Trail Running calendar near Centennial 2025-2026

The Big Brrrrito event offers participants the choice of running 5 miles, 10 miles, or 15 miles through the scenic trails of Chatfield State Park in Colorado. Organized by the Roxborough Running Club, this running event is set to take place on January 25, 2025. Registration for the event will close ..

The Running Up for Air - Staunton Rocks is an endurance running event taking place at Staunton State Park in Pine, Colorado, on February 14-15, 2025. Participants can choose from various challenges, including 3, 6, 12, and 24-hour races, running a marked 7.1-mile loop with significant elevation gain..

The Stories Trail Runs, part of the Human Potential Running Series, is an exciting winter trail running event set in Colorado Springs, CO, at Cheyenne Mountain State Park. Scheduled for February 15-16, 2025, the event features a variety of races, including a 10k, Half Marathon, and timed ultra event..

The Winter's End Snowshoe Races, hosted by the Human Potential Running Series, is an exciting winter running event taking place at Granby Ranch Resort in Granby, Colorado. This event features various race distances, including a "Fun Run" 2-Mile, 8-Mile Snowshoe, 16-Mile Snowshoe, and a Marathon Snow..

Lucky Lyons is a festive running event held in Lyons, Colorado, featuring 5K and 10K races to kick off St. Patrick's Day celebrations. Participants are encouraged to wear their best green attire as they navigate scenic courses that include paved, gravel, and dirt paths.The event supports the Lyons C..

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 runners ..

The Rattler Trail Race, taking place in Colorado Springs, features three race distances: 50K, 25K, and 10K. Set in the scenic Palmer Park, participants will experience breathtaking views of the city and Pikes Peak while navigating technical trails with unique rock formations. The course is designed ..

The Great Western Trail Race, taking place in Severance, Colorado, celebrates the region's newest trail connecting Windsor, Severance, and Eaton. Participants can choose from various events, including a 5k, 10k, half marathon, and a Kids Fun Run. The race features a mostly flat and fast course with ..

The Rock Hawk Trail Races, part of the Bear Chase Race Series, take place on April 19, 2025, at Phillip S. Miller Park in Castle Rock, Colorado. This event features multiple race distances, including 50K, 25K, 10K, and 5K, catering to both novice and experienced trail runners.The scenic trails offer..

The Cheyenne Mountain Trail Race, taking place in Colorado Springs, CO, features multiple race distances including 50K, 25K, 7 Miler, and 4 Miler. Set against the stunning backdrop of Cheyenne Mountain State Park, participants will navigate scenic trails that include grassy meadows and wooded areas...

Take 5 in the Garden is a unique running event held in the scenic Garden of the Gods in Colorado Springs, CO. Participants can choose between various race options, including a road race, a trail race, and a 9.5-mile course, all set against the stunning backdrop of iconic rock formations and Pikes Pe..

The Falcon 50 is an annual race series held on May 3, 2025, at the USAF Academy in Colorado Springs, CO. Participants can choose from five race options: 50 Miler, Marathon, Military Heavy, Half Marathon, and Military Half-Heavy. The scenic course features challenging terrain primarily on dirt trails..

The Greenland Trail Races, held annually in May at the Greenland Open Space in Larkspur, Colorado, features four race distances: 4 Mile, 8 Mile, 25K, and the 50K ultramarathon, which is recognized as Colorado's fastest 50K. Participants enjoy a scenic course with views of Pikes Peak, running on soft..

The Mountain Ridge Trail Race, taking place on May 10, 2025, in Highlands Ranch, Colorado, offers a variety of distance options for trail running enthusiasts, including a 21-mile, half marathon, 10K, and 5K. The event features scenic dirt and single-track trails that showcase the stunning landscapes..

The Valkyrie Trail Race is a women-only trail and ultra running event set in the scenic Cheyenne Mountain State Park in Colorado Springs, CO. Participants can choose from various distances, including 50K, Marathon, 30K, Half Marathon, 8 Miler, and 4 Miler, making it accessible for runners of all lev..

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 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 elevation 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. The race features three distances: 10K, 27K, and 55K, with a challenging course that includes a significant ascent known as the King of the ..

The Ram Party Trail Runs is an exciting trail running event taking place at the Buffalo Lodge Bicycle Resort in Colorado Springs, CO. Scheduled for May 17, 2025, participants can choose from various distances, including 55 miles, 60K, 50K, 24K, and 15K, all set against the stunning backdrop of Rampa..

The Endure Trail Runs, organized by the Human Potential Running Series, takes place at Mueller State Park in Divide, Colorado. 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 and 24-Hour events will d..