Trail Running calendar near Crawford 2026-2027

Experience the mountain trails of Aspen Snowmass with three distinct race distances. Runners can choose between a 50K trek across four mountains a 25K trail run or a 10K course starting from the Elk Camp Gondola.

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.

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.

Grand Mesa Ultras on July 25, 2026 offers 50 mile, 55K and 30K trail races on high elevation mountain terrain with camping options, finisher awards, cash prizes, a raffle, food and beer.

Mountain trail races in Telluride, Colorado offering a high alpine 30K with about 5,800 ft of gain and a 10 mile with about 3,500 ft of gain, both on mixed double track and singletrack with alpine views.

A mountain trail event in Aspen on August 1, 2026 offering 50K, marathon and heavy half-marathon mostly on dirt trails with significant elevation gain; limited on-course support and a finish festival at Rio Grande Park.

A self guided 100 Miler around Lake City, CO that requires visiting 24 proof points and checkpoints in order. The course is unmarked and unsupported and must be completed within 48 hours.

Celebrate Colorado with a series of scenic trail runs in Snowmass Village featuring multiple distances and a unique 18.76k medal challenge ending with craft beer and live music.

A technical mountain race above Telluride, Colorado, offering five routes from a hill climb to 65 miles, with high-altitude ridgelines and rocky, exposed terrain; intended for experienced mountain runners.

A 50 mile mountain ultramarathon in Ouray, Colorado with 23,582 feet of ascent on technical high elevation trails. Runners must meet a volunteer service requirement or pay a $100 opt-out; SPOT tracking and drug-tested cash prizes.

Experience a 40 mile point to point ultramarathon through the Elk Mountains from Crested Butte to Aspen. This high alpine challenge features 6000 feet of elevation gain and supports local recreational non-profit initiatives.

The The Sneffels Round will take place in Ouray on Saturday 5 September 2026.

Trail running in Creede, Colorado with 50K, 22 mile, 12 mile and 2 mile courses through the historic mining district and near the Continental Divide. Several courses include specific cutoff locations and time limits.

A demanding 17.1 mile mountain trail race connecting Ouray and Telluride over the high altitude Imogene Pass. This event features steep rocky terrain and strict cutoffs for prepared athletes.

Low-key trail running event in Loma, Colorado offering Half Marathon, Marathon (26.2 Miles) and 50 Miler with a flat $50 entry fee. Registration runs April 5 to August 1, and participants may change distance on race day.

Discover the scenic Elk Mountains in Marble Colorado with trail races ranging from a 25 km loop to a kids fun run. Support a local charter school while enjoying peak fall colors and a post race barbecue meal.

A 13-mile mountain trail run in Ouray, Colorado, starting and finishing at Fellin Park. The event is a fundraiser for the Ouray School, is intended to be cupless with three water stations, and offers awards for top finishers.

A 5k fundraiser in Telluride that benefits the Telluride Adaptive Sports Program in remembrance of Felix Snow. The course starts and ends at Elks Park and the event includes post-race live music, free beer and yoga.

Experience the mountain ridges and meadows of Gunnison National Forest at the Crested Butte Ultra. Choose between 35K, 55K, and 50 mile distances on single track trails with stunning fall foliage.

A roughly 13 mile trail half marathon near Telluride, Colorado, following Last Dollar Road into aspen woods along Deep Creek and returning to town, with a five hour cutoff and bib pickup options on the Friday before and race morning.