Trail Running calendar near Smithtown 2026-2027

We have found 132 Trailruns within 80 miles of Smithtown. See below where and when you can find the races.

A community 5K and 1 mile walk on November 8, 2026 at Central Park of Morris County supporting Family Promise of Morris County, with in-person and virtual 5K options and age-group awards.

The 46th HASHATHON 6-Mile Treacherous Trail Run takes place at Cheesequake State Park on November 8, 2026, featuring a single 6-mile trail race, same-day bib and shirt pickup, post-race beer and pizza, and awards with charity proceeds.

A trail running event on Staten Island with 50 mile, 50K and half marathon loop courses through the Greenbelt, featuring staffed aid stations and support for the Greenbelt Conservancy.

Experience the diverse terrain of South Mountain Reservation with a looped trail race offering 5K, 10K, and half marathon distances. Enjoy a mix of single track and fire roads with support provided at regular aid stations.

Trail races at Tarrywile Park in Danbury, CT offering 10K, half marathon and marathon options on technical single track; the half uses a loop with close to 3K of elevation and a cupless race policy.

A scored 5K cross country race at Van Cortlandt Park on November 15, 2026, as part of the NYRR series. The event includes youth Rising NYRR activities, live runner tracking via the NYRR app, and on-site awards for top finishers.

Experience a magical 13.1 mile trail race through the rolling hills of Roosevelt Forest. Complete eight loops of a wooded course while supporting a children's book drive in this unique costume friendly event.

Trail races at YMCA Camp Sloper on a roughly two-mile loop: a 400 minute time-limit event with loop counting and a four mile two-lap race, chip timing, a single aid station, cupless policy, and proceeds to local organizations.

Regional cross-country meet in Holmdel, NJ on November 21, 2026, featuring multiple 5K races and a 3K youth race. Top 10 boys and girls in the championship race qualify for the Brooks XC Nationals in San Diego.

A *5 miles* lollipop loop trail race in Lewis Morris Park, Morristown NJ, run mostly on the Yellow Trail with roughly 600 feet of elevation gain. The event limits entries to 120 runners, uses cupless stations and hemp bibs, and offers free..

A community Thanksgiving trail event on 11/26/2026 at Mill Pond Way Trail with a 3.5 mile run or walk, chip timing, post race yoga for participants, free water and snacks, and proceeds benefiting endometriosis research.

A community 5K run/walk through Inwood Hill Park with live results, free finish-line photos, awards for the top two men and women, and proceeds supporting the Inwood Food Pantry.

A ninth annual charity 5K in Roxbury, Connecticut on November 26, 2026, with a 3.1 mile out-and-back course near Everett B. Hurlburt Community Park. Proceeds support local ambulance and scholarship funds and a food pantry collection.

A November trail party at South Mountain Reservation offering looped distances from a Kids 1M to a 50K, varied carriage roads and singletrack, on-course aid at the start/finish, adaptive support, and a charity partnership with Bigger Than T..

Experience a 5K trail race through the scenic Stillwell Woods Preserve in Woodbury. This event honors the memory of Rob Lauterborn and supports the Center for Developmental Disabilities.

December 2026

Challenge yourself on the historic Tower Trail at Sleeping Giant State Park. Choose between 4 or 8 hours to complete as many 3.3 mile loops as possible on this scenic gravel path to the Observation Tower.

Trail races at South Mountain Reservation feature 5K, 10K and 13.1 miles on looped courses over fire roads, single track, hills and pavement, with aid about every three miles and race day registration available.

An ultramarathon in Prospect Park, Brooklyn on December 6, 2026 offering 50K and 50 mile looped courses with potluck-style aid, Skratch Labs hydration, chip timing, and finisher belt buckles.

A novelty one mile event on December 6, 2026 in West Orange, NJ combining four cycles of drinking eight ounces of egg nog while stationary then completing a quarter mile loop. Dairy and Non-Dairy divisions are offered.

A multi-loop trail event at Holmdel Park featuring a roughly 4.65 mile lap, mostly trail terrain, timed laps with an 8 hour cutoff, and proceeds supporting MissionCleanWater.

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