Trail Running calendar near Bayfield 2026-2027

Run the Sky Pilots Ouray Backyard Ultra in Fellin Park, completing a 4.167 mile loop each hour until one runner outlasts the field. Enjoy riverside trails, mountain views near 7,700 feet and shared aid.

A trail running event in Farmington, New Mexico on May 16, 2026 offering 5 miles, 9 miles and 15 miles courses through Hood Mesa trails. Early registrants receive a T-shirt and packet pick-up is available the day before and the morning of t..

A 14 mile loop around Vallecito Reservoir with paved road, singletrack, dam crossing and about 1000 feet of climbing. The field is capped at 250 runners, the race is professionally timed, runs cupless, and ends with a post race meal and liv..

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.

An uphill community foot race in Telluride raising funds for the Good Neighbor Fund. Runners follow the Telluride Trail for about 0.8 miles with significant elevation gain and must register and pick up a race bib in advance.

The Hardrock 100 is a 100 mile loop trail run around Silverton, Colorado, covering 66,394 feet of elevation change with an average elevation above 11,000 feet. The route uses 4WD roads, dirt trails and cross country sections in the San Juan..

A 100 mile mountain ultramarathon in Ouray, Colorado, with about 41,862 feet of elevation gain and fourteen climbs. Participants must complete eight hours of pre race volunteer service or pay a $100 opt out fee; winners face drug testing.

Mountain trail races in Silverton, Colorado on July 18, 2026 feature a 50K loop, marathon, and 8.4 mile out-and-back along the Alpine Loop, passing ghost mining towns and reaching about 12,926 feet with aid stations and chip timing.

High-elevation trail races in Silverton, Colorado offering a 12 mile summit route with a final 300 foot scramble and an 11 km out and back to Deer Park, on jeep roads with aid stations and cupless refills.

Creede 50 and Creede 100 take place in Creede on July 25 and 26, 2026, offering 50 mile and 100 mile courses with runner, crew, and pacer information provided by Tempest Adventures LLC.

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 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 100 mile mountain ultramarathon north of Durango, Colorado featuring roughly 19,000 feet of climbing and a 38 hour cutoff. The high alpine course follows the Colorado Trail and reaches 12,438 feet with variable mountain weather.

La Garita 200 is a new 200 mile mountain race in South Fork, Colorado, forming a large loop through the La Garita range and reaching nearly 13,000 feet. Entry is confirmed once the initial field of 25 to 30 runners is reached.

A technical mountain race in the San Juan Mountains above Telluride, Colorado, with multiple long courses and sections above 13,000 ft. Rocky, steep and exposed terrain requires prior mountain running experience.

The Ouray 50 mile run in Ouray, Colorado is a high elevation mountain course with 23,582 feet of climb, mandatory volunteer service or a $100 opt out, live SPOT tracking, and drug tested cash prizes for top finishers.