Are you sure you know how long a mile is? At an average walking speed of 2.8mph, that's 4.6 hours of walking. The average American adult walks around 2.5 mile

Are you sure you know how long a mile is? At an average walking speed of 2.8mph, that's 4.6 hours of walking. The average American adult walks around 2.5 miles per day, mostly indoors trips between rooms. The American knowledge-worker or automobile-dependent suburbanite will tend to have a lower average. Jogging / long-distance-running tends to be about twice that fast, or 2.3 hours of activity. Per day. Ten percent of their lives, running. Most people don't come anywhere close.