Trail Running calendar near Medfield 2025-2026

We have found 40 Trailruns within 80 miles of Medfield. See below where and when you can find the races.

Run TARC To Hale and Back on March 21, 2026 at Hale Education in Westwood MA, a scenic 3.5 mile trail loop with woods, ponds and boardwalks. Limited spots often sell out so register early.

Run a scenic 16 miles on the Nipmuck Trail in Union Connecticut, out and back to the Boston Hollow turnaround through Yale Myers Forest. Field is capped at 100 and proceeds benefit local trail groups.

April 2026

Run Across CT 123 is a point to point ultramarathon across about 123 miles of Connecticut, weaving trails and backroads through 25 towns. Choose 100K or 200K solo or relay and chase a coveted belt buckle for 200K finishers.

Join the Tortoise and the Hare Trail Races in Salisbury on April 4, 2026 for trail 10K, 5K and a fun 1 Mile Color Run. Enjoy custom tech shirts, post race music and snacks while supporting Salisbury Parks and Recreation.

The Merrimack River Trail Race will take place in Andover on Saturday 11 April 2026. You can run between 10 and 10 miles.

Spring Fever brings scenic early spring trail racing to Wompatuck State Park in Hingham on April 11, with 5K, 5 mile, and an 8 hour multi lap challenge. Expect muddy trails, on course aid, and a friendly campground finish line vibe.

TARC Spring Classic at Jericho Town Forest in Weston on April 25, 2026. Run 10K, half, marathon or 50K loops on smooth scenic trails, plus a free youth fun run in a relaxed cupless event.

May 2026

Run the scenic Dandelion Dash 5K on The Hartsbrook School trails or enjoy the family friendly Mushroom Mile in Hadley, MA. Support school programs in sustainable agriculture and beekeeping or run virtually from anywhere.

Run the scenic but rugged Wapack Trail in Ashburnham, MA with 21.5, 43 or 50 mile options. Expect rocky single track, big climbs, solid aid support and a true trail challenge for experienced runners.

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.

Experience the 9th annual Wildcat 5K Trail Run, Walk and Wag on May 30, 2026 in Boxford, a scenic 5K around Stiles Pond through Wildcat State Forest. Runners, walkers and their dogs will enjoy trails, prizes and a festive post race celebrat..

June 2026

Run a scenic 5 mile route along the Cheshire Rail Trail from Fitzwilliam Depot to the restored Troy Depot while supporting the Fitzwilliam and Troy Historical Societies. Food, festivities and a short kids loop make it a great community day.

Take on a scenic 15.7 mile trail run on the Nipmuck Trail in Mansfield CT, following the Fenton River through woods, fields and small bridge crossings. Organized by the Shenipsit Striders, proceeds support local trail stewardship.

August 2026

Join the Stonington Cross Country 5K in Pawcatuck CT on Wednesday August 12 2026 for a free community race that blends one track loop, quiet campus roads and scenic trails. A children's 1/2 mile for ages 10 and under also finishes on the sc..

Hit the fields at Waters Farm on Sunday, August 23, 2026 for the Old Goat Track Club XC Classic, a fast and friendly 5K cross country through scenic farm trails. A USATF New England Grand Prix stop with race day registration available.

September 2026

Trail Animals Running Club Fall Classic at Great Brook Farm State Park offers scenic trails and distances from 10K to 50 mile, plus a youth fun run and Mischief Mile. Aid stations and vegan options support runners in this cupless event.

Tackle a scenic 5K through Oswegatchie Hills Nature Preserve, winding past Clark Pond on root and rock strewn trails; hikers welcome. This fourth annual run benefits preserve maintenance and finishes with local pub awards and camaraderie.

Enjoy scenic 1 Mile and 5K trail runs and hikes at the Annual Trail Challenge on Mount Agamenticus in York, Maine Saturday September 19. Proceeds support conservation and education and a community raffle makes the day festive.

Hit the newly restored Moosup Valley State Park Trail on Sunday, September 27 for scenic 5K, 10K and a kids fun run on all trail terrain. Post race food and gear, leashed dogs welcome, and proceeds support the Rotary Club of Plainfield.

October 2026

Run the Midstate Massive Ultra Trail on October 10 to 11, 2026 across central New England, a UTMB Index point to point ultramarathon along the Midstate Trail. Choose 100 mile, 50 mile or 50K courses that wind through mountains, fields and r..