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  • Highlands Ranch St Patrick’s Day 5k

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    Join the festivities at our St. Patrick's Day 5K starting on Dorchester Street in Highlands Ranch Town Center South at 9:00 a.m. on Saturday, March 14, 2026! Put on your …

  • Lucky Leprechaun 5K

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    Twisted Pine Brewing 3201 Walnut St Suite A, Boulder, CO

    Join us on Sunday March 15th, for our Lucky Leprechaun 5K Fun Run taking place at Twisted Pine Brewing Company. We will have Irish Band “Avourneen”, and Boulder’s “Mc Teggart …

  • Mountain Ridge Trail Race

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    Mountain Ridge Middle School 10590 Mountain Vista Ridge, Highlands Ranch, CO, United States

    Mountain Ridge takes place near Highlands Ranch primarily on the Douglas County East-West Regional Trail. This gently rolling course will keep the Heart Rate pumping while offering some of the …

  • Donut Dash 5K

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    Washington Park 701 S. Franklin St., Denver, CO, United States

    The Donut Dash 5K is Denver’s race that ends with donuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh donuts at the …

  • Colorado Marathon

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    The Colorado Marathon is an annual race held in the verdant Poudre Canyon, nestled in the picturesque Rocky Mountains, just outside of the beautiful city of Fort Collins. Registration for …

  • Moose Mudder 5K

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    Altitude Elementary School 27300 E Southshore Dr, Aurora, CO, United States

    Please join us for the 2026 Moose Mudder 5K! This is a community event that will consist of an untimed 1k fun walk/run and a timed 5k followed by an …

  • Five Star 5K Fun Run and Wellness Festival

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

    Adams 12 Five Star Schools is invested in the Whole School, Whole Community, Whole Child (WSCC) approach to education and is committed to ensuring that all students are safe, supported, …

  • Mother’s Day Run

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    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, …

  • Highlands Ranch Mothers Day 5k

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    Cresthill Middle School 9195 Cresthill Ln, Highlands Ranch, CO

    The HRCA Mother's Day 5K is a family-friendly race taking place on Saturday, May 10, 2026.  This course is suitable for participants of all levels, whether they are first-time 5K …

  • Cherry Creek Race for the Watershed

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    Cherry Creek Reservoir

    Join us for a fun-filled day of running, walking, and most of all, supporting the Cherry Creek Watershed! Lace up your shoes and get ready to hit the trail with …