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.

Scary Rat Race is a 4 mile off road trail run at Spring Meadow Golf Course in Farmingdale, NJ on October 11, 2026, featuring hand held timing, a finisher gift, free registration, and event merchandise for sale.

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 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.

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.

An off-road 50K starting at Guilford Lakes School that runs through linked woodland preserves on rocky forest road and single-track terrain. The course avoids repeated loops and recommends recent marathon-level experience.

A community run at Ives Farm hosted by Cheshire Community YMCA and Cheshire Land Trust. Features a trail 5K, a youth Y Cup relay with elementary teams, a free Pumpkin Dash for young children and family fall activities.

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.

A 5K Run / Walk and Kids Fun Run at Hallock State Park on October 25, 2026, with a virtual 5K option. Proceeds support the Long Island Greenway and include a post-race wine crawl with vendor specials for participants 21 and over.

Trail races in the Hudson Highlands near Garrison NY featuring a Half Marathon, a 5K that follows river and historic paths, and a kids costume run on the recreation center grounds.

The Tri-State New York Spartan Event Weekend at Sunflower Valley Farm on Oct 31-Nov 1, 2026 offers Sprint, Super, Kids races, Hurricane Heat formats, wooded muddy terrain, creek runs, and Spartan obstacles for competitors and spectators.

Trail races at Red Wing Recreation Area in Lagrangeville, NY featuring 100k, 50k and 10k looped courses with significant elevation, on-course aid, and finisher awards.

November 2026

Experience a unique timed trail event at Gurski Farm featuring a four mile loop of rolling farm trails and single track. Choose between eight hour, four hour, or 5K options in a community focused environment.

A 10K trail race in Penwood State Park featuring technical single track on the Metacomet Trail and rocky runnable terrain. No aid stations so runners must carry hydration for 6.2 miles; proceeds partly support NAMI.

Experience a single loop marathon or half marathon on historic carriage roads in the Rockefeller State Preserve. Enjoy views of the Hudson River and stone bridges on a course with no pavement or cars.

A trail event at Ward Pound Ridge Reservation featuring a marked 10k race and a monthlong Raven 100k November Challenge. The course includes rocky climbs, ridgeline trails and a water stop near the Fire Tower climb.

A 5k chip-timed run/walk at Stonington Vineyards on November 8, 2026 featuring a two-lap cross country route through the vines. Registration includes a shirt, collapsible wine glass, finisher medal and a pour of wine.

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