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:
Pavel Pegov
Table title:
World records
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Discipline </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Location </th></tr>
<tr> <td colspan=1 rowspan=1 > 500 m </td><td class="highlighted"  colspan=1 rowspan=1 > 36.68 </td><td class="highlighted"  colspan=1 rowspan=1 > 25 March 1983 </td><td colspan=1 rowspan=1 > Soviet Union Medeo </td></tr>
<tr> <td colspan=1 rowspan=1 > 1000 m </td><td colspan=1 rowspan=1 > 1:12.58 </td><td colspan=1 rowspan=1 > 25 March 1983 </td><td colspan=1 rowspan=1 > Soviet Union Medeo </td></tr>
<tr> <td colspan=1 rowspan=1 > 500 m </td><td class="highlighted"  colspan=1 rowspan=1 > 36.57 </td><td class="highlighted"  colspan=1 rowspan=1 > 26 March 1983 </td><td colspan=1 rowspan=1 > Soviet Union Medeo </td></tr>
<tr> <td colspan=1 rowspan=1 > Sprint combination </td><td colspan=1 rowspan=1 > 146.955 </td><td colspan=1 rowspan=1 > 26 March 1983 </td><td colspan=1 rowspan=1 > Soviet Union Medeo </td></tr>
</table>
Question:
What were Pavel Pegov's world record times in the 500 m?
Answer:
On the 25th of March, Pavel Pegov clocked 36.68 and a day later he sharpened the record to 36.57.