Trail Running calendar near Newtown Square 2025-2026

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 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.

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.

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..

The Redman 9 mile trail race circles Redman Lake in York County on Saturday December 6, 2025, featuring scenic single track, about 1,200 feet of climbing and adventurous water tunnels. Enjoy a mid race aid station, post race snacks and fini..

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.

Tame the Tower Trail Challenge on December 13 in Lebanon, PA invites runners to tackle scenic 5 mile or 10 mile trail courses and enjoy a festive community atmosphere. All proceeds support Clarence Schock Memorial Park with trail maintenanc..

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.

Celebrate the season at the Minty Miler in Jim Thorpe on Saturday December 13, 2025. This family friendly one hour run or walk loops Penn Forest Park with minty treats, mugs while supplies last, and age group awards.

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.

Run the Last Supper 100k in Roxbury NJ on Dec 27, starting at Horseshoe Lake. Choose solo or relay teams up to 10 and tackle scenic trails and lakeside roads for a winter ultramarathon adventure.

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.

Enjoy rugged woodland trails at the Mahlon Winter Donut Trail Run & Hike in Lake Hopatcong, NJ on March 1, 2026. Choose a 5 mile or 10 mile route through the Mahlon Dickerson Reservation for a true trail challenge in any weather.