But it is not a journey without sacrifice.
"I don't own a home," he said. "I'm self-employed. I drive derelict vehicles. I have to work on every weekend. But it's been well worth it. The sacrifices I've had to make to get out on the trail every summer has been well worth it."
Williamson has received support from his father, Dave, who has shipped prepacked meals for his son to post offices along the route.
"Without the support I've had from my father, as well as the encouraging words random strangers have given me, I don't know if I could do it," Williamson said. "The support of other people I've had both on this hike and over the years has been a tremendous part of it."
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