I believe you'll develop speed via strength work which includes hill running, either repeats, or running hilly courses as the Kenyans do on a steady basis

I want to run until I can't run

Runners are the ultimate celebration people. Running is just so intense, you're really experiencing life to the fullest.

Running is a very natural activity. If you get too caught up, you find yourself constantly seeking to make running something that it isn't. You should let it be what it is - a very simple activity. Running has become too complicated for many people and they wind up turning sour on the sport, or losing the focus of their direction.

I believe you'll develop speed via strength work which includes hill running, either repeats, or running hilly courses as the Kenyans do on a steady basis

My guess is many top athletes, distance runners included, use performance-enhancing drugs, enough so that the problem must be tackled.

Aiming for the marathon is a task of sorts which can include terrific highs and lows.