Trail Running calendar near Copper Mountain 2026-2027

Run Like the Wind in Allenspark on August 29, 2026 features a 5K race, a 2K run/walk and a dog jog option. Proceeds benefit The Old Gallery and participating dogs are entered in an amateur dog show.

The Summit UP Run will take place in Copper Mountain on Saturday 29 August 2026. You can run 5 kilometers.

A 40-mile point-to-point ultramarathon from Crested Butte to Aspen across the Elk Mountains with over 6,000 feet of climbing, five aid stations, mandatory backcountry gear and mandatory tracking; proceeds support Crested Butte Nordic.

A mountain trail race at Arapahoe Basin on September 5, 2026 covering 9.4 miles and 2,211 ft of vertical. The marked course uses established trails in White River National Forest and finishes in Mountain Goat Plaza with live music and food.

Join the community for a 5K run or walk on a brand new dirt course at the North Arvada Middle School Athletic Complex. Support local high school racers before taking on this off road route yourself.

A load bearing endurance event at Staunton State Park on September 5, 2026. Routes range from 6.5 to 21.5 miles with loads from 10 to 40 lb and proceeds benefit the Special Forces Foundation.

Experience a high altitude trail run starting at 10,000 feet on Rabbit Ears Pass. Runners navigate a mix of forest roads and single track trails with 1,200 feet of elevation change through scenic Colorado terrain.

A remembrance running event in Longmont, Colorado on a flat 1.05 mile loop, offering timed and distance options from 5K to 100 miles. Amenities include race shirts, finisher awards, a stocked aid station, and hot food for overnight runners.

A longstanding Nederland, Colorado running event offering a 5K road run, a 10K trail, and a trail half marathon, with family-friendly features, on-leash dogs allowed in the 5K, and costume encouragement.

Trail running festival at Snow Mountain Ranch near Granby, Colorado with distances from 3.3 to 31.4 miles on dirt trails, notable elevation changes, aid stations, a cupless initiative, and volunteer opportunities.

Devil on the Divide in Empire, Colorado is a point to point trail event on September 12, 2026 offering 50K and 22K options with high alpine terrain and substantial elevation gain; prior ultra experience is required for the 50K.

Trail Sisters Women's Half Marathon and 10K in Buena Vista, Colorado, feature trail courses through sagebrush and ponderosa pines with views of the Collegiate Peaks, and offer both group and solo participation options.

A trail race on Meadow Mountain in Minturn, Colorado offering an 11K and a 5K route across singletrack and meadows with stream crossings, scenic mountain views, on-course aid stations, and finish-line t-shirts and refreshments.

A mountain race day in Marble, Colorado on September 13, 2026, with a 25K loop, an 8-mile Quarry Climb, and a kids 2.5K; entries include a shirt, post-race BBQ, beer, and a finisher medal, and proceeds benefit Marble Charter School.

A two-day ultramarathon in Steamboat Springs on September 18 and 19, 2026 featuring 100 mile and 50 mile trail races with limited fields and multi hour cutoffs. The race is a charity event with a significant prize purse and active volunteer..

Trail race in Golden, Colorado with 10 mile and 5 mile courses on North Table Mountain. Organized by BeyondHome to raise funds for families moving from homelessness to self sufficiency.

Expo Park XC is an old school grass cross-country meet in Aurora, Colorado, featuring creek crossings, a wooden footbridge and bale jumps. Races range from about 1 km for young children to a 5 km open race.

A mountain ultramarathon in Crested Butte, Colorado on September 26, 2026, offered in 35K, 55K and 50 mile distances. Courses run through Gunnison National Forest with single track trails, alpine meadows, cupless aid stations, and on course..

Experience desert style single track and forest roads with views of the Collegiate Peaks in Buena Vista. Choose between 50k or 30k distances as part of the multi sport 14er Fest.

A 24 hour loop race on the Palmer Divide near Palmer Lake, Colorado. Runners repeat a 0.82 mile loop at 7,240 feet to compete for distance, awards and 100 mile buckles while supporting local parks.