Trail Running calendar near Morristown 2026-2027

A scenic **5K** trail run and walk at Blydenburgh County Park on October 11, 2026 with in-person and virtual options. Participants receive a race tee, on course hydration and age group recognition while proceeds benefit a local running foun..

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 non competitive winter running series of six loops totaling 66 miles along the Delaware River in NJ and PA from October 2026 to February 2027. Limited to 100 registrants, includes aid stations and a handmade finisher award.

HHNC Meadows & Trails 5K is an off road 5K at Hudson Highlands Nature Center in Cornwall NY on 10/17/2026, featuring meadows, ponds, wooded trails and views of Black Rock Mountain. Entry is $35 and children under 18 run free.

The Livingston Oval Marathon will take place in Livingston on Saturday 17 October 2026. You can run between 21 and 42 kilometers.

Big Bear SquaTch South is a trail running event at Harriman State Park on October 18, 2026 offering a technical half marathon and a 10K with steep climbs, marked courses, aid stations, and capped fields.

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 ultramarathon in Titusville, NJ with 50K and 25K courses that start and finish at Washington Crossing Park. The 50K features technical Rock Hopper trails and multiple aid stations.

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 trail-based 5K and family 1 mile fun run in Poricy Park with a Halloween costume theme and prizes, raising funds for 180 Turning Lives Around. Options include a timed 5K, a fitness walk, and a family fun run.

A trail event at Muscoot Farm on October 25, 2026 featuring a 5 mile race plus two kids courses for ages 7 to 12 and 6 and under. Packet pickup and parking are provided and participants receive Farm Bucks and kids medals.

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.

Trail half marathon, 5K and a kids fun run in Garrison, NY on October 25, 2026, benefiting the Friends of Philipstown Recreation. The courses run through Hudson Highlands State Park and pass Osborn Castle on private property reserved for re..

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.

Tri-State New York Spartan Event Weekend at Sunflower Valley Farm offers Sprint, Super, Kids races, Hurricane Heat formats, and spectator access with courses through woods, fields and creek runs featuring mud and Spartan obstacles.

A trail running event at Red Wing Recreation Area near Lagrangeville, NY, offering 100k, 50k and 10k looped courses with on-course aid, finisher medals and awards for top male and female finishers.

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..