Trail Running Calendar United States 2025-2026

The Run at the Rock Half Marathon is part of the 21st Annual Run at the Rock event held at Cedarock Park in Burlington, North Carolina. Scheduled for December 13, 2025, the event offers 5K, 10K, and Half Marathon trail races on challenging courses featuring twisty single-track and smooth equestrian..

The Hark the Herald Half Marathon & 10K is an annual running event held at Angel Island State Park near Belvedere Tiburon, California. Celebrating its 37th year in 2025, the race features a scenic, hilly loop trail around Angel Island with stunning views of the Golden Gate Bridge, San Francisco, Alc..

The Dixon Lake Trail Race, held annually at Daley Ranch in Escondido, California, offers runners scenic trail runs with distances of 10 miles, 10K, and 5K. Starting at El Caballo Park, the 10-mile course ascends to Stanley Peak, providing a stunning 360-degree view from the summit. Elevation gains r..

The Bell Ringer Trail Run is held annually at Montgomery Bell State Park in Burns, Tennessee, offering 50K, 25K, and 15K trail race options. The event showcases over 30 miles of scenic trails known for their moderate difficulty with multiple uphill and downhill sections, suitable for both experience..

The Pigtails Run, known as the "Flat" Fat Ass, is a celebrated running event held in Maple Valley, Washington, marking its 20th year in 2025. The race offers multiple distances including a 50K, marathon, and half marathon, with an early start option for the 50K and marathon. The course features a sc..

RunFluent Christmas is an annual running event held in Lutz, Florida, featuring a 4-mile race and a 7-hour multi-lap challenge, including a 2-person relay option. Now in its third year, the event offers a festive atmosphere with race day T-shirts for all participants and finisher awards. Top three m..

Spirit of Syllamo is a challenging trail running event held in December at Blanchard Springs Recreation Area in the Ozark Highlands, Arkansas. It offers three distances: 13.1, 35, and 100 miles, featuring rugged, rocky, and densely forested singletrack trails with diverse terrain including creek cro..

The Mount Hood Nutcracker Challenge is an annual cross-country running event held in Melrose, Massachusetts, at the Mount Hood Golf Club. This unique 3.5-mile race features a challenging, hilly course that changes every year, incorporating fairways, paved cart paths, road crossings, and occasional w..

The Ignite Trail Marathon takes place at Chain O'Lakes State Park in Albion, Indiana. This event features two race distances: a full marathon and a half marathon. The course consists of a 13.1-mile loop that runners complete once for the half marathon or twice for the full marathon.Participants bene..

The Crystal Cove Trail Run, held at Crystal Cove State Park in Laguna Beach, California, offers a scenic and challenging trail running experience just minutes from the beach. The event features three distances: a 15K, a 6K, and a Kids 1K race. Both the 15K and 6K courses include fire road climbs, ri..

The Cape Fear Holiday Run is a festive trail running event held at Cape Fear Shiner Park in Lillington, North Carolina. Featuring a 1.17-mile loop that blends scenic trails with a short paved section, the course is accessible for runners of all levels. Participants can choose from 9-hour, 6-hour, or..

The Beast of the East 100 is an ultramarathon event held at Crowders Mountain in Kings Mountain, North Carolina. It features multiple race distances including a 100-mile, 100K, 50-mile, marathon, and half marathon, all run on the extensive Crowders Mountain trail system. The course includes challeng..

The Jingle Trails Challenge presented by Merrell is a festive trail running event held at McAllister Park in San Antonio, Texas. Scheduled for December 13, 2025, it features two race distances: a 10K on the Blue Loop and a 5K primarily on the Red Trail. Participants will navigate technical terrain i..

Saturnalia is a winter trail running event held at Squaxin Park in Olympia, Washington. Featuring a 10K distance, it offers participants a festive holiday atmosphere amid the challenges of winter trails, darkness, and variable weather conditions. The event is designed as a fun celebration, inviting..

The Frosty Forest 5K is a trail running event held in Roosevelt Forest, Stratford, Connecticut. This 5K race offers participants a chance to escape the roads and enjoy a scenic course through nature. Runners, joggers, hikers, and walkers are all welcome, with a requirement of some trail experience.P..

The Folsom Lake Point to Point Trail Half Marathon is a scenic trail race held in El Dorado Hills, California, near Sacramento. The 13.1-mile course is predominantly single track (95%) with some dirt road (5%), running alongside the picturesque Folsom Lake. Runners experience a mix of gentle rolling..

The Holmdel Classic is a challenging end-of-year trail race held in Holmdel Park, Monmouth County, New Jersey. Featuring a 4.65-mile loop with 584 feet of elevation gain, the course covers diverse terrain including grass, dirt, rocks, roots, gravel, pavement, and varied inclines. Participants can ch..

The Helen Holiday Half Marathon, held in Helen, Georgia, is a festive and scenic trail running event featuring a half marathon and a 10K race. Known for its challenging course with significant climbs and technical trails, the race offers a fun introduction to trail running with beautiful views and a..

The Pocahontas Half is a scenic running event held at Pocahontas State Park in Chesterfield, Virginia. It features a half marathon, 10k, and 5k race, all taking place along the forested Bright Hope Trail. The course offers a soft running surface of dirt and pine needles with some minor hills, provid..

The Doomsday 50K & Half Marathon takes place in Cool, California, offering runners a challenging and scenic race experience. The 50K features 5,100 feet of elevation gain and loss, while the Half Marathon includes 1,250 feet. Both races start together at the Cool Staging Area.The event welcomes hike..