Trail Running calendar near Ouray 2026-2027

The Pine Needle Langlauf is a demanding freestyle Nordic ski race in Durango. It offers multiple distances and features significant climbs and descents. The event concludes with live music and prizes.

Uncle Clyde's Run & Slide is a unique winter relay on a snow tubing hill at Purgatory Resort. Teams of two or three race up the hill carrying a tube, slide down, and hand off to a teammate. It’s a capped-entry event with categories for all..

Join the inaugural Earth Day 5K on the Animas River Trail in Durango. This fun run/walk supports Compañeros, an organization serving immigrants. It's a Zero Waste event encouraging participants to bring their own water.

A roughly 14 mile loop around Vallecito Reservoir in Bayfield, Colorado, combining paved road, dirt road and singletrack with about 1,000 ft of climbing. The event features four aid stations, a cupless policy and a post-race meal with live..

Tackle a rugged 50-mile journey through the high mountains near Lake City, Colorado. This classic ultra, a benefit for local EMTs, features technical trails and multiple creek crossings. Runners need proven mountain experience to take on th..

A mountaineering peakbagging route near Silverton, Colorado, with an unmarked, mostly off-trail course of about 50k and 19,000 ft of gain. Entry is limited to club members with solid mountain experience and support is minimal.

Event Overview The Hardrock Hundred Mile Endurance Run, also known as the Hardrock 100, is a 100-mile ultramarathon. The course involves 66,394 feet of total elevation change, with 33,197 feet of climbing and 33,197 feet of descent. The ave..

Crested Butte's oldest trail challenge offers a classic 15k run, a 25k loop, and a tough mountain bike route. The bike course covers nearly 15 miles with significant climbing. This is a no-frills event focused on the trail experience.

A 100 mile trail ultramarathon in Ouray, Colorado with about 41,862 feet of gain, required volunteer service or a $100 opt out, mandatory SPOT tracking, and cash awards subject to drug testing.

Trail runs in Colorado's San Juan Mountains feature a 50K, marathon, and 8-mile course on historic jeep roads. The routes pass ghost towns and reach the high point of California Pass. The event is cupless with no crew access at aid stations..

A mountain run in Silverton with two distances, a jeep road climb from 9,318 to 13,066 feet and a final summit scramble. The event is cupless, has aid stations on course, a six hour time limit, and a Mountain Duo option.

An ultra running event in Creede offering 50 mile and 100 mile courses across the San Isabel and Rio Grande National Forests over two days, organized by Tempest Adventures under a USDA Forest Service permit.

Trail ultras of 50 miles, 55K and 30K on Grand Mesa in Colorado with mountain single track, alpine meadows and lakes. Camping options are available and the event includes cash prizes, finisher awards and post race amenities.

High-alpine loop races in Telluride offering a 30 K with about 5,800 ft gain and a 10-mile with about 3,500 ft gain, featuring alpine meadows, canyon ascent and ski-resort singletrack with a high point near 13,000 ft.

A 15 mile mountain trail race in Hesperus, Colorado, gaining about 3,100 feet and topping out near 12,200 feet at Kennebec Pass. This non profit event benefits La Plata County Search and Rescue and is limited to 150 runners.

A self directed mountain 100 mile route from and back to Lake City with 24 required points, an estimated 90 to 105 mile practical route, and a 48 hour cutoff.

A 100 mile mountain ultramarathon around Durango, Colorado, run at high elevation with roughly 20,000 feet of climbing and a 38 hour cutoff. Registration opens March 15, 2026.

A technical mountain race above Telluride, Colorado, offered in five distances from a hill climb to 65 miles. Courses cross old mining roads, singletrack and alpine tundra with exposed ridgelines and sections above 13,000 ft.

This 40-mile point-to-point ultramarathon traverses the Elk Mountains from Crested Butte to Aspen, with over 6,000 feet of elevation gain. The event requires mandatory backcountry gear and supports Colorado Search and Rescue. Registration o..

A multi-distance trail event in Creede, Colorado, the Creede Mountain Run routes runners from the historic town into high-elevation mountain terrain with alpine single track, mining-era sites, and enforced cutoffs for the 22 Mile and 50K co..