Trail Running calendar near Winter Park 2025-2026

The Summits Trail Runs, hosted at Granby Ranch Resort in Colorado, is an exciting trail running event featuring various distances, including ultra options. Participants can choose from the Quad (43 miles), Triple (27 miles), Double (21 miles), and Single (6 miles) runs, all set against the stunning ..

The Barr Lake Trail Race, taking place in Brighton, Colorado, is a celebrated running event now in its sixth year. It features a variety of race distances including 50K, 30K, half marathon, 15K, and 5K, all set on one of Colorado's flattest and fastest courses with minimal elevation gain. Runners wi..

Estes Park's Backyard Ultra is a unique ultra-running event set against the stunning backdrop of Lake Estes, Colorado. Participants must complete a 4.252-mile loop every hour until only one runner remains, who is declared the winner. This format emphasizes endurance and strategy, as there is no pred..

The Howelsen Hill Trail Run is a challenging trail running event set in the scenic surroundings of Howelsen Hill in Steamboat Springs, Colorado. Participants can choose between two distances: an 8-mile and a 4-mile course, both featuring beautiful single-track trails adorned with aspen trees and wil..

The Midsummer Night's Run is an exciting 10K event held in Winter Park, CO, featuring a scenic course that includes gravel roads and trails with an elevation gain of approximately 570 feet. This race is part of the Peak to Peak Summer Showdown Race Series, allowing participants to compete in multipl..

The Timberview Trail Run is an exciting annual event held at Lory State Park in Colorado, featuring three race distances: a 10-mile, a 5-mile, and a 5K trail run. Scheduled for June 28, 2025, this event welcomes participants of all ages and skill levels, making it ideal for beginners and seasoned ru..

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 Mo..

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..

Chase the Moon is an exciting 12-hour endurance running event taking place in the Highlands Ranch Backcountry trail system. Participants can choose to run solo or form teams of three or five for a relay. The race begins at sunset and continues through the night, illuminated by the full moon, offerin..

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 range of runners. The course, set at an av..

The Leadville Silver Rush 50M is a challenging 50-mile trail run set against the stunning backdrop of the Rocky Mountains. Participants will navigate a course featuring significant elevation gain, technical climbs, and exhilarating descents, totaling approximately 8,000 feet of elevation gain. This ..

The Spring Creek Memorial Trail Run is a scenic running event held in Steamboat Springs, Colorado, featuring a 9.5-mile loop and a 5K course. The race takes place on the picturesque Spring Creek trail, surrounded by wildflowers and Aspen trees, and includes challenging terrain with significant eleva..

The Never Summer 100km and 60km races will take place from July 25-27, 2025, in the scenic State Forest State Park, Colorado. Participants can choose between a challenging 100km course with a total elevation gain of approximately 14,450 feet or a 60km course with about 8,850 feet of elevation gain. ..

The Summit 200 is an extraordinary 200-mile mountain race set in Summit County, Colorado, featuring a challenging loop that showcases stunning hiking trails, forest roads, and scenic views. Participants will experience significant elevation changes, with the lowest point over 9,000 feet and sections..

The Boulder Rez Marathon is a scenic running event held at the Boulder Reservoir in Boulder, Colorado. Scheduled for August 2, 2025, the marathon features a flat course primarily on dirt roads and trails, offering stunning views of the reservoir and the Rocky Mountains. Participants can choose from ..

The Emerald Mountain Epic is a premier running and mountain biking event held in Steamboat Springs, showcasing the area's stunning singletrack trails. This challenging race features various categories, including solo and duo mountain bike races, as well as trail running options such as a full marath..

The Sheep Mountain Ultras, part of the Human Potential Running Series, is an annual trail running event held in Fairplay, Colorado. Scheduled for August 2, 2025, it features three race distances: a challenging 50-mile, a 50k, and a half marathon, all set against the stunning backdrop of the South Pa..

The TransRockies Run is an exhilarating six-day stage race set in the stunning Colorado Rockies, covering a total distance of 120 miles. Scheduled for August 4-9, 2025, this event promises an unforgettable adventure for participants, combining the thrill of trail running with the camaraderie of a vi..

The Lory Summer Trail Series, taking place from August 5 to August 26, 2025, offers a series of midweek trail races at Lory State Park in Fort Collins, Colorado. Participants can choose from distances of 5K, 10K, and 12K, designed to cater to both novice and experienced runners. The event aims to cr..

The Eltuck Valley 5K is a part of a fun summer trail race series held at Lory State Park in Bellvue, Colorado. This event is designed for both novice and experienced runners, offering a flat and fast course that serves as the first race in the series. Participants can enjoy a friendly atmosphere, wi..