Trail Running calendar near New Castle 2025-2026

The Crested Butte Ultra, held in Crested Butte, Colorado, offers runners a chance to experience some of the nation's best trails through the stunning Gunnison National Forest. The event features multiple distances, including a 50-mile, 55K, and 35K race. Participants traverse single-track trails tha..

The Emerald Mountain Trail Run takes place in Steamboat Springs, Colorado, offering two race distances: a 12k (approximately 7.75 miles) and a 4-mile run. The scenic course starts at the base of Howelsen Hill and winds through aspen-lined single-track trails on Emerald Mountain. The event welcomes h..

The Golden Leaf Half Marathon is a scenic running event held annually in late September, starting at Fanny Hill in Snowmass and finishing at Koch Lumber Park in downtown Aspen, Colorado. The course follows the Government Trail, winding through beautiful Aspen groves, offering runners a picturesque a..

The West Elk Challenge is a scenic point-to-point trail marathon held in the North Fork Valley of Colorado, showcasing the peak fall colors. The 26.2-mile course starts at Crawford Reservoir State Park, traversing gravel roads through farms near Needle Rock, then climbing singletrack trails on Mt. L..

The Sage Burner Trail Race takes place in the scenic Hartman Rocks Recreation Area near Gunnison, Colorado, surrounded by the Rocky Mountains and close to Black Canyon National Park. This fall event features challenging courses of 50K, 28K, and 15K distances, with terrain including technical slickro..

The Kessel Run Ultra, held in Fruita, Colorado, offers a range of distances including 10 miles, 20 miles, 50k, 40 miles, and 50 miles. This trail running event features world-class singletrack trails renowned for their fast, flowing terrain and challenging steep sections, particularly on the Zippity..

The Desert Rats Trail Running Festival will take place in Fruita from Friday 10 April 2026 to Sunday 12 April 2026. You can run between 9 and 100 kilometers.