Trail Running calendar near Como 2026-2027

Snow Mountain Ranch in Granby Colorado features trail races from 5K to 50KM across dirt trails with varied elevation and mountain views. Loop courses include aid stations, drop bag access, onsite lodging, and a pacer option for the 50KM fin..

Devil on the Divide 50K and 22K This trail race takes place in Empire, Colorado. The course is 100% dirt, with the majority being single-track trail. It is a point-to-point route. Participants will reach a top altitude over 13,000 feet. The..

This women's trail running event in Buena Vista, Colorado offers a half marathon and a 10k through scenic Rocky Mountain terrain. The course winds through sagebrush and pines with views of the Collegiate Peaks. It fosters a supportive commu..

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.

The Break of Dawn North Table Trail Race features 10-mile and 5-mile courses on the trails of North Table Mountain in Golden. The event supports BeyondHome's mission. Packet pickup is available in the days before the race.

Test yourself on the iconic Pikes Peak Ascent, a 13.3 mile run from Manitou Springs to the summit with breathtaking views and huge elevation gain. A bucket list challenge for runners who crave high altitude adventure.

The 71st Pikes Peak Marathon is a 26.2-mile mountain run with nearly 8,000 feet of elevation gain and loss. The route goes from Manitou Springs to the summit of Pikes Peak and back.

The Crested Butte Ultra offers three trail distances in Colorado's Gunnison National Forest. Runners experience single track trails through mountain meadows and ridges with scenic views.

A trail running event in Buena Vista, Colorado offering 50k and 30k courses on high elevation singletrack and forest roads with views of the Collegiate Peaks. The event is organized by Freestone Endurance and hosted alongside 14er Fest.

A 24-hour loop endurance run on a 0.82 mile course atop the Palmer Divide at 7,240 feet. Prizes are awarded by distance and the first ten runners to reach 100 miles receive a buckle; a portion of registration fees supports local parks.

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.

A trail race at Hartman Rocks near Gunnison, Colorado, offering 50K, 28K and 15K options on slickrock, singletrack and doubletrack. The course features rolling hills, a high desert climate, and wide mountain views.

The Bear Chase Trail Race is a two-day endurance festival in Colorado's Bear Creek Lake Park. On Saturday, runners can tackle ultra distances from 50K to 100K, while Sunday features shorter races like a half marathon, 10K, and 5K. The cours..

Explore the scenic HRCA Backcountry Wilderness Area on this autumn trail race near Wildcat Mountain. Choose between a 10-mile or 10K course on rolling dirt trails. The event includes a kids' race and features a pancake breakfast and post-ra..

Run the scenic trails and roads near the iconic Royal Gorge Bridge. Choose from a 5K road run, an 8-mile trail run, or a challenging half marathon on October 3, 2026. Both trail races are limited to 200 runners each.

This Halloween-themed 5K in Aspen is a timed run or walk where participants can bring their costumed pets. Proceeds support the local animal shelter, and there are cash prizes, costume contests, and food trucks.

A classic four-race trail series in Colorado Springs parks, with distances growing each week from 3.8 to 7.4 miles. Awards celebrate those who complete the entire cross-country challenge. The long-running event enforces strict safety rules..

A multi-distance trail event at Indian Creek Campground near Sedalia, Colorado, featuring single-track routes through montane forests, aspens and red rock views, with 5-Mile, 15-Mile, 55k and 50-Mile options and limited entry.

A trail race series in Palmer Park, Colorado Springs offering 50K, 25K, 10K and 5K courses across rocky single track with city and Pikes Peak views. Mandatory reusable cup and offline GPX recommended; crews allowed at start and finish.