Trail Running calendar near Flemington 2026-2027

A community 5K trail race and 1 mile fun run at Tamaqua Area High School with shirts, awards for 5K finishers, and proceeds funding a memorial scholarship.

A technical trail event in Harriman State Park offering 13.1M and 10K on rugged singletrack with steep climbs, limited to 175 participants.

Trail and 5K races at Hillside Park on October 18, 2026, benefit a free mammography program. A kids fun run for ages 5 to 12 is included, with chili and vegetarian food and timing by Compuscore.

The 4th annual Chesterfield FALL Terrain 5K at Fenton Lane Park on October 18, 2026 features a 5K run/walk and a 1 mile Fun Dash, supports local charities, offers custom race shirts and age group awards.

Trail races at Parvin State Park offer a half marathon and a 6 hour lap event on a mostly trail lollipop loop. The event is cupless and uses an aid station at the start and finish.

Trail ultramarathon in Titusville, NJ offering 50K and 25K routes through Washington Crossing Park and Baldpate with aid stations and a technical Rock Hopper section.

Trail race in Pottstown, PA offering 15k and 30k on technical park trails with rocks, roots and varied single and double track. Aid stations provide fruit, packaged snacks and hot options; custom and self supported fueling is allowed.

A costume 5K and 1 mile fun run through the woods of Poricy Park on October 24 2026 raising funds for 180 Turning Lives Around.

A community 5K in Massapequa Park on October 24, 2026 featuring a scenic course through Massapequa Preserve, awards, post-race food and live results.

25K trail race at Ridley Creek State Park in Glen Mills PA with about 1800 feet of climbing, three aid stations, a five hour limit, and awards for top finishers.

An age-group graded 5.5-mile trail race at Frances Slocum State Park on October 25, 2026, run mainly on grass and earth. Pre-registration is required; the entry fee is $10 and online registration closes October 23.

Inaugural Barnyard Squatch 5K in Blairstown NJ, a hilly 5K trail that passes rescued farm animals with donations supporting The Barnyard Sanctuary.

Half marathon and 5K in Garrison NY through Hudson Highlands and past Osborn Castle with proceeds supporting Friends of Philipstown Recreation.

Obstacle course weekend at Sunflower Valley Farm near New Hampton NY with Sprint 5 km, Super 10 km, kids races, Hurricane Heat formats and spectator options.

A costumed 5K trail run and walk at Van Scott Nature Reserve on October 31, 2026 with in-person and virtual options to raise awareness for Pregnancy and Infant Loss Awareness Month. Includes a costume contest, water stations, and family act..

A Halloween-themed 5K and 1 Mile at Arasapha Farms in Glen Mills that benefits the Edgmont Township Fire Company No.1, with timed 5K results, commemorative shirts, safety costume rules, and a monster costume contest.

A measured, professionally timed out-and-back race in Oaks PA on Nov 1, 2026 offering 10K, 5K and one mile options to support Tourette Syndrome awareness.

Experience a single loop marathon or half marathon on historic carriage roads in the Rockefeller State Preserve. Enjoy views of the Hudson River and stone bridges on a course with no pavement or cars.

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 six-hour trail challenge in Coatesville where runners complete a timed 5K each hour, aiming to finish six laps for a medal and national ranking.