The first All-American <a href="https://en.wikipedia.org/wiki/Soap_Box_Derby" id="mw0w" rel="mw:WikiLink" title="Soap Box Derby">Soap Box Derby</a> is held in <a href="https://en.wikipedia.org/wiki/Dayton,_Ohio" id="mw1A" rel="mw:WikiLink" title="Dayton, Ohio">Dayton, Ohio</a>.