Trail Running calendar near Steamboat Springs 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 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 Vail Hillclimb will take place in Vail on Saturday 5 July 2025.

The Hahns Peak Vertical Trail Race is an exhilarating 8-mile out-and-back trail run set in the stunning northern Colorado mountains. Established in 2017, this challenging race begins at the Quarry Lot and ascends to the summit of Hahns Peak, offering breathtaking panoramic views. Participants face a..

The Spring Creek Memorial Trail Run, held in Steamboat Springs, Colorado, is a scenic trail running event featuring two distances: a challenging 9.5-mile loop and a 5K out-and-back course. The 9.5-mile race includes rugged, primitive trails with significant elevation gain (~1,750 ft in the first 4 m..

The "10K & 5K @ 10,000 Feet" is a running race held in Vail, Colorado, as part of the Vail Trail Running Series. This event features two distance options: a 10-kilometer and a 5-kilometer race, both conducted at a high elevation of 10,000 feet, offering a challenging course for participants. The rac..

The Never Summer 100K and 60K are challenging mountain ultramarathons held from July 25-27, 2025, within State Forest State Park in Colorado. The courses traverse rugged terrain, high alpine ridges, lakes, and peaks in the Never Summer and Medicine Bow Mountains, offering spectacular views and diver..

The Summit 200 is a challenging 200-mile mountain ultramarathon held in Summit County, Colorado. The race features a single 200-mile loop traversing stunning hiking trails, recreation paths, forest roads, and some pavement, with elevations ranging from over 9,000 feet to nearly 13,000 feet. Particip..

The Berry Picker Trail Run will take place in Vail on Saturday 2 August 2025.

The Emerald Mountain Epic is a two-day endurance trail race held in Steamboat Springs, featuring mountain biking and trail running events. Participants navigate challenging courses with significant elevation gains, predominantly on single-track dirt trails. The event emphasizes community, camaraderi..

The Run the Rockies Trail Race is a scenic event featuring a 5k, 10k, and half marathon through the trails of Frisco Peninsula, offering stunning views of Dillon Reservoir and the Ten Mile Range. The courses include single track and dirt roads, starting and finishing at the Frisco Nordic Center. Par..

Pyro's Push It Up Trail Run is a scenic trail running event held in New Castle, Colorado, set in the beautiful Flat Tops area. The race offers three distance options: a family-friendly 3.5K, a more challenging 7.7K, and a demanding 13K Double Down course. Participants run along mountain trails that..