Trail Running calendar near Minturn 2026-2027

A 100 mile loop through Colorado's Sawatch Range, the High Lonesome 100 covers about 23,300 feet of climb, includes 27 miles of the Continental Divide Trail and 35 miles of the Colorado Trail, and provides detailed maps and aid stations.

A three day 120 miles trail running event near Buena Vista Colorado using charity bibs that require a minimum $2,000 fundraising commitment. Successful fundraisers receive a registration code and donations are final and distributed in Decem..

A trail race on Spring Creek near the gazebo in Steamboat Springs offering a 9.5 mile loop with steep early climbs and a 5K out and back. The long course has one aid station and is cupless.

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-altitude trail races on Vail Mountain offering 10K and 5K courses that start near Gondola One, feature singletrack and gravel sections, on-course aid stations, post-race refreshments, and age-group awards.

Repeating 2 km out and back laps on the Thumb Open Space trail in Estes Park. Participants collect a poker chip at each turnaround and the most chips wins during a sunup to sundown timeframe; 35 spots and a $100 entry fee.

Alpine ultramarathons in State Forest State Park between the Never Summer and Medicine Bow ranges. Options include 100 km, 60 km or both, with high elevation terrain, staffed aid stations and limited cell service.

Held July 25, 2026 in Conifer, Colorado, the Elevation Run/Walk offers a 10K, a USATF certified 5K and a 2 mile fun run while raising funds for local school boosters and leading into the Elevation Celebration festival with music and vendors..

A combined national high school trail championship and a citizens race on the Salida Mountain Trails in Salida, Colorado on July 25, 2026. The 5.4 mile singletrack course includes steep climbs, switchbacks and a high point near 7,558 ft.

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 on trails, 4WD roads and rec paths, with elevations above 9,000 ft and sections over 12,700 ft. The field is capped at 75 runners and includes 12 aid stations, four sleep stations, and l..

STRS #4 - Tom's Baby on July 29, 2026 takes place at Tom's Baby Trailhead in Breckenridge, CO, offering short and long course entries with adult, youth, and non-binary categories and published entry fees.

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.

Trail races in Aspen on August 1, 2026 offering 50K, marathon and heavy half marathon on dirt trails with substantial elevation gain. The event finishes at Rio Grande Park the same day as the Duck Derby festival with music and food.

A mountain trail event in Winter Park, CO offering 50K, 21K, and 10K courses across high alpine singletrack with significant elevation gain, staffed aid stations, age group awards, and town finish at Rendezvous Event Center.

A mountain trail race in Vail on August 1, 2026 featuring an uphill 6.9 km course with about 2,013 feet of gain, singletrack and doubletrack terrain, an aid station, post race refreshments, awards and a raffle.

Two Brothers Up and Down in Idaho Springs offers two uphill out and back races on mixed dirt and paved roads, with steep sections and an aid station on the 10k. Both races start and finish at Courtney Riley Cooper Park.

A pack burro race in Buena Vista Colorado on Aug 2 2026 with 13.1 mile and 7.3 mile courses offered both with and without burros. Burro teams must meet specific equipment and conduct rules and finishers receive a gift and a meal.

A two day running event in Snowmass Village on August 7 and 8, 2026 offering 3.76k, 5k and a single 10k plus an 18.76k challenge. Finishers receive a free New Belgium brew and event medals; proceeds support local nonprofits.

Trail races of 5k, 10k and half marathon on Frisco Peninsula trails with single track, lakeshore finishes, chip timing, aid stations for the 10k and half, and post race food and beer for participants 21 and older.