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:
Noriko Higuchi
Table title:
International competitions
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> <td class="highlighted"  colspan=1 rowspan=1 > 2010 </td><td class="highlighted"  colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Nanning, China </td><td class="highlighted"  colspan=1 rowspan=1 > 29th </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 1:14:56 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Asian Marathon Championships </td><td colspan=1 rowspan=1 > Pattaya, Thailand </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:44:10 </td></tr>
</table>
Question:
How did Noriko Higuchi perform at the 2010 World Half Marathon Championships?
Answer:
Noriko Higuchi was placed at 29th in the 2010 World Half Marathon Championships.