Trail Running calendar near Bronx County 2026-2027

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.

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.

NYRR Cross Country Series #2 is a scored 5K cross country race at Van Cortlandt Park in the Bronx on October 4, 2026. The event includes a free Rising NYRR kids program and a member standby registration option.

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 the Rocky Point pine barrens using a 10.48 mile loop repeated to cover distances from 10 to 150 miles, supported by two stocked aid stations and crew and pacer rules.

Experience a USATF sanctioned endurance event on a flat paved loop in New Jersey. Choose from 12 to 48 hour individual or relay options and earn a custom buckle for completing 100 miles.

A family friendly trail event on October 10, 2026 in Wilton CT offering a 5K and a short accessible run or walk, with participant perks and support for employment initiatives for people with disabilities.

Towpath races in Upper Black Eddy, PA offer 50 mile, 50K, marathon and half marathon distances on a mostly non-technical scenic course. Well stocked aid stations, finisher medals and tech shirts are provided and a portion of fees supports l..

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 single-loop trail half marathon through five parks in lower Westchester County, New Rochelle. Most of the course is on dirt and wooded trails and passes through areas with visible wildlife.

A four mile off road trail run at Spring Meadow Golf Course in Farmingdale, New Jersey on October 11, 2026. Hand held timing, a free drink ticket and a finisher gift are included; shirts and other merchandise cost extra.

An Alice in Wonderland Halloween obstacle course on October 11, 2026 in Wallkill NY offering a 5K adult OCR and a 1K kids race with finisher medals and on-site parking and restrooms.

A scenic trail 5K at Blydenburgh County Park in Smithtown, NY on October 11, 2026, with in-person and virtual options, a free kiddie dash, event tee, refreshments, and age group recognition.

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 3.5 mile trail run and walk on the scenic, flat Mill Pond Trail at Woodtick Recreation in Wolcott CT on October 17, 2026. Tiered online registration is available and a post-event meal is included with registration.

A noncompetitive winter running series of six loops totaling 66 miles along the Delaware River in NJ and PA. Limited to 100 entrants, the $15 fee includes aid station support and a handmade finisher award.

A fall trail event in Harriman State Park offering a technical **13.1M** and **10K** with steep climbs, rocky singletrack, aid stations, and adaptive support; the field is capped and proceeds support local trail maintenance.

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.

Bimblers Bluff 50K on October 18, 2026 in Guilford, CT is an off road ultramarathon over rolling forest roads and rocky single track through interconnected woodland preserves. The course does not require multiple loops and includes aid stat..