Trail Running calendar near Hardenburgh 2026-2027

Trail ultramarathon in Milford, PA along the McDade Trail offering 50K and 25K out and back courses from Smithfield Beach. The route is mostly flat cinder rail trail with some singletrack, three aid stations, and a cupless policy.

A community 5K on September 27, 2026 in Dolgeville along the Greenway Trail. Registration has a $25 fee with children under 12 free; proceeds fund free sports equipment for local youth.

A trail running event in Gardiner, NY offering a 5 km run, an optional 10 km two-lap route and a 200 yard kids run, with pre registration T shirt incentives and a sneaker recycling program.

Experience a massive endurance test at Mohawk Mountain Ski Area. This ultra trail event features a 152 mile course with over 72,000 feet of elevation gain to be completed within 84 hours.

Test your limits on a flat one mile loop at the Sussex County Fairgrounds. Choose from 6 to 72 hour timed races or certified marathon and 50K distances with full kitchen and shower access.

A 15 mile trail event at Mohawk Mountain Ski Area in Cornwall, Connecticut on October 3–4, 2026, offering 7,140' of elevation gain and a 12 hour time limit. Participants may run, hike, or walk; the event is produced by a veteran owned compa..

A timed endurance running event in Cohoes, NY on October 3, 2026 offering 6 hour, 3 hour and 1 hour options plus relays. It benefits Flutters of Hope, a nonprofit supporting people and families affected by eating disorders.

A four mile trail race through Irvington Woods on October 4, 2026, with varied terrain including climbs and stairs; start and finish at Irvington High School. Registration runs March 15 to September 4 with a $40 fee.

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.

The Haystack Mountain Challenge on October 4, 2026, features a 5K, 10K and a half marathon across Barbour Woods and Haystack Mountain, with steep climbs, private trail sections, a cupless policy, water stations and on site refreshments.

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.

The Trailwagger is an October 2026 trail event at Gilbert Lake State Park in Laurens, NY with 3 mile, 5 mile, combined 8 mile and two person team options plus a dog stroll. A portion of proceeds supports Super Heroes Humane Society.

Experience a trail race at Mohawk Mountain Ski Resort featuring distances from 5k to a full marathon. Run through fall foliage on a course that includes steep ski slopes and the scenic Mohawk State Forest.

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.

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.

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 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.