Trail Running calendar near Williamstown 2025-2026

We have found 34 Trailruns within 80 miles of Williamstown. See below where and when you can find the races.

Chase a fast PR at the Last Chance XC Championships in Oak Ridge Park, Clark NJ on November 16. The USATF New Jersey 8k championship runs on a double loop pancake flat course, with personalized bibs, oversized medals and free action photos.

Join the Old Bridge Sayreville Rotary Club for a 5K trail run and walk on Sunday, November 16, 2025 at Sayreville Sports Complex to support veterans housing. Rain or shine event with dog tags for all and shirts for preregistered runners.

Tuckahoe 25k in Queen Anne Maryland is a scenic trail run with runnable hills and rooty, muddy sections. Three aid stations and event swag await finishers on Saturday, November 22 for a fun, rugged autumn challenge.

Join the inaugural Wild & Rooted 5K at Mt. Cuba Center for a scenic trail through meadows, forests and rolling hills. Stay after for live music, guided nature tours, hay wagon rides and drinks amid restored native landscapes.

Join the Thanks for Giving Turkey Trot in Manchester Township for a scenic 5 km run or 1 mile walk around lakes and Pine Barrens trails. Raise funds for Addiction Recovery Ministries and celebrate community and gratitude.

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.

Enjoy the Williamstown Badgers Turkey Trot 5K at Autumn Lake Winery on Thanksgiving morning, a family friendly trail run over dirt, grass and sand. Run for a cause with proceeds to Honor Flight NJ and timed results with awards.

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.

Join Phoenixville's 16th annual Burn Off the Bird 5K on November 29, 2025, along the scenic Schuylkill River Trail. Run in person or virtually, grab a swag shirt and custom medal, and support local causes while enjoying a chip timed course.

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 the Winter Wonder Run 6K through the scenic trails of Institute Woods in Princeton on Saturday December 6, 2025. Enjoy a crisp cross country course with limited field size for a cozy, community race.

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.

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.

Frosty Looper is an 8 hour timed run at Cooper River Park near Philly around a fast 3.75 mile loop with skyline views. Run as many laps as you can, enjoy aid station food and vegan options, bring a reusable cup, and take custom race swag.

Set sail for Blackbeard's Bounty Endurance Race in Pennsburg PA on December 20, 2025, and tackle timed 4 hour or 8 hour looped runs on scenic gravel trails. Enjoy pirate themed fun, post loop grog, and a race shirt and medal.

January 2026

Run or hike the Sierra Club Lancaster Polar Bear 5K on January 10 in Lancaster County Central Park, a chip timed winter trail with hills and possible mud or snow. Dogs on leash are welcome and finishers and top placers earn awards.

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.