts the 11th Annual Run for the Ring 5K Run/Walk and Kids Fun Run, bringing together the type 1 diabetes community and supporters […]

  • Flying Colors 5K

    Loudy Simpson Park 1009 S Ranney St, Craig, CO, United States

    Join us for an untimed Fun Run/Walk to benefit Hospice in our community.  The run will kick off a fun weekend in conjunction with the Moffat County Hot Air Balloon Festival.  […]

  • Kennebec Mountain Run

    La Plata Campground CR 124, Durango, CO, United States

    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 […]

  • Unicorn 5K

    Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United States

    Ready to get off the sofa and gallop around Highlands Ranch with some friends? Yeah, you are! Come frolic with us at the Unicorn Runner 5k in Highlands Ranch to […]

  • Two Brothers Up-and-Down 5K/10K

    Courtney Ryley Cooper Park 2350 Colorado Blvd, Idaho Springs, CO, United States

    Run your slowest 5K, then turn around and run your fastest at the Two Brothers Up-and-Down 10K on August 28th in Idaho Springs. This race climbs 1,800' in 5K and then turns around and goes back down!

  • Wicked Wine Run

    Great Lawn Park 101 Yosemite St, Denver, CO, United States

    Founded in 2013, Wicked Wine Run is the longest running and most participated Wine Run in the country. Our journey began with a passion for combining fun, fitness, and fantastic […]

    • 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.

    Views: 90