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  • Aiden’s Adventure 5K

    Fountain Creek Regional Park 2010 Duckwood Road, Fountain, CO, United States

    Let's help Aiden give back to his community and honor him in such a loving way. Aiden's Adventure 5k is designed to remember Aiden, a sweet, caring, "never met a […]

  • Creede Donkey Dash

    Creede Historical Society Museum & Library 15 S Main St, Creede, CO, United States

    IMPORTANT:  Please do not register for this race until you have been matched with a donkey teammate!  Race registration is separate from a donkey rental.   Donkeys first arrived on US […]

  • Colorado 13er

    Home Depot 1200 Dillon Road Louisville CO 80027, Louisville, CO, United States

    The Colorado 13er is THE event where the best parts of trail running and road racing combine to create a truly enjoyable, kind-to-your-body, well-supported 13.1 race! Seasoned runners and first-timers […]

  • Steamboat Marathon

    Featured
    Steamboat Springs Lincoln ave, Steamboat Springs, CO, United States

    Run alongside the roaring Elk River through the emerald green pastures on Country Road 129 with the snow-capped Rocky Mountains of Colorado all around and find out why the Steamboat […]

    $40 – $100

  • Walk to Cure Arthritis

    Hudson Gardens and Event Center 6115 S Santa Fe Dr, Littleton, CO, United States

    Together, let’s rock the walk to a lifetime of Yes! Yes, to finding solutions, better treatments and a cure. Whether you’re an arthritis warrior yourself or care about someone who […]

  • The 80’s Run

    Highland Heritage Park 9651 S Quebec St, Highlands Ranch, CO, United States

    THE 80s Are back!   Are you ready? Then grab your old Nikes, Leg Warmers and Parachute Pants or SHORT shorts!

    $35.00

  • Barr Lake Trail Race

    Barr Lake State Park 13401 Piccadilly Road, Brighton, CO, United States

    The Barr Lake Trail Race returns to Brighton, CO, offering beautiful lake views and a prime opportunity for new PRs. Now in its sixth year, this event features our flattest […]

  • All-Out Summer Breeze

    Stenger Soccer Complex 11200 W 58th Ave, Arvada, CO, United States

    From the heart of the West Metro area and the Stenger Soccer Complex, All-Out brings you our 11th annual Summer Breeze! Along with its Endless Series sidekick in January Polar […]

  • Ironman 70.3

    Boulder Reservoir 5565 N 51st St, Boulder, CO, United States

    Boulder has been a household name in the world of triathlon for decades. This endurance community has built a reputation among triathletes for training hard, racing fast and enjoying every […]

  • Treat Trot

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

    5k/10k/15k registration includes a custom bib, designer shirt, and a custom finisher medal! 1 Mile registration is untimed and includes a custom bib, designer shirt, and a custom finisher medal! […]

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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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