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  • 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 […]

  • Tour de Victory

    YMCA of Northern Colorado 2800 Dagny Way, Lafayette, United States

    Join the Tour de Victory Cycling Challenge, Colorado’s premier Parkinson’s bike ride benefiting the Davis Phinney Foundation. This boutique bike ride is an opportunity to join the Davis Phinney Foundation’s inspiring community and make a positive impact on the […]

  • 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 […]

  • Spirit Challenge

    Steamboat Springs Running Series
    Steamboat Springs Middle School 5100 Amethyst Drive, Steamboat Springs, CO, United States

    The Spirit Challenge Run for Autism offers three different distances, a 10k, 5k and Kid’s Fun Run. All races are on paved roads, except for the 5k which has a […]

  • Colfax 5K

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

    Come run City Park in the Colfax 5K!  Go for a PR in this chip-timed race – separate stroller-friendly start wave for families and walkers.  And, you can run with […]

  • Walk MS

    Walk MS
    Acacia Park 115 E Platte Ave, Colorado Springs, CO, United States

    Walk MS includes a powerful new experience where you’ll witness how your support changes the lives of people with MS and gets us closer to our ultimate goal: a cure. […]

  • Colfax Marathon

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

    New for our 20th Year! “WOW” at Every Mile To celebrate our 20th, every mile will have a WOW for runners. That moment every mile that gives you that WOW […]

  • Wild Horse Half Marathon

    High Lonesome Ranch 275 CR 222, De Beque, CO, United States

    Set against the breathtaking backdrop of the luxurious High Lonesome Ranch, this isn’t just a race—it’s a full weekend of adventure and celebration! Runners will enjoy a country cookout, campfires, live […]

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