Nedned Trail Fest

The Dirt Circus Boulder is a free community event organized by UltraSignup to celebrate local races and race directors in Boulder, Colorado. The one-day festival includes a social run with options for a 5K route or a longer distance, food, raffles with prizes, brand expos, and social connections. Th..

Participants can join the 12th Annual Race Standley Lake event in Westminster on August 24, 2024, offering 13.1, 10K, and 5K distances suitable for competitive, intermediate, or novice runners. The course features a mix of packed dirt trails, single track, and some minimal bike path, with stunning l..

The Calarat Challenge Trail Running Festival takes place over Labor Day weekend and offers a variety of trail running events, including a 1/2 marathon, 10K, 5K, and Kids 1K. The races start and finish at the Cal-Wood Education Center, running through the beautiful private properties of Cal-Wood and ..

The American Heroes Run is a special event held on a beautiful, flat, fast 1.05-mile loop course in Longmont, CO. Participants will receive a high-quality race shirt, and finishers will get a unique event coin. The 100-mile finishers will receive an attractive belt buckle. The event honors the heroe..

The Devil on the Divide trail run takes place on Saturday, September 7, 2024, in Empire, Colorado. Participants can choose between a challenging 50K course with over 6,500 feet of climbing and a 22K course with 3,400 feet of elevation gain. The race offers breathtaking views of Clear Creek County an..

The 12th annual Snow Mountain Ranch Trail Running Festival will take place on September 21, 2024, at the YMCA of the Rockies in Granby, CO. The event offers 4 races - Half Marathon, 10K, 5K, and 50K, with the option to participate in the Moosehead Challenge or Baby Moose Challenge by completing mult..