PITTSFIELD â Keith Girouard never had seriously hiked before he walked the entire Appalachian Trail in 110 days shortly after graduating from the University of Connecticut in 1977. That's an impressive feat for any hiker, let along a relative novice. That 2,190-mile journey along the East Coast between Maine and Georgia takes the typical hiker five to seven months to complete, according to the Appalachian Trail Conservancy. "It taught me about the power of persistence," Girouard said. "In my case, how numerous steps can carry you a great distance." Berkshire regional office, Massachusett...