Trail Running calendar near Waterbury 2026-2027

We have found 162 Trailruns within 80 miles of Waterbury. See below where and when you can find the races.

Experience the Leatherman's Loop 10k trail race at Ward Pound Ridge Reservation in New York. Entry is managed via a lottery system for this USATF sanctioned spring event through the local woods.

Try the Trail is a youth trail run for ages 4 to 16 at Katonah Memorial Park. Kids can choose between a half-mile or one-mile course on scenic, easy-to-follow trails. It's a family-friendly event focused on outdoor activity.

Experience a technical 5 mile trail run through 250 acres of scenic green space in Killingworth. Navigate rocky terrain and elevation shifts at the Deer Lake Outdoor Center with awards for multiple age categories.

May 2026

An ultramarathon in Van Cortlandt Park featuring an initial flat lap plus ten cross country loops, stocked aid stations, drop bag access, and finisher awards including a medal, singlet, meal and post race beer.

A 12 mile out and back trail race on the Holyoke Ridge near Amherst MA featuring technical singletrack, over 3,500 feet of ascent, a 500 runner cap and a waitlist when full.

The A Run to Remember will take place in Red Hook on Saturday 2 May 2026. You can run between 5 and 10 kilometers.

Experience the beauty of the Shawangunk Mountains with a 50 mile ultra, a trail marathon, or a team relay. Enjoy well maintained carriage roads and an 18 hour cutoff in this premier fundraising event for Mohonk Preserve.

Trail races at Bear Mountain State Park on May 2, 2026 include 10K, half marathon and 50K over singletrack with technical sections, rolling climbs, tree cover, rocky and muddy terrain and occasional stream crossings.

Run a flat one mile course in Van Cortlandt Park while wearing your own inflatable costume. This unique Bronx event supports charity and takes place during a local ultramarathon for a high energy atmosphere.

Celebrate National Truffle Day with a chocolate themed trail run at Giddings Park. This event features a three loop 5K for all ages and a kids fun run to support Franklin Elementary School programs.

Experience one of the most technical and elevation dense trail races in the Northeast. Tackle steep climbs and rugged single track through the scenic terrain of Beacon, New York.

A technical trail 50K in New Haven on blue-blazed trails with about 6,350 feet of climbing and multiple aid stations. Entry is by waitlist and requires a recent trail 50K qualifier; no crews or pacers are allowed.

Experience a trail run or walk through the campus of The Hartsbrook School in Hadley. Choose between a 5k or a 1 mile race on natural terrain while supporting local land stewardship and agricultural education programs.

Trail races in Lyme, Connecticut offering a 9.2 mile loop and a 3 mile sprint on Mount Archer trails. Chip timed and rain or shine, with 100% of proceeds donated to local emergency services.

This community trail run on Clausland Mountain honors caregivers and supports mental health and sobriety causes. Participants take on a 3.75-mile historic course, receiving a medal in an event focused on gathering, not competition.

A dual-event day featuring a Family Color Run and a 5K Trail Run on May 9, 2026, in Hamden, CT. The first 100 to pre-register get a special giveaway, with water stations available for all participants.

Run for a cause at the Bruynswick Winery Run, a 6k cross-country race benefiting the Ulster County SPCA. Enjoy a scenic course at the foot of the Shawangunk Ridge, with music, drinks, and a chance to meet shelter animals. Free children's da..

Experience the eighth annual Spring Fling 600 trail races at YMCA Camp Sloper. Choose between a 6 mile race or a 10 hour challenge to complete as many loops as possible on a scenic three mile course.

A loop-based last person standing trail event on Ragged Mountain in Berlin CT with roughly 3.11 mile laps to be completed within an hour; field limited to 55 and proceeds benefit local trail groups and a youth shoe scholarship program.

Annual May races on the Ashuwillticook Rail Trail offering marathon, half and 8K distances starting and finishing at the Adams Visitors Center. Proceeds support the rail trail and a municipal fund for the City of Pittsfield.