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  • 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 […]

  • 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.

  • Colorado Run for the Fallen

    Palmer Lake Regional Park 199 County Line Road, Palmer Lake, CO, United States

    Join us at Palmer Lake Regional Recreation Area for the Annual Colorado Run for the Fallen—a 6-hour untimed run/walk/ruck hosted by the Honor and Remember – Colorado Chapter. This moving […]

  • El Grito 5K

    Auraria Jordan Student Center 890 Auraria Pkwy, Denver, CO, United States

    El Grito 5K (3.1 mile run & walk) on the Auraria Campus, start and finish at the Jordan Student Success Building including, a kids fun run and post race fiesta. […]

  • 9/11 Heroes Run

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

    The 9/11 Heroes Run is a 5k race honoring our heroes: those lost on September 11th and in the wars since, as well as the veterans, active duty, first responders, […]

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