Trail Running calendar near Grassflat 2025-2026

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.

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..

Run a chip timed 5k through two vineyards at Armstrong Valley Winery in Halifax PA on a scenic cross country course with some uneven footing and hills. Finishers get a soft tee, a collapsible wine glass, a medal that doubles as a bottle sto..

Choose a 10K course or a hillier half marathon at the Dirty Kiln Trail Races in Canoe Creek State Park, featuring lake loops, stream crossings and muddy singletrack. Family friendly for ages 8 to 100, organized by volunteers with proceeds b..

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.

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.

Take on the Susquehannock Trail Ultra in Coudersport PA on May 16, 2026, an 83 mile single track challenge with over 14,000 ft of climbing. Rugged navigation and remote aid stations make this a true endurance test with a 36 hour cutoff.

Join the Path of the Flood on May 23, 2026 with 5K, 8 Mile, or 14 Mile courses that pass through the luminary lit Staple Bend Tunnel and scenic trails, finishing at Peoples Natural Gas Park. Proceeds benefit Cambria County trails.

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..

Challenge yourself on the Ironstone 100K, a scenic point to point ultramarathon across the Alleghenies. With minimal aid stations and a grassroots, all volunteer vibe, this tough July race is part of the GrandSlam SufferFest Series.

Run for the Elk Race Festival in Emporium PA on July 26, 2026 showcases 5K to Boston qualifying marathon distances on the scenic West Creek trail. Finishers get a medal and tee and refuel with local pizza amid elk country.

Take on the Eastern States 100, a 103 mile single loop around the Pine Creek watershed in the Pennsylvania Wilds featuring over 20,000 feet of climbing. This rugged ultramarathon on August 8, 2026 draws passionate trail runners and supporti..