>Running 101>Why does running fast stress your body more than easy runs?
Its not the speed, its your wandering mind that stresses your body
+1 to remembering the Ipod
you guys reference physics and work as the reason, but you have the wrong units.
So as time decreases, and work stays constant, Power will increase. Therefore the less time you take to run the same distance, the more power is required.
Work is force x distance, brother.
The Logic of Long Distance