Trail Running calendar near Williamstown 2025-2026

We have found 50 Trailruns within 80 miles of Williamstown. See below where and when you can find the races.

The Trails To the Sky 50k/10k is an inaugural trail running event scheduled for May 3, 2025, at Voorhees State Park in Hunterdon County, New Jersey. The race offers two distances: a challenging 50k with approximately 4,500 feet of elevation gain, and a 10k featuring around 900 feet of gain. The cour..

UTMB Index

The Green Traill 5K is an annual running event taking place in Easton, PA, on May 3-4, 2025. This unique race is set in a cemetery, offering participants a scenic route through 84 acres of rolling hills and historic monuments. The event features a 5K run, a 2-mile untimed walk, and a Kids Fun Run, m..

The 17th Annual Troop "A" Blue & Gold Trail Run is a 5k trail running event taking place at the scenic Gloucester County Dream Park in Logan Township, NJ. Open to participants of all skill levels, the event features awards for various age groups and categories, including the Top State Police Team an..

The Dirty German Endurance Fest is an urban ultramarathon held in Pennypack Park, Philadelphia, featuring three race distances: 50 Miler, 50K, and 25K. The event attracts over 600 runners annually and offers a well-marked, runnable course with a mix of surfaces, including single track and gravel tra..

The Dawn To Dusk To Dawn Track Ultras is a running event taking place at Academy Park's Knight Track in Sharon Hill, PA. Scheduled for May 10-11, 2025, the event features multiple race options, including a 24-hour run, a 12-hour run, a 50K run, and a virtual 50K run. Participants can expect tracksid..

The Race4Warriors Half Marathon is part of a larger event that includes 5K and 10K challenges, taking place in Lewes, Delaware. This event aims to support Wounded Warriors and homeless veterans while fostering connections between military and civilian communities. Participants can choose from variou..

The Run for the Woods is an annual 5k trail run taking place in Piscataway, NJ, specifically through the scenic trails of the Rutgers Ecological Preserve. Scheduled for May 10, 2025, this event supports forest restoration efforts and the Ecology and Evolution Graduate Student Association. Participan..

The Run Like a Mother 5K Trail Race and 1 Mile Fun Run, hosted by More Kids on Bikes, is a family-friendly event aimed at promoting an active lifestyle and celebrating mothers. Scheduled for May 11, 2025, at Yeager's Farm & Market in Phoenixville, PA, the event features a scenic 5K trail race and a..

The Conestoga Crusher 10K Trail Race, along with the Conestoga Cruiser 5K Trail Race and a Kids Trail Race, is scheduled for May 17, 2025, in Holtwood, PA. The event offers scenic trail running through Kelly's Run Nature Preserve, featuring creek crossings, steep climbs, and beautiful views from the..

The Screamin' Hill Scramble 5K is an exciting running event taking place at Screamin' Hill Brewery in Cream Ridge, NJ. This annual race features a scenic 5K course that winds through the brewery's grounds, where the ingredients for their craft beer are grown. Participants can enjoy a chip-timed race..

The MCW NJ Appalachian Trail Runventure is a unique running event scheduled for May 17, 2025, in Scotch Plains, NJ. Participants can choose between a marathon or a 40-mile run, both designed to provide a fully supported experience along the New Jersey Appalachian Trail. This event is also a fundrais..

The Patriot Power 5K is a charitable running event held on May 17, 2025, in Reading, Pennsylvania, with a virtual participation option. Organized to honor and support military veterans, the race benefits Team RWB, an organization dedicated to enriching veterans' lives through social and physical act..

The Coventry Woods 5K & 10K Trail Challenge is an exciting trail running event taking place in Pottstown, Pennsylvania. Scheduled for May 18, 2025, this race features two distances: a 5K and a 10K, both set on scenic trails that include a mix of rocky terrain, roots, and various track types. Partici..

The First State Trail Race, taking place in Wilmington, DE, offers a scenic and challenging experience for runners of all levels. Set in the picturesque Brandywine Creek State Park and First State National Historical Park, participants can choose from three distances: a 10K, 25K, or 50K. Each course..

The Charlie Horse Trail Half-Marathon and Dirty Pony 5K are annual running events held in Mohnton, PA, benefiting Berks Co. Special Olympics. The half-marathon features a challenging course combining trail, road, and adventure elements along the Horse-Shoe Trail, with scenic sections, aid stations,..

June 2025

The Dash and Deciduous 5K Trail Run is a unique and challenging event taking place at Crystal Lake Park in Bordentown, NJ. Scheduled for June 7, 2025, this free, timed "FATASS" run is designed for a limited field of 40 runners, emphasizing a fun and competitive atmosphere. Participants can expect a..

The 1/2 Sauer 1/2 Kraut is a unique running event held at Pennypack Park in Philadelphia, PA, featuring a half marathon and marathon. The race takes place along a scenic, mostly shaded bike trail alongside Pennypack Creek, with a course described as a "rollercoaster" due to short, steep hills. Parti..

Smith’s Challenge Trail Run, organized by the Lancaster Road Runners Club, celebrates its 36th anniversary in 2025 as the oldest trail race in Central Pennsylvania. Held in Lancaster County Central Park, the event features 5-mile and 10-mile trail races that traverse challenging courses with trails,..

The Run For the Ages 10K Trail Chase, organized by the Pagoda Pacers Athletic Club, is a unique trail running event set in the scenic Nolde Forest, Reading, PA. This race features an age-graded start, allowing participants of all ages to compete on a level playing field, with older and younger runne..

The Reckless Red Eye Endurance Run is an exciting endurance event scheduled for June 22, 2025, in Columbus, NJ. Participants can choose from various race formats, including 3-hour, 6-hour, 12-hour, and a 12-hour team relay. The course features a flat and fast 3.3-mile loop at the Burlington County F..