Trail Running calendar near Glen Rock 2025-2026

Hit rugged singletrack at Hex Hollow Half in Glen Rock PA on Nov 23, 2025 with a half marathon or 6.66 mile loop. Early registrants get an anniversary tee and proceeds benefit Olivia's House Grief & Loss.

Run a scenic fall trail through Manassas National Battlefield from The Winery at Bull Run with 5k and 10k options, in person or virtual. Enjoy a postrace glass of wine and a finisher medal while supporting the Manassas Battlefield Trust.

Join the 21st Annual Catonsville High School Turkey Trot on Thanksgiving morning for a family friendly 1 Mile fun run and a competitive chip timed 5K in Catonsville, Maryland. All proceeds support the CHS cross country program.

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.

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..

Trail run at Fountainhead Regional Park around the Occoquan Reservoir with a 4.8 mile loop and a 10.5 mile option. EX2 Adventures provides on course aid, post race food and swag and a kids race supporting Homestretch.

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..

Celebrate the season at the Holiday 4 Miler in mid December at Lake Accotink Park in Springfield. Run a scenic loop on paved and dirt trails along the CCT, with in person and virtual options.

The Founders Half Marathon in Potomac on December 14 showcases a scenic 13.1 mile out and back along the C&O Canal Towpath and serves as race two of the DCRR Snowball Series. USATF certified with post race snacks and online registration.

Join the Anniversary Run 15K at Quiet Waters Park, a scenic trail race that wraps up the Annapolis Striders Championship Series. Finish at Sassafras Pavilion for awards, a lively community vibe, and volunteer opportunities.

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.

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 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.

Run the Mid Maryland Trail Festival at Rockburn Branch Park in Elkridge, MD, a scenic 50K on wooded trails made up of six loops of about 5.18 miles each. Solo runners or teams up to six can tackle the full distance or share loops in a relay..

Patriotic Pursuit at Williamsport Park offers 5k, 10k and half runs along a flat scenic C&O Canal Trail beside the river. Chip timed with finisher medal, tech shirt and virtual option supporting Semper Fi & America's Fund.

Enjoy a scenic trail run along the Little and Middle Patuxent rivers in Columbia, Maryland. Choose from a half marathon, 10K or 5K on Jan 31 to Feb 1, 2026 at the Guilford Pratt Truss Bridge for a tame and rewarding trail experience.

Run a timed trail ultra at Little Bennett Campground on scenic 4.4 mile loops, choosing 5 or 9 hour solo or relay challenges. Enjoy aid stations, Altra shoe demos, a long sleeve race top and a post race chili bar while supporting Montgomery..

Take on a technical trail at Paradise Springs with rocky riverside singletrack in 5k or 10k. Finishers get a medal, technical shirt and a glass of wine while supporting the John P. Mayhugh Foundation.