Trail Running calendar near Mifflinburg 2025-2026

The Bubbletown What The Duck Ultra is a 12-hour ultra marathon taking place at Spring Meadows Park in Boiling Springs, Pennsylvania. Participants can run solo or as part of a team, with the course consisting of a 1.4192-mile loop on a smooth dirt and crushed rock surface. All participants receive a..

The Charlie Horse Trail Half-Marathon and Dirty Pony 5K take place in Mohnton, Pennsylvania, primarily on the scenic Horse-Shoe Trail. The half-marathon offers a challenging mix of trail and road running, featuring single-track paths, country roads, and a rugged Plowville section with natural obstac..

The Worlds End Ultramarathon is a challenging trail race held in Forksville, Pennsylvania, exploring the scenic Loyalsock Trail, Loyalsock State Forest, and Worlds End State Park in the Endless Mountains. It offers two distances: a 100k (63.8 miles) with 12,395 feet of elevation gain, and a 50k (31...

The Berry Mountain Backyard Trail Challenge is a 12-hour endurance event held in Millersburg, Pennsylvania. Participants run, hike, or crawl as many loops as possible on a 2.36-mile trail featuring 780 feet of elevation gain. The course includes rocky dirt logging roads, singletrack primitive trails..

The Slate Run Trail Race, held annually in Slate Run, Pennsylvania, offers a challenging 25K and Half Marathon through the rugged Tiadaghton State Forest. The course traverses the Algerine Wild Area and Red Run sections of the Black Forest Trail, featuring technical single-track trails, stream cross..

The Bashore Bash 6HR & 12HR Ultra is an exciting endurance running event set in the scenic Blue Mountains at the Bashore Scout Reservation in Jonestown, PA. Participants can choose between a 6-hour or 12-hour ultra race, navigating a challenging course that features technical trails with natural obs..

The Half Ass 25k & 10k is a challenging trail running event held in Newville, Pennsylvania, at 1599 Doubling Gap Road. The race offers two distances: a 10k with over 2,000 feet of elevation gain, and a more demanding 25k featuring over 4,000 feet of vertical gain, including iconic park highlights li..

The Awesum Possum Lake Trail Adventure, held in memory of Steve Fealtman, is a running and walking event taking place at Opossum Lake Park in Carlisle, PA. Participants can choose from a 6-mile obstacle course, a 4-mile run, or a 4-mile walk, all set against the scenic backdrop of the lake and its s..

The Treaster Kettle Test-Your-Mettle is a 10.6-mile out-and-back trail race held in Boalsburg, Pennsylvania, starting from Colyer Lake. It follows leg 11 of the Tussey Mountainback 50-mile loop course, featuring a scenic route to Bear Meadows and back. The course includes a water station at mile 5.3..

Smith's Knob Scramble is an 8-mile trail race held in Montoursville, Pennsylvania, featuring a challenging course along the Loyalsock Trail that ascends the steep Smith's Knob. The event also offers a new 4.5-mile "Half Scramble" loop, ideal for beginners, which includes a mix of single track and lo..

Smith's Challenge Trail Run, directed by the Lancaster Road Runners Club, is a historic trail running event held at Lancaster County Central Park in Pennsylvania. Celebrating its 36th anniversary in 2025, the race offers two distances: a 5-mile and a 10-mile trail run, with the 10-mile race consisti..

The Run For the Ages 10K Trail Chase is a scenic trail running event held in Nolde Forest, Cumru Township, near Reading, Pennsylvania. This unique race features an age-graded start, giving runners of all ages and genders a fair chance to compete for the overall title. The course is a well-marked 10K..

The Sproul 10K is an annual trail running event held in Hyner, Pennsylvania, within the scenic Sproul State Forest. Known as one of the toughest 10K races in Pennsylvania, the course features a challenging 3-mile uphill climb to the summit of McCloskey Mountain, followed by a fast 3.7-mile descent...

The Damon S. Young Memorial Race, held in Tunkhannock, PA, offers a variety of distances including a half marathon, 10K, 5K run/walk, and a 2-mile fun walk. The course features dirt roads, fields, and trails on the Young Family property, with scenic views and challenging climbs totaling up to 1,700..

The YMCA Hometown Heroes Trail 5K is a challenging trail run held in Elizabethville, Pennsylvania, organized by the Northern Dauphin County YMCA along with Harrisburg YMCA Races and Harrisburg Area YMCA. The event features a 5K trail course winding through scenic trails around the YMCA grounds, offe..

The Little Loggers Trail Fest is a free trail running event for children aged 12 and under, held in North Bend, Pennsylvania. The course is approximately 2.75 miles long, featuring a few small hills and possibly a stream crossing, providing a fun yet manageable challenge for young runners. The trail..

The Eager Seeger Half Marathon is a challenging 13.6-mile race held in Boalsburg, Pennsylvania, featuring a loop course through the Alan Seeger Natural Area. Part of the Tussey Teaser Series, it includes the toughest hill on the Tussey Mountainback course, climbing over 1,300 feet in the first four..

Run With a View V is a trail running event held in Troy, Pennsylvania, at Mt. Pisgah County Park. The race features a challenging 5K course that winds through scenic woods and natural paths, including rocks, tree roots, grass, dirt, and hills.Unlike typical road races, this trail run offers a more r..

On The Rocks Trail Runs is a challenging trail running event held at Rocky Ridge County Park in York, Pennsylvania. The race features multiple distances: 50K, 33.3K, 16.7K, and 10K, all set on a course characterized by rolling hills, rocky terrain, dirt paths, and tree roots. Each loop includes appr..

The Ironstone 100K Ultra is a challenging 100-kilometer point-to-point ultramarathon held in the Allegheny Mountains of Pennsylvania. Starting at Canoe Creek State Park in Blair County and finishing at Greenwood Furnace State Park in Huntingdon County, the course traverses rugged trails including th..