Trail Running calendar near Eagle 2026-2027

A three-race trail series at Sunlight Mountain Resort in Glenwood Springs from June to September 2026, featuring 5k, 10k and a half marathon. Each event has specific bib pickup, registration rules, and course support details.

A 5K run/walk in Winter Park, Colorado following the Fraser River Trail from Gondola Plaza to the Rendezvous Event Center, with an after party featuring refreshments, awards and prize giveaways.

A downtown Leadville Fourth of July 5K held above 10,000 feet, with adult fees rising from $25 to $30 after July 2 and free entry for youth 17 and under. Proceeds support local youth athletics and recreation.

A mountain trail race on July 5, 2026 in Vail, Colorado covering 12.2 km with about 2,128 feet of climb, starting at Vail’s Mountain Haus and finishing at Mid-Vail. Aid stations, race shirts, awards and postrace refreshments are provided.

Experience high altitude trail running through historic Colorado ghost towns and mines at over 10000 feet. Choose from distances ranging from 10 miles to 100 miles in the scenic South Park Valley.

Trail running and mountain biking near Crested Butte with 15 km and 25 km options. Courses include alpine climbs to near 11,000 ft, limited aid stations, and non traditional prize drawings.

A high-altitude 50-mile out-and-back on dirt roads through Leadville’s historic mining district, with 7,503 feet of gain, seven aid stations, and LT100 qualifier coins available to finishers.

Experience the STRS Horseshoe Gulch Grind in Breckenridge with short and long course options. This trail event offers categories for adults and youth starting from the Blair Witch Trailhead.

A 100 mile loop in Colorado’s Sawatch Range, the High Lonesome 100 covers about 23,300 feet of elevation gain and includes long sections on the Continental Divide and Colorado Trail with a 37 hour cutoff.

Trail races of 5K and 15K on July 18, 2026 at Powderhorn Mountain Resort featuring climbs on the Stagecoach Trail and a finish at the Flattop Flyer. Registration includes resort entry, shirt, finisher item, post race food and a lift pass.

Trail races on Spring Creek Trail in Steamboat Springs featuring a 9.5 mile scenic loop with about 1,750 ft gain and a rolling 5K out and back, plus a prize drawing and a post-race meal by Freshies.

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.

Mountain trail races on Vail Mountain at 10,000 feet with rerouted 10K and 5K courses, gondola access to the start, aid stations and finish food, age-group awards, t-shirts and a post-race raffle.

TransRockies Run is a three day stage race in Moab, Utah on July 19 to 21, 2026, offering two distance options called Half Pint and Full Pint along with a race guide and supporting event information.

Experience a true mountain ultra through the rugged alpine peaks and lakes of Northern Colorado. Navigate technical trails and high ridges across 60km or 100km courses in a wild wilderness setting.

Trail ultramarathons on Colorado's Grand Mesa with three distances, mountain single track, alpine scenery, camping options, awards, and post race food and beer.

Experience a historic Colorado tradition where runners and burros compete together. Navigate mountain trails and high altitude passes while carrying traditional mining gear in this unique world championship event.

A single 200 mile loop around Summit County, Colorado, running above 9,000 feet with roughly 40,000 feet of climbing. Field capped at 75 runners, live GPS tracking provided, and a multi tier deferral policy with no refunds.

Experience high elevation trail running in the mountains of Fairplay Colorado. This event offers three distances ranging from a half marathon on forest roads to technical ultramarathons through remote wilderness terrain.

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.