Trail Running calendar near Southwick 2026-2027

A second annual trail event in Dunstable, Massachusetts offering a 5 mile loop or a six hour race of repeated 5 mile loops. The course follows an old railroad bed, an arched stone bridge, woods, peaks, and single track trails.

A six hour looped trail run at Ansonia Nature Center on roughly 1.9 mile counterclockwise singletrack loops with about 170 feet of gain per loop. Field capped at 69 runners; no crews or pacers; early signup includes a shirt and swag.

A low key trail event in Ashfield, MA on June 13, 2026 that showcases local trails and preserved lands. It offers 50 km, 30 km and 10 km distances and raises funds for the Franklin Land Trust.

A loop based endurance race near Big River Management Area in West Greenwich, RI where runners must complete each circuit within 60 minutes to continue; laps repeat at one hour intervals until only one runner remains.

A trail 5K and 10K at Pleasant Valley Wildlife Sanctuary on June 13, 2026, with routes on single track trails and carriage roads. Proceeds support Mass Audubon conservation; water stations, finish area refreshments, and limited parking.

A mixed-surface 5 km race and one-mile fun run at Hampshire Regional High School in Westhampton on June 13, 2026. The 5 km combines paved roads and wooded trails; awards, refreshments, restrooms and parking are provided.

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 community run on a three-loop course at the Natick Community Organic Farm, mixing trail, field, and road surfaces. Participants receive a commemorative chicken medal and top finishers are tracked in adult and kid categories.

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.

Test your endurance at Elka Park with this 14.5 mile weighted event. Participants navigate over 5,000 feet of elevation gain while carrying a 20 pound pack through the New York landscape.

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.

Trail races at Dublin School Outdoor Center on June 20, 2026 feature a 10K and a half marathon with significant elevation gain, technical trail sections, and views of Mount Monadnock.

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.

Three summer trail races at West Hill Dam in Uxbridge, MA, with well-marked wooded single and double-track courses, limited fields, age-group prizes, and a portion of fees donated to local food pantries.

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, MA on June 27 and 28, 2026 with Sprint, Super, and kids races, plus an obstacle workshop and spectator access.