Fairfield
Trail Running Calendar near Fairfield 2026-2027
Explore the top trail runs near Fairfield for 2026-2027! We've gathered 47 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Trail races in Ridgefield CT offering a single loop of about 4.25 miles or a double loop of about 8 miles through Hemlock Hills and Pine Mountain. The technical, rocky course starts and ends at the Lake Windwing ballfields.
Six hour running and relay event at Belmont Lake State Park on September 27, 2026 where individuals and teams compete for the most distance on a 2.50 mile loop.
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.
Four-day trail event in Rocky Point, NY featuring a 10.48-mile Pine Barrens loop with eight distance options from 10 miles to 150 miles.
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.
Scenic 5K at Rockefeller State Park Preserve featuring hilly carriage roads, age group and team awards, t shirts and refreshments, with proceeds supporting carriage road maintenance.
Trail 5K at Blydenburgh County Park on October 11, 2026 offering in person and virtual options, participant tees, refreshments, and age group recognition.
Trail running at Muscoot Farm with a 5 mile race and two kids races on October 25, 2026 in Katonah, NY.
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 community 5K and untimed fun run at Sachem North High School on November 7, 2026, offering awards, free finish photos, and guaranteed shirts for early 5K registrants.
Trail events at Ward Pound Ridge Reservation: a 10k trail race on November 8, 2026 and a month long Raven 100k Challenge with wooden finisher medallions.
A community 5K at Belmont Lake State Park on November 8, 2026 offering an in-person 5K, virtual option, and a free kiddie dash with post-race refreshments.
An 8K USATF cross-country championship for Open, Masters and Para Athletic divisions at Bethpage State Park on November 8, 2026, for athletes aged 18 and older.
Trail 5K at Bethpage State Park on November 14, 2026 with in person and virtual options, a free Kiddie Dash, family amenities and postrace refreshments.
Backyard Ultra at Cranbury Park in Norwalk, CT where runners repeat a precise 4.167 mile loop every hour until only one runner remains.
Inaugural Estella's Memorial 5K in Yaphank is a fundraiser for the Lustgarten Foundation held on a flat loop trail at the Suffolk County Farm and Education Center.
Experience technical single track trails and significant elevation gain at Tarrywile Park with marathon, half marathon, and 10k race options in Danbury.
Trail half marathon and 5 mile at Brookhaven State Park on Nov 15, 2026, on single track and fire trails with awards, cash prizes, and finisher medals.
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.