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  • Greenland Trail Races

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    The Greenland Trail Races offer four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With …

  • Mother’s Day Run

    Featured
    Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United States

    The Louisville Trails near old town host the Mothers Day Run in 2026.  This run is all about Fun, Music, Gifts and sharing time with the family! For complete information, …

  • The Pasta Run

    Featured
    Louisville Community Park 955 Bella Vista Dr, Louisville, CO, United States

    The 5k, 10k and Half Marathon TRAIL RUN is set for Saturday May 30th….and limited to just 450 Runners on the trails. A fast and flat course…through the trails and …

  • DU Dash

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    Palmer Lake

    Experience the awe-inspiring beauty of Colorado's Palmer Lake area on the Santa Fe Trail for the in-person DU Dash. Runners will traverse the trail framed by the Rocky Mountains, connecting …

  • Barr Lake Trail Race

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    Barr Lake State Park (Nature Center) 13401 Picadily Rd, Brighton, CO, United States

    The Barr Lake Trail Race returns to Brighton, CO, offering beautiful lake views and a prime opportunity for new PRs. This event features a flat and fast course, with less …

  • Leadville Trail 100 Run Training Camp

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    Leadville 135 E. 6th Street, Leadville, CO

    Open to all runners, this camp offers an introduction to the Leadville Trail 100 Run presented by La Sportiva and is the perfect training tool for this year’s race. Seasoned …

  • Sunset Trail Running Festival

    Featured

    Join us Sunday June 23rd, for the Sunset Trail Running Festival in Gold Hill, Colorado. There will be a 28K (17.4M), 12K (7.7M), 5K and Kids 1K trail race, that …

  • Leadville Marathon and Heavy Half

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    Leadville 135 E. 6th Street, Leadville, CO

    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 Life Time Leadville Trail Marathon and …

  • Leadville Silver Rush 50 Run

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    Take on 50 miles of extreme territory that starts at 10,200 feet and reaches 12,000 feet on four separate occasions at the Life Time Silver Rush 50 Run presented by …

  • Westminster Trail Race

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    Wayne Carle Middle School @ Standley Lake 10020 100th Ave, Westminster, Westminster, CO, United States

    Join us at beautiful Standley Lake in Westminster for an unforgettable evening at the Westminster Night Trail! For its 12th year, this race takes on a whole new energy as runners …