Trail Running calendar near Leadville 2024-2025

The Mountain Peacock 50k is an exciting ultra running event taking place in Golden, Colorado, where participants will conquer four peaks in one day. This inaugural event emphasizes a no-frills approach, focusing on the essence of trail running without expensive fees or elaborate aid stations. Runner..

The Sawmill Trail Runs, organized by the Human Potential Running Series, is set to take place at Staunton State Park in Pine, Colorado. This annual event, which began in 2013, features three distance options: 8-Mile, 16-Mile, and 50k. The park offers a stunning backdrop with diverse landscapes, incl..

The 12 Hours of Sunlight is an exciting running event taking place in Glenwood Springs, Colorado. Participants can choose to compete individually or as part of a team, with options for teams of two or four. This endurance race challenges runners to cover as much distance as possible within a 12-hour..

The Running Up for Air - Staunton Rocks is an endurance running event taking place at Staunton State Park in Pine, Colorado, on February 14-15, 2025. This event features various challenges, including 3, 6, 12, and 24-hour races, encouraging participants to run a marked 7.1-mile loop. The event aims ..

The Winter's End Snowshoe Races, hosted at Granby Ranch Resort in Granby, CO, is an exciting winter sports event designed for runners of all skill levels. Scheduled for March 8, 2025, the event features multiple race distances, including a marathon, 16-mile, 8-mile, and a 2-mile fun run. Participant..

The 20th Annual Run Through Time Trail Marathon and Half Marathon will take place in Salida, Colorado, featuring a marathon, half marathon, and a 2-mile run. The event is set against the stunning backdrop of the Arkansas Valley, with courses that include dirt roads and narrow, hilly trails at elevat..

The Rock Hawk Trail Races, part of the Bear Chase Race Series, take place in Castle Rock, Colorado, featuring distances of 50K, 25K, 10K, and 5K. Set against the scenic backdrop of Miller Park and Ridgeline Trail systems, the event offers a thrilling experience for both novice and experienced trail ..

The Greenland Trail Races, held annually in May at the Greenland Open Space in Larkspur, Colorado, features four race distances: 4 miles, 8 miles, 25K, and 50K. This event is known for its scenic trails with views of Pikes Peak, making it a popular choice for both novice and experienced runners. Par..

The Collegiate Peaks Trail Run, celebrating its 35th anniversary in 2025, is a renowned trail running event held in Buena Vista, Colorado. Participants can choose between two challenging distances: 25 miles and 50 miles. Established in 1991, the race features a scenic course that follows single-trac..

The Mountain Ridge Trail Race, celebrating its 11th year, offers a variety of distances including a 5K, 10K, Half Marathon, and 21-Mile race, all set in the scenic Highlands Ranch, Colorado. Participants will enjoy 100% dirt and single-track trails with manageable elevation gains, showcasing the stu..

Niwot's Challenge is a challenging ultramarathon held annually in Colorado's Front Range, designed for experienced runners. Modeled after the Barkley Marathons, this grassroots event features a secretive course that requires participants to navigate using a map and compass, with limited aid availabl..

The Endure Trail Runs, hosted by the Human Potential Running Series, takes place at Mueller State Park in Divide, Colorado. This unique event features a variety of races, including a 10k, Half Marathon, and timed challenges of 12 and 24 hours. Participants in the 12-Hour event will draw colored ball..

The Ol' College Try 24 Hour Ultra is Denver's inaugural 24-hour ultra race, taking place at Auraria Campus on May 24-25, 2025. Organized by Rise Again Running Events in collaboration with Tall Tales Ranch, this event invites runners of all levels to challenge themselves in a non-stop race environmen..

The Spirit Trail Race is an exciting running event held in Buena Vista, Colorado, during Memorial Day Weekend. Participants can choose from various race distances, including a marathon, half-marathon, and 9k. The race promotes community engagement by donating proceeds to local organizations such as ..

The North Fork 50 Mile/50K is an ultramarathon set in the scenic Colorado mountains near Denver, taking place on May 31, 2025. This event features a challenging course that is entirely on soft surfaces, primarily singletrack trails, with some double track sections. Runners will experience diverse la..

The Great Divide Ultra is a premier trail running event held in Divide, Colorado, featuring a variety of race distances including 100 miles, 100K, 50K, and 25K, taking place on June 7-8, 2025. Set in the scenic Mueller State Park, participants will experience beautiful rolling meadows and stunning v..

The Leadville Trail Marathon and Heavy Half is a challenging running event set in the historic mining district of Leadville, Colorado. Participants can choose between a 26.4-mile marathon or a 15.4-mile Heavy Half, both featuring rugged trails and high-altitude terrain, with the marathon reaching an..

The Vail Hillclimb will take place in Vail on Saturday 5 July 2025.

The Alma Foundation Race in the Clouds Dirt Festival is an exciting outdoor event taking place in Alma, Colorado, from July 10 to July 13, 2025. Set at an elevation of 10,600 feet, the festival features a variety of activities including mountain bike racing, trail running, a free kids' bike race, an..

The Silverheels Trail Runs, part of the Human Potential Running Series, will take place on July 11-12, 2025, in Como, Colorado. This annual event features multiple race distances, including a 100-Mile, 100k, 50-Mile, 60k, 19-Mile, and 10-Mile, catering to a variety of runners. The courses, set at an..