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:
Andriy Naumov
Table title:
Achievements
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 > Notes </th></tr>
<tr> <th colspan=5 rowspan=1 > Representing Ukraine </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2001 </td><td colspan=1 rowspan=1 > Prague Marathon </td><td colspan=1 rowspan=1 > Prague, Czech Republic </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 2:12:31 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Edmonton, Canada </td><td class="highlighted"  colspan=1 rowspan=1 > 50th </td><td colspan=1 rowspan=1 > 2:31:42 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Ljubljana Marathon </td><td colspan=1 rowspan=1 > Ljubljana, Slovenia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:14:30 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2003 </td><td colspan=1 rowspan=1 > Linz Marathon </td><td colspan=1 rowspan=1 > Linz, Austria </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2:13:37 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ljubljana Marathon </td><td colspan=1 rowspan=1 > Ljubljana, Slovenia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:13:58 </td></tr>
<tr> <td colspan=1 rowspan=1 > Pittsburgh Marathon </td><td colspan=1 rowspan=1 > Pittsburgh, United States </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 2:14:47 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2004 </td><td colspan=1 rowspan=1 > Linz Marathon </td><td colspan=1 rowspan=1 > Linz, Austria </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2:16:28 </td></tr>
<tr> <td colspan=1 rowspan=1 > Ljubljana Marathon </td><td colspan=1 rowspan=1 > Ljubljana, Slovenia </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2:15:22 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2005 </td><td colspan=1 rowspan=1 > Mainz Marathon </td><td colspan=1 rowspan=1 > Mainz, Germany </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2:20:00 </td></tr>
<tr> <td colspan=1 rowspan=1 > Houston Marathon </td><td colspan=1 rowspan=1 > Houston, United States </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2:15:16 </td></tr>
<tr> <td colspan=1 rowspan=1 > Moscow Marathon </td><td colspan=1 rowspan=1 > Moscow, Russia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:18:19 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2006 </td><td colspan=1 rowspan=1 > Mainz Marathon </td><td colspan=1 rowspan=1 > Mainz, Germany </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:13:56 </td></tr>
<tr> <td colspan=1 rowspan=1 > Moscow Marathon </td><td colspan=1 rowspan=1 > Moscow, Russia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:16:49 </td></tr>
<tr> <td colspan=1 rowspan=1 > Istanbul Marathon </td><td colspan=1 rowspan=1 > Istanbul, Turkey </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 2:12:59 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Mainz Marathon </td><td colspan=1 rowspan=1 > Mainz, Germany </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:14:04 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2008 </td><td colspan=1 rowspan=1 > Mainz Marathon </td><td colspan=1 rowspan=1 > Mainz, Germany </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:11:10 </td></tr>
<tr> <td colspan=1 rowspan=1 > Dublin Marathon </td><td colspan=1 rowspan=1 > Dublin, Ireland </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 2:11:06 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Dublin Marathon </td><td colspan=1 rowspan=1 > Dublin, Ireland </td><td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 2:13:35 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > Prague Marathon </td><td colspan=1 rowspan=1 > Prague, Czech Republic </td><td colspan=1 rowspan=1 > 14th </td><td colspan=1 rowspan=1 > 2:13:49 </td></tr>
</table>
Question:
How did Andriy Naumov do in the marathon at the 2001 World championships?
Answer:
Andriy Naumov competed in the marathon at the 2001 World Championships finished in 50th place.