Trail Running calendar near Southwick 2025-2026

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.

Run the Mount Archer Trail Race Sunday May 3 2026 in Lyme CT with a scenic 9.2 mile loop or a 3 mile option for runners and walkers. Chip timing, aid stations, and proceeds support Lyme emergency services.

TARC Wapack and Back is a rugged trail race along the Wapack Trail in Ashburnham offering 21.5, 43 and 50 mile options. Expect technical rocky singletrack, big climbs and limited entries so register early for a backcountry challenge.

Run the Free Spirit 50K in Leyden, Massachusetts and enjoy a scenic New England ultramarathon. The course follows dirt roads past historic farms, leafy woods and an 1870s covered bridge for a rewarding, challenging day.

Run a scenic 5 mile trail at Muscoot Farm with kids races for ages 2 to 12 and a family friendly vibe. Finish with Farm Bucks to spend at the Muscoot Farmers Market and optional shirts available by advance order.

Explore trails around Soapstone Mountain and Shenipsit Forest at the Soapstone Mountain Trail Races in Stafford Springs, CT on May 17, 2026. Pick a half marathon or 6K, support local trail stewardship, and register January 1, 2026.

Take on the Drummer Hill Trail Races in Keene NH on May 23, with a 12.5k loop you can repeat for 12.5K, 25K, 37.5K or 50K. Expect technical single track, rocks, roots and stream crossings, aid stops and DHTR drumstick awards.

Run the Mine Hill half marathon on 24 May 2026 in Roxbury Connecticut, starting and finishing at Mine Hill Distillery. Enjoy rolling country roads with sweeping farm views, then celebrate at the distillery after party.

IronHike Series Spring 26 takes place June 4 to 7 at Mohawk Mountain, CT, with solo and team endurance options from 15 to 152 miles. This non competitive FlexRelay invites crews to self manage pacing, rest and night trekking.

Run a scenic 5 mile Cheshire Rail Trail from Fitzwilliam Depot to the restored Troy Depot on Saturday, June 6, 2026. Enjoy family fun, food, and festivities while supporting the Fitzwilliam and Troy historical societies.

The Norbrook Farm Brewery Trail Festival will take place in Colebrook on Saturday 13 June 2026. You can run between 5 and 4 hours.

Explore rugged singletrack and an old railroad bed on a tough 5 mile loop at the Flat Rock Trail Race in Dunstable MA. Proceeds benefit the Humane Society for Greater Nashua and runners can repeat loops for up to six hours.

Run the scenic 15.7 mile Nipmuck South Trail at Mansfield Hollow State Park, following the Nipmuck Trail along the Fenton River through woods, fields and a climb to a cliff. Proceeds benefit Connecticut trail stewardship groups and the Blue..

Manitou’s Revenge is a rugged 53 mile ultramarathon through the Catskill Mountains on June 20, 2026, featuring roughly 15,000 ft of climbing and technical, often remote terrain. Expect limited aid and a true test of endurance and trail skil..

Notchview Ultra invites runners July 10 to 13, 2026 in Windsor, MA, offering formats from 100.7 miles down to 6 hour on a scenic 1.9 mile loop. Enjoy frequent aid, camping, swag, and proceeds supporting local conservation.

The Soapstone Assault is a rugged 5.5 mile trail race in Somers, CT with six climbs and about 1,500 feet of ascent. Limited to 50 runners, it is a tough course for experienced runners and includes a pre race safety briefing and breakfast.

Run the Ridge Reaper at Ward Pound Ridge Reservation with 25K, 50K, and 50M courses through technical singletrack and scenic carriage roads. Big climbs, ridge views, and a cupless format so carry your own hydration.

Join the Sweltering Summer Ultra, an 8 hour track challenge at Clapp Park in Pittsfield where runners and walkers lap a cinder loop and hit a marathon split. Chip timing, live leaderboard, refreshments and awards support the AYJ Fund.

Experience the Stonington Cross Country 5K at Stonington High School, a scenic route from the track through campus streets and wooded trails to a field finish. Family friendly with a kids half mile for ages 10 and under.

Join an 8 hour trail gathering at Crandall's Park and run as many 5K loops as you like. Potluck, raffles, prizes and a Shenipsit Striders 50th anniversary gift for those who complete at least one loop.