Trail Running calendar near Larkspur 2025-2026

The Great Trailhead Foot Race features both a 10-mile and a 5-mile race, set against the scenic backdrop of Bear Creek Lake Park in Lakewood, Colorado. Participants can enjoy a mix of single-track and dirt trails while racing. Registration includes park admission, a post-race party with complimentar..

The Indian Creek Trail Runs, organized by the Human Potential Running Series, is a celebrated annual event taking place at Indian Creek Campground in Sedalia, Colorado. Known as the "Fall Classic," this race showcases some of the finest single-track trails in the Denver Metro area, allowing particip..

The Bobcat Trail Race, held in Palmer Park, Colorado Springs, offers a series of challenging trail runs, including a 50K, 25K, 10K, and 5K. The event showcases the park’s scenic beauty, with views of Pikes Peak and diverse terrain ranging from technical single-tracks to rocky bluffs. Participants ca..

The Beware The Bear Trail Races, held at Bear Creek Lake Park in Lakewood, CO, offers a variety of race options including a 5km, 15km, and a kids' 1km run. The courses feature mostly dirt trails with a mix of steep hills and rolling terrain, making it suitable for both beginners and experienced trai..

The Bridge Burner Ultra is an exciting running event taking place in Canon City, Colorado, featuring a scenic 35-mile loop that showcases the stunning landscapes along the Arkansas River and through historic Tunnel Drive. Participants will ascend to 7,109 feet, enjoying breathtaking views of the Roy..

The Bingo! Trail Party is an annual trail running event held at May Farms in Byers, Colorado, organized by the Human Potential Running Series. It features multiple race levels, ranging from 6 to 62 miles, with participants running loops on scenic, mostly flat trails and farm roads. The unique format..

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

The Louisville Trail Race is an annual event held in Louisville, Colorado, featuring a half-marathon, 10K, and 5K trail runs. Celebrating its 12th year, the race showcases scenic trails with views of the Flat Irons and the front range mountains. The courses are primarily dirt trails, with the half-m..

The Colorado Cold Rush Ultra is a unique winter running event held in Colorado Springs, featuring a scenic course that includes historic High Drive and the tunnels from the Colorado gold rush era. Participants can choose from three distances: a 50k, half marathon, and 10k, all set against the stunni..

The Sawmill Trail Runs, part of the Human Potential Running Series, is an annual trail running event held at Staunton State Park in Pine, Colorado. The event features three distance options: a 50k, a 16-mile, and an 8-mile race, catering to various skill levels. With a runner capacity of 250, the ev..

The Stories Trail Runs is an annual winter trail running event held in Colorado Springs, CO, featuring a stunning backdrop of Cheyenne Mountain and Pike’s Peak. Participants can choose from various timed events, including 15-hour, 30-hour, and 6-hour challenges, as well as shorter distances like a 1..

The 21st Annual Run Through Time Trail Marathon and Half Marathon is a scenic and challenging race held in Salida, Colorado. Participants run on dirt roads and narrow single-track trails with stunning views of the Arkansas Valley. The courses, set on public lands and local roads, feature elevations..