Trail Running calendar near Williamstown 2025-2026

We have found 47 Trailruns within 80 miles of Williamstown. See below where and when you can find the races.

Kick off Thanksgiving in Vineland with the South Vineland Thanksgiving Run, a fun 3 mile cross country style course at Anthony Campanella Park. Family friendly, competitive awards, proceeds support the Friends of Vineland Public Library.

Join the Williamstown Badgers Turkey Trot 5K at Autumn Lake Winery on Thanksgiving morning for a scenic trail run. This no frills, family friendly race donates all profits to Honor Flight NJ so you can run and give back.

Join the Schuylkill Navy Run on Thanksgiving in Philadelphia for a spirited 5 5/8 mile challenge along Kelly Drive and Boathouse Row. Expect scenic river views, rolling hills and post race awards at Fairmount Rowing Association.

Join the Fifth Street Cross on Black Friday in Emmaus for a choose your distance running and riding event from 10k to 100 mile. Start anytime, lap the festive course and add to the prize pot by bringing a six pack or $20.

Join the festive 27th Milford Reindeer Stampede at Killens Pond State Park on November 29, 2025 for a chip timed 5K run or competitive walkers only 5K. Enjoy a long sleeve tee and a cozy post race party with treats and photos.

December 2025

Shake off the winter chill at the Chilly Trail Run 5K in Haverford on December 6. Enjoy scenic trails, a cozy long sleeve race shirt for pre registered runners and light post race refreshments.

Join Team Foster's Last Person Standing on December 6, 2025 in Conshohocken along the Schuylkill River Trail for a backyard ultra where runners tackle repeated 4.2 mile laps until only one remains. Expect camaraderie, grit, and a central ai..

Run the scenic 8.4 mile Loop Race in Philadelphia on December 7, 2025, tracing the Schuylkill River past the Art Museum and Boathouse Row. Not local? Join Loop Race Anywhere and run the distance anytime Nov 5 to Dec 7.

Challenge yourself at the Holmdel Classic, a scenic but hilly loop trail race in Holmdel Park with roots, rocks and steep climbs and options from a single 4.65 mile lap to multi loop ultras. Proceeds benefit MissionCleanWater.

Run a festive 3 mile loop along the Manayunk canal on Dec 13 and bring canned goods to support North Light Community Center. Try Brooks shoes, sip hot chocolate and show up in your most festive holiday gear.

Challenge yourself at Frosty Looper, an 8 hour timed race around scenic Cooper River Park on December 14, 2025. Mostly flat paved loops with a few hills, aid at the start and finish, and every finisher receives a custom race item.

Naked Nick is a scenic trail race at Blue Marsh Lake near Leesport PA offering 25K and 50K distances on mostly single track with challenging climbs. Expect rustic trail conditions and gourmet post race fare from a chef and pastry chef.

January 2026

The Sierra Club - Lancaster Group Polar Bear 5K Trail Run/Hike will take place in Lancaster on Saturday 10 January 2026. You can run 5 kilometers.

Angela Ivory Memorial Trail Races at Killens Pond State Park on Jan 24 and 25 offer ultra distances including 50k, 100 mile and 24 hour events. The 50k is full with no wait list; enter another distance and drop in on race day if spots open.

March 2026

Take on the Naked Bavarian at Blue Marsh Lake in Leesport PA on March 7, 2026 with 20 mile or 40 mile trail options over scenic single track and gravel. A low cost ultra with aid stations and a chef prepared post race spread.

Tackle the HAT Run 50K in Havre de Grace, Maryland, a scenic trail challenge with rolling single track, open fields and nearly 4,400 feet of climbing. Expect stream crossings and a rewarding day on rugged, looped trails.

UTMB Index
April 2026

Tackle technical single track and rolling hills in Wissahickon Valley Park with half and full marathon options. Race benefits Houston Playground youth programs and rewards every finisher with a Philly themed medal.

Run rugged technical trails at Rockland Rad Run in Mertztown with marathon, half, 10k and 5k options. Enjoy scenic rolling terrain, Saturday off road mountain bike fun and free campsite options for a full weekend outdoors.

Run or stroll Matzah Miles on a scenic family friendly trail in Medford with a timed 5 km, one mile family walk and Kids 50 Yard Dash. Enjoy music and matzah treats while supporting inclusion through Open Hearts Open Doors.

May 2026

Join the 5th annual Green Traill 5K on Sunday, May 3, 2026 at Easton Cemetery for a spirited 5K, a community walk, and a Kids Fun Run for ages 10 and under. Organized entirely by volunteers, the event benefits Friends of Historic Easton Cem..