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:
Zersenay Tadese
Table title:
Major 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 Eritrea </th></tr>
<tr> <td colspan=1 rowspan=3 > 2002 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Dublin, Ireland </td><td colspan=1 rowspan=1 > 30th </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 36:37 </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 > 21st </td><td colspan=1 rowspan=1 > Half Marathon </td><td colspan=1 rowspan=1 > 1:03:05 </td></tr>
<tr> <td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Radès, Tunisia </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 28:47.29 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2003 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Lausanne, Switzerland </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 37:10 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Paris, France </td><td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 5000 m </td><td colspan=1 rowspan=1 > 13:05.57 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Vilamoura, Portugal </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 1:01:26 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2004 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Brussels, Belgium </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 36:37 </td></tr>
<tr> <td colspan=1 rowspan=2 > Olympic Games </td><td colspan=1 rowspan=2 > Athens, Greece </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:22.57 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 5000 m </td><td colspan=1 rowspan=1 > 13:24.31 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2005 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Saint-Étienne, France </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 35:20 </td></tr>
<tr> <td colspan=1 rowspan=2 > World Championships </td><td colspan=1 rowspan=2 > Helsinki, Finland </td><td colspan=1 rowspan=1 > 14th </td><td colspan=1 rowspan=1 > 5000 m </td><td colspan=1 rowspan=1 > 13:40.27 </td></tr>
<tr> <td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:12.82 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2006 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Fukuoka, Japan </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 35:47 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Road Running Championships </td><td colspan=1 rowspan=1 > Debrecen, Hungary </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 20 km </td><td colspan=1 rowspan=1 > 56:01 </td></tr>
<tr> <td colspan=1 rowspan=4 > 2007 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Mombasa, Kenya </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 35:50 </td></tr>
<tr> <td colspan=1 rowspan=1 > All-Africa Games </td><td colspan=1 rowspan=1 > Algiers, Algeria </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:00.30 GR </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Osaka, Japan </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:21.37 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Road Running Championships </td><td colspan=1 rowspan=1 > Udine, Italy </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 58:59 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2008 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Edinburgh, Scotland </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 34:43 </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:05.11 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Rio de Janeiro, Brazil </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 59:56 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2009 </td><td colspan=1 rowspan=1 > World Cross Country Championships </td><td colspan=1 rowspan=1 > Amman, Jordan </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 12 km </td><td colspan=1 rowspan=1 > 35:04 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Berlin, Germany </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 26:50.12 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Birmingham, England </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 59:35 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2010 </td><td colspan=1 rowspan=1 > Lisbon Half Marathon </td><td colspan=1 rowspan=1 > Lisbon, Portugal </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 58:23 WR </td></tr>
<tr> <td colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Nanning, China </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 1:00:11 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Daegu, South Korea </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:22.57 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > 2012 </td><td class="highlighted"  colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > London, England </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 27:33.51 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Half Marathon Championships </td><td colspan=1 rowspan=1 > Kavarna, Bulgaria </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > Half Marathon </td><td colspan=1 rowspan=1 > 1:00:19 </td></tr>
</table>
Question:
In what sequence did Zersenay Tadese compete in 2012?
Answer:
After the Olympics, Zersenay Tadese competed at the 2012 World Half Marathon Championships.