I love hiking! It is a very popular activity in Canada and America!
Yes, I'm an adventure athlete. I love it as well. In fact last year I spent 5 months hiking the Appalachian trail.
Hiking
Hiking is the preferred term, in Canada and the United States, for a long, vigorous walk, usually on trails (footpaths), in the countryside, while the word walking is used for shorter, particularly urban walks. On the other hand, in the United Kingdom, and the Republic of Ireland, the word "walking" is acceptable to describe "all forms" of walking, whether it is a walk in the park or backpacking in the Alps. The word hiking is also often used in
History.
The first person to ever achieve The Triple Crown of Hiking was Eric Ryback. Ryback completed the Appalachian Trail in 1969 as a 16-year-old. He completed the Pacific Crest Trail in 1970 and chronicled it in his 1971 book "The High Adventure of Eric Ryback: Canada to Mexico on Foot". Ryback completed the Continental Divide Trail in 1972 and chronicled it in his second book, "The Ultimate Journey" (now out of print). 
In 2013, Reed Gjonnes, age 13,