Trail Running Calendar United States 2025-2026

Badwater 135 Ultramarathon, staged in Death Valley, runs from Badwater Basin—the lowest point in North America—to Whitney Portal near Mt. Whitney, California. The 135-mile (217 km) non-stop course climbs three mountain ranges, with about 14,600 ft of total ascent and 6,100 ft of descent.The brutal h..

The Sheep Mountain trail runs offer three distances: 50-Mile 50k Half Marathon The event is limited to 300 runners and has a 16-hour time limit. The start and finish are at Town of Fairplay Beach in Fairplay, CO. Registration for the 2026 edition opens December 1, 2025; online registration closes..

Hood Hundred is a 100-mile mountain trail run staged at Mt. Hood Meadows in the Mt. Hood National Forest, Oregon.The route uses a crew-accessible, wrap-around lollipop-course through diverse alpine terrain, featuring about 17,300 feet of ascent and 17,300 feet of descent. The event blends a supporti..

The Waldo 100K will take place in Willamette Pass on Saturday 1 August 2026.

Volcanic is Go Beyond Racing’s Mt. St. Helens race in Washington state, offering a grueling 50K+ and a 25K option.The 50K course follows the Loowit single-track to circumnavigate the volcano, featuring large boulder fields, river crossings, the blast zone, and steep, sometimes rope-assisted drainage..

The Kennebec Mountain Run is a 15-mile trail race in the La Plata Mountains near Hesperus, Colorado. The course gains about 3,100 feet and reaches a high point near 12,200 feet at Kennebec Pass. The event emphasizes alpine scenery, including views of the Animas and Dolores River valleys and alpine..

Loopy Looper is an endurance running event held on Saturday, August 1, 2026, at Cooper River Park - Jack Curtis Stadium, 5300 North Park Drive, Pennsauken, NJ. The event offers multiple timed and distance options: 12-hour timed event 24-hour timed event 101.25-mile (100 mile) option Glow-Up Loop n..

Skyline 50K Endurance Run is one of the oldest continuously running 50k races in the United States. The course starts and finishes at Lake Chabot Marina in Castro Valley, California, and follows a large loop through East Bay Regional Parks out to Skyline Gate. The event is popular with first-time ul..

Salt and Sulfur 420 is a 420-mile endurance journey from Salt Lake City, Utah, to West Yellowstone. The event blends ultrarunning with personal growth, emphasizing mental fortitude as much as physical stamina. Runners traverse mostly paved roads with about 50 miles of dirt, along a rugged, scenic co..

The Tahqua Trail Run takes place in Paradise, Michigan, at Tahquamenon Falls State Park. The event is organized by Great Lakes Endurance and, as of the 2026 season, operated by Aravaipa Running. Distances offered in 2026 are: 50K 25K 10K Registration closes on Mon, Aug 3, 2026. The event has an e..

Larrabee Lakes, part of Evergreen Trail Runs, takes place in and around Larrabee State Park near Bellingham, Washington. The event offers four distances — 50K, 25K, 12K, and a Kids Race — starting and finishing at Fairhaven Park. Runners traverse a mix of Interurban Trail, forest singletrack, and ri..

Run the Rockies Trail Race in Frisco, Colorado offers 5k, 10k, and half marathon distances on the scenic Frisco Peninsula trails, with views of Dillon Reservoir and the Ten Mile Range. The start and finish are at the Frisco Nordic Center. The course blends single-track and dirt roads, looping counte..

The 3H Trail Half Marathon + DHRT 50K is scheduled for Saturday, August 8, 2026, in King George, VA (4224 University Drive, 22485). The event features two races: 3H Trail Half Marathon Dahlgren Heritage Rail Trail 50K Registration opens October 1, 2025. The half marathon fee is listed at $65 and..

Buckeye Ultra 200 Mile Road Race is a roughly 203-mile open-road ultra from Walnut Beach on Lake Erie in Ashtabula to Wellsville, Ohio, near the Ohio–West Virginia border. The out-and-back course features lakefront scenery, mountain foothills, Amish country, and post‑steel towns, totaling about 6,00..

Bigfoot 200 is a 200.1-mile point-to-point ultramarathon through Washington’s Cascade Mountains. The race starts at Marble Mountain Sno-Park and finishes in Randle, weaving a demanding course that traverses volcanic landscapes, forests, rivers, and views of Mount Rainier, Mount Hood, and Mount St. H..

The Bigfoot 20 Mile Run is scheduled for August 14, 2026, in Cougar, Washington. The race begins at Marble Mountain Sno Park and follows trails along the southwestern side of Mt. St. Helens, which erupted in 1980. The course covers 20 miles on 100% single-track trail and includes lava fields, strea..

Black Copperhead Sting is an ultramarathon held in Belmont, North Carolina at Rocky Branch Park. The event offers 50K, 25K, and 5K distances and marks its 8th year returning to the area. The course is a 3.24-mile trail loop with about 293 feet of elevation gain per lap, following Trailhead, Canopy,..

The Dog Days of Summer Trail Race is a multi-event ultratrail weekend in Grandview, Tennessee, raising funds for Flying Pigs Animal Sanctuary. Runners choose 1- or 3-mile loops and can go for 1, 3, 6, 12, or 24 hours, tackling brutal, Barkley-style hills in hot, humid conditions. Each loop starts an..

One Step Closer is a collaborative endurance event held at Lincoln Park in Seattle, Washington. Runners tackle a 2-mile loop around the park, repeating it as many times as they can within their chosen time window—3, 6, 12, or 18 hours. The course is described as diverse and versatile for its size, o..

Shawnee Hills Trail Races take place at Camp Ondessonk in Ozark, Illinois, inside Shawnee National Forest. The event offers 100 Mile, 100K, 50K, Half Marathon, and a Night 50K, with pacers permitted for the 100-mile and 100K distances only. The course is a figure-eight loop, about 80% single-track d..