Trail Running calendar near Lakewood 2025-2026

The Indian Creek Trail Runs, part of the Human Potential Running Series, is a celebrated annual event known as the "Fall Classic." Scheduled for October 18, 2025, it features multiple race distances including 50-Mile, 55k, 15-Mile, and 5-Mile options. Set in the picturesque Indian Creek Campground n..

The HRCA Backcountry Wilderness Half Marathon is an annual trail race held in Highlands Ranch, Colorado, featuring a challenging 13.1-mile course through scenic landscapes. Participants will navigate dirt, gravel, and singletrack paths, with opportunities to encounter local wildlife and enjoy stunni..

The Bingo! Trail Party is a unique running event organized by the Human Potential Running Series, set to take place at May Farms in Byers, Colorado. This fourth annual event encourages runners of all abilities to participate in a fun and community-oriented atmosphere. Participants run loops on a mos..

The Louisville Trail Race, celebrating its 12th year, features a Half Marathon, 10K, and 5K, set against the stunning backdrop of Louisville, Colorado. Known for its scenic trails and welcoming atmosphere, the race offers a mostly flat course with a challenging hill that rewards runners with breatht..

The Sawmill Trail Runs is an annual trail running event held at Staunton State Park in Pine, Colorado. Established in 2013 and officially recognized since 2017, the event features three distance options: a 50k, a 16-mile, and an 8-mile race. With a runner capacity of 250, the event emphasizes commun..