Trail Running calendar near Sleepy Hollow 2026-2027

A four mile off road trail run at Spring Meadow Golf Course in Farmingdale, New Jersey on October 11, 2026. Hand held timing, a free drink ticket and a finisher gift are included; shirts and other merchandise cost extra.

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 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.

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.

An off road 50k around Guilford, Connecticut, on rolling forest roads and rocky single track. The not for profit race supports local land conservation, awards finishers within a 10 hour limit, and offers volunteer opportunities.

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.

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.

A community trail event at Ives Farm featuring a 5K trail race, a youth team relay, and a free kids Pumpkin Dash, plus family activities and proceeds supporting local YMCA and land trust projects.

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 5K Run / Walk and Kids Fun Run at Hallock State Park on October 25, 2026, with a virtual 5K option. Proceeds support the Long Island Greenway and include a post-race wine crawl with vendor specials for participants 21 and over.

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 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.

Trail races at Red Wing Recreation Area in Lagrangeville, NY, featuring 100k, 50k and 10k looped courses with notable elevation. The 50k and 100k are UTMB Index races and all finishers receive custom medals.

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..

Experience a unique timed trail event at Gurski Farm featuring a four mile loop of rolling farm trails and single track. Choose between eight hour, four hour, or 5K options in a community focused environment.

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.

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.