marathon events
... that marathon events have been held at the Paralympic Games since 1984?
... that <b id="mwGqk"><a class="mw-redirect" href="./Marathon_at_the_Paralympics" id="mwGqo" rel="mw:WikiLink" title="Marathon at the Paralympics">marathon events</a></b> have been held at the <a href="./Paralympic_Games" id="mwGqs" rel="mw:WikiLink" title="Paralympic Games">Paralympic Games</a> since 1984?