Trail Running calendar near Edwards 2025-2026

The Collegiate Peaks Trail Run, celebrating its 35th anniversary, is a renowned trail running event held in Buena Vista, Colorado. Participants can choose between two challenging distances: 25 miles and 50 miles. Established in 1991, the race features a scenic course that follows single-track and je..

Samson's Revenge is an exciting running event taking place at the YMCA of the Rockies in Estes Park, CO, featuring three race distances: 55k, 27k, and 10k. The course offers a mix of fast single track trails and a challenging ascent to Bible Point, where participants can compete for the King of the..

The Dynafit Boneyard Boogie 5K/13K will take place in Eagle on Saturday 17 May 2025. You can run between 6 and 14 kilometers.

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 running event set around the picturesque Turquoise Lake in Leadville, Colorado. Participants will experience breathtaking mountain views as they navigate a course that combines 6.5 miles of hilly paved roads with 5.5 miles of single-track dirt trails. The..

The North Fork 50 Mile and 50K ultramarathon takes place in the scenic Colorado mountains near Buffalo Creek. The course features nearly all singletrack trails, with some double track sections, traversing diverse landscapes including burn areas from a 1996 wildfire, ponderosa pines, and granite rock..

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 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 challenging 50-mile running event set to take place at Golden Peak in Vail, Colorado. This event aims to honor and support the 50 For The Fallen organization, which focuses on providing assistance to families of fallen service members. Participants ca..

The adidas Terrex Après 5K Trail Run is an exciting event that kicks off the GoPro Mountain Games weekend in Vail, Colorado. Participants can enjoy a scenic evening run on the trails of Vail Mountain, starting and finishing at Nature Valley Mountain Plaza. The 5K course is designed to be accessible..

The Broken Brain Backyard is a unique running event scheduled for June 7, 2025, in Craig, Colorado, aimed at raising funds for Parkinson’s, ALS, and Alzheimer’s research. Participants can choose between the Backyard Ultra, where competitors run a 4.167-mile loop every hour until only one remains, an..

The adidas Terrex 10K Spring Runoff is an exhilarating trail running event set in the stunning Vail Valley, taking place at an elevation of over 8,000 feet. Participants will face a challenging course featuring constant elevation changes and diverse terrain, making it one of the most demanding 10K r..

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,..

Estes Park's Backyard Ultra is a unique ultra-running event set against the stunning backdrop of Lake Estes, Colorado. Participants must complete a distance of 4.252 miles within one hour, every hour, until only one runner remains. This format continues indefinitely, with the last runner standing be..

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 Leadville Trail Marathon and Heavy Half is a challenging running event held in the historic mining district of Leadville, Colorado. Participants can choose between a 26.4-mile marathon or a 15.4-mile Heavy Half, both featuring breathtaking views and high-altitude trails, with the marathon reachi..

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