Trail Running calendar near Eaton 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 Great Western Trail Race is a running event taking place in Severance, Colorado, celebrating the region's newest trail that connects Windsor, Severance, and Eaton. Participants can choose from various distances, including a 5k, 10k, half marathon, and a Kids Fun Run. The event promises a festive..

Niwot's Challenge is a challenging ultramarathon held annually in Colorado's Front Range, designed for experienced runners. Modeled after the Barkley Marathons, this grassroots event features a secretive course that requires participants to navigate primarily off-trail using a map and compass. With ..

The Mountain Ridge Trail Race, taking place in Highlands Ranch, Colorado, offers a variety of distances including a 21-mile, half-marathon, 10K, and 5K, all set against the stunning backdrop of the front range. The event features 100% dirt and single-track trails, providing a mix of manageable eleva..

The Quad Rock 50 and 25 Mile Trail Races, organized by Gnar Runners, will take place on May 10, 2025, in Lory State Park and Horsetooth Mountain Park, near Fort Collins, Colorado. This challenging event features two distances: a 50-mile race with over 11,000 feet of vertical gain and a 25-mile race ..

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 Weld Your Mettle Running Festival is a vibrant event taking place over a weekend in May 2025 in Eaton, Colorado. It features a variety of running challenges, including timed relays (3, 6, 9, 12, and 24 hours), a 7K Ruck, and a 1 Mile Kids Fun Run. Participants can enjoy camping options, includin..

The Ol' College Try 24 Hour Ultra is Denver's inaugural 24-hour ultra race, organized by Rise Again Running Events in collaboration with Tall Tales Ranch. Scheduled for May 24-25, 2025, at Auraria Campus, this event invites runners of all abilities to challenge themselves and achieve personal bests ..

The Crazy Legs 10k+ Trail Run is set to take place at Devil’s Backbone Open Space in Loveland, Colorado, on June 1, 2025. This event features a challenging trail course marked by flour arrows, with a water stop available for participants. Runners will receive a unique hat and will be timed using a t..

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 Barr Lake Trail Race, held at Barr Lake State Park in Brighton, Colorado, is a popular running event celebrating its sixth year. Participants can choose from various distances, including 50K, 30K, half marathon, 15K, and 5K, all featuring a flat and fast course with minimal elevation gain. The s..

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..

Chase the Moon is an exciting 12-hour endurance running event held in the Highlands Ranch Backcountry trail system. Participants can choose to run solo or form teams of three or five for a relay. The race takes place overnight, starting at sunset and continuing under the full moon, offering stunning..

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, taking place from August 5 to August 26, 2025, offers a series of midweek trail races at Lory State Park in Fort Collins, Colorado. Participants can choose from distances of 5K, 10K, and 12K, designed to cater to both novice and experienced runners. The event aims to cr..

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..