Trail Running calendar near Buena Vista 2026-2027

A mountain fundraiser in Conifer, Colorado on July 25, 2026 featuring a 10K, a USATF certified 5K, and a 2 mile fun run, followed by a street festival with live music, vendors, and family activities.

National High School Trail Championships and Beas Knees Citizens Race The National High School Trail Championships and the Beas Knees Citizens Race take place on July 25, 2026, on the Salida Mountain Trails in Salida, Colorado. The high sch..

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.

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.

A multi-distance trail running event in Aspen, Colorado, held on mostly dirt trails with substantial elevation gain. The race centers at Rio Grande Park and takes place alongside a park festival that includes live music and food.

Point to point mountain trail races in Winter Park, Colorado on August 1, 2026. Three distances offer alpine singletrack, substantial elevation change, aid stations with nutrition, and age group awards for men and women.

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 untimed trail event at New Belgium Ranger Station in Snowmass Village offering 3.76k, 5k and a 10k plus an 18.76k Centennial Challenge. Includes a free New Belgium craft brew, finisher medal and event festivities.

Trail races of 5k, 10k and half marathon on Frisco Peninsula trails with lake and mountain views, single-track sections, chip timing, aid stations, and post-race food and beer for participants 21 and older.

Trail races of 16 mile and 8 mile take place at Rampart Reservoir near Woodland Park, Colorado. Pre registration is required and parking is on USFS Roads 950 and 951 with about a quarter mile walk to the start.

A traditional pack-burro race in Leadville, Colorado at over 10,000 feet where each team is one runner and one burro carrying mining tools. The long course is about 21 miles and a shorter 6 to 8 mile course is planned.

A running event at Carter Park in Breckenridge on August 12, 2026 offering short and long course entries in Adult, Youth and Non-Binary Open divisions with published entry fees.

Experience the trails of Cheyenne Mountain State Park with three race distances ranging from a 5K walk to a 25K mountain challenge. This chip timed fundraiser supports park conservation through scenic and high elevation courses.

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

The Leadville Trail 10K Run on August 16, 2026 is a 10 km out and back that uses the opening and closing sections of the LT100 Run course at high elevation, with one aid station at the turnaround and age group and overall awards.

A high-elevation, approximately 100-mile out-and-back ultramarathon in Leadville, Colorado, featuring Hope Pass and over 15,000 feet of climbing. The event uses an entry lottery and includes 11 aid stations, pacer allowance, and buckle awar..