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:
Galen Rupp
Table title:
Personal bests
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Surface </th><th colspan=1 rowspan=1 > Event </th><th colspan=1 rowspan=1 > Time </th><th colspan=1 rowspan=1 > Date </th><th colspan=1 rowspan=1 > Event </th></tr>
<tr> <td colspan=1 rowspan=6 > Outdoor track </td><td colspan=1 rowspan=1 > 800 m </td><td colspan=1 rowspan=1 > 1:50.00 </td><td colspan=1 rowspan=1 > May 2, 2009 </td><td colspan=1 rowspan=1 > Payton Jordan Cardinal Invite </td></tr>
<tr> <td colspan=1 rowspan=1 > 1500 m </td><td colspan=1 rowspan=1 > 3:34.15 </td><td colspan=1 rowspan=1 > September 5, 2014 </td><td colspan=1 rowspan=1 > Brussels Diamond League </td></tr>
<tr> <td colspan=1 rowspan=1 > Mile </td><td colspan=1 rowspan=1 > 3:52.11 </td><td colspan=1 rowspan=1 > July 27, 2013 </td><td colspan=1 rowspan=1 > London Anniversary Games </td></tr>
<tr> <td colspan=1 rowspan=1 > 3000 m </td><td colspan=1 rowspan=1 > 7:43.24 </td><td colspan=1 rowspan=1 > August 13, 2010 </td><td colspan=1 rowspan=1 > London Grand Prix </td></tr>
<tr> <td colspan=1 rowspan=1 > 5000 m </td><td colspan=1 rowspan=1 > 12:58.90 </td><td colspan=1 rowspan=1 > June 2, 2012 </td><td colspan=1 rowspan=1 > Prefontaine Classic </td></tr>
<tr> <td colspan=1 rowspan=1 > 10,000 m </td><td colspan=1 rowspan=1 > 26:44.36 (AR, NR) </td><td colspan=1 rowspan=1 > May 30, 2014 </td><td colspan=1 rowspan=1 > Prefontaine Classic </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=6 > Indoor track </td><td colspan=1 rowspan=1 > 800 m </td><td colspan=1 rowspan=1 > 1:49.87 </td><td colspan=1 rowspan=1 > February 14, 2009 </td><td colspan=1 rowspan=1 > MPSF Indoor Track and Field Championships </td></tr>
<tr> <td colspan=1 rowspan=1 > 1500 m </td><td colspan=1 rowspan=1 > 3:34.78+ </td><td colspan=1 rowspan=1 > January 26, 2013 </td><td colspan=1 rowspan=1 > Boston University Terrier Invitational </td></tr>
<tr> <td colspan=1 rowspan=1 > Mile </td><td colspan=1 rowspan=1 > 3:50.92 </td><td colspan=1 rowspan=1 > January 26, 2013 </td><td colspan=1 rowspan=1 > Boston University Terrier Invitational </td></tr>
<tr> <td colspan=1 rowspan=1 > 3000 m </td><td colspan=1 rowspan=1 > 7:30.16 (AR, NR) </td><td colspan=1 rowspan=1 > February 21, 2013 </td><td colspan=1 rowspan=1 > XL Galan Stockholm, SWE </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2 mile </td><td class="highlighted"  colspan=1 rowspan=1 > 8:07.41 (AR, NR) </td><td class="highlighted"  colspan=1 rowspan=1 > January 25, 2014 </td><td colspan=1 rowspan=1 > BU John Thomas Terrier Invitational </td></tr>
<tr> <td colspan=1 rowspan=1 > 5000 m </td><td colspan=1 rowspan=1 > 13:01.26 (AR, NR) </td><td colspan=1 rowspan=1 > January 16, 2014 </td><td colspan=1 rowspan=1 > 2014 Boston University Limited Open Meet </td></tr>
<tr> <td colspan=1 rowspan=5 > Road </td><td colspan=1 rowspan=1 > 5 km </td><td colspan=1 rowspan=1 > 13:34 </td><td colspan=1 rowspan=1 > November 26, 2010 </td><td colspan=1 rowspan=1 > Silicon Valley Turkey Trot </td></tr>
<tr> <td colspan=1 rowspan=1 > 15 km </td><td colspan=1 rowspan=1 > 42:43 </td><td colspan=1 rowspan=1 > March 11, 2018 </td><td colspan=1 rowspan=1 > Roma-Ostia Half Marathon (enroute) </td></tr>
<tr> <td colspan=1 rowspan=1 > 20 km </td><td colspan=1 rowspan=1 > 56:48 </td><td colspan=1 rowspan=1 > March 11, 2018 </td><td colspan=1 rowspan=1 > Roma-Ostia Half Marathon (enroute) </td></tr>
<tr> <td colspan=1 rowspan=1 > Half marathon </td><td colspan=1 rowspan=1 > 59:47 </td><td colspan=1 rowspan=1 > March 11, 2018 </td><td colspan=1 rowspan=1 > Roma-Ostia Half Marathon </td></tr>
<tr> <td colspan=1 rowspan=1 > Marathon </td><td colspan=1 rowspan=1 > 2:06:07 </td><td colspan=1 rowspan=1 > May 6, 2018 </td><td colspan=1 rowspan=1 > Prague Marathon </td></tr>
</table>
Question:
In what year did Galen Rupp perform the best?
Answer:
In 2014, Galen Rupp set an AR in the Indoor Track 2 mile, an AR in the Indoor Track 5000 m, and an AR in the Outdoor Track 10,000 m events.