Trail Running calendar near Denver 2025-2026

The Leatherwood Marathon, held at Leatherwood Resort in Ferguson, North Carolina, offers multiple race distances including 10 miles, 25K, 50K, 50 miles, and a challenging 100-mile ultra. The course features private horse land trails with scenic, shaded tree lines and beautiful overlooks. Each loop i..

The Lake James 7 Miler & 5k races are part of the Lake James Races held at Fonta Flora's Whippoorwill Farm in Nebo, North Carolina. These trail runs take place in the scenic Lake James State Park, featuring light rolling hills and beautiful views suitable for both beginners and experienced runners...

Uforea is a unique trail running event held in Troy, North Carolina, within the Uwharrie National Forest. The race features two 50K challenges: a daytime clockwise loop and a nighttime counter-clockwise loop, each covering approximately 32 miles through the Uwharrie and Dutchman's Creek Trail system..

The Owls Roost Rumble is a trail running event held at Bur-Mil Park in Greensboro, North Carolina. Featuring a scenic half marathon that loops around Lake Brandt, the race offers runners beautiful natural views along the course. For those seeking a shorter distance, a 4-mile trail option is also ava..

The Grayson Highlands trail races, held annually in May at Grayson Highlands State Park, Virginia, offer a scenic and challenging mountain running experience. Distances include 50 miles (9,500 ft climbing), 50K (5,000 ft climbing), 25K (3,000 ft climbing), and 8 miles (1,200 ft climbing), each with..

The Mighty Mountain Run is a trail running event held at Camp Caraway in Sophia, North Carolina, featuring 5K and 10K distances. Set in the scenic Northern Uwharrie Mountains, the course includes rolling hills, gravel, asphalt, and trails through hardwood forests near lakes and creeks. The 5K route..

Quest for the Crest is a challenging trail running event held in Burnsville, North Carolina, featuring 50K, 25K, and 11K distances. Known as one of the hardest and most scenic races in the Southeast, the courses are point-to-point with significant elevation gains—up to 12,000 feet for the 50K, which..

The Momentus Back Yard Ultra, held at Williams Rushing Farm in Monroe, North Carolina, is a unique endurance running event featuring the official Back Yard Ultra format. Participants run a 4.167-mile loop every hour on the hour, continuing until only one runner remains, testing both mental and physi..

The Wicked Root 50K is an annual trail running event held in Lowell, North Carolina, featuring a challenging 10-mile loop course with 1,400 feet of elevation gain per loop. Participants complete multiple loops to cover the 50K distance. The race is marked with red ribbons and yellow arrows, and trek..

The Buck Creek Streak is an annual clothing-optional 5K trail run/walk held at Carolina Foothills Resort in Chesnee, South Carolina. Participants enjoy running through scenic woods, trails, and meadows, with the option to extend their challenge by completing a 7.3K route known as the Mike Ward Chall..

The Hollis Hills Farm Revival is a trail running event held in Ellenboro, North Carolina, featuring 25K and 50K distances. The course consists of loops around the farm, with a 5-mile loop that includes a 400-foot elevation gain, passing scenic areas like a hunter's cabin and fire road sections. The..