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:
Thorill Gylder
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> <td class="highlighted"  colspan=1 rowspan=2 > 1975 </td><td class="highlighted"  colspan=1 rowspan=1 > IAAF World Race Walking Cup </td><td colspan=1 rowspan=1 > Le Grand-Quevilly, France </td><td class="highlighted"  colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 5 km walk </td><td colspan=1 rowspan=1 > 25:05 </td></tr>
<tr> <td colspan=1 rowspan=1 > Nordic Race Walking Championships </td><td colspan=1 rowspan=1 > Odense, Denmark </td><td class="highlighted"  colspan=1 rowspan=1 > 3rd </td><td class="highlighted"  colspan=1 rowspan=1 > 5 km walk </td><td colspan=1 rowspan=1 > 25:34 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1976 </td><td colspan=1 rowspan=1 > Nordic Indoor Race Walking Championships </td><td colspan=1 rowspan=1 > Östersund, Sweden </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 3000 m junior walk </td><td colspan=1 rowspan=1 > 15:21 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1977 </td><td colspan=1 rowspan=1 > Nordic Race Walking Championships </td><td colspan=1 rowspan=1 > Helsinki, Finland </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 5 km walk </td><td colspan=1 rowspan=1 > 24:09 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1978 </td><td colspan=1 rowspan=1 > Nordic Indoor Race Walking Championships </td><td colspan=1 rowspan=1 > Turku, Finland </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 3000 m walk </td><td colspan=1 rowspan=1 > 13:58.3 </td></tr>
<tr> <td colspan=1 rowspan=2 > 1979 </td><td class="highlighted"  colspan=1 rowspan=1 > IAAF World Race Walking Cup </td><td colspan=1 rowspan=1 > Eschborn, West Germany </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 5 km walk </td><td colspan=1 rowspan=1 > 23:08 </td></tr>
<tr> <td colspan=1 rowspan=1 > Nordic Race Walking Championships </td><td colspan=1 rowspan=1 > Härnösand, Sweden </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 10,000 m walk </td><td colspan=1 rowspan=1 > 49:55 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1981 </td><td class="highlighted"  colspan=1 rowspan=1 > IAAF World Race Walking Cup </td><td colspan=1 rowspan=1 > Valencia, Spain </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 5 km walk </td><td colspan=1 rowspan=1 > DNF </td></tr>
</table>
Question:
How many times did Thorill Glylder compete in the IAAF World Race Walking Cup and how did she place?
Answer:
Thorill Gylder competed three times at the IAAF World Race Walking Cup, and after a fourth-place finish in 1975 she took the 5km walk bronze medal at the Nordic Race Walking Championships.