Trail Running calendar near Mifflinburg 2026-2027

SHEastern States Weekend is a women's trail running camp in Lock Haven, PA. Over four days, participants run over 50 miles on the legendary Eastern States course. The inclusive event includes lodging, meals, and support for all paced groups..

Trail-based endurance event at Hills Creek Lake near Wellsboro, PA, featuring a 3-mile loop and timed options including a 12-hour relay for teams up to four people.

A trail running event in Huntingdon, Pennsylvania on May 3, 2026 offering a 12K course and a half marathon at Greenwood Furnace. Registration opens February 1, 2026.

A nonprofit 10th annual trail race at Crystal Lake Outdoor Center in Hughesville, PA on May 9, 2026, offering 5k and 25k courses across cross country trails. Proceeds support center operations and trail maintenance.

Trail event in Tunkhannock, PA on May 9, 2026 offering a demanding 25K with about 4,700 feet gain and a 5 Mile with about 2,000 feet gain, multiple climbs, aid stations, finisher gifts and a post-race meal.

A multi-distance trail event near Lock Haven, PA, featuring rugged technical singletrack from a mountain 10K up to an 86-mile ultra. Ruck divisions have specific weight rules and the ultra includes sustained climbing and remote sections.

Rothrock by UTMB offers a pure trail running experience through the sandstone ridges and rhododendron tunnels of Pennsylvania's Rothrock State Forest. The event features 25K and 50K distances as part of the UTMB World Series. Set in Happy V..

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.

This 5.3-mile trail run at Frances Slocum State Park is the 34th annual spring event and a memorial for Jen Stec. It features a unique age-group graded, staggered start where awards go to the top 15 finishers. Registration is online only wi..

A trail and road half marathon plus an all trail 5K on the Horse-Shoe Trail in Mohnton, PA, featuring varied terrain, three aid stations and age group awards, with proceeds benefiting Berks County Special Olympics.

A trail ultramarathon in Worlds End State Park and Loyalsock State Forest near Forksville, PA offering 100k and 50k routes over rugged single track with waterfalls, overlooks and substantial elevation gain. The 100k requires a qualifying re..

A remote trail event in Tiadaghton State Forest offering a 25K and a Half Marathon that share a nine mile section through technical single track, streams, and scenic viewpoints; registration opens December 16, 2025.

Awesum Possum Lake Trail Adventure at Opossum Lake Park offers a 6 mile obstacle course, a 4 mile run, and a 4 mile walk. The mixed-terrain course follows the Anglers Access Trail, uses chip timing, and benefits the Friends of Opossum Lake..

A three night camp in Lock Haven, PA focused on running authentic Eastern States 100 night sections. Participants run long, rugged point to point segments and return to Ponderosa Lodge for lodging, meals, recovery, and optional daytime acti..

A mountain trail 10K in Sproul State Forest with a roughly three mile climb to McCloskey Mountain, technical single track and stream crossings. Entry is limited, closes June 1, and the event has no race day sign ups or refunds.

A free kids-only trail race on June 21, 2026 at Western Clinton Sportsmans Club in Hyner / North Bend, PA, featuring a flagged 2.75-mile course with volunteers and an aid station, plus a post-race lunch and series participation option.

This unique 10 km trail race in Nolde Forest features an age graded start, giving runners of all ages a chance to compete for the overall win. The challenging yet runnable course supports a local nonprofit. It's a trail chase where anybody..

A point to point 100 kilometer trail ultramarathon across the Ridge and Valley region of southern Pennsylvania, covering Juniata River watershed and Rothrock State Forest. Organized by the Eastern States Trail-Endurance Alliance on July 11..

Explore hidden singletrack trails at Pennsylvania's Blue Mountain Ski Area in this 10K summer trail run. The course features wooded paths and steep climbs outside the main ski area. It is part of a larger Spartan obstacle racing festival we..

A 50k out and back on the West Rim Trail near Wellsboro, Pennsylvania on July 18, 2026. Organized by the Tyoga Running Club with event updates shared on Facebook.