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  • Greenland Trail Race

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    The Greenland Trail Race offers 4 distances in southern Douglas County Colorado every May. Run the 4M, the 8M, the 25K, or the 50K, Colorado fastest 50K! With smooth trails …

  • TrailAPalooza

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    Runners Roost - Golden 2120 Ford St, Golden, CO, United States

    Join at Runners Roost Golden on Saturday June 14th for TrailApalooza!  

  • Elk Meadow 5K and 10K Trail Race

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    Elk Meadow Park 7557 Bergen Peak Dr, Evergreen, CO

    This 5K race leads runners throughout the rolling hills of Elk Meadow Open Space Park. Runners will start on Pioneer trail and head clockwise around the meadow. The first stretch …

  • Staunton State Park 6 Mile

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

    Join us at Staunton State Park for a beautiful 6 mile trail race. Please bring a water bottle. This is a cup free race. Click here for complete information, to register …

  • Staunton State Park 10 Mile

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

    Join us at Staunton State Park for a beautiful 10 mile trail race. Please bring a water bottle. This is a cup free race. Click here for complete information, to register …

  • Calarat Challenge Trail Running Festival

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    Join us Labor Day weekend for the Calarat Challenge Trail Running Festival. We start the festivities off on Saturday night with a 5K that you can run, walk or hike, …

  • Snow Mountain Ranch Festival

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    YMCA of the Rockies Granby (Nordic Center) 1101 County Rd 53, Granby, United States

    The YMCA of the Rockies in Granby hosts the 12th annual Snow Mountain Ranch Trail Running Festival. Races will include a 50K. 33K, Half Marathon,10K, and 5K. You can also …

  • Highlands Ranch Back Country Wilderness Half Marathon

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    2025 marks the 17th Annual Backcountry Wilderness Half Marathon in Highlands Ranch! This highly-anticipated event invites participants to embark on a 13.1-mile trail race through captivating landscapes, encompassing both the …

  • Greenland Trail Races

    Featured

    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 …