Crazy Legs Trail Run

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 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..

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..