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:
Guam at the 2011 World Championships in Athletics
Table title:
Women
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Athlete </th><th colspan=1 rowspan=2 > Event </th><th class="highlighted"  colspan=2 rowspan=1 > Preliminaries </th><th class="highlighted"  colspan=2 rowspan=1 > Heats </th><th colspan=2 rowspan=1 > Semifinals </th><th colspan=2 rowspan=1 > Final </th></tr>
<tr> <th colspan=1 rowspan=1 > Time Width Height </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Time Width Height </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Time Width Height </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Time Width Height </th><th colspan=1 rowspan=1 > Rank </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Pollara Cobb </td><td class="highlighted"  colspan=1 rowspan=1 > 100 metres </td><td colspan=1 rowspan=1 > 12.64 q </td><td colspan=1 rowspan=1 > 18 </td><td class="highlighted"  colspan=1 rowspan=1 > 12.55 NR </td><td colspan=1 rowspan=1 > 53 </td><td colspan=4 rowspan=1 > Did not advance </td></tr>
</table>
Question:
Did Pollara Cobb improve in the 100 metres event after the preliminaries?
Answer:
In the women's 100 metres event, Pollara Cobb advanced from the preliminaries to the heats and set a Guamanian record in the latter race with a time of 12.55 seconds.