Boyd Big Tree Trail Series

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 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 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 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..

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..