Trail Running Calendar Colorado 2024-2025

The Rio Frio 5k on Ice is a unique running event taking place in Alamosa, Colorado, on January 25, 2025. This race is notable for being held entirely on the frozen Rio Grande, offering participants a chance to run on ice while enjoying stunning views of the surrounding mountains. The event features ..

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. Participants can choose from various challenges, including 3, 6, 12, and 24-hour races, running a marked 7.1-mile loop with significant elevation gain..

The Stories Trail Runs is a unique winter trail running event held at Cheyenne Mountain State Park in Colorado Springs, CO. Scheduled for February 15-16, 2025, it features a variety of races including a 10k, Half Marathon, and timed events of 6, 15, and 30 hours. Participants will navigate multiple ..

The Gothic Mountain Tour is a scenic running event held in Crested Butte, Colorado, featuring two courses: a 23.5-mile competitive race and a 17.85-mile recreational race. This unique and challenging event offers participants the opportunity to circumnavigate the stunning Gothic Mountain. Scheduled ..

The Pine Needle Langlauf Nordic Ski Race is a premier freestyle skiing event held in Durango, Colorado, featuring a variety of race distances including 30K, 20K, 10K, 4K, and 2K. This challenging race showcases stunning mountain views, steep climbs, and exhilarating descents, making it a highlight o..

The Winter's End Snowshoe Races is an exciting winter running event scheduled for March 8, 2025, at Granby Ranch Resort in Granby, Colorado. This event welcomes participants of all skill levels, offering a unique opportunity to experience the stunning snow-covered landscape while staying active. Run..

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 showcases scenic and challenging courses on dirt roads and narrow single tracks, with elevations ranging from 7,000 to 9,000 feet. P..

Lucky Lyons is a St. Patrick’s Day running event featuring 5K and 10K races set in the scenic paths of Lyons, Colorado. Scheduled for March 8, 2025, participants are encouraged to wear their best green attire to celebrate the occasion.The courses include a mix of paved, gravel, and dirt paths, provi..

Run The Ranch is an exciting trail running event taking place at Sylvan Dale Guest Ranch in Loveland, Colorado. Scheduled for April 4-5, 2025, participants can choose from various distances, including a 5K, 10K, and multiple timed trail runs ranging from 4 to 12 hours, with options for solo and rela..

The Desert RATS Trail Running Festival by UTMB offers an exciting weekend of trail running in the stunning landscapes of Fruita, Colorado. With four unique race distances, participants can choose from 100K, 50K, 21K, and 10K, catering to both novice and experienced runners. The festival spans three ..

The Rattler Trail Race, taking place in Colorado Springs, features three race distances: 50K, 25K, and 10K. Set in the scenic Palmer Park, participants can enjoy stunning views of the city and Pikes Peak while navigating the challenging trails. This event highlights the beauty of the local trail sys..

The Rock Hawk Trail Races, part of the Bear Chase Race Series, take place at Phillip S. Miller Park in Castle Rock, Colorado. This event features multiple race distances, including 50K, 25K, 10K, and 5K, catering to both novice and experienced trail runners.The scenic trails offer a thrilling experi..

The Royal Gorge Groove is an exciting trail running event taking place in Cañon City, Colorado, on April 26, 2025. Participants can choose from various distances, including 50K, 30K, 20K, 12.5K, 5K, and a Kids Run, all starting and finishing at the scenic Royal Gorge Ranch & Resort. Runners will exp..

The Cheyenne Mountain Trail Race, taking place in Colorado Springs, CO, features multiple race distances including 50K, 25K, 7 Miler, and 4 Miler. Set against the stunning backdrop of Cheyenne Mountain State Park, participants will navigate scenic trails that include grassy meadows and wooded areas...

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 competitive and recreational runner..

Take 5 in the Garden is an exciting running event held in the scenic Garden of the Gods, Colorado Springs, CO. Participants can choose from a 5K, a 5 Mile course, or a new 5 Mile Trail Race, all set against the backdrop of stunning natural beauty. The event features closed roads, ensuring a safe and..

The Collegiate Peaks Trail Run, celebrating its 35th anniversary, 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-track and je..

The Valkyrie Trail Race is a women-only trail and ultra running event set in the scenic Cheyenne Mountain State Park in Colorado Springs. Participants can choose from various distances, including 50K, Marathon, 30K, Half Marathon, 8 Miler, and 4 Miler, making it accessible for runners of all levels...

The Mountain Ridge Trail Race, taking place on May 10, 2025, in Highlands Ranch, Colorado, offers a variety of distances for trail running enthusiasts, including a 21-mile, half marathon, 10K, and 5K. Celebrating its 11th year, the race features scenic dirt and single-track trails with manageable el..