Running a marathon: 26.2 miles of sweat, tears, and possibly chafed legs, blisters, dehydration and injuries. This does not sound very appealing, yet increasing numbers of people take part in marathons. What are their reasons for doing so?
Why do some people run marathons? And why do they often appear to be so happy, even exhilarated after hours of running? There must be something wrong with them, or do they know something that we don't?