Trail Running Calendar United States 2025-2026

Tahoe Rim Trail Endurance Runs (TRTER) is a nonprofit trail ultramarathon series in the Lake Tahoe region, centered around the Spooner Lake Backcountry near Carson City, Nevada, with the Start/Finish relocated to Carson City. The event offers three distances: 100 miles, 100K, and 50K, run on the Tah..

The McCoy Flat Death Race is a unique endurance running event held at McCoy Flats Trail Head in Vernal, Utah. Participants run a 4.1-mile course every hour on the hour, starting at 6:00 am. Runners must complete each lap within the hour to continue; failure to finish or start on time results in elim..

Crow Pass Crossing is an iconic Alaskan backcountry footrace running about 23 miles from above Girdwood to the Eagle River Nature Center. The route, pared from 28 miles, offers a rugged, technical course with mountain and glacier views, snowfields, brush, and a crossing of the fast-flowing Eagle Riv..

Located in Tellico Plains, Tennessee, The Cherokee Ultra runs in the Cherokee Forest and offers 130K with 19,000 ft gain, 70K with 10,000 ft gain, and the 24-mile Waucheesi Vert Challenge with 5,000 ft climb and 5,000 ft descent. Start/finish is Tellico Plains High School. Course highlights include..

Storm the Farm is a trail running event held in Winona, Minnesota, at Briggs Outdoors, featuring challenging courses through the scenic bluffs of Southeast Minnesota's Driftless Region. The race offers multiple distances: 5k, 10k, 21k, 30k, and a 43k ultra, with the longer distances consisting of mu..

Hot to Trot in Los Angeles is hosted at Griffith Park’s Crystal Springs Picnic Area. The event offers 5k, 10k, 15k, and a half marathon. The course is an open dirt-trail loop system: 5k out-and-back; 10k and 15k are multi-loop formats; the half marathon uses three 4.36-mile loops.Runners share the t..

Barr Trail Mountain Race is a 12.6-mile summer mountain running event along Pikes Peak. The course starts at Cog Railway Station in Manitou Springs (6,570 ft), ascends Barr Trail to Barr Camp at 10,200 ft, then turns, descends, and finishes at Barr Trailhead. The race is CUP-less and runners should..

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..

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 Standhope Ultra Challenge is a backcountry ultramarathon in the Pioneer Mountains near Ketchum, Idaho. The event, held July 24–26, 2026 (with the 100 Mile Run July 25–27), offers three rugged distances: 100 Mile, 60K, and 30K, all on high-alpine terrain. Runners face remote, technical trails and..

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..

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..

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..

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..

Pikes Peak Ultra, produced by Mad Moose Events, is a Colorado Springs trail ultramarathon offering 20K, 30K, 50K, and 50-mile distances on July 25, 2026. The race begins and ends at Bear Creek Regional Park and climbs through High Drive into Cheyenne Canon, crossing the Seven Bridges Trail before ro..

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..

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..

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..

Burning River is a multi-distance ultrarunning festival in Northeast Ohio, centered in Cuyahoga Falls near Akron. The 2026 program features 100 Mile, 50 Mile, Back Half 50 Mile, Marathon, and a 100-Mile relay (eight runners). The scenic course winds through the Cuyahoga Valley National Park and Summ..

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..