Trail Running calendar near Beaver Creek 2026-2027

Experience the high-altitude scenery of Leadville on this 10K course, which follows the first and final miles of the famous LT100 Run. With a single aid station and awards for top finishers, it's a classic mountain run. Registration is open..

Run on 100% unpaved trails in the Rocky Mountains near Fraser. Choose between a high-elevation half marathon or a 5K, with leashed dogs welcome. All proceeds support the Shining Stars Foundation.

Staunton Rocks! Marathon and Half Marathon This trail running event takes place in Colorado's Front Range Mountains, southwest of Denver, within Staunton State Park. The course tours the park's renowned singletrack trails, passing by histor..

Experience high altitude trail running through the aspen groves and ski resorts of Arrowhead and Bachelor Gulch. Choose between a challenging half marathon with significant elevation gain or a scenic point to point downhill 5K.

Experience trail running on the Continental Divide in Steamboat Springs. Choose from 50k, 16 mile, or 5 mile courses in a cupless event supporting local trails. Awards, finisher mugs, and a post-race taco bar await participants.

This 40-mile point-to-point ultramarathon traverses the Elk Mountains from Crested Butte to Aspen, with over 6,000 feet of elevation gain. The event requires mandatory backcountry gear and supports Colorado Search and Rescue. Registration o..

A mountain trail race at Arapahoe Basin on September 5, 2026 covering *9.4 miles* and *2,211 ft* of ascent, with Sport, Expert and Pro divisions, a 700 runner cap, on course aid stations and category prizes.

This high-altitude trail run starts at 10,000 feet on Rabbit Ears Pass. The 10k course features 1,200 feet of climbing and descending on a mix of dirt roads and single-track. A shorter 5k option is also available.

Ned Ned Trail Fest The event is scheduled for September 12, 2026. The event address is 151 East Street in Nederland, Colorado, at an elevation of 8,236 feet. It is organized to support TEENS, Inc., a nonprofit. The organization provides ear..

The Snow Mountain Ranch Trail Running Festival in Granby, Colorado offers five distances from 5K to 50K on scenic dirt trails. Participants can tackle single races or multi race challenges. The event features autumn colors, rolling hills, a..

Tackle high-altitude trails in the Colorado Rockies. Choose between a demanding 50K or a 22K point-to-point course, both featuring single-track paths and significant climbs. This remote race requires experience and preparation.

The Trail Sisters Women's Half Marathon & 10k is a women's trail running weekend in Buena Vista, Colorado. The courses travel through sage and pine terrain with views of the Collegiate Peaks. It's presented as a supportive community event f..

Run through the fall colors of the Elk Mountains in Marble, Colorado. Choose from a scenic 25K, an 8-mile climb, or a kids 2.5K. All proceeds support the local charter school and registration includes a shirt, BBQ, and a finisher medal.

Run Rabbit Run is a September trail running event in the mountains near Steamboat Springs, Colorado. It features a 50-mile and a 100-mile course with significant elevation gain. The 100-mile race offers substantial prize money.

Experience the scenic trails of North Table Mountain in Golden with 5 and 10 mile races. Run through challenging switchbacks and loops to support families transitioning from homelessness.

Experience the trails of Crested Butte and the Gunnison National Forest. Choose from 50-mile, 55K, or 35K distances. This late September event offers mountain meadows, ridges, and vibrant fall colors.

Event Overview The West Line Winder is a trail running event taking place in Buena Vista, Colorado. It is part of the larger 14er Fest, a festival held in late September that aims to unite various trail user groups. The event is organized b..

The Estes Epic returns to Colorado's mountains with trail runs and a mountain bike race. Choose from a 50k run, a heavy half marathon, a 50k bike race, or the ultimate "Epic" double. The event supports the local high school mountain bike te..

This bucket-list half marathon runs from Snowmass to downtown Aspen on the scenic Government Trail. It sells out quickly, with registration opening each May for the late September race.

The Sage Burner Trail Race winds through the high desert landscape of Hartman Rocks near Gunnison. Runners face a mix of slickrock, singletrack, and punchy climbs. After the run, a community chili meal celebrates the effort, with support go..