Sy Mah
... that Sy Mah, who held a Guinness World Record for the most lifetime marathons, completed his first marathon in the same race in which he coached 13-year-old Maureen Wilton to a women's world record?
... that <b id="mwFdg"><a href="./Sy_Mah" id="mwFdk" rel="mw:WikiLink" title="Sy Mah">Sy Mah</a></b>, who held a <a class="mw-redirect" href="./Guinness_World_Record" id="mwFdo" rel="mw:WikiLink" title="Guinness World Record">Guinness World Record</a> for the most lifetime <a href="./Marathon" id="mwFds" rel="mw:WikiLink" title="Marathon">marathons</a>, completed his first marathon in the same race in which he coached 13-year-old <a href="./Maureen_Wilton" id="mwFdw" rel="mw:WikiLink" title="Maureen Wilton">Maureen Wilton</a> to a <a class="mw-redirect" href="./Marathon_world_best_progression#Women" id="mwFd0" rel="mw:WikiLink" title="Marathon world best progression">women's world record</a>?