[10] On 3 June 2018, the team mounted an improbable comeback victory against Hvíti Riddarinn by scoring three goals in the last two minutes of the match, winning 6–5.

[11] In the 2021 season Sigurður "Siggi" Hannesson became the top goalscorer in all the Icelandic league divisions scoring 24 goals in 14 matches.

The board of Hörður strongly objected as its own travel expense to Akureyri in January where they faced Þór's reserve team had not exceeded 120.000 ISK.

[19] In July 2021, the club signed Japanese national team player and Olympian Kenya Kasahara.

[23] After one season in the Úrvalsdeild, Hörður was relegated back to 1. deild after failing to register a win in the league.