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

  • Moab Trail Marathon

    Kane Creek Trailhead Moab, UT, United States

    We are happy to announce that we will again be running Sundays 1/2 Marathon in addition to the traditional Saturday Races. So, you may run the 1/2 marathon on either […]

  • Mountain Madness Fall Frenzy Orienteering Trail Race

    Golden Gate Canyon State Park 92 Crawford Gulch Rd, Golden, CO, United States

    Teamwork, strategy, and adventure await in Mountain Madness, Colorado’s unique team orienteering trail race!  In this all-terrain challenge, teams must rely on map and compass skills to navigate the rugged […]

  • Tortiose & Hare Race Series

    Tortoise & Hare 5K

    Spring Canyon Park 3156 S Overland Trail, Fort Collins, CO, United States

    The Tortoise & Hare (T&H) is a low-key “handicap” series of seven races that are run monthly from October to April, typically on the first or second Sunday of the […]

  • Girls on the Run 5K

    Empower Field at Mile High 1701 Bryant St., Denver, CO, United States

    Each season comes to an end with a joyful and fun non-competitive 5K (3.1 miles). This culmination gives girls a tangible sense of accomplishment and the confidence to be the […]

  • Veterans Day 5K

    Goat Patch Brewing Company 2727 North Cascade Avenue, ##123, Colorado Springs, CO, United States

    Join us for The Veterans Day 5k, for a 5k-ish, fun run event that starts and ends at this awesome taproom in Colorado Springs. Run, walk, jog - whatever goes! […]

  • Canya Cañon Trail Race

    Starsmore Discovery Center Colorado Springs, CO, United States

    We are returning to the original 4-mile course that runs the length of the Columbine Trail. This course was last run in 2014. Participants will start at Starsmore and run […]

  • Team Boss CO Mile + 2 Mile 4 REAL

    Niwot High School 8989 Niwot Road, Niwot, CO, United States

    TEAM BOSS MILE & 2 Mile 4 Real Are Back! It's time to put your cross country fitness to the test on the track and see how fast you can […]

  • Hustle for Hope at CHNC

    Colorado Convention Center 700 14th St, Denver, CO, United States

    Proceeds from the event benefit Hope for HIE, the global non-profit patient advocacy and support organization focused on improving the quality of life for children and families affected by neonatal […]

  • Dead Horse Ultra

    Gemini Bridges Trailhead at Gemini Bridges, Moab, UT, United States

    There's a reason this is one of the biggest trail running events in the country!  Moab in November is a trail runner's dream.  Perfect weather and world class single track […]

  • 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.