Trail Running Calendar Colorado 2024-2025

The Howelsen Hill Trail Run will take place in Steamboat Springs on Saturday 15 June 2024. You can run between 4 and 8 miles.

The Cuchara Trail Runs at Cuchara Mountain Park offer various distances including 5-Mile, 15-Mile, 60k, and 50-Mile races. The event takes place during the summer solstice weekend in the Spanish Peaks Country of Huerfano County, Colorado. Participants can expect a challenging trail running adventure..

Ring the Springs is an epic trail run event held at Rock Ledge Ranch at Garden of the Gods in Colorado Springs, offering distances of 100 miles, 100K, 50K, and 25K. The 100-miler course includes strenuous mountain climbing and a city-wide tour through the best parks and open spaces in the area, with..

The Dynafit Summer Solstice Trail Run is a popular race in the Vail Trail Running Series, taking place on June 22, 2024, at Beaver Creek, Colorado. The event offers both a 10K and 5K race, starting and finishing in front of the Beaver Creek Chophouse. Participants will enjoy stunning alpine views an..

The MOCO Trails Daze trail run offers three distances to choose from in Colorado's Great Northwest. The 30K race starts on Cedar Mountain and finishes at Loudy Simpson Park, while the 10K race takes place entirely on Cedar Mountain, and the 5K race starts and finishes at Loudy Simpson Park. Particip..

The San Juan Solstice 50 is a challenging 50-mile trail run taking place in Lake City, CO on June 22, 2024. The race has a capacity of 300 participants with a long waiting list. The event started in 1995 as the Lake City 50 and has evolved over the years to become a benefit run for Lake City EMTs. P..

The Sunset Trail Running Festival in Gold Hill, CO, offers a variety of trail races including a 28K, 12K, 5K, and Kids 1K, with varying registration fees and start times. The event takes place on June 23rd and benefits the Boulder Watershed Collective. Runners will experience scenic views of Boulder..

The Broken Brain Backyard Ultra and Citizen's Race is a fundraising event to support Parkinson's, ALS, and Alzheimer's research. The ultra event starts at 8:00 am with participants running a 4.167-mile loop every hour until only one person remains. The Citizen's Race starts at 8:15 am, allowing part..

The Methodist Mountain Ultra is a trail run event in Salida, CO, offering both 50k and 30k distances with generous time cutoffs. The race takes place on the Methodist Mountain trail system, featuring single track trails and significant elevation gains. Aid stations are available every 4-5 miles with..

The Timberview Trail Run is a popular trail race held at Lory State Park in Colorado. The event offers three distances - 10 miles, 5 miles, and a 5K, suitable for athletes of all levels and ages. Participants can enjoy scenic views of Horsetooth Reservoir, Fort Collins, and the foothills while runni..

The The John Cappis will take place in Silverton on Saturday 29 June 2024. You can run between 50 and 19 hours.

The Leadville Trail Marathon and Heavy Half is known as the nation's toughest and highest marathon, taking runners through challenging trails to Mosquito Pass at 13,185 feet. The event features a rolling start, chip timing, and various pace categories for both distances. The courses offer stunning v..

The Leadville Firecracker 5K is a Fourth of July event taking place in Leadville, CO, North America's highest incorporated city. Participants can walk or run the 5K course starting and finishing in downtown Leadville, above 10,000 feet. The event includes a Fourth of July parade and awards ceremony,..

The Hahn’s Peak Vertical Trail Race is an 8-mile trail run starting at the Quarry Lot north of Hahns Peak Village, CO. The course includes a challenging climb up to the summit of Hahns Peak with 2,200 ft. of elevation gain, featuring single track, jeep road, and talus slope. The race takes place on ..

The Dynafit Vail HillClimb is a challenging trail race that starts in Vail Village and finishes at Mid-Vail, covering a distance of 7 miles with an ascent of over 2,200 vertical feet. The race, scheduled for July 6, 2024, has been named the best trail race by Colorado Runner Magazine in the past. Pa..

The Silverton Alpine Marathons offer three distance options - 8 miles, marathon, and 50 kilometers - through the San Juan Mountains, passing historic mining ghost towns and reaching a high point of 12,930 ft atop California Pass. The event starts and finishes in Silverton, Colorado, with a total ver..

The Leadville Silver Rush 50M will take place in Leadville on Saturday 6 July 2024. You can run between 15 and 50 kilometers.

The Kendall Mountain Run presented by adidas Terrex is a challenging trail run in Silverton, Colorado, offering a 12-mile and 11K option. The race starts in downtown Silverton and includes a final 250-foot scramble to the summit of Kendall Mountain at 13,066 feet. Participants will enjoy breathtakin..

The Hardrock 100 Endurance Run is a 100-mile clockwise loop through the backcountry of the San Juan Mountains in southwestern Colorado. The course connects or passes near the old mining towns of Silverton, Lake City, Ouray, Telluride, and Ophir. With a total elevation gain of approximately 33,000' a..

The Silverheels Trail Runs take place at an average elevation of over 10,000 feet in Colorado, offering stunning views of the South Park Valley and the "Decalibron" 14er's. The course includes single track trails, fire roads, and dirt roads, passing through ghost towns, abandoned mines, and high alp..