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Trail Running Calendar near Danbury 2026-2027

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Explore the top trail runs near Danbury for 2026-2027! We've gathered 40 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

October 2026
A 30 hour loop ultrarun in Roosevelt Forest CT on 2.5 mile laps offering distances to 100 miles with a finisher buckle and a single pavilion aid station.
Trail races at Great Hollow Lake on October 3, 2026 including timed 5K and 12K, a Kids Fun Run and virtual options on a mostly shaded course.
Trail half-marathon in Cold Spring, NY on October 4, 2026 covering 13.7 miles with 4,000 ft of climbing through the Hudson Highlands; proceeds help NYNJTC.
A 5K trail run and an accessible short run/walk on private Gemstone Farm in Wilton, CT on 10/10/2026, with farm access, post-event food and entertainment, supporting The Prospector.
A scenic October 5K on the carriage roads of Rockefeller State Park Preserve with hilly terrain, awards, and proceeds supporting carriage road maintenance.
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.
Trail running at Muscoot Farm with a 5 mile race and two kids races on October 25, 2026 in Katonah, NY.
Trail half marathon and 5K in the Hudson Highlands with a kids costume run and aid stations for the half.
Trail ultramarathon weekend in Lagrangeville with 100k, 50k and 10k looped courses, UTMB Index status and continuous on-course aid.
November 2026
Experience a community-focused trail race featuring a 4 mile loop of rolling farm trails and single track with timed options, a 4 mile distance, and a 5K Canicross.
A trail 10k at Ward Pound Ridge Reservation on November 8, 2026 plus a monthlong November Raven 100k Challenge with a wooden finisher medallion.
A 100 percent cross country 5K at White Memorial Foundation & Conservation Center in Litchfield with natural trail footing, a midcourse hill, on-site outhouses, and Sawmill Field parking.
Inaugural Great Lawn Backyard Ultra at Cranbury Park asks runners to repeat a 4.167 mile loop each hour until one person remains.
Experience technical single track trails and significant elevation gain at Tarrywile Park with marathon, half marathon, and 10k race options in Danbury.
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.
A community 5K and a 1-mile kids run at Sargent Elementary in Beacon, NY, with a food drive, live DJ, and refreshments.
A farm based 5K trail run plus a kids fun run for ages 6 and under in Yorktown Heights supporting Friends of Hilltop Hanover Farm.
Trail 5k and 10K in Hamden CT on November 22, 2026 with varied trail terrain, event swag, and a food drive for the Hamden Food Bank.
3.5 mile trail run and walk at Mill Pond Way Trail in Wolcott, CT with post-race yoga, chip timing, medals, and proceeds benefiting endometriosis research.
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.
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