Trail Running calendar near Sussex County 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 technical trail half marathon and steep 10K in Harriman State Park with significant elevation gain. Registration supports the New York and New Jersey Trail Conference and hardship and discount options are available.

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.

A community 5K run and 1 mile fun dash at Fenton Lane Park in Chesterfield on October 18, 2026, supporting local charities. The event includes race shirts, custom medals for top finishers, post race refreshments and posted results.

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 Spartan obstacle weekend at Sunflower Valley Farm in New Hampton, NY featuring Sprint, Super, Kids races and Hurricane Heat formats across woods, mud, fields and creek runs. Team entries and GOVX discounts are available.

Experience the Fall Back Into The Trails Series at Red Wing Recreation Area in Lagrangeville. Choose from 100k, 50k, or 10k distances featuring a loop course with elevation gain. This UTMB Index event offers medals and awards.

A timed trail event at Gurski Farm on a 4 mile loop of single track and farm trails. Options include an 8 hour race, a 4 hour race and a 5K plus 5K canicross; the event is cupless with aid at start finish.

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.

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.

Fall Back is the autumn edition of The Long Run at Jacobsburg State Park, run on a roughly five mile loop of single track and gravel. Options include one lap or as many laps as possible in three or six hours.

A trail running event at Ward Pound Ridge Reservation with a ten kilometer race and a November 100 kilometer virtual challenge. The course features rocky climbs, ridgeline views, and a custom finisher woodallion for challenge completers.

A charity 5K run, 1 mile walk and virtual 5K on November 8, 2026 in Central Park of Morris County to raise funds for housing stability organized by Family Promise of Morris County.

A charity trail event at Hillside Park on November 8, 2026, offering 10 km and 5 km races to benefit a free digital mammography program, with race timing, age-group medals and participant T-shirts.

A multi-loop trail event on Staten Island offering a half marathon, 50K, and 50-mile courses that pass through Blood Root Valley, High Rock Park, and La Tourette Park, with proceeds supporting the Greenbelt Conservancy.

Experience the diverse terrain of South Mountain Reservation with a looped trail race offering 5K, 10K, and half marathon distances. Enjoy a mix of single track and fire roads with support provided at regular aid stations.

Trail races at Tarrywile Park in Danbury, CT offering 10K, half and marathon on technical single track with significant elevation. Finisher medals, awards and a cash bonus for fast half marathoners.

A *5 miles* lollipop loop trail race in Lewis Morris Park, Morristown NJ, run mostly on the Yellow Trail with roughly 600 feet of elevation gain. The event limits entries to 120 runners, uses cupless stations and hemp bibs, and offers free..