Trail Running calendar near Leyden 2025-2026

We have found 48 Trailruns within 80 miles of Leyden. See below where and when you can find the races.

Seth's Fat Ass 50K at Forest Park in Springfield is a friendly challenge of up to ten 5K loops. You have seven hours to run as many laps as you like, grab event schwag and a t shirt, and enjoy the social ultrarunning vibe.

February 2026

TARCtic Frozen Yeti brings winter trail racing to Hale Education in Westwood, MA on Feb 7 and 8, 2026. Choose a rugged 30 hour endurance challenge or a scenic 15 mile loop and tackle snowy trails under starlight.

March 2026

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.

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

Runamuck 50K is a rugged trail ultramarathon around South Pomfret, Vermont, weaving hilly dirt roads and scenic backcountry. Expect changeable weather and a true test of endurance on this challenging 50K course.

Take on the rugged Traprock trail at Penwood State Park with a single 17K loop or three loops for the 50K for a true trail challenge. Expect rocky, technical single track, rolling terrain and great forest views.

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.

Take on Ragged Mountain near Berlin CT in a last person standing race. Run a 3.11 mile loop each hour and keep finishing within the hour until only one runner completes a loop and wins.

June 2026

Challenge yourself at Mohawk Mountain in early June 2026 with timed endurance events from 12 hour to 84 hour and distances up to 152 miles. Race solo or with Trail Buddy or Trail Family teams, tackle night sections and enjoy base support an..

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.

Run or ride scenic farm trails at Norbrook Farm Brewery in Colebrook CT, with options from a 5K and 10K to a 4 hour trail challenge, duathlon and competitive mountain bike races. Finishers get custom medals and entrants 21 plus receive a fr..

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.

Take on 8.2 miles and 3,010 ft of climbing at Killington Resort, summiting multiple peaks for sweeping mountain views. This limited field trail race tests runners on steep, rocky terrain with a memorable Needle's Eye finish.

July 2026

Tackle a scenic but rugged three day stage race around Lake Sunapee covering about 75 miles and 15,500 ft of climbing across technical single track, fire roads and gravel. Prefer one day? A 50k option follows the same corridor with roughly..

August 2026

Run the Triple Dam 10K in Perkinsville VT on August 23, 2026 for a scenic road and trail loop with a fun calf deep river crossing. Open to runners and walkers, proceeds support Springfield High School cross country.