Trail Running calendar near Red Feather Lakes 2025-2026

The Red Feather Trail Jamboree is a three-day trail running event scheduled for September 26-28, 2025, in the scenic Red Feather Lakes region of Northern Colorado. Participants can choose from various distances, including a 50-mile race, a 50K, and a half marathon, all designed to be beginner-friend..

The Emerald Mountain Trail Run is a scenic running event taking place in Steamboat Springs, Colorado, featuring two race distances: a 12k (approximately 7.75 miles) and a 4-mile run. The course begins at the base of Howelsen Hill and winds through beautiful aspen-lined single tracks, making it a pic..

Rocky's Backyard Ultra is an exciting ultra trail running event held at the YMCA of the Rockies in Estes Park, Colorado. This unique race format challenges participants to complete a 4.167-mile loop every hour until only one runner remains. The course features stunning Rocky Mountain scenery, with a..

The Blue Sky Trail Marathon and Half Marathon, scheduled for October 18-19, 2025, takes place in Fort Collins, Colorado, featuring scenic trails between Horsetooth Mountain Park and Devil’s Backbone Open Space. The marathon covers 26.7 miles with an elevation gain of 3,500 feet, while the half marat..

The Colorado 24 Hour Run is an exciting endurance event taking place in Fort Collins, Colorado, featuring various race formats including 24-hour, 12-hour, and 6-hour runs, as well as relay options. Participants can challenge themselves to see how far they can run within their chosen time frame on a..

The Louisville Trail Race is an annual event held in Louisville, Colorado, featuring a half-marathon, 10K, and 5K trail runs. Celebrating its 12th year, the race showcases scenic trails with views of the Flat Irons and the front range mountains. The courses are primarily dirt trails, with the half-m..

The Thumbs Up Vertical Challenge is an exciting running event taking place in Estes Park, CO, featuring an 8-hour ascent on the Thumb Open Space trail. Participants will complete an out-and-back course, collecting poker chips at the turnaround to determine their placing. Unique patches are awarded f..

The USCSA Cross Country Ski Racing Festival is a premier event held at Snow Mountain Ranch Nordic Center in Granby, Colorado, scheduled for January 24-25, 2026. It features races for collegiate, high school, and middle school athletes, including classic and skate sprint events. The festival attracts..

The Winter's End Snowshoe Races, held at Granby Ranch Resort in Granby, CO, is an exciting winter running event that welcomes participants of all skill levels. Scheduled for March 7, 2026, the event features multiple race distances, including a marathon, 14-mile, 7-mile, and 5k, all set against the..