Trail Running calendar near Byers 2024-2025

The Great Divide Ultra is a premier trail running event held in Divide, Colorado, featuring a variety of distances including 100 miles, 100k, 50k, and 25k. Set against the stunning backdrop of Mueller State Park, participants can enjoy smooth single and double-track trails amidst picturesque meadows..

The Barr Lake Trail Race, taking place in Brighton, Colorado, is a celebrated running event now in its sixth year. It features a flat and fast course with minimal elevation gain, making it ideal for both seasoned runners aiming for personal records and newcomers to trail running. Participants can ch..

The Chase the Moon will take place in Highlands Ranch from Friday 11 July 2025 to Saturday 12 July 2025. You can run between 3 and 12 hours.

The Pikes Peak Ultra is an exciting running event designed to highlight the stunning trails of Colorado Springs. Participants can choose from various distances, including 20K, 30K, 50K, and 50 miles, with the course starting at Bear Creek Regional Park. Runners will traverse scenic routes, including..

The Elevation Run/Walk is a community-focused event taking place in Conifer, Colorado, on July 26, 2025. This annual race features multiple distances, including 10 miles, 5 miles, and a 2-mile fun run, showcasing the scenic trails and neighborhoods of Conifer at an average elevation of 8,200 feet. P..

The Boulder Rez Marathon is a scenic running event held at the Boulder Reservoir in Boulder, Colorado. Participants can choose from various distances, including a marathon, half marathon, 3/4 marathon, and 10K, all set along dirt roads and trails with stunning views of the reservoir and Rocky Mounta..

The Holy COW Trail Stampede is an exciting running event held in Westminster, Colorado, featuring a 10-mile race and a 5k/10k option. Participants can enjoy a fun and festive atmosphere while supporting the charity partner, Growing Home, which focuses on breaking the cycle of poverty for families in..

The Westminster Night Trail, celebrating its 12th year, invites runners to experience a unique nighttime race around Standley Lake in Westminster, CO. Participants can choose from various distances, including 50K, 35K, Half Marathon, 10K, and 5K, all set on scenic packed dirt trails. The event promi..

The Front Range Ultra Dayze is an exciting ultra-running event taking place in Loveland, Colorado, from August 28 to September 1, 2025. This festival features a variety of ultra-distance races, including 200-mile, 100-mile, and timed events ranging from 12 to 100 hours. Participants can camp for fre..

The HRCA Wildcat Mountain Trail Races, scheduled for September 6, 2025, in Littleton, Colorado, features a variety of events including a 10-mile race, a 10K, and a Kid's Race. The races take place on scenic dirt trails within the HRCA Backcountry Wilderness Area, offering participants stunning mount..

The Pikes Peak Ascent and Marathon, established in 1956, is renowned as America's ultimate challenge, featuring the oldest continually held marathon in the U.S. The marathon covers a grueling 26.2 miles from Manitou Springs to the summit of Pikes Peak, ascending approximately 7,800 vertical feet. Th..

The 24 Hours of Palmer Lake is an endurance running event set in the scenic mountains of Palmer Lake, Colorado. Participants tackle a 0.82-mile loop course at an elevation of 7,240 feet, pushing their mental and physical limits over a full 24 hours. The event emphasizes community spirit and personal..

The Bear Chase Race Endurance Festival, taking place at Bear Creek Lake Park in Lakewood, CO, features a variety of race distances including 100K, 50 Mile, 50K, Half Marathon, 10K, and 5K. This event is ideal for both novice and experienced trail runners, offering a mix of challenging terrain and st..

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: 50-Mile, 55k, 15-Mile, and 5-Mile, all set in the scenic landscapes of Sedalia, Colorado. Participan..

The Great Trailhead Foot Race 10 Miler is an exciting running event held at Bear Creek Lake Park in Lakewood, Colorado. Participants can enjoy a scenic 10-mile course featuring single-track and dirt trails, all while taking in views of Denver's skyline. The event includes a post-race celebration wit..

The BINGO! Trail Party is a unique running event organized by the Human Potential Running Series, taking place at May Farms in Byers, Colorado. This event features multiple distance levels, ranging from 6 to 54 miles, allowing participants of all abilities to enjoy trail running in a fun and relaxed..

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 participants with br..