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

  • Colorado Brewery Running Series

    Waldschänke Ciders 5K

    Waldschänke Ciders + Coffee 4100 Jason Street, Denver, CO, United States

    Join us for the Waldschänke Ciders 5k on September 13, 2025, for a 5k-ish, fun run event that starts and ends at this awesome cidery in Denver. Run, walk, jog […]

  • Greenland Pack Burro Race

    Greenland Open Space 1532 E Noe Rd, Larkspur, CO, United States

    Welcome to the annual Greenland Open Space Pack Burro Races presented by Double Rainbow Ranch! Grab your burro and join us for a fun and rewarding day on the majestic […]

  • Demon Dash 5K

    NAAC Stadium 19500 W 64th Pkwy, Golden, CO, United States

    Lace up your shoes and join us for the Demon Dash at its new course at the NAAC! We're excited to bring this course its new home and onto dirt! […]

  • Flying Falcon Downhill Mile

    Air Force Academy Falcon Stadium Air Force Academy, Colorado Springs, CO, United States

    Looking to run the fastest mile you possibly can? Dropping 220 feet, the Flying Falcon Downhill Mile will allow you to run the absolute fastest mile possible. Taking place on […]

  • Oktoberfest 5K Trail Run

    Riverwalk Center 150 W Adams Ave, Breckenridge, CO, United States

    The Oktoberfest 5K returns this fall on Saturday, September 13th, offering an active start to a festive weekend. Lace up your running shoes and experience the changing aspens and beautiful […]

  • Fall Equinox Marathon

    Mishawaka Amphitheater 13714 Poudre Canyon Rd, Bellvue, CO 80512, Bellvue, CO, United States

    Held on the Autumnal Equinox during the height of fall color, the Equinox Marathon, Half Marathon and 5-miles races are all point-to-point, net downhill, scenic courses along the Cache La Poudre River in Fort Collins. This year, the event will take place on September 18th.

  • Lead King Loop

    Thompson Park Marble, CO, United States

    Join us for a great day of running through the spectacular fall colors in the heart of the Elk Mountain Range. Run, walk, or hike the 25k loop around Lead King […]

  • Canceled Sloan’s Lake Search Party Marathon

    Sloan's Lake Park 1700 Utica Street, Denver, CO, United States

    THE SUMMARY Did you know that the loop around Sloan's Lake in Denver Colorado is almost perfectly 2.62 miles around? Join us as we go around the lake every hour on the […]

  • Nun Run Half Marathon

    deKoevend Park 6315 S. University Blvd., Centennial, CO, United States

    Do you support life at all stages from conception until natural death? Do you believe every human being should be treated with the utmost dignity and the respect they deserve? […]

  • Canceled Pony Express Trail Run

    Rampart Reservoir Rainbow Gulch Trailhead, Woodland Park, CO, United States

    The Pony Express is a 16 mile trail run around Rampart Reservoir. Come out and enjoy the single track, running creeks, wildlife, and Colorado's autumn glory.

    • 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: 4