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:
Dave Long (runner)
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 class="highlighted"  colspan=6 rowspan=1 > Representing Great Britain </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1988 </td><td class="highlighted"  colspan=1 rowspan=1 > Olympic Games </td><td class="highlighted"  colspan=1 rowspan=1 > Seoul, South Korea </td><td class="highlighted"  colspan=1 rowspan=1 > 21st </td><td class="highlighted"  colspan=1 rowspan=1 > Marathon </td><td class="highlighted"  colspan=1 rowspan=1 > 2:16:18 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Barcelona, Spain </td><td colspan=1 rowspan=1 > 39th </td><td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:20:51 </td></tr>
</table>
Question:
Which country did Dave Long represent at the 1988 Olympics in Seoul, South Korea and what was his marathon finishing position and time?
Answer:
Dave Long (runner) represented Great Britain in the marathon at the 1988 Olympics in Seoul, South Korea, finishing in 21st position with a time of 2:16:18.