Trail Running calendar near Grand Mesa 2025-2026

The 12 Hours of Sunlight is an exciting running event taking place in Glenwood Springs, Colorado. Participants can choose to compete individually or as part of a team, with options for teams of two or four. This endurance race challenges runners to cover as much distance as possible within a 12-hour..

The Gothic Mountain Tour is a scenic running event taking place in Crested Butte, Colorado, featuring two courses: a 23.5-mile competitive race and a 17.85-mile recreational race. This challenging event offers participants a unique opportunity to circumnavigate the stunning Gothic Mountain, making i..

The Desert RATS Trail Running Festival by UTMB offers an exciting weekend of trail running in the stunning landscapes of Fruita, Colorado. With four unique race distances—100K, 50K, 21K, and 10K—participants can enjoy three days of racing amidst breathtaking desert views. This festival caters to bot..

Adventure Fest at 18 Road is an exciting annual event celebrating the vibrant adventure community in Fruita, Colorado. This festival features a variety of competitive races, including the Fruita Trail Half, Sarlacc Attack 50K, and Zippity 22K mountain bike races, alongside The Dirty Edge Gravel. Par..

The Fruita Trail Half Marathon is an exciting 13.8-mile race set in the stunning desert landscape of Fruita, Colorado. Scheduled for May 11, 2025, this event features a loop course with beautiful singletrack trails, short climbs, and breathtaking views of the surrounding buttes and mesas. Participan..

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,..

The Mt Sopris Run-Off is an exciting running event taking place in Carbondale, CO, featuring two race distances: a 10-Mile and a 25k. Scheduled for May 18, 2025, this race will showcase the stunning "Up & Over" single track trail, starting at Flying Dog Ranch and finishing at Rock Bottom Ranch in Ba..

The San Juan Solstice 50 Mile Run is an annual ultra-marathon held in Lake City, Colorado, typically around the Summer Solstice. Established in 1995, the event has evolved into a community benefit for local EMTs. The race features a challenging course that includes high mountain terrain and varying ..

The Ouray 100 Mile Endurance Run is a challenging ultramarathon set in the breathtaking San Juan Mountain range of Colorado. Participants face approximately 41,862 feet of elevation gain, making it one of the toughest endurance events. The race features stunning views and demanding climbs, culminati..

The Powderhorn Mountain Ultra and Vert Challenge is an exhilarating endurance event set for July 19, 2025, at Powderhorn Mountain Resort in Mesa, Colorado. Participants can choose between a 12-hour or 6-hour race, tackling a challenging 10K loop with significant elevation gain, or focusing on vertic..

The Box Canyon Trail Races, set in the scenic high country of Telluride, Colorado, features two challenging events: a 30K and a 10-mile race. Participants will experience breathtaking views as they navigate varied terrain, including alpine meadows and steep ascents. The 30K race takes runners throug..

Grand Mesa Ultras is an exciting mountain running event held on the Grand Mesa in Colorado, known for its stunning trails and breathtaking views. Participants can choose from three race distances: 50 Miler, 55K, and 30K, all set at an elevation of over 10,000 feet. The event promises a weekend of ca..

The High Five 100 is an ultra-running challenge held in Lake City, CO, designed for elite runners seeking a rigorous test of endurance. Participants must navigate a course that includes 22 designated locations, consisting of 6 checkpoints and 16 proof points, with the goal of returning to Lake City ..

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

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 as they traverse the stunning Elk Mountains. This event ..

The Deep Creek Trail Half Marathon is a scenic trail running event taking place in Telluride, Colorado. The race begins at Last Dollar Road near the Telluride Airport and features a picturesque course that winds through Aspen-filled woods along the Deep Creek Trail, covering approximately 13 miles o..

The Crested Butte Ultra is an exciting trail running event set in the stunning landscapes of Crested Butte, Colorado, known for its exceptional trails and breathtaking views. Participants can choose from three race distances: 50 miles, 55K, and 35K, all set against the backdrop of the Gunnison Natio..

The Golden Leaf Half Marathon is a scenic running event that takes place annually in Aspen, Colorado. The race begins at Fanny Hill in Snowmass and follows the picturesque Government Trail, winding through beautiful aspen groves before finishing at Koch Park in downtown Aspen. This popular half mara..

The Hanging Flume 50K is an ultrarunning trail race set in the scenic landscape of Southwestern Colorado, starting and finishing at the historic Uravan Ballpark. This race features a large loop primarily along abandoned mining two-track and desert single-track trails, offering participants stunning ..

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..