Trail Running calendar near South Williamsport 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.

Icicles on the Moon is a night trail run at Zindel Park in Lock Haven, PA, on December 27 that raises funds to revitalize the park. Choose a 7 mile or 5K route around the reservoir, bring a headlamp and be ready for winter trails.

Run the Greenwood Furnace Snowfest 5 mile trail in Greenwood Furnace State Park, with a big climb to Stone Mountain and a fast downhill finish. Stay for SnowFest activities like snowshoeing, bonfires and a Polar Plunge.

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.

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.

Conquer the Fire on the Rocks 10K at Zindel Park, an intermediate trail challenge featuring rugged climbs, technical singletrack, and sweeping views. Reward yourself with sticky buns, drinks and friendly post race vibes at the Durty Dabbers..

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..

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.

Run rugged singletrack, big climbs, vistas and stream crossings at the Hyner View Trail Challenge, offering 25K and 50K options. Limited entries and the 50K joins Rocksylvania. Remote site has hard cutoffs and no on site water.

Join SHEastern States Weekend, a three day women's trail camp in Lock Haven PA with guided night and long runs, evening clinics, cabin lodging, meals and group transport. Run in no drop groups and recharge with fellow women runners.

Push your limits on scenic single track around Hills Creek Lake with 3, 6 and 12 hour time based options plus a 12 hour four person relay. Run as many roughly 3 mile laps with about 200 ft of climb per lap and enjoy lakeside aid and camping..

Join Crystal Lake Outdoor Center for the 10th Annual Trail Race on May 9, 2026, with 5 km and 25 km courses across scenic, varied terrain. Proceeds support the center and overnight lodging is available before the event.

Test your legs on rugged trails and sweeping Susquehanna views at the Miller Mountain Trail Challenge in Tunkhannock, PA, with 25K run or hike and 5 Mile options featuring steep climbs and rocky descents. Finishers get custom swag, a finish..

Discover single track trails from the Susquehanna River to the Allegheny Plateau in Lock Haven, with race options from 10K to 46K. Enjoy a gourmet post race spread and watch for registration coming soon.

Rothrock by UTMB is a UTMB World Series multi day trail race in May through Rothrock State Forest, showcasing sandstone ridges, rhododendron tunnels and spring blooms. Expect challenging terrain and warm local hospitality in Happy Valley.

Worlds End Ultramarathon in Forksville PA on May 30 2026 features two single loop trail distances along the scenic Loyalsock Trail. Rugged single track, waterfalls and rocky overlooks make for a demanding backcountry race.

Take on the scenic Slate Run Trail Race in Tiadaghton State Forest on June 6, 2026, with half marathon and 25K options over technical single track, stream crossings, and sweeping vistas. A rugged, rewarding day on the Black Forest Trail.

Choose the 10K or 5K through Sproul State Forest with roughly three miles of climb to McCloskey Mountain and more than three miles of thrilling downhill to the finish. Enjoy technical single track, stream crossings and stunning vistas, plus..

Run the Spartan Trail Poconos 10K at Blue Mountain on July 12 2026, over scenic singletrack and rolling Pocono hills. Part of a Spartan weekend, the race welcomes solo and team entries and offers service member discounts.