Trail Running calendar near Ouray 2026-2027

Join the Gothic Mountain Tour in Crested Butte, a fundraising Nordic ski with competitive 23.5 miles and recreational 17.85 miles options. Limited to 200 skiers, enjoy alpine scenery and a festive finish at Magic Meadows Yurt.

A freestyle cross-country ski race at Durango Nordic Ski Club with big climbs, mountain views, and groomed snow. Multiple distances are offered and the event serves as the grand finale of the Salomon Southwest Nordic Race Series.

Join Uncle Clyde's Run & Slide at Purgatory Resort in Durango on Feb 28 for a fun team relay where pairs sprint up the tubing hill, slide down and tag off for 60 or 90 minute races. Costumes, cold weather gear and big laughs encouraged.

Celebrate Earth Day in Durango with a scenic 5K along the Animas River Trail starting and finishing at Rotary Park. This zero waste run supports Compañeros and pairs perfectly with the town's Earth Day parade and festival.

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..

A 50 mile high-country trail ultramarathon in Lake City, Colorado held near the summer solstice, limited to 300 runners with lottery registration and multiple marked creek-crossing route options.

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.

A 100 mile clockwise loop through the San Juan Mountains around Silverton and nearby towns, run on 4WD roads, dirt trails and cross country. The course includes about 66,394 feet of elevation change and reaches over 14,000 feet.

A historic Crested Butte trail event on July 11 2026 offering a 25 km loop, a 15 km out and back, and a mountain bike route with alpine climbs, a Green Lake checkpoint, limited aid, and a required minimum water carry.

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.

Mountain trail races in Silverton, Colorado follow the Alpine Loop with 50K, marathon and 8-mile options through historic mining towns and high alpine terrain. Courses feature substantial elevation gain, aid stations, drop bag access, and c..

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 races on Grand Mesa, Colorado, with 50 mile, 55K and 30K options across high elevation single track, alpine meadows, lakes and multiple camping choices.

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 near Durango, Colorado on August 14, 2026, covering about 104 miles with roughly 19,000 feet of climbing and an average elevation near 10,000 feet. Pacers are allowed from mile 45.5 and there is a 38 hour c..

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.

A 40 mile point to point mountain ultramarathon from Crested Butte to Aspen across the Elk Mountains, the Grand Traverse follows the backcountry ski route and raises funds for Crested Butte Nordic while providing mandatory backcountry gear..