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:
Thomas Jordier
Table title:
Competition record
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 colspan=6 rowspan=1 > Representing France </th></tr>
<tr> <td colspan=1 rowspan=2 > 2011 </td><td colspan=1 rowspan=2 > World Youth Championships </td><td colspan=1 rowspan=2 > Lille, France </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.27 </td></tr>
<tr> <td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > Medley relay </td><td colspan=1 rowspan=1 > 1:51.81 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2013 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Gothenburg, Sweden </td><td colspan=1 rowspan=1 > – </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > DQ </td></tr>
<tr> <td colspan=1 rowspan=2 > European Junior Championships </td><td colspan=1 rowspan=2 > Rieti, Italy </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 46.21 </td></tr>
<tr> <td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:05.41 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2014 </td><td colspan=1 rowspan=1 > IAAF World Relays </td><td colspan=1 rowspan=1 > Nassau, Bahamas </td><td colspan=1 rowspan=1 > 10th (h) </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:03.74 </td></tr>
<tr> <td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Zürich, Switzerland </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 2:59.89 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=4 > 2015 </td><td colspan=1 rowspan=1 > IAAF World Relays </td><td colspan=1 rowspan=1 > Nassau, Bahamas </td><td colspan=1 rowspan=1 > 10th (h) </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:03.88 </td></tr>
<tr> <td colspan=1 rowspan=2 > European U23 Championships </td><td class="highlighted"  colspan=1 rowspan=2 > Tallinn, Estonia </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 400 m </td><td class="highlighted"  colspan=1 rowspan=1 > 45.50 </td></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:04.92 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > Beijing, China </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:00.65 </td></tr>
<tr> <td colspan=1 rowspan=3 > 2016 </td><td colspan=1 rowspan=2 > European Championships </td><td colspan=1 rowspan=2 > Amsterdam, Netherlands </td><td colspan=1 rowspan=1 > 17th (sf) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 46.24 </td></tr>
<tr> <td colspan=1 rowspan=1 > 12th (h) </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:04.95 </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Rio de Janeiro, Brazil </td><td colspan=1 rowspan=1 > 9th (h) </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:00.82 </td></tr>
<tr> <td colspan=1 rowspan=4 > 2017 </td><td colspan=1 rowspan=2 > European Indoor Championships </td><td colspan=1 rowspan=2 > Belgrade, Serbia </td><td colspan=1 rowspan=1 > 7th (h) </td><td colspan=1 rowspan=1 > 400 m </td><td colspan=1 rowspan=1 > 47.49 </td></tr>
<tr> <td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:08.99 </td></tr>
<tr> <td colspan=1 rowspan=1 > IAAF World Relays </td><td colspan=1 rowspan=1 > Nassau, Bahamas </td><td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:06.33 </td></tr>
<tr> <td colspan=1 rowspan=1 > World Championships </td><td colspan=1 rowspan=1 > London, United Kingdom </td><td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 4x400 m relay </td><td colspan=1 rowspan=1 > 3:01.79 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > European Championships </td><td colspan=1 rowspan=1 > Berlin, Germany </td><td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:02.08 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2019 </td><td colspan=1 rowspan=1 > European Indoor Championships </td><td colspan=1 rowspan=1 > Glasgow, United Kingdom </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 4 × 400 m relay </td><td colspan=1 rowspan=1 > 3:07.71 </td></tr>
</table>
Question:
What's Thomas Jordier's record in the 2015 European U23 Championships?
Answer:
In 2015, Thomas Jordier participated the European U23 Championships at Tallinn, Estonia, in which he competed for 400 m event and achieved 45.50 record.