Trail Running calendar near Edwards 2026-2027

A mountain trail race at Arapahoe Basin on September 5, 2026: 9.4 miles and 2,211 ft vertical on Forest Service trails, starting and finishing at Mountain Goat Plaza, with on-course aid stations, singletrack sections, finish-line music and..

A trail race starting at the Rabbit Ears Pass summit near Steamboat Springs at about 10,000 ft, offered as a listed 10 km (actual 6.8 miles) and a 5 km option. Proceeds support Steamboat Nordic and entries are limited by a USFS permit.

Ned Ned Run in Nederland Colorado features a trail Half Marathon, a 10K on dirt roads and single track, and a 5K out and back near Old Town. The event is family friendly, allows leashed dogs in the 5K, and encourages costumes.

Run high alpine trails at Snow Mountain Ranch in Granby Colorado on September 12 2026. Choices from 5K to 50K plus Moosehead challenges, scenic dirt and grass routes with on site lodging and camping.

Mountain trail races in Empire, Colorado offering 50K and 22K point-to-point courses on dirt single-track. Expect high altitude above 13,000 feet and significant climbing; prior ultra experience is required for the 50K.

The Trail Sisters Women's Half Marathon will take place in Buena Vista on Saturday 12 September 2026. You can run between 10 and 21 kilometers.

Run Rabbit Run in Steamboat Springs offers a limited-field 100 mile race with Hares and Tortoises and a 50 mile race, backed by a substantial prize pool and significant charitable donations.

Take on the scenic trails of North Table Mountain Park in Golden and support BeyondHome’s work helping families build stable, self sufficient futures. Enjoy community vibes, stunning views, and artisan awards for top finishers.

Trail ultraruns in Crested Butte, Colorado on September 26, 2026 offering 35K, 55K and 50 mile courses through Gunnison National Forest with cupless aid stations and finisher perks including a shirt, hat, and buckle.

A trail running event in Buena Vista, Colorado offering 50K and 30K courses on singletrack and forest roads, with published ascent, elevation, and cutoffs; produced by Freestone Endurance and hosted by 14er Fest.

A high alpine 50k in Nathrop, Colorado on September 27, 2026. The 33 mile course gains about 7,000 feet, runs largely on singletrack and the Colorado Trail, and includes three aid stations and an 11 hour cutoff.

Sage Burner Trail Race in Gunnison, Colorado offers 50K, 28K and 15K courses across slickrock, singletrack and doubletrack terrain, with participant swag and a youth partnership for the 15K.

Bear Chase Trail Race is a two day endurance festival at Bear Creek Lake Park with distances from 5K to 100K on scenic single track trails. Ultras race Saturday, shorter events Sunday, and proceeds help Lakewood open space and trails.

A trail event on Emerald Mountain from Howelsen Hill offering a **12k** (about 7.75 miles) and a 4-mile run or hike on aspen-lined single track, with category prizes and a participant raffle after the race.

Run the Rubey Rescue Run, a challenging 5K uphill trail in Aspen that climbs to the Cliff House with sweeping Maroon Bells views. Timed and dog friendly, the October race raises funds for the Aspen Animal Shelter.

Trail races at Bear Creek Lake Park offering 5 km, 15 km, a 5 km plus 15 km double, and a Kids 1 km. Main race registration includes socks or a neck gaiter and a pancake breakfast while kids receive a stuffy at the finish.

The Sawmill Trail Runs will take place in Pine Junction Area on Saturday 5 December 2026. You can run between 8 and 50 kilometers.