Trail Running calendar near Williamsport 2025-2026

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

Join the Freeze Your Gizzard 5K or 1 Mile on Nov 22 at Ida Lee Park in Leesburg for a scenic but challenging cross country course and lively community vibe. Pre registered 5K runners receive a long sleeve shirt and the event supports Loudou..

Event details The 2025 Herndon Turkey Trot is a cross-country style 5K held on November 22 at the Herndon Community Center, 814 Ferndale Ave., Herndon, VA. The race is open to participants age 4 and up. Runners must complete the 5K in 45 mi..

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.

Celebrate Thanksgiving at the 21st Annual Catonsville High School XC Turkey Trot with a cross country style 5K and 1 Mile Family Fun Run in Catonsville, Maryland. Proceeds support the CHS cross country program.

Join the Giveback Community 5K on Saturday November 29, 2025 in Derwood MD for a friendly run or walk at Needwood Trail. Skip the entry fee and bring two nonperishable food items to support the Give Back Initiative and local families.

December 2025

Devil Dog Ultras in Prince William Forest Park offers 50K, 100K and 100 mile trail loops on well marked single track and rolling fire roads. Expect staffed aid stations, limited bunkhouse beds and a lively winter ultrarunning weekend.

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..

Tackle scenic trails around Occoquan Reservoir at the Fall Backyard Burn Trail Run in Fountainhead Regional Park on Dec 7, 2025. Choose a 4.8 or 10.5 mile route, enjoy course support and post race food while supporting Homestretch.

Enjoy a scenic 13.1 mile run along the C&O Canal Towpath at the Founders Half Marathon in Potomac, part of the DCRR Snowball Series. Friendly on course support and post race snacks make this a welcoming community event.

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.

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.

January 2026

Join the Food for Others 5k and 10k at Leesylvania State Park on Jan 17, 2026 for scenic trail and paved sections, small hills, and a festive finish with tech shirts and medals. Proceeds benefit the charity and a virtual option is available..

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..

Run the Patriotic Pursuit in Williamsport Park with 5k, 10k and half marathon options along the scenic flat C&O Canal Trail by the river. Chip timing, tech shirts, finisher medals and a virtual option support 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.

February 2026

Brave wooded trails at Prince William Forest Park on Feb 1, 2026 with distances from 5k to 50k, featuring technical hills, roots and scenic views. Support Semper K9 and earn medals, tech shirts and chip timing in this winter trail challenge..

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.

March 2026

Join the Bigfoot Endurance 5 and 10 Mile at Rockburn Branch Park on March 1 2026, with a team relay option. Get a long sleeve shirt, finisher medal and two post race beers while supporting Parkinson's research on scenic gravel and natural t..