Trail Running calendar near Cornwall 2026-2027

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.

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.

The HHNC Meadows & Trails 5K will take place in Cornwall on Saturday 17 October 2026. You can run 5 kilometers.

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.

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.

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.

Experience a unique trail race through the forests and meadows of Muscoot Farm. Enjoy distances for all ages followed by a visit to the local farmers market with your farm buck vouchers.

The inaugural Barnyard Squatch 5K is a hilly trail race across The Barnyard Sanctuary's nearly 200-acre property in Blairstown, NJ, with over 500 feet of climbing and a route past rescued farm animals. All donations go to the sanctuary.

A weekend Spartan obstacle event at Sunflower Valley Farm featuring sprint, super, kids races and Hurricane Heat formats across muddy woods and creek runs, with team entry options and service-member discounts.

A trail race weekend at Red Wing Recreation Area in Lagrangeville, NY offering 100k, 50k and 10k loop formats with on-course aid and finisher awards; the 50k and 100k are UTMB Index races.

A costumed 5K trail run and walk at Van Scott Nature Reserve on October 31, 2026 with in-person and virtual options to raise awareness for Pregnancy and Infant Loss Awareness Month. Includes a costume contest, water stations, and family act..

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 at Penwood State Park in Bloomfield, CT on November 1, 2026. The rolling loop follows mostly technical single track on the Metacomet, Orange and Yellow trails, has no on course aid station and a three hour cutoff.

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 8K and 5K at Unionville Vineyards on November 8, 2026 with chip timing, live results, onsite music, post race wine, and awards. Walkers and children are welcome and the event includes water stations and post race amenities.