Trail Running calendar near Mahwah 2026-2027

A 5th annual 3.1-mile run and 1.1-mile walk at The Church of St. Andrew in Staten Island, and the first leg of the Staten Island FALL TRIFECTA.

Trail races in Burlington CT organized by the Burlington Land Trust as a fundraiser. Courses on the Tunxis Trail cover mixed terrain and visit landmarks such as the CT State Trout Hatchery, Nassahegan State Forest, and Devil’s Kitchen.

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.

A six-hour run and relay at Belmont Lake State Park honoring Fred von der Heydt with individual and team competition on a 1.50 mile loop and commemorative apparel.

A scored 5K cross country race at Van Cortlandt Park in the Bronx on September 27, 2026, part of NYRR's fall series; includes free youth races for ages 2 to 18 and awards for top finishers across divisions.

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 Backyard Ultra trail event at Mohawk Mountain Ski Area in Cornwall, CT, featuring about 14,400' of elevation and options to run, hike or walk.

A 30 Hour looped trail event at Roosevelt Forest in Stratford CT on October 3 and 4, 2026 offering distances from 26.2 miles to 100 miles on a 2.5 mile loop with central aid at the pavilion and a finisher buckle for 100 miles.

A six-week adult cross country series in Monmouth County featuring six 5K races at local parks, with team and individual scoring and age group awards. Registration options include a full-series fee or per-race entry, with event-day registra..

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.

Run a scored 5K race through the scenic trails and varied terrain of Van Cortlandt Park. This Bronx event features divisions for all adults and free youth races for ages 2 to 18.

A community 5K and 2 Mile Walk at Garrett Mountain on October 11, 2026, with virtual and Tot Trot options; proceeds benefit the Fred Torres Memorial Scholarship Fund supporting Clifton High School athletes.

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.

Runners climb the Empire State Building's 86 flights and 1,576 stairs to the observatory in this New York tower race on 10/06/2026. Multiple entry categories are offered with different registration windows and fees.

A four day trail event in Rocky Point centered on a 10.48 mile loop, offering distances from 10 miles to 150 miles with two stocked aid stations, crew and pacer support, and weekend long cut-offs for all races.

On 10/10/2026 the Gemstone Sparkle Sprint 5k at Gemstone Farm in Wilton CT features a timed trail 5k, an accessible stroller run, live music, food and access to the farm, with proceeds supporting The Prospector's mission.