Trail Running calendar near Bel Air 2025-2026

Naked Nick at Blue Marsh Lake offers 25K and 50K trail races on mostly single track with lollipop loops and winter mud or snow possible. Aid stations, chef prepared post race food and German style finisher mementos add charm.

Frosty Looper invites you to an 8 hour timed loop at Cooper River Park, with views of the Philadelphia skyline and the lake. Run as many 3.75 mile laps as you can in this friendly winter endurance challenge.

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.

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.

Join the Sierra Club Lancaster Polar Bear 5K trail run and hike on January 10 for a chilly, scenic outing with some hills at Lancaster County Central Park. Chip timed and dog friendly, the event raises funds for local environmental grants.

Run scenic trails at Leesylvania State Park on January 17, 2026 and support Food for Others with 5k and 10k distances. Enjoy a mixed trail and pavement course, in person or virtually, with finisher medal and tech shirt for early registrants..

Take on rugged trails at Killens Pond State Park in Felton Delaware during the Angela Ivory Memorial Trail Runs on January 24 and 25 2026. Distances include a 50k, 100 Miler and 24 Hour event; 50k is currently full.

Challenge yourself on scenic singletrack at Rockburn Branch Park in the Mid Maryland Trail Festival, featuring a 50K and a 50K relay. Run six loops or join a team of 2 to 6 with options to run fewer loops and aid stations on course.

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.

Run scenic, tame trails along the Little and Middle Patuxent Rivers in Columbia, MD during a fun January race weekend. Choose 5K, 10K or half marathon distances and earn finisher medals, a long sleeve shirt and knit gloves.

Test your limits on this timed trail ultra at Little Bennett Campground with 5 and 9 hour solo and relay options on a scenic 4.4 mile loop. Enjoy aid stations, Altra demos and a post race chili while supporting Montgomery Parks Foundation.

Run four 5k trail races at Elephant Swamp Trail in Monroeville, NJ from Feb 22 to Mar 15, 2026. Series scoring, end of series awards and a finisher medal at each race plus hot chocolate and a discount for full series.

Take on scenic river trails at the Paradise Springs 5k and 10k in Clifton VA on February 28, 2026, featuring challenging rocky sections and plenty of elevation. Finish at Paradise Springs Winery with a finisher medal, tech shirt and a compl..

Take on the Hashawha Hills 50K in Westminster MD, a scenic trail run of two equal loops through woods, meadows and rolling farmland. Expect runnable single track, gravel sections and a few stream crossings for a varied, fun ultramarathon.

Hit the trails at the Bigfoot Endurance 5 and 10 Mile on March 1, 2026 at Rockburn Branch Park, with solo and relay entries on easy to moderate terrain. Entry includes a long sleeve shirt and finisher medal and benefits Parkinsons research.

Naked Bavarian is an ultra trail at Blue Marsh Lake in Leesport, PA with 20 and 40 mile options on mostly single track and gravel. Enjoy rugged climbs, supportive aid stations and a German style finisher memento.

Join the scenic Seneca Creek Greenway Trail in Gaithersburg MD on March 7, 2026 for a marathon or an extended 50K. Run single track parkland trails and choose to finish at the marathon or keep going to complete the 50K.

Take on runnable hills, mud and possible snow on the Ranger Trail at Codorus State Park with 8 Miler, 25K or 50K loop options. Presented by York Road Runners Club, the race benefits a local animal rescue and offers prizes and swag.