Trail Running Calendar United States 2026-2027

The Leadville Trail 10K Run takes place in August 2026. This out-and-back 10k course shares the start and finish of the famous Leadville Trail 100 Run, traveling on paved and dirt roads high in the Colorado mountains. It features one aid st..

The Nitty Gritty Off Road Race at Red Lodge Mountain Resort offers tough, scenic loops on dirt roads and single track. Choose from solo marathons, half marathons, a hot lap, or a team relay. Expect steep climbs, no on course aid, and a welc..

A biannual mountain trail race on Mount Mansfield near Stowe, Vermont, covering about 11 miles and 5,000 feet of climbing over technical and exposed trails. Entry is capped at 70 and requires a recent qualifying time.

A cross country meet in New Bern, NC on August 17, 2026, featuring separate Girls and Boys 5K races at The Epiphany School with timing and results provided by Run The East, LLC.

A midweek trail 5k at Lory State Park in Bellvue, Colorado, presented as part of an August series. Chip timing, series points and awards, free vintage shirts for registrants, and pizza and beverages after each race.

A four-race trail series on Tuesday evenings in August in Lory State Park. Distances include 5K, 10K, and 12K routes with varying elevation. Pizza and drinks follow each race, with series awards at the end.

The Augúst in Helena, MT is the 58th running of a 5k trail race on a flat course. The no frills event has separate youth and adult 5k categories and raises funds for local high school cross country teams.

The Habanero Hundred is a major Texas trail race held each August. Runners can choose from ultra distances up to 135 miles, standard marathons, or relay events at the scenic 7IL Ranch. All participants get a shirt and chip timing, with spec..

This two day trail run event at Idaho's Silver Mountain Resort features a 2 mile race on Friday and a 13k run/hike on Saturday. Participants ride the gondola to the start at the mountain top. The weekend also includes vendors and other reso..

A multi distance trail running weekend at Camp Ondessonk in Ozark Illinois, featuring a figure eight loop through sandstone canyons and multiple waterfalls. The course is mainly single track with technical terrain and staffed aid stations.

A trail half marathon in Hood River, OR with roughly 2,300 ft of elevation gain, two official aid stations, and several scenic creek crossings. The event includes a finisher prize bag and random bonus prizes and uses Binns Hill Staging Area..

A rugged trail event in Windham, Maine offering 13M, marathon and 50K on a technical 10 mile loop with two aid stations, mandatory participant donations, on-course flagging, and a no-refund grassroots policy.

A point to point 100K trail race in Naples, NY along the Bristol Hills Branch trail. The course is mostly single track with substantial elevation, a 20 hour cutoff, eleven aid stations, shuttle service, and UTMB and Western States qualifica..

A 14 mile trail race with a 7K option at Hyner Run State Park featuring single track in Sproul State Forest, three aid stations, and a strict time limit. The event is open to runners and speed hikers only.

The Gravel Worlds Run Series takes runners onto the gravel and dirt roads around Lincoln, Nebraska. This self-supported event offers distances from a 5k to a 50k ultra, all featuring rolling hills. It's part of a larger weekend that include..

Trail races at Tryon Equestrian Center include a marathon, half marathon and 10k on a 6.5-mile loop of packed dirt, single-track and meadows with 600 ft elevation gain per loop; registration includes park entry and a finisher medal.

Trail races in Fraser, Colorado on August 22, 2026, offering a Half Marathon and a 5K on unpaved roads and trails. Proceeds support the Shining Stars Foundation and dogs are allowed on leash.

A cross country meet at Muskegon Catholic Central Monsignor Kehren Stadium on August 22, 2026, featuring high school races and an open alumni and community 5k. Race proceeds support MCC Cross Country and Track and Field programs.

Staunton Rocks! Marathon and Half Marathon This trail running event takes place in Colorado's Front Range Mountains, southwest of Denver, within Staunton State Park. The course tours the park's renowned singletrack trails, passing by histor..

Celebrate the 12th year of trail running in Ruidoso, New Mexico. Choose from multiple distances, all starting and finishing at scenic Wingfield Park. Your run supports the All-Season Adaptive Sports program.