Trail Running calendar near Jackson County 2024-2025

The Twin Mountain Trudge is a challenging winter running event taking place in Laramie, WY, on January 11, 2025. Participants can choose between a Single Loop 'Classic' race of approximately 10.2 miles and a Double Loop 'Marathon' race of about 20.5 miles. The course features hilly terrain, deep sno..

The Winter's End Snowshoe Races is an exciting winter running event held at Granby Ranch Resort in Granby, Colorado. Scheduled for March 8, 2025, the event features various race options, including a "Fun Run" 2-Mile, 8-Mile Snowshoe, 16-Mile Snowshoe, and a Marathon Snowshoe. Open to participants of..

Lucky Lyons is a St. Patrick’s Day running event featuring 5K and 10K races set in the scenic paths of Lyons, Colorado. Scheduled for March 8, 2025, participants are encouraged to wear their best green attire to celebrate the occasion.The courses include a mix of paved, gravel, and dirt paths, provi..

Run The Ranch is an exciting trail running event taking place at Sylvan Dale Guest Ranch in Loveland, Colorado. Scheduled for April 4-5, 2025, participants can choose from various distances, including a 5K, 10K, and multiple timed trail runs ranging from 4 to 12 hours, with options for solo and rela..

The Quad Rock 50 and 25 mile trail races, organized by Gnar Runners, will take place in Lory State Park and Horsetooth Mountain Park near Fort Collins, Colorado. This event offers participants a challenging course with stunning views of the Rocky Mountains and the Great Plains. The 50-mile race feat..

Samson's Revenge is a trail running event held at the YMCA of the Rockies in Estes Park, Colorado, honoring the legacy of Samson, a famous elk poached in 1995. Participants can choose from three race distances: 10K, 27K, and 55K, featuring a challenging course with significant elevation gain, partic..

The Crazy Legs 10k+ Trail Run is an exciting running event taking place at Devil’s Backbone Open Space in Loveland, Colorado. Scheduled for June 1, 2025, this trail run features a challenging course marked by flour arrows, with water stops provided along the way. Participants can enjoy a unique expe..

The Broken Brain Backyard is a unique running event taking place in Craig, CO, aimed at raising funds for Parkinson’s, ALS, and Alzheimer’s research. Participants can choose between the Backyard Ultra, where competitors run a 4.167-mile loop every hour until only one remains, or the more relaxed Cit..

The Summits Trail Runs, hosted at Granby Ranch Resort in Colorado, is an exciting trail running event featuring various distances, including ultra options. Participants can choose from the Quad (43 miles), Triple (27 miles), Double (21 miles), and Single (6 miles) runs, all set against the stunning ..

The Howelsen Hill Trail Run is an exciting trail running event set in the scenic surroundings of Howelsen Hill in Steamboat Springs, Colorado. Participants can choose between two distances: an 8-mile and a 4-mile run, both of which traverse beautiful single-track trails adorned with aspen trees and ..

Estes Park's Backyard Ultra is a unique ultra-running event set against the stunning backdrop of Lake Estes, Colorado. Participants must complete a 4.252-mile loop every hour until only one runner remains, who is declared the winner. This format emphasizes endurance and strategy, as there is no pred..

The Timberview Trail Run is an exciting annual event held at Lory State Park in Colorado, featuring three race distances: a 10-mile, a 5-mile, and a 5K trail run. Scheduled for June 28, 2025, this event welcomes participants of all ages and skill levels, making it ideal for beginners and seasoned ru..

The Hahns Peak Vertical Trail Race is an exhilarating 8-mile out-and-back trail run set in Clark, Colorado. Participants will ascend 4 miles to the summit of Hahns Peak, reaching a historic fire lookout tower built in 1912, before returning to the starting point. The course features a challenging mi..

The Spring Creek Memorial Trail Run is a scenic running event held in Steamboat Springs, Colorado, featuring a 9.5-mile loop and a 5K course. The race honors Patty Brenner Hagberg, who tragically lost her life on the trail in 1991, emphasizing the importance of sharing multi-purpose trails. Particip..

The Never Summer 100Km and 60Km races are set to take place from July 25-27, 2025, in the stunning landscapes of State Forest State Park, Colorado. Participants can choose between a challenging 100Km course with approximately 14,450 feet of elevation gain or a 60Km option with around 8,850 feet of e..

The Summit 200 is an extraordinary 200-mile mountain race set in Summit County, Colorado, featuring a challenging loop that showcases stunning hiking trails, forest roads, and scenic views. Participants will experience significant elevation changes, with the lowest point over 9,000 feet and sections..

The Boulder Rez Marathon is a scenic running event held at the Boulder Reservoir in Boulder, Colorado. Scheduled for August 2, 2025, the marathon features a flat course primarily on dirt roads and trails, offering stunning views of the reservoir and the Rocky Mountains. Participants can choose from ..

The Lory Summer Trail Series will take place in Bellvue from Tuesday 5 August 2025 to Monday 25 August 2025. You can run between 5 and 12 kilometers.

The Eltuck Valley 5K is a part of a fun summer trail race series held at Lory State Park in Bellvue, Colorado. This event is designed for both novice and experienced runners, offering a flat and fast course that serves as the first race in the series. Participants can enjoy a friendly atmosphere, wi..

The Med Bow Rail Marathon and Half Marathon, organized by the Friends of the Medicine Bow Rail Trail, will take place on August 9, 2025. This event features a marathon course that spans the scenic Medicine Bow Rail Trail, averaging an elevation of 8,926 feet, and briefly crosses into Colorado. The h..