ow" colspan="2">
<div>
<ul>
<li>1966: 10 km walk (track)</li>
<li>1970 – present: 20 km walk (road)</li>
</ul>
</div>
</td>
</tr>
<tr style="height:2px;">
<td colspan="2"></td>
</tr>
<tr>
<td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0px;">
<div style="padding:0em 0.25em;">
<ul>
<li>1966: <a href="//en.wikipedia.org/wiki/Jos%C3%A9_Pedraza_(athlete)" title="José Pedraza (athlete)">José Pedraza</a> (MEX)</li>
<li>1970: <a href="//en.wikipedia.org/wiki/Eladio_Campos" title="Eladi