Trail Running Calendar United States 2026-2027

Trail races along single track by Folsom Lake on March 28, 2026, with 5K, 10K, 8 Mile and half marathon options. Courses feature dirt and rock surfaces, rolling hills, marked navigation and aid stations, and a commemorative medal for finish..

The first Whitehorse Oso Strong Half Marathon is a 13.1-mile scenic run in the Stillaguamish Valley. Registration includes a medal, T-shirt, and chip timing. Early registrants can receive a discount.

This spring 5K in Carrollton takes place on the paved paths of Hobbs Farm Park Greenway. Proceeds support the Grimes Foundation, and awards are given across multiple age groups.

Celebrate the season with a 5K run through the scenic trails of Brown County Reforestation Camp. Finishers get a bottle of local maple syrup, and a pancake breakfast is included. The event also features a family-friendly fun run and support..

OUTLAST Nashville is a six-hour endurance test. Runners face a trail 5K every hour, with the goal of completing all six laps to earn the final medal. The event combines pacing on natural terrain with a national leaderboard and prize structu..

Trail running at Percy Warner Park near Nashville offering a 50K, a trail half marathon and a 6 mile loop on marked blue, white and red trails with significant elevation, aid stations, staggered starts and limited bib transfers.

Sandlot Marathon is a looped baseball field race at Dave Anderson Athletic Complex in Elk River MN on March 28 2026. The marathon covers 384 and a half base loops with aid each loop and a six hour cutoff.

Trail races in Kings Mountain, NC on March 28, 2026 offering a 5K and a 10M over gravel and trail routes. Packet pick-up is available Friday and race day, with water stations and trophies for top three men and women in each race.

A tenth annual trail event in Spring City, PA on March 28, 2026 offering a 5K run and a 5K hike over dirt trails, gravel roads and short paved sections above French Creek. Proceeds support summer camping programs and scholarships.

A trail race in Posse Grounds Park, Sedona on March 28, 2026, presented by Run Flagstaff with the City of Sedona Parks and Recreation Department. The event offers 5K and 10K options on single track and mountain bike slalom style trails.

Trail run on Monte Sano near Huntsville with 25K and 12K mostly single-track courses through named trail sections. The event is cupless, has aid stations and strict cutoff times, and includes medical support.

A community fundraising 5K and walk in Pittsburgh supporting pulmonary hypertension research, featuring multiple age categories, kids runs and a virtual participation option.

A 12-hour open-course ultra on an approximately 1-mile private loop at Whitewater Ranch near the Mulberry Fork. Individual and 2- or 4-person team formats, RFID chip timing, aid station, crew/camping sites, finisher medal and awards.

A free trail event in Louisville GA featuring a 2 mile single track loop with trees, creek beds, and climbs. Distances include a 25K Lightly Battered, a 50K Extra Crispy, and a restricted 10K Nugget option.

A roughly 5-mile single-track trail race at Chimney Rock Park on March 28, 2026, featuring rocky single track, stream crossings, course marshals, a water stop passed twice, age-group awards, and a post-race pizza party.

A multi-distance endurance event in Niceville, Florida on March 28, 2026, featuring looped ultra and road races from 10 to 35 miles. Entry includes a shirt and swag, and proceeds support A Special Wish Foundation.

A trail race at Sleeping Giant State Park in Hamden, CT, built on a 25K loop with a 50K two-loop option. The course features technical singletrack, steep scrambles and an ascent to the Observation Tower.

Trail 5K and 10K events in Central Park of Morris County on March 29, 2026, featuring mixed-terrain cross country courses. Entry includes a long-sleeve shirt, finisher medal, and an empanada with a vegetarian option.

A spring race day at River Bends Park in Shelby Township offering an 8K trail, a 5K paved race, and a combined HOOT X 2 option; youth pricing, selectable swag, awards by age group, and on-site refreshments are included.

Trailbreaker in Waukesha on March 29, 2026 offers marathon, half, 10K, 5K, walk, ruck events, a Kiddos 1K, and The RAD, with proceeds supporting the Park Foundation and courses on local trails including the Glacial Drumlin.