Trail Running calendar near Breckenridge 2024-2025

The 16th Annual Backcountry Wilderness Half Marathon in Highlands Ranch is set to take place on November 2 at 9:00 am. The 13.1-mile trail race will traverse captivating landscapes, including the Douglas County East/West trail and the Backcountry Wilderness Area. Prize money will be awarded to the t..

The Lionshead Ruck will take place in Pine Junction Area on Saturday 9 November 2024.

The Canya Cañon Trail Race is an exciting running event held in North Cheyenne Cañon Park, featuring a scenic 4-mile course that ascends the Columbine Trail. Participants of all ages, including runners and hikers, are encouraged to join this community-focused event. Proceeds from the race support th..

The Reuter-Hess Trail Incline is a unique running event taking place in Parker, CO, featuring a challenging 10k course and a 1-mile kids race. The 10k course includes a lollipop loop with a mix of flat, rolling, and rocky terrain, culminating in a steep descent. A handicap starting system will be im..

The Mountain Peacock 50k is an inaugural ultra running event set in Golden, Colorado, designed for adventurers seeking a no-frills experience. Participants will tackle four peaks—South Table Mountain, North Table Mountain, Mount Galbraith, and Lookout Mountain—starting and ending at Parfet Park. Thi..

The Colorado Cold Rush Ultra is a unique winter running event held in Bear Creek Regional Park West, Colorado Springs, CO. Participants can choose from three distances: 50K, half marathon, and 10K. The course features historic High Drive and the scenic tunnels from the Colorado gold rush era, making..

The Thumbs Up Vertical Challenge is an exciting running event held in Estes Park, CO, where participants tackle the Thumb Open Space out and back trail. Runners will ascend the trail, collecting poker chips at the turnaround to deposit at the start, with the total chips counted at the end to determi..

The Sawmill Trail Runs, part of the Human Potential Running Series, is an annual trail running event held at Staunton State Park in Pine, Colorado. The 2024 edition will feature three race distances: 50k, 16-mile, and 8-mile, with a combined runner capacity of 200 participants. The event, which bega..

The Santa's Summit Slam will take place in Estes Park on Saturday 14 December 2024. You can run 5 miles.

The Stories Trail Runs is an annual winter trail running event held in Colorado Springs, CO, featuring a stunning backdrop of Cheyenne Mountain and Pike’s Peak. Participants can choose from various timed events, including 15-hour, 30-hour, and 6-hour challenges, as well as shorter distances like a 1..

The Winter's End Snowshoe Races will take place in Granby on Saturday 8 March 2025. You can run between 8 and 26 miles.

The 20th Annual Run Through Time Trail Marathon and Half Marathon will take place in Salida, Colorado, featuring a marathon, half marathon, and a 2-mile run. The event showcases scenic and challenging courses on dirt roads and narrow single tracks, with elevations ranging from 7,000 to 9,000 feet. P..

Take 5 in the Garden is a running event held in the stunning Garden of the Gods in Colorado Springs, CO. Participants can choose between a 5K or a 5-mile course, with options for both road and trail races. The event features closed roads, allowing runners to enjoy a traffic-free experience amidst br..

The Greenland Trail Races, held annually in May at the Greenland Open Space in Larkspur, Colorado, offers participants a choice of four distances: 4M, 8M, 25K, and the 50K, which is recognized as Colorado's fastest 50K. The event features a scenic course that traverses diverse landscapes, including ..

The Collegiate Peaks Trail Run, established in 1991, is a challenging running event held in Buena Vista, Colorado, featuring two distance options: 25 miles and 50 miles. The race begins and ends near the Arkansas River, primarily utilizing single-track and jeep trails that follow the historic Midlan..

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

The Endure Trail Runs, hosted by the Human Potential Running Series, takes place at Mueller State Park in Divide, Colorado, from May 17 to May 18, 2025. This unique event features a variety of races, including a 10k, Half Marathon, and timed challenges of 12 and 24 hours. Participants in the 12-Hour..

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 distances: 10K, 27K, and 55K, featuring a challenging course with a King of the Mountain segment. The eve..

The Ol' College Try 24 Hour Ultra is Denver's inaugural 24-hour ultra race, taking place at Auraria Campus on May 24-25, 2025. Hosted by Rise Again Running Events in collaboration with Tall Tales Ranch, this event invites runners of all levels to challenge themselves in a non-stop race environment. ..

The Spirit Trail Race is an exciting running event held in Buena Vista, Colorado, during Memorial Day Weekend. Participants can choose from various race distances, including a marathon, half-marathon, and 9k. The race promotes community engagement by donating proceeds to local organizations such as ..