Trail Running Calendar United States 2025-2026

The Bull Dam Trail Run is a local trail running event held at Howard Eaton Reservoir / Bull Dam in North East, Pennsylvania. Scheduled for August 31, 2025, it offers three race options: a 5K trail run/walk, a 10K trail run, and a half marathon (13.1 miles) consisting of two laps of the 10K course. T..

The 10k @ 10,000 Feet is a challenging trail running event held at the summit of Rabbit Ears Pass near Steamboat Springs, Colorado. Known for its breathtaking mountain scenery, the race starts at an elevation of 10,000 feet and features a course that includes uphill stretches on US Forest Service di..

The AIDSPIRIT USA Marathon, held in Harlowton, Montana, is a scenic race starting in the Little Belt Mountains within Lewis & Clark National Forest and finishing in historic Harlowton. The event features a full marathon, half marathon, 10K run, and 5K fun run, all on compacted, calcium chloride-trea..

The Five Fields Farm Races, held in Bridgton, Maine, feature two challenging trail events: a 50K ultra and a 10K race. The 50K is a three-lap figure-8 course through the Bald Pate and Holt Pond Preserves, including steep climbs, technical singletrack, and a finish through an apple orchard. Each lap..

The Not-A-Sprint Ultra Races, held annually in Forest City, North Carolina, is an endurance running event featuring 3, 6, and 12-hour race options. The course is a scenic, flat, and paved 8.34-mile out-and-back loop along the Thermal Belt Rail Trail, with minimal elevation gain (95 feet) and about 3..

The SPASM Crystal Springs Trail Run takes place in Woodside, California, at Huddart Park, offering runners a scenic experience through towering redwoods, lush ferns, and trails in Huddart Park, King's Mountain, and Bear Gulch. The event features multiple distances: 8K, Half Marathon, 35K, Marathon,..

The Orchard Dash 10k is a cross-country trail race held at Albemarle CiderWorks in North Garden, Virginia. The event features both 5k and 10k routes, with the 10k consisting of two laps on a hilly course. Participants receive a finisher’s medal, a technical event shirt, and a glass of cider from Alb..

The Mount Baldy Run to the Top is a challenging 7-mile trail race held in Mount Baldy, California. Celebrating its 60th running, the race starts at 6,000 feet elevation and ascends 4,000 feet to the summit of Mt. Baldy, the third tallest mountain in Southern California at 10,064 feet.This event is a..

Escape from Turkey Mountain is a long-standing trail running event held in Tulsa, Oklahoma, at the Turkey Mountain Urban Wilderness Park. Scheduled for Labor Day, this race offers two distances: a challenging 5-mile course and a shorter, less technical 2-mile course. Both races start and finish at t..

The Manitou Trail Labor Day 5K is a fun trail run/walk held in Roscommon, Michigan, at the Cross Country Ski Headquarters. The event features a 5K race and a 1-mile Kids Fun Run, with parents encouraged to join their children in the latter. Participants receive a t-shirt (while supplies last), post-..

The Catamount Weekly Trail Running Race is a recurring event held at Catamount Outdoor Center, offering distances including a half lap, 5K, and 10K. The races take place rain or shine, with a clear thunder policy in place for safety. Participants receive new bib numbers each week to ensure accurate..

The Gypsum Canyon Wilderness 5k is a trail running event held at Gypsum Canyon Wilderness in Anaheim, California. The 3.3-mile course features a mix of fire roads and single-track trails with an elevation gain of 350 feet, offering a moderately challenging run through natural terrain. Participants w..

The Goat Rocks 50 Miles 2 Day Stage Run is a challenging trail running event set in the stunning Goat Rocks Wilderness, located between Mt. Rainier and Mt. Adams in Washington State.This two-day stage run covers 50 miles of rugged alpine terrain featuring narrow ridgelines, volcano views, meadows, l..

The Dark Divide Trail Races, held near Randle, Washington, offer challenging ultramarathon events through the rugged and remote Dark Divide Roadless Area in the Central Washington Cascades. The 2025 event includes a 100-mile race, a new 100K point-to-point course, a 50K, and a 15-mile fun run, all s..

The Sole Survivor Backyard Ultra in Richland, Washington, is a unique endurance trail running event inspired by Big's Backyard Ultra. Held at 1200 Carrier Rd., the race challenges participants to complete a 4.16-mile loop every hour on the hour until only one runner remains. The course features a mi..

The Wasatch 100 is a challenging 100-mile endurance run held annually in Utah, starting at East Mountain Wilderness Park near Kaysville and finishing at Soldier Hollow in Wasatch Mountain State Park. The point-to-point course traverses the central Wasatch Mountains, featuring approximately 24,000 fe..

The American Heroes Run, held in Longmont, Colorado, is a patriotic running event commemorating the events of 9/11. It features a variety of distances including a 100-mile ultra, marathon, half-marathon, 9.11-mile run, 5K, and timed runs such as 24-hour and 6-hour options. The race takes place on a..

The Superior Fall Trail Race, held in Lutsen, Minnesota along the scenic Superior Hiking Trail near Lake Superior, offers challenging trail running events in three distances: 100 miles, 50 miles, and a marathon (26.2 miles). This ultrarunning event takes place in early September, showcasing the rugg..

Run Woodstock is a unique trail running festival held on a 140-acre site in Gregory, Michigan, featuring century-old white pines, old growth forests, fields, and a beach. The event offers a variety of distances including 1 mile, 5 miles, half marathon, marathon, 50K, 50 miles, 100K, and 100 miles, w..

The Cutthroat Classic is an 11-mile trail run through the North Cascades, following the iconic Pacific Crest Trail over Cutthroat Pass. Held in the scenic Methow Valley, the race features high alpine views and a challenging course that begins at Rainy Pass, ascending gradually to 6,835 feet before d..