More power to him. When I was young and skinny, I started noticing effects at a sustained 60 miles/week. I really don't think he's setting a dangerous example,

More power to him. When I was young and skinny, I started noticing effects at a sustained 60 miles/week. I really don't think he's setting a dangerous example, because most people trying to emulate him would find that something gives--joint, muscle, whatever--before it got to the point of danger.