Trail Running calendar near Mount Gretna 2026-2027

Experience the beauty of RB Winter State Park with a half marathon or four mile trail race. Enjoy a community atmosphere with post race food and music while supporting local organizations.

Experience the oldest trail race in the county with 10 miles of rocky terrain, steep hills, and river views. This historic event offers a technical point to point course through the scenic landscapes of Eastern Pennsylvania.

A chip-timed, multi-hour running event at Marzella Farm in Lykens, PA, held October 2–3, with one-mile laps on mostly grass terrain, on-site camping, a stocked aid station, and awards including a post-event sweatshirt or blanket.

Run-A-Muck at On Point Farm offers a 5K run or a cross-country muck walk with food, live music, family activities, sensory bags for accessibility, and proceeds that support preservation of the Willistown countryside.

Goliathon is a 3.5 mile Ninja Warrior style nonprofit obstacle course at Gloucester County Fairgrounds in Mullica Hill, NJ. The course has 12 obstacles with three difficulty tiers and raises funds for clean water projects.

Trail-based five mile race and two mile fun walk at Camp Innabah in Spring City, PA on October 3, 2026. Proceeds support summer camping programs and scholarships, with a pancake breakfast and awards for overall and age groups.

Experience the autumn foliage during a scenic trail run through the historic Boal Estate and local nature preserves. Enjoy a festive atmosphere featuring a hills course for adults and a short loop for children.

Experience a technical trail race through the historic Glenroy Preserve. Choose between five mile, 25K, and 50K loops featuring creek crossings, rolling hills, and post race celebrations.

Trail races of 5K and 10K at Williamsport Water Authority feature singletrack, scenic views, and one aid station at Green Bridge; proceeds benefit the Think Big Pediatric Cancer Fund and race swag is guaranteed for the first 200 registrants..

A trail event in Bald Eagle State Forest with a hilly half marathon and a 10K through Poe Valley's steep singletrack and stream crossings. Aid stations, themed finisher awards, and a post race soup gathering complete the program.

A 50K trail ultramarathon around Blue Marsh Lake near Reading, PA with rolling hills, single track and a notable climb. Relay teams of 2 to 4 split four legs; aid stations, camping and a post race buffet are provided.

Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.

Trail running at Lums Pond State Park with 12 hour solo and relay formats plus 24 km and 12 km lake laps. The course mixes single track, gravel and wider trails, features aid stations, chip timing and age graded results.

A trail ultradistance event in Patapsco Valley State Park near Baltimore on October 24, 2026, offering 50k and 25k distances plus virtual options through November 24. Race headquarters is at CCBC Catonsville, with aid stations and finishers..

A fall trail event in Rothrock State Forest offering a 50 mile ultra, 50 km, half marathon, relays, and a kids run, with stocked aid stations and significant elevation gain.

Ridley Creek State Park 25K in Glen Mills PA is a single loop trail race with about 1800 feet of climbing and a five hour cutoff. Three aid stations provide fluids and snacks and cash prizes are offered for top finishers.

Experience an off-road race weekend at Yeager’s Farm & Market featuring 4 and 10 mile trail runs. Enjoy a local atmosphere with post-race beer and bagels and earn a unique long sleeve tech shirt.

A community 5K trail run and 1.4 mile walk in Newtown Square that raises funds for an entrepreneurship endowment at UC Berkeley, with age-group awards, participant apparel, food, music, and family activities.

A trail event at Jacobsburg State Park on a roughly five mile loop of single track and gravel. Runners do one loop or repeat for three or six hour time limits; spring and fall editions use opposite directions.

A trail and gravel running event in Wissahickon Valley Park offering 10 km, 10 mile and half marathon options with chip timing, aid stations, limited field size, and a post-race party with live music and warm food.