Trail Running calendar near Mount Gretna 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.

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.

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.

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 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.

Frozen Snot is a winter trail race in McElhattan PA on steep technical terrain with boulder fields, rope assisted descents and icy conditions. Limited to 350 runners, it offers 25K, long and short courses for tough cold weather runners.

SnowFest is a wintry 4 mile trail run through the woods at R.B. Winter State Park in Mifflinburg, Pennsylvania on February 22, 2026. Join Mid Penn Trailblazers for a chilly forest run and postrace warmth at the park pavilion.

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.

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.

Experience a scenic chip timed 5k through two vineyards at Armstrong Valley Winery on March 15 2026, with rolling terrain and country charm. Finishers get a T shirt, a collapsible wine glass and a medal that doubles as a bottle stopper, plu..

Tackle the HAT Run 50K, a scenic and challenging trail race in Havre de Grace on March 21, 2026. Expect varied terrain, nearly 4,400 feet of climbing and a few stream crossings that keep the adventure real.

Join Washed Clean on March 28 at Genesis Church in York for a fun trail run or walk that finishes with a foam celebration and a free kids fun run. Family friendly and charity focused, register early for a free t shirt and water bottle.

The Long Run Spring Forward at Jacobsburg State Park offers a scenic 5 mile loop with 5 mile, 3 hour and 6 hour options. Bring your own hydration for this friendly, spectator ready trail event with sustainable swag.

Join the 19th Annual Susquehanna Warrior Trail 5K Run and Fun Walk April 4 2026 in Shickshinny, PA along a flat out and back trail. Enjoy Easter themed fun with T shirts, photos with the Easter Bunny, lunch, and trophies for top finishers.

Join the Great Marsh Mud Mosey in Elverson on April 11 for a muddy 5K or 1 mile walk through marsh, woods and farmland with a grassy finish. Small field and festival vibe with proceeds benefiting the Great Marsh Institute and ChesCo Search..

Hit the rolling, rugged singletrack at Rockland Rad Run Sunday April 12 2026 at Forever Farm in Mertztown PA, a trail running festival for all abilities. Choose a marathon, half, 10k or 5k then relax with postrace food and a free drink.