Just so I'm giving a clear picture here, I probably walk 2/3 or 3/4 of the time I do my runs. I can go fairly far because I can walk 3 miles, and often do. It's about one and a half miles to Walmart so I walk there, walk around the store, and then walk home. Sometimes I go to another store or two before I go home, so walking is not difficult. Running! Man, that is difficult.