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:
Lauren Fleshman
Table title:
Personal bests
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Distance </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Place </th></tr>
<tr> <td colspan=1 rowspan=1 > 1500 Meters </td><td colspan=1 rowspan=1 > 4:05.62 </td><td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Rieti </td></tr>
<tr> <td colspan=1 rowspan=1 > 3000 Meters </td><td colspan=1 rowspan=1 > 8:43.92 </td><td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > London </td></tr>
<tr> <td colspan=1 rowspan=1 > 5000 Meters </td><td colspan=1 rowspan=1 > 14:58.58 </td><td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > New York City </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:37:23 </td><td class="highlighted"  colspan=1 rowspan=1 > 2011 </td><td class="highlighted"  colspan=1 rowspan=1 > New York City </td></tr>
</table>
Question:
When was Lauren Fleshman's personal best in the marathon achieved?
Answer:
In 2011, Lauren Fleshman achieved her personal best in the marathon in New York City.