Trail Running calendar near Ouray 2024-2025

We have found 15 Trailruns within 80 miles of Ouray. See below where and when you can find the races.

The Sky Pilots Ouray Backyard Ultra is a unique running event held in Ouray, Colorado, featuring a "last person standing" format. Participants complete a 4.167-mile course, and if they finish within an hour, they continue to run each hour until only one runner remains. The course is relatively easy,..

June 2025

The San Juan Solstice 50 Mile Run is a challenging ultramarathon set in the stunning San Juan Mountains of Colorado. This annual event, taking place in June, attracts runners from various backgrounds, offering a unique opportunity to experience the breathtaking scenery and rugged terrain. Participan..

July 2025

The Hardrock 100 is a challenging 100-mile ultramarathon held in the San Juan Mountain Range of Southern Colorado. Participants face a total elevation change of 66,394 feet, with an average elevation of over 11,000 feet, making it one of the most demanding endurance runs in the world. The course fea..

The Ouray 100 Mile Endurance Run is a challenging ultramarathon set in the breathtaking San Juan Mountain range of Colorado, known as the "Switzerland of America." Participants face an elevation gain of approximately 41,862 feet over the course of the race, featuring fourteen significant climbs. To ..

The Silverton Alpine Marathons, held in Silverton, Colorado, offers an exhilarating trail running experience through the stunning San Juan Mountains. Participants can choose from three race distances: a 50K, a marathon, or an 8-mile run, all set against a backdrop of historic mining ghost towns and ..

The Kendall Mountain Run, taking place in Silverton, Colorado, features a challenging 12-mile and 11K race that begins in downtown Silverton and ascends to the summit of Kendall Mountain at 13,066 feet. Participants will experience a thrilling climb, including a final vertical scramble, before desce..

The Box Canyon Trail Races, held in Telluride, Colorado, features two challenging events: the Bridal Veil 30K and the Bear Creek 10M. The 30K race takes participants through scenic alpine meadows and rugged terrain, reaching a high point of 13,000 feet before descending back to town. The 10-mile rac..

The Creede 100 is a challenging 100-mile ultramarathon set in the historic mining town of Creede, Colorado. With only 100 spots available, this race offers participants a unique opportunity to experience the stunning beauty of the San Juan Mountains, including climbs above 12,000 feet and breathtaki..

August 2025

The High Five 100 is an ultra-running challenge held in Lake City, CO, designed to test even the most elite runners. Participants must navigate on foot to 22 designated locations, including 6 checkpoints for crew support and 16 proof points to verify their journey. Runners can choose their own route..

The San Juan Softie 100 is a challenging 100-mile ultra run set in the stunning San Juan mountains of southwest Colorado. Participants will navigate an average elevation of nearly 10,000 feet and tackle over 20,000 feet of vertical gain, making it a true test of endurance and skill. The event emphas..

The Telluride Mountain Run is a demanding and technical race set in the stunning San Juan Mountains near Telluride, Colorado. Participants can choose from three challenging distances: 40 miles, 24 miles, and 13 miles. Runners will traverse old mining roads, singletrack trails, and alpine tundra, fac..

The Creede Mountain Run, established in 1987, is a celebrated running event held in Creede, Colorado, marking the transition from summer to fall. Participants can choose from four race distances: 2 miles, 12 miles, 22 miles, and 50K, all set against the stunning backdrop of the San Juan Mountains. T..

The Grand Traverse Mountain Run is a challenging 40-mile ultra marathon that takes place from Crested Butte to Aspen, Colorado. Following the route of the Grand Traverse Backcountry Ski race, participants face over 6,000 feet of elevation gain while traversing the scenic Elk Mountains. This event se..

September 2025

The Crested Butte Ultra is a premier trail running event held in Crested Butte, Colorado, featuring three race distances: 50 miles, 55K, and 35K. Set against the stunning backdrop of Gunnison National Forest, participants can enjoy breathtaking views, vibrant wildflowers, and the beautiful autumn fo..

October 2025

The West Elk Challenge is a scenic trail marathon held in the North Fork Valley of Colorado, featuring a challenging 26.2-mile course. Participants start at Crawford Reservoir State Park and traverse through picturesque landscapes, including farms, ranches, and the Gunnison National Forest, culminat..