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  • Run Devils Tower Half Marathon

    Devils Tower WYO 110, Devils Tower, WY, United States

    Run in the shadow of the First US National Monument…..Devils Tower, Wyoming and view the Tower from exclusive perspectives as you run on the historic Campstool Ranch. Come stay for […]

  • Estes Park Marathon

    Estes Park High School 1600 Manford Ave, Estes Park, CO, United States

    The Estes Park Marathon is America’s most scenic marathon course! In the marathon, runners enjoy our famous road course that is surrounded by glorious 360 degree views of Rocky Mountain […]

  • Father’s Day Classic

    Apex Center 13150 W 72nd Ave, Arvada, CO, United States

    It's an annual Fathers Day tradition in Arvada! All are welcome - walkers, joggers and speed demons, too! Swag includes t-shirts for ALL participants! The Fun Run is an un-timed […]

  • Highline Canal Summer Scamper

    Bible Park 6802 E Yale Ave, Denver, CO, United States

    The third annual High Line Canal Summer Scamper, 5K for All, will take place on the evening of June 25 at Bible Park in Denver. Before the 5K enjoy a […]

    $30 – $45

  • Race in the Clouds Dirt Festival

    Buckskin Cemetery 227 Buckskin Street, Alma, CO, United States

    Get ready for a weekend of epic outdoor adventure at 10,600 feet in beautiful Alma, Colorado—the highest incorporated town in North America! Whether you love mountain biking, trail running, off-road […]

  • The John Cappis

    Silverton 414 Greene Street, Silverton, CO, United States

    What A free mountaineering jaunt originated by James Varner in honor of the legendary John Cappis, one of the founders of the Hardrock 100. The course gets tweaked from year […]

  • Timberview Trail Run

    Lory State Park 708 Lodgepole Dr, Bellvue, CO, United States

    Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun & beautiful morning trail race. This run […]

    $20 – $50

  • Lake to Lake Triathlon

    Loveland High School 920 West 29th St., Loveland, CO, United States

    Loveland Lake to Lake Triathlon has welcomed athletes from Northern Colorado, this entire state, region, country,  and outside the USA for 24 years and we are excited about our 2025 […]

  • Slacker Half Marathon

    Strousse Park - Georgetown 6th & Rose St, Georgetown, CO, United States

    The Slacker races are always held on the 4th Saturday in June! We’re excited to announce a new change for next year:  wave starts will be enhanced to help ensure […]

  • Leadville Trail Marathon

    Leadville Race Series
    Leadville 124 E. Sixth Street, Leadville, CO, United States

    Run through the historic mining district’s challenging old mining roads and trails, and hit a high of 13,185 feet at Mosquito Pass during the Leadville Trail Marathon or Heavy Half […]

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