The 2021 European Athletics Indoor Championships was held from 4 to 7 March 2021 at the Arena Toruń in Toruń, Poland. This was the second time this event was held in Poland after the 1975 edition in Katowice. The four-day competition featured 13 men's and 13 women's athletics events. Altogether 659 athletes from 46 countries participated in the event which is a record in the competition's history. The Netherlands topped the medal table for the first time with four gold, one silver and two bronze medals. Katarzynka, a gingerbread, was the mascot.

Óscar Husillos Domingo is a Spanish sprinter specialising in the 200 and 400 metres. He won the gold medal in the 400 m at the 2021 European Indoor Championships and a silver at the 2019 European Indoor Championships.