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:
Collins Cheboi
Table title:
International 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> <td class="highlighted"  colspan=1 rowspan=1 > 2011 </td><td class="highlighted"  colspan=1 rowspan=1 > All-Africa Games </td><td colspan=1 rowspan=1 > Maputo, Mozambique </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 1500 metres </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2014 </td><td class="highlighted"  colspan=1 rowspan=1 > IAAF World Relays </td><td colspan=1 rowspan=1 > Nassau, Bahamas </td><td colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 4 × 1500 m relay </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
How did Collins Cheboi perform in International competitions?
Answer:
Collins Cheboi was a silver medallist at the 2011 All-Africa Games and was part of the 4 × 1500 m relay at the 2014 IAAF World Relays.