Anastasiia Volodymyrivna Antoniak (Ukrainian: Анастасія Володимирівна Антоняк, born 21 June 1997) is a Ukrainian finswimmer.
Antoniak was born on 21 June 1997 in Kyiv.[1] She won her first silver medal at the 2011 Finswimming World Championships in the 4 × 200 m surface relay and a bronze one in the 4 × 100 m surface relay.[2]
The following year, she won two silver medals in the 4x100 and 4x200 metres surface relay at the European Finswimming Championships in Lignano.[3]
In 2013, at the World Championships, held in Kazan, Antoniak received two silver medals in the 4x100 and 4x200 metres surface.[4] In that year, she won a silver medal in the 4 × 100 m surface at the World Games, held in Cali.[5] Later, she competed at the European Junior Championships, where she won three gold and two silver medals and also broke the world record in the 400 m surface.[6]
The following year, at the Finswimming European Championships in Lignano, she won two silver and two bronze medals in different surface events.[7]
At the 2015 Finswimming World Championships Antoniak won two silver medals in the 400 m surface and 4x200 metres surface relay.[8] At the following World Championships in Volos Antoniak won a silver medal in the 400 m surface and a bronze one in the 4x200 metres surface relay.[9]
In 2017, Antoniak competed at the European Championships in Wrocław, winning a first gold medal in the 400 m surface and two bronze ones in the 200 m surface and 4x200 metres surface relay.[10] Later, Antoniak won two bronze medals in the 200 and 400 metres surface at the World Games in Wrocław.[11]
At the 2018 Finswimming World Championships Antoniak won a silver medal in the 200 m surface and a bronze one in the 4x200 metres surface relay.[12]
In 2019, Antoniak won two gold medals in the 400 metres mixed surface and 4x100 metres surface relay at the Finswimming World Cup in Coral Springs, Florida.[13] Later, she won two silver medals in the 4x100 and 4x200 metres surface relay at the European Championships in Yanina.[14]
In 2021, Antoniak won two silver medals in the 400 m surface and 4x200 metres surface relay at the World Championships in Tomsk.[15][16]
The following year, Antoniak received a gold medal in the 4x200 metres surface relay and a silver one in the 400 m surface at the 2022 Finswimming World Championships in Cali.[17][18] Later, she won a bronze medal in the 400 m surface at the 2022 World Games in Birmingham.[19]
The following year, she won the gold medal in the 4x200 metres surface relay at the 28th CMAS Finswimming European Championships in Budapest.[20]