Trail Running Calendar United States 2026-2027

A six hour trail endurance challenge in Johnson City TX where runners complete a 5K every hour and must finish each lap within the hour to continue. Finish all six laps to earn the OUTLAST medal and national leaderboard ranking.

Experience the trails of Redwood Regional Park in Oakland. Runners can choose from distances ranging from a 50 yard kids dash to a 50K ultramarathon through scenic ridge lines and redwood groves.

A night trail event at Fontainebleau State Park with 5 and 10 mile options. Runners must carry a headlamp, whistle, and personal hydration; one aid point at the start finish provides water for refilling.

Experience the scenic trails of Iron Mountain at the Lake Antoine Classic. Choose between running, walking, or cycling distances in this community event supporting the Special Olympics.

A 3.1 miles obstacle course through Thomas Jefferson’s Poplar Forest with elite, team, corporate and non-competitive waves. Entry fees support Poplar Forest education and elite competitors must complete all obstacles to qualify for prizes.

A volunteer supported non profit trail race of about 19.9 miles along the Bridger Mountains crest near Bozeman, Montana. The route is remote and technical with multiple aid stations, an application lottery for entry, and limited field size.

Experience the beauty of New Glarus Woods State Park with trail races ranging from 5k to 16k. This annual event features forested loops and prairie views while supporting park conservation efforts.

Experience a scenic cross country 5k along the wooded trails of the White River in Noblesville. Participants enjoy a timed race with rewards including local honey and medals for top finishers while supporting local food security.

Summit Grays and Torreys Peaks in this 8.8 mile Colorado endurance event. Participants must carry a 20lb dry load while tackling 4,101 feet of elevation gain.

A Backyard Ultra at Loudy Simpson Park in Craig, Colorado where runners repeat a 4.167 mile loop every hour until one remains. A single-loop Citizens Race option follows the same scenic course along the Yampa River.

Trail races on hilly mixed dirt and single track at Almaden Quicksilver Park with distances from 5K to 50K, aid stations, drop bag service for longer races, and mandatory course markings and cutoffs.

A community wellness trail event at Blood Tribe Timber Limits on August 9, 2025 offering 2K for kids and 5K, 10K run only and 15K run only distances with free registration, chip timing, water stations and cash prize draws.

A 50 mile relay in Ashley National Forest near Vernal, Utah, offered as solo or team entries for two, four, or eight runners. The route runs from Red Cloud loop turnoff to Remember the Maine Park with radio support and porta potties.

Trail races on the Wolf River Trails in Memphis offering a 7-mile and a half marathon on the Mamba 100 loop, with marked course, staffed aid station and packet pickup the day before.

A trail race day at Harriman State Park near Island Park, ID with 1k, 10k, 25k and 50k options, scenic forest and meadow courses, on-course aid and finishers medals; registration opens April 1 and closes August 10.

A 4.61 mile trail race at Moody Park in Claremont NH featuring narrow single track, wet sections and a steep drop and climb at Gravity Cavity. The event is part of the Western NH Trail Running Series and benefits the local parks department.

605 Trail Fest brings three trail distances to Good Earth State Park in Sioux Falls on August 15, 2026, including an 8 mile, a 4.5 mile and a 1 mile youth course. Packet pickup is scheduled the day before.

A cross country style 5K run and 1 mile walk on the fairways of Fallen Timbers Golf Course in Waterville, Ohio. Proceeds support Nature's Nursery and another local Northwest Ohio charity.

Lucky Bucket 5K takes place August 15, 2026 at Eugene Mahoney State Park in Ashland, NE. The off road course mixes dirt trails, grass and paved paths; entries include park admission, food, two drink tickets and a post race gathering.

A trail 5K in Gettysburg on August 15, 2026, with a race shirt option for early registrants and an event bottle opener medal. Brewfest options and tours of the Daniel Lady Farm House and Barn are available the same day.