After finishing college, Stepanyuk entered KNAPK as part of the cycle sport faculty.

Stepanyuk has broken several Ukrainian swimming records, and took part in the 2008 Olympic Games.

Today she trains and works at Akvarena swimming pool in Kharkiv, and participates in various Ukrainian, European and world competitions.

[1] The same year, she also participated at the Ukrainian Cup at which she won a gold medal in 100 m freestyle[2] which was her second win at UC.

[4] As a representative of Dynamo Kharkiv, Darya Stepanyuk won silver medal in 50 m freestyle in 2015.