Trail Running calendar near Chesterfield 2025-2026

Iron Hike Fall Double Kuwohi Trail Marathon Plus Relay is a timed 24 hour trail challenge covering more than 28 miles with epic elevation at Mohawk Mountain in Cornwall Connecticut. Choose solo or relay, run, hike or walk and chase a big da..

Run scenic, rooty trails in Groton Town Forest on October 4 with 9.5 mile and 3.4 mile options through rolling hills and rocks. Limited to 250 runners with refreshments and awards.

Tackle the rugged NipMuck Trail Marathon in Ashford CT, a 26.4 mile trail test through rocks, roots, mud and wooden bridges. Run solo or as a two person relay and expect a challenging, hilly second half that rewards grit.

Hit the trails at the Keene Family YMCA Fall Foliage Trail Races in Keene, NH on Sunday, October 4, 2026, with 5K and 10K options through scenic fall woods. Enjoy chip timing, shirts for early registrants, and support local YMCA programs.

Tackle the Midstate Massive Ultra Trail, a UTMB Index point to point across New England following the historic Midstate Trail. Choose 100 mile, 50 mile or 50k routes through mountains, fields, roads and rivers for a multi state adventure.

Celebrate the 20th Wayland HFC Striders Cross Country Festival on October 11, 2026, a family friendly meet supporting Wayland High School programs. Youth 3K plus open 5K races, trophies and local sponsors make for a fun community day.

Fall Back into the Trails is a weekend trail running festival at Red Wing Recreation Area in Lagrangeville NY with 100k, 50k and 10k options. Enjoy full aid, custom finisher medals and awards, and UTMB Index status for the 50k and 100k.

Join a scenic 3.5 mile Thanksgiving trail run or walk around Scoville Reservoir in Wolcott CT on November 26, 2026 to benefit the Endometriosis Foundation of America. Enjoy post race yoga, finisher medals, swag and a dog friendly vibe.