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

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  • Tri the Rock Kids Tri

    Butterfield Park 3952 Butterfield Crossing Drive, Castle Rock, CO, United States

    We welcome you to our 17th annual youth triathlon! Tri the Rock is designed for, and open to youth ages 5 to 18. Come for a great day of fun, food, prizes and sport! Age division participants for Tri the Rock compete based on age on RACE DAY. Be sure to register and prepare accordingly. Race […]

  • Castle Rock Trail Festival

    Phillip S. Miller Park 1375 West Plum Creek Pkwy, Castle Rock, CO, United States

    Welcome to the Town of Castle Rock’s epic trail event. Come to challenge yourself on the vast ridgeline trail system and enjoy Castle Rock’s local trails. Trail run options range from the liveBIG 5K to the Ultra Marathon 50K. If you’ve run this trail system before, you know these are some beautiful and beguiling trails. […]

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    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.

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