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:
Tesfaye Jifar
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 > Event </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <th colspan=6 rowspan=1 > Representing Ethiopia </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 1999 </td><td colspan=1 rowspan=1 > Amsterdam Marathon </td><td colspan=1 rowspan=1 > Amsterdam, Netherlands </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:06:49 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Palermo, Italy </td><td class="highlighted"  colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Half Marathon </td><td colspan=1 rowspan=1 > 1:01:51 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2000 </td><td colspan=1 rowspan=1 > Chicago Marathon </td><td colspan=1 rowspan=1 > Chicago, United States </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:16:01 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Veracruz, Mexico </td><td class="highlighted"  colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Half Marathon </td><td colspan=1 rowspan=1 > 1:03:50 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 2001 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Edmonton, Canada </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:16:52 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Bristol, United Kingdom </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Half Marathon </td><td colspan=1 rowspan=1 > 1:00:04 </td></tr>
<tr> <td colspan=1 rowspan=1 > New York City Marathon </td><td colspan=1 rowspan=1 > New York, United States </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:07:43 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2002 </td><td colspan=1 rowspan=1 > London Marathon </td><td colspan=1 rowspan=1 > London, United Kingdom </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:09:50 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Brussels, Belgium </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Half Marathon </td><td colspan=1 rowspan=1 > 1:01:11 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Enschede Marathon </td><td colspan=1 rowspan=1 > Enschede, Netherlands </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:12:44 </td></tr>
</table>
Question:
What medals has Tesfaye Jifar won and in what type of competition?
Answer:
Tesfaye Jifar is a three-time medalist from World Half Marathon Championships, he won bronze in 1999 and 2000 and silver in 2001.