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:
South Africa at the 2002 Winter Olympics
Table title:
Alpine skiing
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Athlete </th><th colspan=1 rowspan=2 > Event </th><th colspan=1 rowspan=1 > Race 1 </th><th colspan=1 rowspan=1 > Race 2 </th><th colspan=2 rowspan=1 > Total </th></tr>
<tr> <th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Rank </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > Alexander Heath </td><td colspan=1 rowspan=1 > Downhill </td><td colspan=2 rowspan=1 >  </td><td colspan=1 rowspan=1 > 1:48.84 </td><td colspan=1 rowspan=1 > 51 </td></tr>
<tr> <td colspan=1 rowspan=1 > Giant slalom </td><td class="highlighted"  colspan=1 rowspan=1 > 1:19.32 </td><td class="highlighted"  colspan=1 rowspan=1 > 1:17.95 </td><td colspan=1 rowspan=1 > 2:37.27 </td><td colspan=1 rowspan=1 > 48 </td></tr>
<tr> <td colspan=1 rowspan=1 > Slalom </td><td colspan=1 rowspan=1 > 56.37 </td><td colspan=1 rowspan=1 > 1:00.56 </td><td colspan=1 rowspan=1 > 1:56.93 </td><td colspan=1 rowspan=1 > 27 </td></tr>
</table>
Question:
Which of Alexander Heath's two Giant Slalom runs was faster, and what was his time on that run?
Answer:
Heath was faster on his second run, finishing in 1 minute and 17.95 seconds.