[2] She also helped the Ukrainian 4×400 metres relay team to win the silver medal behind the United States in national junior record time.

Yaroshchuk won her first senior national title in the hurdles that year and improved her personal best time to 57.23 seconds.

[2] Yaroshchuk ran a personal best of 54.77 seconds to win the hurdles gold at the 2011 European Athletics U23 Championships ahead of compatriot Hanna Titimets and the two later combined their efforts to claim the silver in the 4 x 400m relay behind Russia.

In 2018, Ryzhykova took a silver medal in her specialist event at the European Championships with a time of 54.51 seconds, behind only Switzerland's Léa Sprunger who ran 54.33.

She placed seventh at the 2019 World Championships in a time of 54.45 seconds (equal with a mark of USA's Ashley Spencer in sixth).