Trail Running calendar near Great Barrington 2026-2027

Trail races in Mansfield Hollow State Park offering a 15.7 mile out-and-back on the Nipmuck Trail and a new in-park 5K, with varied terrain, marked courses, and proceeds benefiting Connecticut trail stewardship groups.

A community 5K trail run, walk, and hike at Eisenhower Park in Milford on June 14, 2026, on a high school cross country course. The event supports the Milford Rotary and Beth El Center and includes music, water, snacks, awards, and T shirts..

A 53 mile ultramarathon through the Catskills with about 15,000 feet of climbing, technical rocky trails, long unsupported sections and nine aid stations. The race requires self sufficiency and does not permit pacers.

A morning trail run at Gay City State Park on June 20, 2026, offering 8 mile, 5 mile and 3 mile races. The 8 mile joins regional trail series and includes team competition with prize money.

Operation WOODSTOCK on June 20, 2026 in Elka Park, NY is a 14.5 mile load bearing event with 5,210 ft elevation gain and a 20 lb dry pack. Entry is listed at $105 plus $7.35 tax.

A looped trail event at Lawson Lake Park on June 20, 2026, offering 2.5M, 5M and a one hour format. Entry includes a shirt and post race food; individual and team awards recognize top finishers and most laps completed.

A 5K through Camp Jewell’s roads and wooded trails including a covered bridge, plus a free one mile kids run. Pre entry is $30 before June 6 and increases to $35 afterward.

A loop-format trail run in Adams, MA, offering one to three loops and a separate 5 km meadow option on varied singletrack and hiking trails; proceeds support Thunderbolt Ski Runners trail stewardship around Greylock Glen and Mt. Greylock.

Five Monday evening 5K trail races at Town of Wilton Camp Saratoga across June to August 2026. Entries available per race or as a series package; proceeds benefit the Wilton Wildlife Preserve & Park.

An 8.6 mile trail run at Minnewaska State Park Preserve on June 24 with chip timing and commemorative towels for finishers. Entry is limited to 250 runners and parking carries a 10 USD per car fee.

Test your endurance at Roosevelt Forest on a 2.1 mile loop featuring classic New England terrain. Complete as many laps as you wish over 33 hours or aim for the 100 mile buckle in this intimate 50 runner event.

A 12 hour timed loop event at Brooksvale Park in Hamden, CT on June 27, 2026, using a 4.25 mile loop with 500 feet gain per loop. Options include marathon and 50k loop targets, aid at each loop, and proceeds aid trail maintenance.

A Spartan obstacle weekend at Carter and Stevens Farm in Barre Massachusetts featuring a 5 km Sprint, a 10 km Super, kids races, and an obstacle workshop across mud, woods, and rolling hills.

A night 5K at Lakeside Park with mixed trail terrain, reflective markers, and required personal lighting; finishes receive handmade medals and proceeds benefit the Pawling Recreation Department.

Experience a unique trail race through the Westmoreland Sanctuary where you choose your own path at the fork. Start and finish at Fox Lane High School for a memorable 5k adventure in Bedford.

A multi-distance trail event at Red Wing Recreation Area on July 5, 2026, featuring a 15k loop used for 15K, 30K, and 60K races with on-course aid stations, GPX course file, and awards for top finishers.

A five-race Monday evening cross country series at Wickham Park in Manchester CT, the 35th edition features roughly 2.4 to 2.6 mile courses, a discounted full-series entry, and proceeds supporting the Manchester High School Shoe Fund.

Week one of the Shawangunk Runners 53rd Summer Series features the Undercliff/Overcliff 4.7 mile loop at Trapps Bridge in Gardiner, NY, alongside two children's races, with parking at Mohonk Preserve West Trapps Trailhead and free registrat..

A multi-week summer cross country series around the Shawangunk Ridge with four carriage road races from 3 to 4.7 miles at Mohonk Preserve and Minnewaska State Park. Series pricing, family rates, student rebates, and a 250 runner limit apply..

Notchview Ultra in Windsor Massachusetts offers multiple timed and distance events on a 1.9 mile loop with an on-course aid station and camping options. Proceeds support the Trustees of Reservations and Baypath Humane Society.