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 Platte River Half Marathon & Relay race is one of the most exciting and popular races in the Denver Metro Area! This race is held annually in Littleton, CO. …
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 …
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 biggest running weekend of the year kicks off on Saturday May 16th with the Colfax 5K at City Park. Stick around to catch the Girls on the Run 5K …
This trail race at the Air Force Academy Farish Recreational center is open to the Military and public alike. Choose from Half Marathon, 10K and 5K. Custom hats to the …
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 …
The Steamboat Marathon, voted one of the most scenic marathons in the country by Runners World, has the cozy, friendly appeal that only a town like Steamboat Springs can bring. …
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 …
