hosted the Rachel Carson Trail Challenge. Participants attempt a 34-mile long, one-day, sunrise to sunset endurance hike along the trail. The stated challenge is simply to finish the entire stretch before sunset, after approximately 15 hours. Two shorter challenge routes of 18 miles and 8 miles are offered as well. The trail has also been part of the 100 Mile Quest, a challenge to hike 100 miles on the region's trails in one year. References Hiking trails in Pennsylvania Trail 1975 establishments in Pennsylvania Long-distance trails in the United States