Trail Running calendar near Littleton 2025-2026

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 is a unique winter trail running event held at Cheyenne Mountain State Park in Colorado Springs, CO. Scheduled for February 15-16, 2025, it features a variety of races including a 10k, Half Marathon, and timed events of 6, 15, and 30 hours. Participants will navigate multiple..

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. Scheduled for March 8, 2025, the event features multiple race distances, including a 2-mile "Fun Run," an 8-mile, a 16-mile, and..

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, offers a variety of running events including a 5K, 10K, half marathon, and a Kids Fun Run. Scheduled for April 19, 2025, this event celebrates Northern Colorado's newest trail, connecting Windsor, Severance, and Eaton. Participants c..

The Rock Hawk Trail Races, scheduled for April 19, 2025, in Castle Rock, Colorado, offers a thrilling experience for both novice and experienced trail runners. Participants can choose from four distances: 50K, 25K, 10K, and 5K, all set against the stunning backdrop of Miller Park and Ridgeline Trail..

The Cheyenne Mountain Trail Race, taking place in Colorado Springs, 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. The..

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 miles, 8 miles, 25K, and 50K. This event is known for its scenic trails with views of Pikes Peak, making it a popular choice for both novice and experienced runners. Par..

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's-focused running event held in Cheyenne Mountain State Park, Colorado Springs. Participants can choose from various distances, including 4 miles, 30K, marathon, and up to 50K. The race features a scenic course that begins on crushed limestone and transitions to si..

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. Participants can choose from three race distances: 10K, 27K, and 55K, featuring a challenging course with significant elevation gain, partic..

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..

The Weld Your Mettle Running Festival is a four-day event taking place in Eaton, Colorado, from May 23 to May 26, 2025. This festival features a variety of running events, including solo and relay formats ranging from 3 to 48 hours, as well as a 7K run and ruck. Participants can enjoy a unique exper..