Trail Running calendar near Hardenburgh 2026-2027

A 4-mile trail race through Irvington Woods on October 4, 2026, starting and finishing at the Irvington High School campus; rain or shine.

Mountain trail race at Camelback Resort on October 4, 2026, run on a 2.5 mile loop with just under 900 ft of climb per loop. Options include 2.5, 5, 10 miles, a 10 mile team relay, ruck division and chip timing.

A fall trail race day in Norfolk, CT offering 5K, 10K and a half marathon with steep climbs, private-trail sections, a cupless policy with water stations, and on-site food and beverage vendors.

On October 4, 2026 the Highlander Heavy Half in Cold Spring, NY is a 13.7 mile trail race with roughly 4,000 ft of elevation gain through the Hudson Highlands. A portion of proceeds supports the NYNJTC.

Trail run at Jungle Habitat in West Milford NJ with looped singletrack, fire road and paved sections, cupless aid stations, wooden finisher plaques and a post race party.

Trailwagger at Gilbert Lake State Park on October 10, 2026 features 3, 5 and combined 8 mile courses, a two person team division, and a dog stroll. A portion of proceeds supports a local animal shelter.

Experience a scenic 5K run on the historic carriage roads of Rockefeller State Park Preserve. Support trail maintenance while enjoying autumn views of Swan Lake and rolling pastures.

Trail running at Mohawk Mountain Ski Area with 5K, 10K, half and marathon routes on ski slopes and state forest, cupless aid stations and finisher medals.

A pickle-themed Halloween obstacle event in Wallkill, NY with an adult 5K and a 1K kids course, themed medals, costumes, mud, and a community-focused Donate a Dragon 3D printing project.

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.

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

Explore the scenic trails of 100 Acre Woods in Malta, New York. This community event on October 18, 2026 features 2k, 3k, and 5k trail runs. All proceeds support local trail maintenance.

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 trail event at Muscoot Farm on October 25, 2026: a five-mile race plus two kids races, kids medals, and Farm Bucks for finishers.

A fall running event in Garrison NY with a half marathon, a 5K and a 3/4 mile kids run on trails and roads through the Hudson Highlands.

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.

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 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..

Timed trail event at Gurski Farm in Brookfield CT featuring an 8 hour race, a 4 hour option, and a 5K canicross on a 4 mile loop.