Trail Running calendar near Hardenburgh 2026-2027

A 26 mile point to point trail race in the Slide Mountain Wilderness with nearly 7,000 feet of vertical gain. Multiple aid stations, post race refreshments, and proceeds support Run Wild, Inc.

50K and 25K trail races on the McDade Trail in Milford, PA, starting at Smithfield Beach. The out and back route is mainly rail trail cinder with 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 24 hour trail event at Mohawk Mountain Ski Area in Cornwall Connecticut featuring a Double Kuwohi route of about 28 miles and 13,685 feet of elevation. Participants may run, hike, or walk.

A timed endurance run in Cohoes, NY on October 3, 2026 offering 6 hour, 3 hour, 1 hour and relay options while supporting Flutters of Hope, a nonprofit for those 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.

A 13.7 mile trail race in Cold Spring, NY on October 4, 2026, featuring about 4,000 ft of climbing through the Hudson Highlands during peak foliage. The event is an UTMB Index Race and 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.

A non-profit off road 5K at the Hudson Highlands Nature Center in Cornwall NY on October 17, 2026. The route passes ponds, meadows, grassy paths and wooded trails while supporting nature-based education; 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.