Trail Running calendar near New Brunswick 2026-2027

Experience Long Islands scenic Robert Moses Causeway in this multi day running event. Support local veterans while choosing between marathon, half marathon, 10k, and 5k distances with finisher medals for all participants.

A community cross-country 5K in Haddonfield on October 17, 2026 with pre-race packet pickup, onsite registration options, entrant T-shirts, awards by overall and age groups, and accommodations for visually impaired participants.

A fall trail event in Harriman State Park offering a technical **13.1M** and **10K** with steep climbs, rocky singletrack, aid stations, and adaptive support; the field is capped and proceeds support local trail maintenance.

A Halloween themed event on Clinton Road in West Milford, NJ offering a 1 mile Zombie Crawl plus 5k and 10k races. The course features zombie volunteers, themed aid stations, and a finish line festival with awards and a costume contest.

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.

A trail ultramarathon at Washington Crossing Park on October 24, 2026, offering 25K+ and 50K courses across historic, technical singletrack with multiple aid stations and finisher swag.

Experience a unique trail race through the forests and meadows of Muscoot Farm. Enjoy distances for all ages followed by a visit to the local farmers market with your farm buck vouchers.

A single-loop 25K trail race in Ridley Creek State Park on October 25, 2026, with about 1,800 feet of climbing, three aid stations, a five-hour time limit, and prizes for top finishers.

The inaugural Barnyard Squatch 5K is a hilly trail race across The Barnyard Sanctuary's nearly 200-acre property in Blairstown, NJ, with over 500 feet of climbing and a route past rescued farm animals. All donations go to the sanctuary.

A weekend Spartan obstacle event at Sunflower Valley Farm featuring sprint, super, kids races and Hurricane Heat formats across muddy woods and creek runs, with team entry options and service-member discounts.

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 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 8K and 5K at Unionville Vineyards on November 8, 2026 with chip timing, live results, onsite music, post race wine, and awards. Walkers and children are welcome and the event includes water stations and post race amenities.

A timed trail event at Jacobsburg State Park on a roughly 5 mile loop of single track and gravel. The Fall Back edition runs the course in reverse and offers 5 mile, three-hour, and six-hour formats.

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.

A trail event at Ward Pound Ridge Reservation combining a 10 kilometer trail race with a November virtual 100k challenge, volunteer support, postrace results, and a finisher woodallion for reported 100k totals.

A community 5K and 1 mile walk on November 8, 2026 at Central Park of Morris County supporting Family Promise of Morris County, with in-person and virtual 5K options and age-group awards.