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  • Boulder XC Series I

    City Park - Valmont 5110 Valmont Rd, Boulder, CO, United States

    EVENTS 9:00AM 10 YEARS & UNDER - 1K 9:15AM 16 YEARS & UNDER - 3K (1 x 1K + 1 x 2K) 9:40AM OPEN - 5K (1 x 1K + […]

  • Gummball 5K

    Riverdale Regional Park 9755 Henderson Road, Brighton, CO, United States

    The Gummball 5K will be run in honor of our fallen brother, Deputy Heath Gumm. He paid the ultimate sacrifice on January 24, 2018.  Within his five years with the […]

  • Lions Roar for Fitness 5K/2.5K

    Lake Minnequa 1500 Lakeview Ave, Pueblo, CO, United States

    So What Is the Lions Roar for Fitness 5k/2.5K Challenge? 5K Challenge — Starts promptly at 9:00 a.m. at Lake Minnequa (near CIMS), but please arrive by 8:15 a.m. There will […]

  • Rise 5K

    Assembly Athletic Complex 1390 Shoshone St, Denver, CO, United States

    Get ready to lace up and show your Roadrunner pride at the Annual Roadrunners 5k—our favorite Homecoming tradition! Whether you’re a speedster, a stroller, or somewhere in between, everyone’s welcome […]

  • Rocky’s Backyard Ultra

    YMCA of the Rockies - Estes Park 2515 Tunnel Rd., Estes Park, CO, United States

    Rocky's Backyard Ultra is a challenging Ultra Trail race hosted in beautiful Estes Park, Colorado. We strive to host a challenging event that is welcoming and motivating to all. "One More […]

    $140

  • Canceled bRUNch Run 5K/10K

    Stapleton Central Park 8801 Martin Luther King Jr Blvd, Denver, CO, United States

    The bRUNch Run ™ is back! Join us in Denver for the most epic and delicious 5K + 10K run/walk. (There is also the 15K)! Think road race meets food […]

    $65 – $70

  • Breakthrough T1D Walk

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

    As the leading global type 1 diabetes (T1D) research and advocacy organization, Breakthrough T1D has played a crucial role in nearly every major T1D breakthrough in history. No organization does […]

  • Highland Homecoming 5K

    Highland High School 210 W First St, Ault, CO, United States

    Join us for the Annual Highland Homecoming 5k Run & Walk. This race benefits the middle and high school cross-country teams.

  • EDT XC Showdown

    Aurora Sports Park 19300 E Colfax Avenue, Aurora, CO, United States

    Whether you run for a team, as an individual, or you just want to try out the experience of running a cross country race, you are welcome to join us […]

  • Joy & Justice 5K

    Timnath Reservoir 5824 County Rd 40, Timnath, CO, United States

    Join us for the Race for Joy & Justice 5K, a family-friendly run/walk event benefiting the Joy & Justice organization based in Timnath, Colorado. This exciting event brings together people […]

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