Trail Running Calendar United States 2026-2027

A 13th annual community event in Trussville, Alabama featuring an 8K trail race and an 8K ruck run/walk (20 lb minimum), with a $30 registration fee and proceeds benefiting the Troy Ellis Foundation.

Test your endurance on a 2.2 mile loop through the scenic Roosevelt Forest. This nine hour ultra event offers a supportive atmosphere for runners aiming to hit personal distance goals on classic New England trails.

A May trail running event at Possum Kingdom Lake with varied terrain, multiple looped distances from 4 miles to 69 miles, cupless aid stations, drop bags, and paced options for the longest distances.

Die to Run Ultra is the backyard ultra where a dice roll dictates your fate each hour. Runners must complete a 1 to 6 mile loop in 60 minutes to survive, with the unpredictable distance creating a unique mental challenge. The last runner st..

Three trail races at Island Lake Recreation Area near Brighton, MI include two night events and an overnight 100K that uses two loops of the 50K course. The inaugural event has a 450 runner cap and a total prize purse of $9,750.

Run the Sky Pilots Ouray Backyard Ultra in Fellin Park, completing a 4.167 mile loop each hour until one runner outlasts the field. Enjoy riverside trails, mountain views near 7,700 feet and shared aid.

Experience a unique night time trail race at Texas only lift served bike park in Burnet. Choose from various timed challenges or fixed distances including rucking and youth events under the stars.

Bluewater Canyon Trail Race is a 5 mile trail event near Bluewater, New Mexico, featuring a steep climb to canyon overlooks, three aid stations, awards for top finishers and youth, and proceeds supporting the Cibola Trail Alliance.

Experience the beauty of Letchworth State Park through a series of trail races ranging from a 5K to a full 26.3 mile marathon. Choose a solo challenge or join a relay team for a weekend of trail running in Western New York.

A towpath race at Carderock Park in Potomac, MD on May 16, 2026, offering 5K, 10K and half marathon distances; courses are described as fast and flat, walkers are welcome, and virtual entry options include medal and shirt choices.

Run for a cause on the scenic Virginia Capital Trail at the Motion for Justice 5K. This flat, paved course offers views of the James River and includes chip timing, a finisher medal, and a tech shirt. Awards recognize top overall and age gr..

A last person standing event on rugged Ragged Mountain in Berlin CT where runners repeat a roughly 3.11 mile loop each hour until one runner remains. Entry is limited to 55 and proceeds support local trail and youth running programs.

Trail races at Voorhees State Park include a 50k (five laps) and a 10k, with roughly 4,500 ft and 900 ft of elevation gain. The course is marked, has aid stations, onsite amenities, and race day registration.

A community 3 to 4 mile hike at Rainbow Mountain Trail in Montreat, NC, presented by Cancer Active. The route features steady to steep climbs and supports patient focused projects run by the Cancer Active nonprofit.

A dirt road 50k in Leyden, Massachusetts on May 16, 2026, with 4,200 feet of elevation change and a course that passes through forests, fields, and an 1870s covered bridge. Registration closes May 13 and there is no race-day entry.

Trail event in Gnaw Bone near Nashville, Indiana on May 16, 2026 offering distances from 5K to 50 miles plus relays. Courses feature 600 foot ridges, creek crossings, aid stations, post race barbecue and awards.

A 5 km cross-country event at Canterbury Shaker Village on May 16, 2026 with in-person and virtual options. Online registration closes May 15 at 12:00 noon ET and the registration fee is $25.

Trail races at Kelly's Run Nature Preserve in Holtwood on May 16, 2026 include chip timed 10K and 5K courses plus a free kids trail race of about 1.5 miles. The 10K features 1,256 feet of elevation and an aid station at Pinnacle Overlook.

Test your endurance at George Wyth State Park by completing ten 5k runs every couple of hours over a full day. Enjoy hot meals and paved trails while working toward a unique handmade finisher prize.

A community race at Oyster Creek Park on May 16, 2026 offering Kids Dash, 1 mile, chip timed 5K and 10K plus a virtual half. The event includes finisher medals, race shirts, aid stations, live awards and a free hot dog and beverage.