Trail Running Calendar United States 2025-2026

Speedgoat Mountain Races by UTMB takes place at Snowbird, a premier Utah ski resort in the Wasatch Mountains’ Little Cottonwood Canyon. The event offers three distances: 50K with about 3450 m of elevation gain, 31K with around 2000 m, and 10K with roughly 500 m. Runners traverse alpine trails with p..

Maah Daah Hey Trailrun is a multi-distance trail racing series in North Dakota’s Badlands, centered around Medora. Distances range from 3.1 miles (5K) to 116 miles, with 6.2, 13.1, 26.2, and 58-mile options as well. Runners traverse the Maah Daah Hey and Buffalo Gap trails, tackling rugged, remote s..

Standhope Ultra Challenge is Idaho’s highest trail race, based near Ketchum in the rugged Pioneer Mountain range. The event offers three distances: 100 Mile Run, 60K, and 30K. Runners face remote backcountry trails, steep, technical climbs, and alpine scenery, with climbs reaching up to 11,000 feet..

Crazy Mountain 100 is a 100-mile mountain ultramarathon in Montana's Crazy Mountain Range. The race begins at Westling Ranch in Wilsall and finishes near Lennep on Berg Road, with stages hosted on two family ranches and passing through Indigenous lands. Runners tackle about 23,000 feet of vertical g..

The Sweaty Backyard Cox Ultra takes place in Concord, North Carolina, as a Backyard Ultra–style race set in the woods. The course is a single loop of 4.167 miles that is repeated until only one runner remains. The event conveys a gritty, communal atmosphere with a humorous, tough-running vibe. New f..

Pikes Peak Ultra, in Colorado Springs, Colorado, offers 20K, 30K, 50K, and 50 Mile races. Starting at Bear Creek Regional Park, the course climbs via High Drive into Cheyenne Canon, then traverses the Seven Bridges Trail before routing up Pipeline Trail. Much of the route is crushed granite, with sw..

The Mighty Mosquito Trail Race & Relay is held at Stewart Lodge in Mendon Ponds Park, Mendon, New York, over July 25–26. The festival offers a wide range of solo and relay options, including the Mighty Mosquito 100-Mile, Mega Mosquito 50-Mile (3x5.5-mile loops), a 99-Mile Team Relay, a 50-Mile Relay..

The Webster Trail Classic is a trail running event held in Webster, NY, featuring a 10-mile race, a 3.5-mile race, and a 1-mile kids fun run. The course traverses three neighboring parks—Webster Park, Whiting Road Nature Preserve, and Gosnell Big Woods Preserve—each offering distinct trail styles an..

Lost Sierra Endurance Race, presented by Bad Luck Run Club, takes place in the Sierra Nevada high country around Downieville, California. Runners choose from 25K, 50K, or 100K. The 100K is an out-and-back epic, starting in Downieville, climbing toward the Sierra Buttes then north to Plumas-Eureka St..

Standhope 100 is Idaho’s highest trail race reimagined as a 100-mile endurance run. Held in the rugged Pioneer Mountain Range, the single-loop course fully circumnavigates the high-alpine terrain, delivering breathtaking views and demanding climbs. Runners rely on 12 fully stocked aid stations, a cu..

Elder Creek Night Runs takes place in Anza, California, on land belonging to the Cahuilla Band of Indians. The centerpiece is a 4.6-mile loop of single-track trails and wide dirt roads through manzanita and rock formations, with views of Cahuilla Mountain. Runners choose from four distances: 9 miles..

The Elkhorn Crest 50 is an ultra running event held in Sumpter, Oregon, featuring two distances: a 50-mile and a 50K race. The 50-mile course traverses the Elkhorn Mountain ridgeline through sub-alpine forests and grasslands, offering panoramic views of Baker Valley, the Wallowas, and the Blue Mount..

The Summit 200 is a single, non-repetitive 200‑mile loop around Summit County, Colorado, centered near Frisco. The mostly non-urban route uses single-track trails, forest roads, and some rec paths and pavement, with the lowest altitude above 9,000 ft and sections climbing toward 12,800 ft, plus 12 f..

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

Hood Hundred is a 100-mile mountain trail race set on Mt. Hood, Oregon, with start and finish at Mt. Hood Meadows in Mt.Hood National Forest. The route covers diverse, scenic terrain on a crew-supported, lollipop-loop course totaling about 17,300 feet of ascent and 17,300 feet of descent. The event..

Sheep Mountain Trail Runs, part of the Human Potential Running Series, takes place near Fairplay, Colorado on the western slope of the South Park Valley. The 12th annual event offers 50-mile, 50k, and Half Marathon distances, with a 16-hour time limit and a 300-runner cap. The start/finish is at the..

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..

Loopy Looper is an endurance event held at Cooper River Park, Jack Curtis Stadium, Pennsauken, NJ. The race offers 12-hour, 24-hour, and 101.25-mile options, with the 101.25 mile distance defined as 27 laps of a 3.75-mile paved loop around the park. The course is flat and fast, touted as one of the..

The Skyline 50k Endurance Run will take place in Castro Valley on Sunday 2 August 2026.