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 …
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 …
The Dirt Circus sponsored by UltraSignUp will be hosting the Colorado event at Runners Roost in Boulder. Join multiple trail brands, race directors, and gear reps for an expo of …
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, …
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 …
Bergen Peak runners will experience the rolling hills of Elk Meadow and the strenuous switchbacks of Too Long Trail. While ascending more then 1,300 feet, runners will peak at a …
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 …
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 …
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 …
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, …
