Trail Running calendar near Holtwood 2025-2026

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 per loop. The course includes rocky dirt logging roads, singletrack trails,..

The More Miles Last One Standing Challenge is an endurance running event held in Knoxville, Maryland, featuring a unique "last one standing" format. Participants run a 4.167-mile loop, known as "the yard," every hour on the hour, continuing as long as they can complete the loop within the hour. The..

The Dash Through the Dirt Half is a scenic running event held at Carderock Recreation Area along the Chesapeake & Ohio Canal Towpath in Potomac, Maryland. Featuring a half marathon, 10k, and 5k, the courses are fast, flat, and run on a light gravel dirt trail, ideal for personal records. Each route..

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 1/2 Sauer 1/2 Kraut is a unique marathon and half marathon event held in Philadelphia's Pennypack Park, starting and finishing at the Ed Kelly Amphitheater. The course follows a mostly shaded, paved bike trail along Pennypack Creek, featuring rolling hills and natural scenery without traffic or..

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 Juneteenth Menare Foundation 12k and 6k is a trail running event held at Button Farm in Germantown, Maryland, celebrating Juneteenth. The race features a challenging, hilly, and scenic course that loops through the Schaeffer Farm Trails, with the 6k consisting of one lap and the 12k two laps. Wa..

The Blue Crab Bolt Trail Run at Seneca Creek State Park in Gaithersburg, MD, is a scenic trail running event featuring 5K (3.3 miles) and 10K (6.4 miles) distances with elevation gains of 200 and 450 feet, respectively. Set amidst lake views, streams, and miles of singletrack trails, the course offe..

The Catoctin 50k Trail Run & Half Cat is a challenging ultramarathon held in Frederick, Maryland, within Cunningham Falls and Gambrill State Parks. The 50k course is an out-and-back route on rocky, demanding trails marked by light blue blazes, featuring significant elevation changes and multiple str..

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

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 Sweet Air Trail Race, organized by the Baltimore Road Runners Club, is a challenging 7 to 8-mile trail run held at Gunpowder State Park in Sweet Air, Maryland. The course features a mix of rolling hills, fast sections, water crossings, and occasional mud, providing a varied and adventurous runni..

The Blue Mountain Trail Run, held at Blue Mountain Ski Area in Palmerton, Pennsylvania, offers a scenic 10K trail race through pristine singletrack trails beyond the ski resort boundaries. Known for its challenging terrain, the course features some of the Poconos' legendary hills, providing a favori..

The Endless Summer 6-Hour Run, held annually at Greenbury Point Nature Center in Annapolis, MD, is a timed endurance event featuring solo and relay (3-person teams) categories. Participants run a 2.5-mile loop course that includes a scenic stretch onto Possum Point, offering views of the Chesapeake..

The Quadzilla 15K Trail Race, set in Schnecksville, PA, is known as Lehigh Valley's toughest trail race. The course features a diverse landscape, including rolling hills, water crossings, and single-track trails, providing a challenging experience for participants. Open to ages 13 and up, the race e..

The Run the Vineyards Bohemia Manor Farm 8K is an exciting running event set in the picturesque Bohemia Manor Farm in Chesapeake City, MD. Participants can choose between a scenic 8K trail run and a 5K run, both featuring beautiful views of vineyards and the Bohemia River. The event includes chip-ti..

The Murderkill Ultramarathon, held at Killens Pond State Park in Felton, Delaware, offers 50-mile, 50K, and 12-hour race options on a mostly dirt, 3.1-mile loop trail. The course is relatively gentle with about 80 feet of elevation gain per loop, featuring shaded paths, some roots and rocks, and a s..

The Blue Crab Bolt Trail Run at Schaeffer Farms in Germantown, MD, is a trail running event featuring 5K and 10K++ distances (about 6.7 miles). The course offers a flowy, fast, and fun experience on well-maintained trails with twisty single-track sections, stream crossings, log ramps, some hills, an..