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:
Amantle Montsho
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> <th colspan=6 rowspan=1 > Representing Botswana </th></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > All-Africa Games </td><td colspan=1 rowspan=1 > Abuja, Nigeria </td><td colspan=1 rowspan=1 > 14th (h) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 55.06 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2004 </td><td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Brazzaville, Republic of the Congo </td><td colspan=1 rowspan=1 > 11th (h) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 54.06 </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Athens, Greece </td><td colspan=1 rowspan=1 > 36th (h) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 53.77 (NR) </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Helsinki, Finland </td><td colspan=1 rowspan=1 > 40th (h) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 53.97 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2006 </td><td colspan=1 rowspan=1 > Commonwealth Games </td><td colspan=1 rowspan=1 > Melbourne, Australia </td><td colspan=1 rowspan=1 > 15th (sf) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 53.07 </td></tr>
<tr> <td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Bambous, Mauritius </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 52.68 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2007 </td><td colspan=1 rowspan=2 > All-Africa Games </td><td colspan=1 rowspan=2 > Algiers, Algeria </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 200 m </td><td colspan=1 rowspan=1 > 23.71 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 51.13 (NR) </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Osaka, Japan </td><td colspan=1 rowspan=1 > 12th (sf) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.90 (NR) </td></tr>
<tr> <td colspan=1 rowspan=3 > 2008 </td><td colspan=1 rowspan=1 > World Indoor Championships </td><td colspan=1 rowspan=1 > Valencia, Spain </td><td colspan=1 rowspan=1 > 8th (sf) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 53.21 </td></tr>
<tr> <td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Addis Ababa, Ethiopia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 49.83 (CR) </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 51.18 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Berlin, Germany </td><td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.65 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=5 > 2010 </td><td colspan=1 rowspan=1 > World Indoor Championships </td><td colspan=1 rowspan=1 > Doha, Qatar </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 52.53 </td></tr>
<tr> <td colspan=1 rowspan=1 > African Championships </td><td colspan=1 rowspan=1 > Nairobi, Kenya </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.03 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Continental Cup </td><td colspan=1 rowspan=1 > Split, Croatia </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td class="highlighted"  colspan=1 rowspan=1 > 49.89 </td></tr>
<tr> <td colspan=1 rowspan=2 > Commonwealth Games </td><td colspan=1 rowspan=2 > New Delhi, India </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.10 </td></tr>
<tr> <td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 4×400 m relay </td><td colspan=1 rowspan=1 > 3:38.44 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2011 </td><td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Daegu, South Korea </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 49.56 (NR) </td></tr>
<tr> <td colspan=1 rowspan=1 > All-Africa Games </td><td colspan=1 rowspan=1 > Maputo, Mozambique </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.87 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2012 </td><td colspan=1 rowspan=2 > African Championships </td><td colspan=1 rowspan=2 > Porto Novo, Benin </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 49.54 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 4×400 m relay </td><td colspan=1 rowspan=1 > 3:31.27 (NR) </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > London, United Kingdom </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 49.75 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2013 </td><td colspan=1 rowspan=2 > World Championships </td><td colspan=1 rowspan=2 > Moscow, Russia </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 49.41 </td></tr>
<tr> <td colspan=1 rowspan=1 > 16th (h) </td><td colspan=1 rowspan=1 > 4×400 m relay </td><td colspan=1 rowspan=1 > 3:38.96 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2017 </td><td colspan=1 rowspan=2 > World Championships </td><td colspan=1 rowspan=2 > London, United Kingdom </td><td colspan=1 rowspan=1 > 11th (sf) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 51.28 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 4×400 m relay </td><td colspan=1 rowspan=1 > 3:28.00 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2018 </td><td colspan=1 rowspan=2 > Commonwealth Games </td><td colspan=1 rowspan=2 > Gold Coast, Australia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 50.15 </td></tr>
<tr> <td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 4×400 m relay </td><td colspan=1 rowspan=1 > 3:26.86 </td></tr>
</table>
Question:
What is Amantle Montsho's fastest record for 400m event, and when did she make it?
Answer:
Amantle Montsho ran her fastest time of the year at the 2010 Continental Cup, where she won the gold medal in 49.89 seconds.