Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Mikhail Ryzhov (racewalker)
Table title:
Competition record
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Competition </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Event </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <th colspan=6 rowspan=1 > Representing Russia </th></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Universiade </td><td colspan=1 rowspan=1 > Shenzhen, China </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 20 km </td><td colspan=1 rowspan=1 > 1:24:26 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > World Race Walking Cup </td><td colspan=1 rowspan=1 > Saransk, Russia </td><td colspan=1 rowspan=1 > 17th </td><td colspan=1 rowspan=1 > 50 km </td><td colspan=1 rowspan=1 > 3:53:49 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 2013 </td><td colspan=1 rowspan=2 > European Race Walking Cup </td><td colspan=1 rowspan=2 > Dudince, Slovakia </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 50 km </td><td colspan=1 rowspan=1 > 3:44:41 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Team - 50 km </td><td colspan=1 rowspan=1 > 12 pts </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Championships </td><td class="highlighted"  colspan=1 rowspan=1 > Moscow, Russia </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td class="highlighted"  colspan=1 rowspan=1 > 50 km </td><td colspan=1 rowspan=1 > 3:38:58 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2014 </td><td colspan=1 rowspan=1 > World Race Walking Cup </td><td colspan=1 rowspan=1 > Taicang, China </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 50 km </td><td colspan=1 rowspan=1 > 3:39:05 </td></tr>
<tr> <td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Zürich, Switzerland </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 50 km </td><td colspan=1 rowspan=1 > 3:39:07 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2015 </td><td colspan=1 rowspan=2 > European Race Walking Cup </td><td colspan=1 rowspan=2 > Murcia, Spain </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 50 km </td><td colspan=1 rowspan=1 > 3:43:32 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 50 km - Team </td><td colspan=1 rowspan=1 > 8 pts </td></tr>
</table>
Question:
How did Mikhail Ryzhov perform at the at the 2013 World Championships in Moscow, Russia?
Answer:
Mikhail Ryzhov won the silver medal in the 50 km walk event at the 2013 World Championships in Moscow, Russia.