I like to hike, a lot, but I just do not understand this:

Outdoor adventurers call this pastime speed hiking. It combines the muscle-building benefits of altitude gain with fast-paced aerobic activity, which keeps heart rates high. Fast hikers usually wear lightweight footwear and hydration backpacks and minimize what they carry. Most trips are done in a day.

(New York Times)

If all you want is the exercise, buy a treadmill.

H/T:  Breitbart)

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