Trail Running calendar near Grassflat 2026-2027

We have found 61 Trailruns within 80 miles of Grassflat. See below where and when you can find the races.

This 5K run/walk takes place on the scenic Jim Mayer Riverswalk Trail in Johnstown, following the Stonycreek River. It's part of the Cambria County Trails Series, with proceeds supporting local trail enhancements.

A free trail run for kids 12 and under in Lock Haven. The 3 mile course has small hills and is part of a three race series. After the run, there will be lunch and activities.

The Pine Creek Challenge is a trail run on the scenic Pine Creek Rail Trail in Pennsylvania's Pine Creek Gorge. Runners can choose from 100-mile, 100k, 50-mile, and marathon distances on an out-and-back course. The event starts and finishes..

The Boulder Beast in Lock Haven, PA, is a demanding trail run featuring a famous boulder field and diverse terrain. Runners can choose between a 25-mile or 25K distance, both with strict daylight cut-off times. The event includes camping, a..

Event Overview The Tröegs Rugged Trail 5K Run for Conservation is an annual fundraiser for the Ned Smith Center for Nature and Art. The event is held at the Ned Smith Center in Millersburg, Pennsylvania. All proceeds support the center's la..

A trail event at Marilla Reservoir in Bradford, PA on September 26, 2026, featuring 14 mile and 7 mile runs plus a 4 mile hike on gravel, dirt, and single track with chip timing and aid stations.

Experience the beautiful trails of RB Winter State Park with a half marathon or a four mile trail run. Enjoy a family friendly atmosphere featuring local food and music while supporting local community organizations.

October 2026

The Chernisky Ghost Town Trail-a-thon offers runs and a bike ride on Pennsylvania's Trail of the Year. Choose from a marathon, 15-miler, 5k, or a casual 26.2-mile bike ride. All finishers get a medal, and proceeds support local trail and fi..

Early October trail running at Boal City Brewing in Boalsburg, PA, featuring a 5K and a short Mini Monster loop, trails through the Boal Estate and local preserves, awards, and a beer for participants 21 and older.

Event Overview The Black Forest Ultra is a 100 km trail race in the Black Forest Trail area of the Pennsylvania Wilds. The course is a loop with over 13,400 feet of elevation gain, including climbs of over 1,000 feet in under a mile. It tak..

Course Details The Think Big Trail Challenge offers 5K and 10K distances on trails at the Williamsport Water Authority in South Williamsport, Pennsylvania. The routes incorporate several named trails. The Bluebird Trail section is known for..

Experience the rugged beauty of Bald Eagle State Forest at a trail event featuring technical singletrack and steep climbs. Choose between a punchy 10K or a scenic half marathon through the remote Poe Valley mountains.

Take on the Green Monster Trail Challenge in Pennsylvania's Tioga State Forest. Choose from 15K, 25K, or a demanding 50K course with significant elevation gain. Enjoy local support, a post-race feast, and unique event swag.

Trail races in Emporium, Pennsylvania on October 17, 2026 offer 12k, 25k and 50k distances plus a 50k relay, using rail trails, dirt roads and sections through Elk State Forest with aid stations and post-race food.

Call Of The Wilds Mountain Fest challenges runners on Pennsylvania's rugged trails. Choose between a steep 25K with over 5,000 feet of climbing or a 10K with 1,000 feet of gain. Finish line celebrations include food and drink for all partic..

Experience a scenic trail run on the Lakeshore Trail loop at Little Pine State Park. This inclusive event welcomes 200 runners and hikers for a five and a half mile course held during the Call of the Wilds Mountain Fest.

Choose your adventure in Pennsylvania's fall landscape with the Dark Sky 220, Cherry Springs 110, or Wooly 50K. Run supported, self-supported, or even virtually, with all proceeds funding veteran athletes. This multi-day event offers a uniq..

Experience a unique Halloween nighttime run on the Ghosttown Trail. This 5-mile event features a spooky atmosphere with decorations, a closed course, and requires participants to bring their own light. Costumes are encouraged for this annua..

November 2026

The View Trail Race returns for its sixth year, offering fall running on classic Hyner Challenge trails. Choose between a challenging 25K or a scenic 15K option that reaches the famous viewpoint. Registration is limited to 500 serious parti..

Explore the technical trails of Pennsylvania's Pine Creek Valley at the Tiadaghton Trail Challenge. Choose between a Half Marathon or 10K on rocky, forested loops with waterfalls and vistas. All proceeds support a local student scholarship..