Trail Running calendar near Stamford 2026-2027

We have found 165 Trailruns within 80 miles of Stamford. See below where and when you can find the races.

A running race at Mohawk Mountain Ski Resort in Cornwall CT on October 11 2026, organized by Steep Endurance in cooperation with the ski area, with entry fees ranging from 30 to 95 USD.

A single-loop trail half marathon through five parks in lower Westchester County, New York, with most of the route on dirt under tree cover. Part of the Trail Mix Series and noted for varied wildlife along hidden trails.

Run or walk through the scenic trails of Blydenburgh Park this autumn. Participants enjoy a 5K trail course complete with seasonal treats and commemorative event swag.

A New Jersey trail running series offering distances from 5k to 50k, including the Scary Rat Race four mile at Allaire State Park on October 11, 2026. Events feature off road courses, timing, awards, finishers items, and a charity beneficia..

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 fall trail running event at Harriman State Park on October 18, 2026 offering a technical **13.1M** and a hilly **10K**, with marked singletrack, two aid stations for the half, a five hour finish cutoff, and limited field size.

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 through interconnected woodland preserves in southern Connecticut, featuring rolling forest roads and rocky single track. The event is nonprofit and proceeds support local land conservation, with volunteer roles for aid stat..

A fall trail event at Muscoot Farm in Katonah on October 25, 2026 featuring a five mile trail race and two kids races. Participants receive Farm Bucks for the farmer's market and shirts are available by preorder.

A weekend Spartan obstacle event at Sunflower Valley Farm on October 31 and November 1, 2026 featuring Sprint, Super, Kids races and Hurricane Heat formats across woods, mud and creek runs, with spectator access and medals for finishers.

Experience the Fall Back Into The Trails Series at Red Wing Recreation Area in Lagrangeville. Choose from 100k, 50k, or 10k distances featuring a loop course with elevation gain. This UTMB Index event offers medals and awards.

November 2026

This 8-hour timed trail run takes place on the rolling farm trails at Gurski Farm in Brookfield, CT. Runners complete as many laps as possible on a course featuring single track. It offers a community atmosphere where participants frequentl..

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.

A trail running event at Ward Pound Ridge Reservation with a ten kilometer race and a November 100 kilometer virtual challenge. The course features rocky climbs, ridgeline views, and a custom finisher woodallion for challenge completers.

USATF Long Island hosts Open, Masters and Para Athletic cross country championships over an 8K course on November 8, 2026. Online registration is closed.

A fundraising event at Central Park of Morris County featuring a 5K run, a 1 mile walk and a virtual 5K, with proceeds supporting efforts to end homelessness and increase housing stability in the county.

A multi-loop trail event on Staten Island offering a half marathon, 50K, and 50-mile courses that pass through Blood Root Valley, High Rock Park, and La Tourette Park, with proceeds supporting 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.

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