Going as fast as you can on workouts is probably not the most effective way to develop long-term.

I would be a really bad football coach, either American football or the fake type. The reason is that it’d be right before an important practice, and everyone would gather around. The athletes would be excited, ready to rock. And I’d give my rallying cry: “Everyone, let’s go out there and give a comfortable 80-percent effort today!”
We’d go on to get stomped by the opponents. But we’d be happy, and we’d still enjoy orange slices at halftime.
The problem is that with running, ….
More by : David Roche