Trail Running Calendar United States 2025-2026

The Flag Rock 5K Trail Run is a scenic race held in the Flag Rock Recreation Area in Norton, VA, as part of the High Knob Outdoor Fest. The event takes place on the area’s extensive trail system, offering participants a challenging and picturesque outdoor experience. The festival, running from Augus..

The Bill Heideman Championships, organized by the Summit Athletic Running Club, is a running event held at Silver Creek Metro Park in Barberton, Ohio. This event features three races: a 5K, a 2-mile, and a 1-mile run, catering to various skill levels and ages. Participants can enjoy a festive atmosp..

The Lean Horse Ultra Marathon is an annual ultra-running event held in August in the Black Hills of South Dakota, centered around the scenic George S. Mickelson Trail. Established in 2005, it offers multiple race distances including 100 miles, 50 miles, 30 miles, and 20 miles, along with a 100-mile..

The Jigger Johnson Ultras is a challenging trail running event held in the White Mountain National Forest, starting and finishing in Waterville Valley, New Hampshire. It offers three race distances: 100 miles, 50 miles, and 20 miles, each featuring rugged, technical mountain terrain with significant..

The Baby Dragon event, held at Vogel State Park in Blairsville, Georgia, features multiple trail races including a 100-mile ultra, a 40-mile race, and a 40-kilometer race called the Dragon Egg. The 100-mile race involves multiple traverses of the Duncan Ridge Trail, with a generous 50-hour cutoff, w..

The Inkom Last Man Standing 1.1 is a unique endurance running event held on a private 1.1-mile loop in Inkom, Idaho, featuring a challenging course with 240 feet of elevation gain per loop, including rolling hills and steep climbs. Inspired by a local runner's daily trail, participants must complete..

The "Thanks Sandy" event is a 9-mile trail run held at Kohler-Andrae State Park in Sheboygan, Wisconsin. The course features a mostly flat terrain with a total elevation gain of 509 feet and descent of 485 feet, combining concrete paths, wide woodland trails, sandy shoreline running along Lake Michi..

South Bay 24 is an endurance running event held at Montgomery Waller Community Park in San Diego, featuring a 1.25-mile loop course that includes trail, grass, and bike path surfaces. The event offers multiple race options including a 24-hour race, 12-hour day and night races, a 6-hour race, and a h..

The San Juan Softie 100 is a challenging 100-mile ultramarathon held in Durango, Colorado, traversing the scenic San Juan Mountains. The course features an average elevation near 10,000 feet and includes over 20,000 feet of vertical gain, making it a demanding mountain race. Participants experience..

The Summit North Trail Runs, held in West Duluth, Minnesota at Spirit Mountain, offers a premier trail running experience in the Midwest. The event features rugged terrain with challenging climbs and winding forest singletrack, including the notable Ely’s Tunnel on the Forest Track course. Runners c..

XTERRA Ruidoso is an off-road triathlon and trail running event held in Ruidoso, New Mexico, as part of the XTERRA World Tour. Set against the scenic backdrop of pine forests and Grindstone Lake, the event offers a full-distance triathlon (1.5K swim, 27K bike, 10K run), a sprint triathlon (750m swim..

The Marquette Trail 50 is an ultramarathon event held in Marquette, Michigan's Upper Peninsula, featuring 50-kilometer and 50-mile trail races. The course is predominantly single-track, challenging runners with climbs over four peaks—Sugarloaf, Top-of-the-World, Bareback, and Hogback—offering scenic..

The Bulldog Ultra is a challenging trail running event held in Malibu Creek State Park, California, featuring 25k and 50k distances. Celebrating its 31st year, it offers scenic views of the Santa Monica Mountains and the Pacific Ocean from single track and fire roads. The course includes steep climb..

The New Glarus Woods Trail Run is an annual event that celebrates outdoor fitness and community spirit, taking place in New Glarus, Wisconsin. This year marks the 6th edition of the run, which is part of the Savanna Trail Run Series. The event features multiple race options, including a 1 Mile Fun R..

The Scorchin' Squirrel Trail Run offers a thrilling trail running experience at the Ferncliff Camp and Conference Center in Little Rock, Arkansas. Scheduled for August 16, 2025, participants can choose from four distance options: 10k, 11.5 miles, 15.5 miles, or 19.5 miles, each featuring varying loo..

The Bad Dawg Ultra, held annually in Waynesville, Missouri, is a no-frills endurance running event featuring distances of 100 miles, 100k, 50 miles, 50k, and a 12-mile run/ruck. The race takes place on a scenic 10-mile out-and-back course with rolling Ozark hills, flat gravel paths, and tree-lined c..

The White Pine 50 Backcountry Run is a 50-mile ultramarathon held in Upper Logan Canyon, Northern Utah, starting and finishing at Beaver Mountain Ski Area near Garden City. The looped course incorporates sections of the renowned Bear 100 trail, offering a challenging backcountry experience with scen..

The Tamalpa Headlands 50K is a challenging ultramarathon held annually in Marin County, California, starting and finishing at Santos Meadow near Muir Woods. Covering a 50-kilometer single-loop course, the race features approximately 6,500 feet of elevation gain across iconic trails such as Coastal,..

The Iowa Trail Run Series: Annett Nature Center is a scenic running event taking place at the Annett Nature Center in Indianola, Iowa. Participants can choose between a 5K and a 10K race, both designed to showcase the beautiful landscape of the area, including gravel paths and dirt trails. A portion..

The Almaden Hills Trail Run - Summer is a challenging trail running event held at Almaden Quicksilver Park in the scenic Almaden Valley, San Jose, California. The course features a mix of 60% dirt roads and 40% single-track trails, with significant hills offering great views and beautiful countrysid..