Chad Kellogg
... that Chad Kellogg was the first known person to ascend and descend Mount McKinley in under 24 hours?
... that <b id="mwB7w"><a href="./Chad_Kellogg" id="mwB70" rel="mw:WikiLink" title="Chad Kellogg">Chad Kellogg</a></b> was the first known person to ascend and descend <a class="mw-redirect" href="./Mount_McKinley" id="mwB74" rel="mw:WikiLink" title="Mount McKinley">Mount McKinley</a> in under 24 hours?