Trail Running calendar near Williamsport 2026-2027

We have found 115 Trailruns within 80 miles of Williamsport. See below where and when you can find the races.

A second annual 5K at Cacapon State Park benefiting the Humane Society of Morgan County, offering in-person run and walk options plus a virtual entry. New course, awards ceremony, and a free post race pup swim in the lake.

A women only trail event at Fountainhead Regional Park offering a half marathon and a 10k plus on September 12, 2026. Registration runs June 8 to September 1 and two training runs are scheduled in August.

A trail event at Codorus State Park offering a 40-mile ultra, 40-mile team relay, and a 25K around a 5.72-mile looped course, with stocked aid station fare, camping nearby, year-by-year course direction, and awards for top finishers.

The Final Countdown Tribute at Amani Brewing in Martinsburg WV uses a 1.33 mile loop where allowed lap time shortens each circuit, eliminating runners until one remains.

Woodstock Warrior on September 19, 2026 is a multi-distance trail event at Seven Bends State Park near Woodstock, VA. The race uses a roughly 10 mile mixed-terrain loop with options up to 100 miles and a Last Man Standing Ruck.

Run for conservation at the Ned Smith Center with a choice between a 5k creek-side trail or a 700-foot mountain climb followed by a festival with live music and local beer.

A trail running event at Pine Grove Furnace State Park on September 19, 2026, offering a 50K, 20 Miler, and Half Marathon through northern Michaux State Forest with multiple aid stations, drop bag and crew options, and race day registration..

A multi-surface 5K run and walk on the Laurel Ridge Community College Middletown campus; family friendly and open to walkers. A portion of proceeds will support the Recovery Connection Scholarship and registration costs $30.

An in-person event on September 26, 2026 in Brunswick, MD featuring a trail-based 5K and timed 3-hour and 6-hour challenges on a 5 mile loop. Proceeds support Brunswick High School Track and Field equipment.

Trails 4 Miles at Sherando Park on September 26, 2026 features a mixed-surface four-mile trail race, an untimed one-mile out-and-back on a paved path, and a new 5.3 mile mountain bike time trial, with proceeds to the I’m Just Me Movement.

A 33.3 mile single loop trail run in the George Washington National Forest featuring a climb of Big Schloss with 360 degree views and three aid stations. Entry is limited to 60 runners and opens August 3, 2026.

An annual 5K hosted by Cancer Warriors Inc. in Baltimore on September 26, 2026, featuring an out-and-back course on the Ma & Pa Trail, a virtual 5K window in early September, and proceeds supporting cancer research.

A point to point 50 Mile ultramarathon on the Laurel Highlands Hiking Trail with a five person relay option and multiple aid stations. The event benefits the Pennsylvania Parks and Forest Foundation and finishes in Ohiopyle.

A *3 mile* Reunion Run at Hereford High School as part of the Bull Run Cross Country invitational. The race is open to all ages and carries a $10 registration fee, with registration listed from August 24 to September 26.

Experience a supported long distance run on the hardpacked dirt and gravel of the Torrey C. Brown Trail. This twenty mile event serves as an ideal training opportunity for those preparing for a fall marathon.

An annual community 5K run and walk at Agricultural History Farm Park in Derwood, Maryland on September 27, 2026, organized by MD District 15 Democratic Caucus. Offers adult and youth entries plus a free youth option with an accompanying ad..

October 2026

A 110-mile trail ultramarathon in the Massanutten range with about 22,300 feet of elevation gain, a 48-hour limit, required second-half crew support, and multiple staffed and unattended aid stations.

A multi-event trail day at Duman Lake County Park on October 3, 2026 featuring a marathon, 15 mile race, several 5k options including an AWD division, a novelty 0.0k, and a casual 26.2 mile group bike ride.

A community charity race in Gaithersburg on October 3, 2026, featuring cross-country 10K and 5K, a paved 1-mile accessible fun run, and a kids Trike-A-Thon. Proceeds support Comfort Cases and Covenant Life School and include a post-race bac..

An endurance event in Prince William Forest Park on October 3, 2026, featuring a 6.5 mile figure eight loop with a 30 km option, a 12 hour format, and a two person relay. The course is fully on trail with two aid stations and limited to 100..

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