Trail Running calendar near Lake City 2025-2026

The Mountain Marmot Trail Run, presented by Durango Running Company, is a challenging 12-mile trail race held at Purgatory Resort in Durango, Colorado. The course features a steady climb of about 1,800 feet from the base to the top of Lift 8, followed by a downhill return, showcasing stunning single..

Ouray Mountain Trail Run takes place in Ouray, Colorado, on September 20, 2025, and covers 13 miles of mountainous terrain, starting and finishing at Fellin Park. A fundraiser for Ouray School, it’s hosted by PATT and the HS Outdoor Education Class to support student trips to Moab, Denver, Washingto..

Crested Butte Ultra, in Crested Butte, Colorado, features 50 Miler, 55K, and 35K formats. Runners traverse the Gunnison National Forest on single-track trails through mountain meadows and up to high ridges for wide-open vistas of wildflowers, mountain backdrops, and fall foliage. The event aims to f..

Deep Creek Trail Half Marathon is a roughly 13-mile trail race in Telluride, Colorado. The course starts at the beginning of Last Dollar Road near the Telluride Airport, runs to the Deep Creek Corral, then climbs into Aspen-filled woods and follows the Deep Creek Trail back to Telluride. The mostly..

The McGinn Memorial Cross Country Challenge is held annually at Reservoir Hill in downtown Pagosa Springs, Colorado. This event features middle school and high school races, with courses running 3 kilometers for middle schoolers and 5 kilometers for high schoolers. The terrain includes a mix of hill..

Pagosa Mountain Chile Cha Cha Trail Races in Pagosa Springs, Colorado, offers 5K and 10K trail options on a fresh course at Cloman Park, just minutes from downtown. The gentle, low-elevation loop winds through Ponderosa Pine with clear views of the San Juan Mountains and Pagosa Peak, making it suita..

Hanging Flume 50k is an ultrarunning trail race in Uravan, Colorado, starting and finishing at the historic Uravan Ballpark. The 50-kilometer course forms a large loop that mostly follows old mining two-track and remote desert single-track, threading canyons, slick-rock, and expansive southwestern v..

The West Elk Challenge is a point-to-point trail marathon in the North Fork Valley of Colorado on October 4, 2025. Distances offered: 26.2 miles (marathon) 30 km option (new in 2025; limited to 50 participants) The event is held during peak fall color and serves as a fundraiser for the Nature Con..

The Chicken Creek Challenge is a cross-country running event held in Mancos, Colorado, featuring races for middle and high school athletes. Middle school participants compete in 3.5-kilometer races, while high school runners tackle 5-kilometer courses. The event includes multiple categories such as..

Sage Burner Trail Race is held at Hartman Rocks Recreation Area in Gunnison, Colorado. The event date is Saturday, October 11, 2025. Distances offered include: 50K 28K 15K The event location features high desert terrain with sage brush and 360 degree views of the Maroon Bells, the San Juan Mounta..

Gothic Mountain Tour takes place in Crested Butte, Colorado. It features two ski races: a 23.5-mile competitive course and a 17.85-mile recreational route around Gothic Mountain, finishing on the Crested Butte Nordic trail system at the Magic Meadows Yurt. The course begins in Crested Butte (competi..

The 21st Annual Run Through Time Trail Marathon and Half Marathon takes place in Salida, Colorado. It offers a Trail Marathon, a Trail Half Marathon, and a 2 Mile Run, plus a free kids’ 400-meter dash in Riverside Park. Courses run on the Arkansas Hills Trail System—dirt/jeep roads and narrow, hilly..

San Juan Solstice 50 Mile Run is an ultramarathon scheduled for June 20, 2026. The event features a 50-mile course, with a dedicated course info page and an alternate course option, underscoring a challenging yet community-focused atmosphere. Entry is lottery-based with a cap of 300 runners; selecte..

The John Cappis is a challenging endurance peakbagging event held near Silverton, Colorado, featuring a roughly 50k course with about 19,000 feet of elevation gain. Participants summit multiple peaks in the rugged San Juan Mountains, navigating an unmarked, mostly off-trail route with elevations ran..

The event includes three distances: 50K Marathon (about 26.8 miles) 8 Miler (about 8.4 miles) The 50K and marathon run a loop on the Alpine Loop jeep roads in the San Juan Mountains. Runners pass historic ghost mining towns including Howardsville, Eureka, Animas Forks, and Gladstone. The course r..

The Kendall Mountain Runs take place in Silverton, Colorado on Sunday, July 19, 2026. This is the 45th annual running of the event, which traces its origins to a local wager in 1908 and was established as an annual race in 1978. The event is organized by Aravaipa Running and uses downtown Silverton..

The Kennebec Mountain Run is a 15-mile trail race in the La Plata Mountains near Hesperus, Colorado. The course gains about 3,100 feet and reaches a high point near 12,200 feet at Kennebec Pass. The event emphasizes alpine scenery, including views of the Animas and Dolores River valleys and alpine..

Imogene Pass Run is an annual race. The 53rd running is scheduled for Saturday, September 12, 2026. The organizer posts registration opening information; the registration date opening will be posted early in 2026. The event website provides a training guide, a course description, maps, aid station..