Trail Running calendar near Red Feather Lakes 2026-2027

Experience a snowshoe running event at the Snow Mountain Ranch YMCA in Colorado. Choose from 5k, 25k, or 50k distances on groomed trails and singletrack with a mandatory snowshoe requirement.

Experience an exclusive trail race at the private Sylvan Dale Guest Ranch in Loveland. Choose from 5K and 10K Friday evening runs or endurance challenges ranging from 4 to 12 hours on Saturday.

Explore Northern Colorado on the Poudre River Trail. This ultra offers 50 and 100-mile options, both for solo runners and relay teams. The unique 100-mile format combines a race day event with a virtual segment.

Test your endurance at this free backyard ultra on the gravel paths of Laramie. Complete the 4.17 mile loop every hour until only one runner remains to be crowned the Pronghorn King or Queen.

The Great Western Trail Race, a BOLDERBoulder qualifier in Severance, Colorado, is not scheduled for 2026 but may return. It has featured 5k, 10k, half marathon, and kids run distances. The event supports local community foundations and non..

Experience the rugged beauty of the Rocky Mountain foothills in Fort Collins with a 25 or 50 mile trail race through Lory State Park and Horsetooth Mountain Park featuring significant vertical gain and scenic ridgeline views.

Trail races at the YMCA of the Rockies in Estes Park with 50k, 25k and 10k options on a looped course featuring the Bible Point climb, two aid stations, and race swag including a Fractel hat and wool socks.

Test your endurance at this Golden Colorado event following the classic backyard format with 4.17 mile laps every hour. Support the Sun Valley Kitchen and Community Center while pushing for your personal best distance.

Test your resilience on a scenic two mile dirt loop in Northern Colorado with distances ranging from 7k to 100 miles. Enjoy a festival atmosphere featuring glamping, saunas, cold plunges, and relay options for teams.

A classic trail race near Laramie, WY offering a rugged 25K and a new 10K option with summit views, two aid stations, cupless aid, and proceeds supporting Pilot Hill conservation.

Experience the Rocky Mountains at Granby Ranch Resort with distances ranging from 6 miles to a 14 hour elevation challenge. Runners navigate single track trails through aspen groves and alpine meadows with views of the mountain range.

Run a flat and fast off road course at an animal sanctuary with views of the Rocky Mountains. Choose from multiple distances and timed events while supporting rescued farm animals in a festival atmosphere.

Experience a scenic loop course through the Devil’s Backbone Open Space in Loveland. This manual timed trail run features natural terrain and includes a commemorative hat for all participants.

Looped trail races around Barr Lake in Brighton, Colorado, with five distances on 100 percent dirt and lake and Front Range views. Courses have low elevation gain per loop, designated aid stations on longer routes, and drop bag areas.

Experience the single track trails of historic Howelsen Hill in Steamboat Springs. Choose between the 4 mile or 8 mile distance as you run through scenic aspen groves and vibrant wildflowers to benefit the Knights of Columbus.

Experience up to three miles of messy fun at the Colorado National Speedway. Navigate obstacles by crawling wading and sliding through the mud with friends and family during this unique event in Dacono.

A community-focused trail festival in Gold Hill, Colorado, with 28K, 12K, 5K and Kids 1K races, a shuttle from Boulder, and proceeds supporting wildfire preparedness for the town.

Experience the beauty of Lory State Park at this USATF sanctioned trail race featuring 5K, 5 mile, and 10 mile distances. Enjoy scenic foothill views, plant-based post-race pancakes, and unique wooden medals.

A Backyard Ultra around Lake Estes where runners repeat 4.252 mile laps on a paved loop until one finishes. The event offers a stocked aid station, a custom hat for participants, and benefits local childcare services.

Experience trail running at the historic Howelsen Hill ski area in Steamboat Springs. Choose between 5k and 10k distances as part of an exciting multi sport race weekend in the Colorado mountains.