Trail Running Calendar United States 2025-2026

Scout Mountain Ultras is an annual trail running event held the first weekend of June in Pocatello, Idaho. The event offers a range of distances, including a 100-mile race, welcoming runners from first-timers to seasoned ultrarunners. The atmosphere emphasizes community, inclusivity, and environment..

The Tsalteshi Backyard Ultra will take place in Soldotna on Friday 5 June 2026.

Hell Hole Hundred is an ultramarathon set on the Jericho Horse Trail in the Francis Marion National Forest near Bethera, South Carolina. Races span from 10k up to 100 miles (including 25k, 50k, 50 mile, and a Night 25k option). Runners contend hot, humid summer swamp conditions as the course unfolds..

Alaska Endurance Trail Run is a trail ultramarathon held in Interior Alaska on the University of Alaska Fairbanks West Ridge trails. The event offers 6-, 12-, and 24-hour challenges for individual runners and walkers. It takes place Friday to Saturday, June 5–6, 2026, during the land of the midnight..

The PCT 50 is a 50-mile out-and-back trail race through the Cleveland National Forest in eastern San Diego County, California. The course largely follows the Pacific Crest Trail, beginning around 3,000 feet and climbing to about 6,000 feet with roughly 7,500 feet of total elevation gain. Runners tac..

The Pronghorn Pursuit Trail Run, held annually near Dillon, Montana, offers a scenic and challenging off-pavement experience through the sagebrush hills of the High Trails System. Participants can choose from a 15K trail run featuring 90% single-track with 2,400 feet of climbing, a 5K trail run with..

Vashon Island Ultramarathon & Trail Run takes place on Vashon Island, Washington, offering 50K, 20-mile, and 10-mile options from the Gateway Trail system near SW 178th and 103rd SW. The rolling course is mostly single- and double-track trails with dirt roads and grassy shoulders, about 770 feet of..

Dam Yeti 50 is an annual ultramarathon in Abingdon, Virginia, offering 50‑mile and 55K distances, plus the Pepsi Challenge 25K on Sunday. Marketed as the fastest ultra course in the country, it runs point‑to‑point down Virginia’s legendary trail, with a downhill start into Damascus and the famed 'br..

Rose Canyon Ultra, by Happy Trails Racing, takes place in Herriman, Utah, slated for June 6, 2026, starting and finishing at the Butterfield Trailhead Regional Park. The event offers distances of 50-mile, 50k, and 30k on a rugged course weaving through Rose, Butterfield, and Yellow Fork Canyon. Expe..

Slate Run Trail Race in Slate Run, PA offers 25K and Half Marathon options through Tiadaghton State Forest’s rugged terrain. The course traverses the Algerine Wild Area and Red Run sections of the Black Forest Trail, featuring technical single-track, streams, and sweeping vistas. For the first 9 mil..

The Hanson Hills Challenge Trail Run takes place in Grayling, Michigan, at 7601 Old Lake Road. The event offers two trail distances: a 5 Mile Trail Run and a 3 Mile-ish Trail Run. The 5-mile course is described as a two-track, hilly route, while the 3-mile-ish course uses two-track trails with a rel..

The Shadow of the Giants is an annual trail running event held in Fish Camp, California, just outside Yosemite National Park, featuring 50k and 20k distances. Set in the scenic Sierra National Forest, the race offers a challenging course with aid stations spaced 5-7 miles apart, stocked with a varie..

The Dirty Spokes Haw Creek Park Trail Run is an annual event held at Haw Creek Park in Cumming, Georgia. It offers two race distances: 6.4 miles and 3.35 miles, both run on a scenic, well-groomed trail system featuring rolling hills, single and double track, and some technical, twisty sections. The..

The Old Dominion 100 Endurance Run, held in Fort Valley, Virginia, is a challenging 100-mile race featuring a diverse course that includes pavement, gravel roads, single-track trails, ATV trails, logging roads, rocks, streams, and mud. This unique event tests runners' versatility across multiple ter..

Marsh Peak Madness is an endurance trail running event held near Lapoint, Utah, at the Middle Mountain Corral Trail Head in the Uintah Mountains. The race features a challenging 5-mile loop with an elevation gain of 1,244 feet, offering stunning views of Marsh Peak, Lake Mountain, and Dry Fork Canyo..

Go Beyond Racing's Bristow 24/12/6 Run is a timed loop trail ultramarathon at Elijah Bristow State Park, about 30 minutes east of Eugene, Oregon. Runners complete as many 1.05-mile dirt-loop laps as possible in 24, 12, or 6 hours, with a 12-hour Night Relay added in 2025. The pancake-flat course gai..

The Malibu Canyon Trail Races, held at Point Mugu State Park in Malibu, California, offer a variety of challenging trail running distances including 100K, 50-mile, 50K, 30K, and a newly added half marathon. This event, presented by Keira Henninger, takes place in a scenic natural setting known for i..

The Cuyahoga Valley 5K and Family Fun Run at Old Trail School, located in Akron, Ohio, is a scenic running event set within the beautiful Cuyahoga Valley National Park. The event features a 5K cross-country race on a natural, wooded trail with hills and a 112-foot elevation gain, offering a challeng..

Metahqua 24 is a trail running event held in Chillicothe, Ohio, featuring a scenic 2-mile course with a mix of single track and grass trails, including a 0.7-mile uphill segment with 200 feet of elevation gain, a 0.7-mile downhill, and a 0.6-mile flat section. The race offers multiple distances: a 2..

Ridge to Rails in Old Fort, NC, is a three-distance trail weekend offering a 50k, a half marathon, and a 10k through the Old Fort Gateway Trail system and Mill Creek Valley. The 50k forms a single loop over a mix of classic and new trails, delivering sweeping mountain views, fast downhills, and tech..