Running on Empty

"Over the past decade, ultrarunning has gone from a fringe pursuit for distance freaks to a hypercompetitive sport attracting big-time sponsors. But a mysterious training condition is suddenly plaguing its ranks, robbing a generation of top athletes of their talents and forcing victims to wonder: Is it possible to love this sport too much?"

This article may be speaking about elite athletes and "ultra" running, but the same concept applies to the average person who runs excessively.

Read the full article here.