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  • La Garita 200

    Brown Memorial Park 86 County Road 15, South Fork, CO, United States

    The La Garita 200 is Southern Colorado’s brand new 200 mile race held in the amazing La Garita mountains. The course consists of a giant loop starting in finishing and […]

  • Telluride Mountain Run

    Telluride Town Park 500 E Colorado Ave, Telluride, CO, United States

    The Telluride Mountain Run is a challenging and technical race in the San Juan Mountains above the beautiful historic mining town of Telluride, Colorado. With five challenging and technical routes, […]

  • Leadville Trail 100

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

    The legendary “Race Across The Sky” 100-mile run is where it all started back in 1983. This is it. The race where legends are created and limits are tested. One […]

  • Staunton Rocks! Trail Marathon

    Staunton State Park 12102 S Elk Creek Rd, Pine, CO, United States

    Welcome to the Staunton Rocks! Marathon & Half Marathon, an event put on by trail runners for trail runners on August 28, 2021. Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations.

    $90 – $130

  • Bergen Peak Half Marathon

    Evergreen Trail Race Series
    Buchanan Park Recreation Center 32003 Ellingwood Trail, Evergreen, CO, United States

    Come run with us in beautiful Evergreen to the top of Bergen Peak at gorgeous Elk Meadow Park! This race day will offer both a 5k and a half marathon […]

  • Byers Peak Stampede

    Winter Park Peak to Peak Summer Showdown
    High Country Stampede Rodeo 1741 Co Hwy 73, Winter Park, CO, United States

    The race is hosted by Shining Stars Foundation, a nonprofit providing recreational and social programs for children and families affected by pediatric cancer. All proceeds support the kids. There is […]

    $5 – $70

  • Arrowhead Half Marathon

    Vail Trail Running Series
    Arrowhead at Beaver Creek 160 Cresta Rd, Edwards, CO, United States

    The Vail Recreation District is excited to announce a NEW venue for one of our favorite events in the 2021 Dynafit Vail Trail Running Series - The Dynafit Half Marathon and 5K at Arrowhead in Beaver Creek on August 21st.

  • Mountain Swim Series IV

    Wellington Lake Wellington Lake Rd. Pike National Forest, Bailey, CO, United States

    Highest altitude organized marathon swim event in the country at ~8,000 feet. RACE DETAILS Distance Price* Swimmers 2.5K $110.00   Both skin/wetsuit event options 1-hour swim cutoff** 1 loop around […]

  • Gunni Hi Tri

    Gunnison Community Center 200 E Spencer Ave, Gunnison, CO, United States

    This Sprint Triathlon is proudly brought to you by the Gunnison Parks & Recreation Department. It begins with a 500yard swim (10 laps) at the Community & Aquatics Center, then […]

  • Ram Run 5K

    Green Mountain High School 13175 West Green Mountain Dr, Lakewood, CO, United States

    Come join in the celebration of the resurgence of a great community event. The Ram Run will be returning to it's traditional month. This fun and exciting event will include […]

    $30

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