Have you ever looked at a gaggle of marathon runners jogging through the streets and thought it would be interesting to try it yourself, testing your physical limits and mental discipline? Even if you caught the bug, it can be difficult to know where to start.
Dave Obelkevich, 83, had the same thought as a young man—although he says he thought that marathon running would be “fun.” So he opened a bestselling running book. Rule number one in the book? Never walk…