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:
Filippo Tortu
Table title:
Achievements
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 > Time </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Youth Olympic Games </td><td colspan=1 rowspan=1 > China Nanjing </td><td colspan=1 rowspan=1 > Final </td><td colspan=1 rowspan=1 > 200 metres </td><td colspan=1 rowspan=1 > DNS </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=4 > 2016 </td><td colspan=1 rowspan=2 > European Championships </td><td colspan=1 rowspan=2 > Netherlands Amsterdam </td><td colspan=1 rowspan=1 > 9th (sf) </td><td colspan=1 rowspan=1 > 100 metres </td><td colspan=1 rowspan=1 > 10.19 </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 4×100 m relay </td><td colspan=1 rowspan=1 > 38.69 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > World U20 Championships </td><td colspan=1 rowspan=2 > Poland Bydgoszcz </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td class="highlighted"  colspan=1 rowspan=1 > 100 metres </td><td colspan=1 rowspan=1 > 10.24 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 4×100 m relay </td><td colspan=1 rowspan=1 > 40.02 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=4 > 2017 </td><td colspan=1 rowspan=1 > IAAF World Relays </td><td colspan=1 rowspan=1 > The Bahamas Nassau </td><td colspan=1 rowspan=1 > Heat </td><td colspan=1 rowspan=1 > 4×100 m relay </td><td colspan=1 rowspan=1 > DQ </td><td colspan=1 rowspan=1 > R170.7 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > European U20 Championships </td><td colspan=1 rowspan=2 > Italy Grosseto </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td class="highlighted"  colspan=1 rowspan=1 > 100 metres </td><td colspan=1 rowspan=1 > 10.73 (–4.3) </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 4×100 m relay </td><td colspan=1 rowspan=1 > 39.50 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > United Kingdom London </td><td colspan=1 rowspan=1 > 17th (sf) </td><td colspan=1 rowspan=1 > 200 metres </td><td colspan=1 rowspan=1 > 20.62 </td><td colspan=1 rowspan=1 > w </td></tr>
<tr> <td colspan=1 rowspan=3 > 2018 </td><td colspan=1 rowspan=1 > Mediterranean Games </td><td colspan=1 rowspan=1 > Spain Tarragona </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 4×100 m relay </td><td colspan=1 rowspan=1 > 38.49 </td><td colspan=1 rowspan=1 > - </td></tr>
<tr> <td colspan=1 rowspan=2 > European Championships </td><td colspan=1 rowspan=2 > Germany Berlin </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > 100 metres </td><td colspan=1 rowspan=1 > 10.08 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=1 > 4×100 m relay </td><td colspan=1 rowspan=1 > DQ </td><td colspan=1 rowspan=1 > R170.7 </td></tr>
</table>
Question:
How did Tortu do in the 100 m at the 2017 European U20 Championships and at the 2016 World U20 Championships?
Answer:
Filippo Tortu won the gold medal in 100 metres at the 2017 European U20 Championships and the silver medal at the 2016 World U20 Championships.