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 Women’s Classic

    Westminster Promenade 10600 Westminster Blvd, Westminster, CO, United States

    We are excited for the 2026 Colorado Women's Classic! While focused on women, all genders are WELCOME at this event!

  • Fruita Trail Half Marathon

    18 Road 18 Road, Fruita, CO, United States

    This exciting half marathon course is a fun loop on the beautiful flowy single track in Fruita CO. With short steep climbs and descents featuring beautiful views of the nearby […]

    $105

  • Mother’s Day 5K

    Featured
    City Park - Denver 1700 N York St, Denver, CO, United States

    The Denver Mother's Day 5K – It's What Colorado Moms Do! This year, all-you-can-eat pancakes and three sausage breakfasts with OJ or coffee will be provided by Flippin' Flapjacks for all registered participants. […]

  • Ram Party Trail Runs

    Buffalo Lodge Bicycle Resort 2 El Paso Blvd, Colorado Springs, CO, United States

    With plenty of race options for everybody centered around the beautiful Rampart Reservoir in Woodland Park, Colorado, you're sure to have a good time while you take in the epic […]

  • Dog Jog 5K

    Laramie Community College 1400 E College Dr, Cheyenne, WY, United States

    The Dog Jog 5k is back and better than ever! Join the pack and run for a cause. This dog friendly 5k welcomes runners and walkers of all ages (even […]

    $35

  • Black Canyon Ascent

    Black Canyon of the Gunnison National Park CO Hwy 347, Montrose, CO, United States

    The Black Canyon Ascent 6-mile Run and Challenge Walk features a tough, scenic course starting at an elevation of 6500' and climbing almost 2,000' to the rim of the Black […]

  • Endure Trail Runs

    Mueller State Park 21045 State Highway 67, Divide, CO, United States

    The Endure 12-Hour is a one-of-a-kind challenging 12-Hour timed event, designed by YOU… and tiny colorful balls. Each runner will pull colored balls from a bucket, which determines the loop they’ll […]

  • Memorial Day Run and March

    America the Beautiful Park Cimino Dr, Colorado Springs, CO, United States

    Special Forces Foundation is proud to announce the Annual Memorial Day Run & March. Be a part of the LARGEST food donation event in Colorado! The Memorial Day Run & March […]

  • Boneyard Boogie Trail Run

    Vail Trail Running Series
    Eagle Pool and Ice Rink 1700 Bull Pasture Road, Eagle, CO, United States

    The Boneyard Boogie kicks off the 2025 Vail Trail Running Series with a 14K or 6K scamper through pinyon groves and juniper shrubs on some of Eagle's most scenic single […]

  • Vallecito Lake Heavy Half

    Vallecito Lake 17454 Co Rd 501, Bayfield, CO, United States

    The Vallecito Lake Heavy Half Marathon is a beautiful and scenic course around Vallecito Lake. Nestled in the heart of the San Juan Mountains in Colorado, our race course takes […]

    • 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: 37