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, …
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 …
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 …
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 …
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 …
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 …
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 …
