Trail Running calendar near Lake City 2026-2027

San Juan Solstice 50 Mile Run on June 20, 2026 uses MAProgress live tracking; entry was by lottery with 300 registered and 285 on the waitlist. All runners must carry a registered tracker which can be owned, borrowed, or rented.

A rugged, mostly off-trail 50k around Silverton, CO, with about 19,000 ft of ascent and a roughly 19-hour cutoff. Entry is limited and restricted to club members with proven mountain navigation experience.

Trail Town Ten in Ridgway features a 10 mile lollipop course with San Juan Mountain views and a 5 mile out-and-back on the same dirt roads. The event is coordinated with Ridgway RiverFest and benefits the Uncompahgre Watershed Partnership.

An uphill 0.8 mile foot race from Telluride to San Sophia ridge via the Telluride Trail, the Rundola raises funds for the Good Neighbor Fund and awards medals and prizes across age and gender categories.

A 100-mile loop in the San Juan Mountains near Silverton Colorado featuring about 66,500 feet of total elevation change and alpine terrain. The event publishes runner and volunteer manuals and supports local organizations.

A historic Crested Butte trail event offering 15 km and 25 km runs plus a technical 25 km mountain bike course. Routes include long climbs, rocky singletrack and a Green Lake checkpoint with limited aid.

A 100-mile trail race in Ouray, Colorado, with about 41,862 feet of elevation gain across fourteen climbs and a 52-hour cutoff. Runners must complete eight hours of volunteer service or pay a $100 opt-out fee; winners face drug testing and..

Experience a high altitude mountain race through the Sawatch range of the Colorado Rockies. This 101 mile loop features historical ghost towns and alpine passes with over 23000 feet of elevation gain.

Trail races around Silverton, Colorado on the Alpine Loop with 50K, marathon and 8-mile courses passing historic mining towns and reaching California Pass at about 12,930 feet; aid stations, chip timing, no pacers, and limited crew access.

Kendall Mountain Run in Silverton on July 19, 2026 features a 12 mile summit route climbing from 9,318 ft to 13,066 ft and an 11 km out and back to Deer Park, with cupless aid stations and a six hour time limit.

Creede 50 and 100 take place in Creede on July 25 and 26, 2026, offering 50 mile and 100 mile courses organized by Tempest Adventures. The event site provides runner information, course details, crew and pacer guidance, and support resource..

A mountain trail event on Colorado’s Grand Mesa on July 25, 2026 offering 50 mile, 55K and 30K courses with technical single track, alpine scenery and multiple camping options.

High altitude mountain trail races in Telluride on July 25th 2026, featuring a 30K with about 5,800 ft of gain and a 10 mile with about 3,500 ft, mainly on technical alpine singletrack and double track.

A 15 mile mountain trail run on August 1, 2026 that climbs about 3,100 feet and reaches over 12,000 feet at Kennebec Pass. The course offers alpine terrain and views of the Animas and Dolores River valleys while supporting La Plata County S..

A self navigated 100 mile mountain challenge from Lake City that requires visiting 24 points in order, returning within 48 hours, and covering roughly 90 to 105 miles with over 40,000 feet of elevation gain.

A high-mountain 100 mile ultramarathon north of Durango, Colorado, with about 19,000 ft of climbing and a 38 hour cutoff. The 2026 race is sold out; satellite tracking and specific mandatory gear are required.

A new 200 mile loop ultramarathon in the La Garita mountains near South Fork, Colorado, featuring riverbank start, high alpine sections to just under 13,000 feet, pine forest and tundra terrain before returning to South Fork.

A technical mountain race above Telluride, Colorado, with five route options across mining roads, singletrack and alpine tundra. Courses climb to elevations above 13,000 ft and focus on the high-elevation trail experience.

A 50 mile mountain ultramarathon in Ouray, Colorado with 23,582 feet of climbing across technical, high elevation trails. Entrants must meet a volunteer service requirement, carry a provided SPOT tracker, and winners face drug testing.

A 40 mile point to point mountain ultramarathon from Crested Butte to Aspen across the Elk Mountains with over 6,000 feet of climb, organized as a fundraiser for Crested Butte Nordic and requiring specific backcountry gear.