Trail Running calendar near Berlin 2025-2026

We have found 73 Trailruns within 80 miles of Berlin. See below where and when you can find the races.

Take on the Interstate 17 Trail Run, a 17 mile looped trail race at State Line Lookout with serious elevation and rugged technical terrain. Rocky scrambles, waterfalls and required loop check ins make this a scenic tough challenge.

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

Run the Shawangunk Ridge Trail in Rosendale NY on Sep 12, 2026. Choose 70 mile, 30 mile or half marathon routes through rocky ridgelines, waterfalls and cliffs in a self supported backcountry challenge.

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.

Tackle rugged single track, steep climbs and scenic summit views at Macedonia Brook State Park with 12K, 25K and 50K options. The 25K is part of the Blue Blazed Trail Running Series for a true New England trail challenge.

Experience day and night running at the Pawling 24 Hour Trail Running Festival in Lakeside Park, with looped 3, 6, 12 and 24 hour timed races, music and on course aid. All finishers get medals and crews can set up on the festival field.

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

Take on the Iron Hike Fall Olympus Mons Ultra Trail Marathon Relay in Cornwall Connecticut, a team endurance challenge across Mohawk Mountain covering 152 plus miles with massive elevation gain. Run, hike or walk the course within an 84 hou..

Take on a 24 hour trail challenge at Mohawk Mountain with a 28 plus mile course and huge elevation gain that rewards grit and strategy. Run, hike, or walk solo or as a relay with veteran owned IronHike Endurance Productions.

Test your limits in the Forbidden Forest 30 hour ultra at Roosevelt Forest in Stratford CT, covering as many miles as you can on a rugged 2.23 mile trail loop. Options span marathon to 100 miles with small field support.

Run the Mohawk Mountain Race at Mohawk Ski Area in Connecticut on Oct 12 with distances from 5K to marathon and rolling trails through Mohawk State Forest. Expect big climbs, rugged singletrack, aid stations and a finisher medal.

November 2026

Run 13.1 miles on forest trails at the Storybook Half Marathon in Roosevelt Forest, Stratford CT, completing eight scenic loops of single and doubletrack. Wear a costume, enjoy post race perks, and donate children's books to Books4Everyone.