Trail Running calendar near Middlefield 2026-2027

We have found 99 Trailruns within 80 miles of Middlefield. See below where and when you can find the races.

The Brookhaven Trail 15K Run will take place in Wading River on Sunday 19 April 2026. You can run between 4 and 15 kilometers.

A women’s-only trail running event at Lake Mohegan in Fairfield offering a runnable 5K loop, 10K, and a 4 hour looped challenge; the race includes finisher medals, top-3 awards, post-race refreshments, and a cupless sustainability policy.

A USATF-sanctioned ultramarathon around scenic Lake Waramaug in Kent, Connecticut on April 26, 2026, offering 100K, 50 mile and 50K options on paved, rolling loops with four aid stations and finisher awards.

Leatherman's Loop is a 10k trail race at Ward Pound Ridge Reservation in Cross River, NY on April 26, 2026. Entry is by lottery and the race is USATF sanctioned; registration includes the park entry fee.

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.

Run to Remember on May 2, 2026 in Red Hook NY offers scenic 5K and 10K trail runs plus a 5K walk through meadows, orchards and forest. Honor loved ones and enjoy community spirit with cash prizes for top finishers.

A fundraising trail event in the Shawangunk Mountains on May 2, 2026 offering a 50 mile Ultra Marathon, a 26.2 mile Trail Marathon and two to four person relays. Proceeds support Mohonk Preserve conservation, education and stewardship.

Trail races at Bear Mountain State Park near New York City on May 2, 2026, featuring 10K, half marathon and 50K options across singletrack with rocky, rooted, and forested sections offering occasional views.

A technical trail event near Beacon, NY on May 3, 2026 offering half and full courses with steep exposed climbs, significant elevation gain, aid stations, limited on-site camping, and a participant shirt and finisher item.

The The Blue 2 Blue Challenge will take place in Woodbridge on Sunday 3 May 2026. You can run 50 kilometers.

Take on the Dandelion Dash 5K or the Mushroom Mile on The Hartsbrook School trails, with a virtual option available. Muddy, scenic terrain and proceeds support the school's Land Stewardship program.

Take on scenic singletrack at the Mount Archer Trail Race in Lyme CT on May 3, 2026 with a tough 9.2 mile loop or a fun 3 mile sprint. Chip timed results, post race food and drinks, and proceeds support the Lyme Fire Department and Lyme Amb..

A community trail event on May 9, 2026 in Orangeburg NY offering looped courses of 3.75, 7.5, and 11.25 miles to support Rex Runs Kindly and NAMI of Rockland, with aid stations and participant T shirt and medal.

The Tails & Trails State Forest Run will take place in Pittsfield on Saturday 16 May 2026. You can run between 5 and 50 kilometers.

A spring trail event at Muscoot Farm featuring a *5 mile* race plus two kids races by age group; participants receive Farm Bucks for the farmers market and shirts are available by pre-order. Service dogs only; no other dogs permitted.

A new Soapstone Mountain Half Marathon debuts in 2026 alongside the Jerry Stage 6K. Both are trail races in Shenipsit Forest starting at Reddington Rock Riding Club, organized by the Shenipsit Striders with proceeds to trail stewardship gro..

Annual May trail races on the Ashuwillticook Rail Trail including a marathon, half marathon, 8K and a free kids Mo Mile, with proceeds supporting trail maintenance in Pittsfield and event perks for participants.

A *3.5 mile* trail run/walk at Woodtick Recreation Area in Wolcott, CT on May 17, 2026. Proceeds support the Wolcott Cross Country Teams and participants receive a free entry to the CT Food Truck Battles Festival.

Run or walk the Never Stop Running Foundation Long Island Lemonade Trail 5K on May 23, 2026 at Blydenburgh County Park, with an in person or virtual option. Free Kiddie Dash and proceeds benefit the foundation.