Trail Running calendar near Navajo 2026-2027

A Backyard Ultra on the Spurline Trail in Durango where runners complete repeated 4.17 miles loops each hour until one person remains. The event raises funds for Durango Trails and requires an entry fee plus per yard pledges.

A three-race summer trail series in Durango pairing professionally timed 5K to 10K trail races with local breweries and nonprofit partners. Each event includes post-race celebrations, awards, and a free beer for 21+ attendees.

A 50 mile high mountain trail run in Lake City, Colorado, held near the summer solstice. Live tracking is required and entrants must be 18 or older with prior trail ultra experience.

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.

A 100 mile loop ultramarathon in the San Juan Mountains of southern Colorado, featuring about 66,394 feet of total elevation change and an average elevation of 11,186 feet. The course uses 4WD roads, dirt trails and cross country terrain.

Trail races in Silverton, Colorado offering 50K, marathon and 8 mile courses along the Alpine Loop through historic mining towns, reaching California Pass at about 12,926 feet. Aid stations, chip timing and a cupless Kendall Mountain Run ar..

A mountain race in Silverton, Colorado that climbs from about 9,318 feet to near 13,060 feet with a final 300 foot scramble. Distances include a 12 mile summit route and an 11K out-and-back, with aid stations and a cupless policy.

A mountain trail event in Creede Colorado offering 50 mile and 100 mile options, with the 100 mile course climbing above 12,000 feet and crossing the Continental Divide for 25 miles. Entry for the 100 mile is limited to 100 spots.

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 mountain challenge in Lake City, CO with 24 required proof points and checkpoints. Routes are unmarked, aid is allowed only at checkpoints, and finishers must return to Lake City within 48 hours.

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.

La Garita 200 is a 200 mile mountain loop that starts and finishes in South Fork on the banks of the Rio Grande. The route rises to just under 13,000 feet and passes through pine forest, alpine tundra and mountain parks.

Trail races of 50K, 22, 12 and 2 miles around Creede, Colorado on Sep 5, 2026. Courses include high elevation sections on the Continental Divide and loops through the Historic Mining District.

A cross-country meet at Reservoir Hill in Pagosa Springs with middle school 3K and high school 5K races on hilly forest roads and single-track trails. Ribbons go to the top 10 and team awards for top high school teams.

A 12 Mile uphill trail race at Purgatory Resort in Durango, Colorado on September 26, 2026. The single track course climbs from the base to the summit and concludes with a post race celebration including food and beer.

A high desert trail race near Cuba, New Mexico on the Continental Divide Trail, with routes from 10 miles to 53 miles. The course covers single track, slickrock and piñon forest and includes aid stations and race swag.