Trail Running calendar near Jackson County 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 private trails and diverse terrain at the Sylvan Dale Guest Ranch in Loveland. Choose from traditional 5k and 10k races or test your endurance in timed events ranging from 4 to 12 hours.

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.

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.

Kick off the trail running season in Eagle, Colorado, with a 14K or 6K race through scenic pinyon groves and single track trails ending with a festive afterparty.

Samson's Revenge is a trail race on the historic grounds of the YMCA of the Rockies in Estes Park. Runners can choose from 10k, 27k, or 55k distances on a challenging loop course. All participants receive a day pass to the YMCA and custom r..

The Pilot Hill 25K Classic is Wyoming's oldest continuously run footrace, offering a 25K and a 10K on rugged trails with expansive mountain views. This cupless event finishes with refreshments and contributes to local conservation efforts...

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 the trails at Devil's Backbone Open Space in this classic 10k+ loop course. The event features old-school stick timing and finishes with an awards ceremony at a local brewery. This race series will conclude after the 2028 edition.

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.

Celebrate the longest day of the year with a scenic trail run through Beaver Creek Resort. Enjoy blooming wildflowers and breathtaking mountain views across diverse single track and gravel courses.

Explore Colorado's peaks in this series of five mountain races. Run four scenic half marathons and a challenging 25K across the state from June to September. Participants can choose to tackle three, four, or all five events.

The Timberview Trail Run returns for its seventh year at Lory State Park. Choose from scenic 5K, 5-mile, or 10-mile trail courses with views of Horsetooth Reservoir. Participants receive a shirt, finisher medal, and post-race refreshments.

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.

Kick off Independence Day with a 5k run/walk in Winter Park, Colorado. The scenic route travels along the Fraser River Trail and finishes at the Rendezvous Event Center for a post-race party.

Experience a mountain run to the summit of an 10,839 foot former volcano. This 8 mile out and back course features 2200 feet of climbing and panoramic views from a historic fire lookout tower.

Celebrate 50 years of history at the Vail HillClimb, a 12.2 km mountain race gaining over 2,000 feet of elevation. Run from Vail Village to the scenic Mid-Vail finish line for incredible views and commemorative awards.

Run through Aspen trees and wildflowers on the scenic Spring Creek Trail in Steamboat Springs. Choose between a challenging 9.5 mile loop with significant elevation gain or a rolling 5k out and back course.

Experience high altitude trail running at 10,000 feet on the scenic Vail Mountain in Colorado. Choose between a 5K or 10K course featuring mountain views, wildflowers, and a unique gondola ride to the starting line.