Trail Running Calendar United States 2026-2027

A technical trail race on the Wapack Trail in Ashburnham, MA on May 9, 2026, offering 21.5, 43 and 50 mile options over rocky single track and significant elevation. Registration is limited, manually timed, and nonrefundable.

Run or walk through conifer forests and along coastal bluffs in Point Arena. This sustainable 5K trail event supports local environmental education and youth stewardship on the Mendocino Coast.

Experience USATF certified courses through Cape Henlopen State Park and historic Fort Miles. Choose between running, walking, or a heavy march to support veterans in this scenic Delaware event.

Trail races in the Jemez Mountains near Los Alamos offering 15 Miler, 50K and 50 Miler distances on technical, high altitude terrain. The event enforces mandatory gear, charges specific entry fees, and maintains a waitlist with limited part..

Experience a premier obstacle course and mud run in Kennedyville, Maryland. Choose between the 5-7 mile Savage Race or the 3+ mile Blitz featuring over 25 unique obstacles and earn exclusive Syndicate medals.

Experience the Oktoberfest of trail running at Pennypack Park in Philadelphia. Enjoy a fast runnable course with distances of 25K 50K and 50 miles featuring German snacks accordion music and a festival atmosphere.

A community 5k at Boone Hall Plantation & Gardens benefiting Southern Paws Animal Rescue. Entry can be reduced by bringing animal food and packet pickup is available the day before at Charleston Sports Pub.

A full marathon in Holdingford, MN on May 9, 2026 with a 500 runner field limit and a strict six hour time limit. A virtual marathon option with separate registration is available.

A trail running fundraiser at Oak Mountain State Park with multiple distances including a 12 Hour Challenge and a 10K, plus a free kids half mile. Proceeds beyond basic expenses support Smile A Mile.

Join the 10th annual trail run at the Crystal Lake Outdoor Center. Choose from a 5k or a 25k on scenic cross-country trails. All proceeds support the non-profit center's operations.

Experience a weekend of desert backcountry racing in Fruita with trail running, mountain biking, and gravel events. Join the community at 18 Road for competitive races, skills clinics, and outdoor festivities.

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Explore the trails of Bainbridge Island. This May event offers 10K and 5K courses through Battle Point Park, the Forest to Sky Trail, and the Grand Forest, plus a Kids Fun Run. All proceeds support local trail development.

Run the scenic trails of Independence Oaks County Park at the Crooked Lake Trail Run. Choose from a flat 2.3-mile loop, a rolling 5K, or a challenging 10K on well-maintained paths. Your registration supports the Trecho Fitness Foundation.

This community trail run in Norman's Ruby Grant Park supports local recovery programs. Choose from a 5K or a 1 mile walk/run on a mostly flat course of grass, sidewalk, and gravel. All finishers receive a custom medal, and 5K participants g..

Trail races in Susanville, California featuring 50K, 50K relay, 30K, half marathon and 4.5 mile courses through pines and meadows. The cupless event includes stocked aid stations and a free 1 mile kids trail race.

A backyard ultra in Wingate, IN on May 9, 2026 where runners repeat a 4 miles 880 feet out and back loop each hour on road, gravel and grass until one runner completes more loops than any other.

A trail event at Camp Tuscazoar in Dover Ohio offering 9ish, 25k and 50k courses on single track, bridle trails and short gravel sections, with well stocked aid stations, a cupless policy, and gnome themed finishers awards.

Popple Shoot Trail Races in Minong, Wisconsin on May 9, 2026 offers four trail distances from 10K to 87K across gravel trail, ATV trails and county roads. Multiple aid stations are provided and awards are given by overall and age divisions.

Trail event in Tunkhannock on May 9, 2026 offering a rugged 25K with ~4,700 feet gain and a steep 5 Mile with ~2,000 feet gain; aid stations, finisher gifts, and proceeds benefit local charities.