Trail Running calendar near Killingworth 2026-2027

We have found 117 Trailruns within 80 miles of Killingworth. See below where and when you can find the races.

The Lake Mohegan Women's Trail Race is a women's-only trail event in Fairfield, CT. Runners can choose from a 5K, 10K, or a 4-hour challenge on the runnable trails around the lake. The event aims to welcome both newcomers and experienced tr..

The Leatherman's Loop is a classic 10k trail race held each spring at Ward Pound Ridge Reservation. Entry is secured via a lottery system, with no same-day registration. It's part of a series of trail events including Run the Farm and Raven..

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 Bear Mountain Trail Challenge will take place in Bear Mountain on Saturday 2 May 2026. You can run between 10 and 50 kilometers.

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.

Tackle the steep, technical trails of Breakneck Ridge near Beacon, NY. The course features significant elevation, panoramic vistas, and historic paths. Choose from a 42K or 21K distance on this challenging route.

This 50k trail run connects Connecticut's technical Regicides and Quinnipiac Trails. The challenging out-and-back course features significant climbing and a strict 10-hour cutoff. The event does not allow pacers or crews and enforces interm..

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.

Experience a fast and flowing trail race through the scenic Watuppa Reservation. Choose between 10K, 30K, and 50K distances on a course featuring smooth single track and grassy fire lanes.

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.

Experience the varied landscapes of Block Island with a 10K course featuring coastal tracks and rolling pastures. Running through diverse terrain this spring event includes a steep double tiered climb and views of the Atlantic.

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.

Run or walk a 5k on the Southern New England Trunkline Trail in Franklin. This event supports the development of an abandoned rail bed into a multi use path connecting local communities.

Experience a scenic trail run through the meadows and forests of Muscoot Farm. Choose from the 5 mile course or youth races and receive vouchers to spend at the local farmers market.

Two trail races, a new half marathon and a 6k sampler, weave through the scenic Shenipsit State Forest past the Soapstone Mountain tower. The event supports local trail stewardship. A cupless race, it's organized by the nonprofit Shenipsit..