Childbirth Envy: Why Men Run Ultras
Dr. Blake P. Wood
Los Alamos National Laboratory
Los Alamos, NM 87545
A new theory is advanced to account for the observation that participants in the sport of ultrarunning are overwhelmingly male. It is suggested that male ultrarunners suffer from "childbirth envy" - the subconscious desire to duplicate the painful experience of childbirth.