Trail Running calendar near Edwards 2025-2026

The Dynafit Boneyard Boogie is a trail running event held in Eagle, Colorado, as part of the Vail Trail Running Series. It features two race distances: 14K and 6K, offering runners scenic and challenging courses through the mountainous terrain. The event is known for its vibrant atmosphere, attracti..

Samson's Revenge is a trail running event held at the YMCA of the Rockies in Estes Park, Colorado, honoring Samson, the famous elk of the Rockies. The race offers three distances: 10K, 27K, and 55K, featuring fast single-track trails with significant elevation gain, including a challenging ascent of..

The Mt Sopris Run-Off is an exciting trail running event held in Carbondale, CO, featuring two race distances: 10 miles and 25k. Scheduled for May 18, 2025, the race takes participants along the scenic "Up & Over" single track trail, starting at Flying Dog Ranch and finishing at Rock Bottom Ranch. T..

The Spirit Trail Race is a running event held in Buena Vista during Memorial Day Weekend, featuring a marathon, half-marathon, and 9K race. Participants start at the South Main Town Square area, with race times beginning early in the morning. The event supports local organizations such as the Buena..

The 3rd Latino Ultra Nature Adventure (LUNA) is a unique trail running event scheduled for May 31, 2025, in Boulder, Colorado. This culturally relevant and inclusive event features various distances, including 5km, 7 miles, 15 miles, and a marathon. LUNA aims to promote physical and mental health th..

The Leadville Turquoise Lake 20K is a scenic mountain race held in Leadville, Colorado, featuring a 20-kilometer course around Turquoise Lake. The route begins with 6.5 miles of hilly paved road, followed by 5.5 miles of single-track dirt trail, offering runners stunning views of the surrounding mou..

The Luna (Latino Ultra Nature Adventure) is an inclusive, culturally relevant ultra running event held in Boulder, Colorado. Now in its third year, it offers various race distances, including 5km, 7 miles, 15 miles, and a marathon, all taking place on May 31, 2025. The event emphasizes human-nature..

The North Fork 50 Mile/50K is a premier ultramarathon held in Buffalo Creek, Colorado, about 50 miles southwest of Denver. The event features two distances: a 50-mile race with 6,425 feet of elevation gain and a 50K with 3,670 feet of climb. The course is 100% soft surface, primarily singletrack tra..

The Fish Hatchery 5K Trail Run is an exciting running event set in the picturesque surroundings of the Leadville National Fish Hatchery in Colorado. Participants will enjoy a scenic cross-country course that meanders through subalpine forests and alongside the Evergreen Lakes and lower Rock Creek ar..

The Vail Ultra Benefiting 50 For The Fallen is a 50-mile ultramarathon held in Vail, Colorado, starting at The Hangout at Golden Peak. This challenging mountain race offers participants a scenic and demanding course through the stunning terrain of Vail. The event supports the 50 For The Fallen organ..

The adidas Terrex Après 5K Trail Run is a spirited evening trail race held on Vail Mountain, starting and finishing at Nature Valley Mountain Plaza in Vail Village. This 5-kilometer course features diverse terrain including forest service dirt roads, rocky paths, grass, loose gravel, and undulating..

Broken Brain Backyard is a ultradistance running event held in Craig, Colorado, on June 7, 2025. Participants can choose between the Backyard Ultra, where runners complete a 4.167-mile loop every hour until only one remains, or the Citizen’s Race, a more relaxed 4.167-mile run, walk, or skip with no..

The adidas TERREX 10K Spring Runoff is a challenging trail running event held in Vail, Colorado, at nearly 9,000 feet elevation. Participants race on the scenic Vail Mountain trails, navigating a course with constant elevation changes and diverse terrain including dirt roads, rocky paths, grass, loo..

The Summits Trail Runs, part of the Human Potential Running Series, is an exciting trail running event set in the stunning Rocky Mountains at Granby Ranch Resort, Colorado. Scheduled for June 14, 2025, the event features various race distances, including a challenging 43-mile Quad, a 27-mile Triple,..

The Estes Park Backyard Ultra is an endurance running event held along the scenic Lake Estes, supporting Childcare and Family Services. Participants run a 4.252-mile course on a paved bike trail, completing a lap every hour until only one runner remains. The race features no predetermined end time,..

The Howelsen Hill Trail Run is a scenic and challenging trail race held in Steamboat Springs, Colorado, on June 21, 2025. Participants can choose between an 8-mile or a 4-mile course through the historic Howelsen Hill trail network, featuring beautiful views of aspen trees and wildflowers. The race..

The Sunset Trail Running Festival, taking place in Gold Hill, Colorado, features a variety of trail races including a 28K, 12K, 5K, and a Kids 1K. This event, organized by The Boulder Watershed Collective and T.E.A.M Boulder, aims to raise funds for wildfire preparation and community resilience init..

The Midsummers Night Run is a 10K race held in Winter Park, Colorado, starting and finishing at the base of Winter Park Resort. The course features a mix of gravel roads and trails with an elevation gain of approximately 570 feet, offering a scenic and moderately challenging route. This event is par..

The Leadville Trail Marathon and Heavy Half are challenging trail running events held in Leadville, Colorado, traversing historic mining district trails. The marathon covers 26.4 miles with 6,167 feet of elevation gain, while the Heavy Half is 15.4 miles with 3,421 feet of gain. Both courses reach t..

The Vail Hillclimb will take place in Vail on Saturday 5 July 2025.