Sergaeva is known by fans for her groovy style of dancing, upbeat choice of music, her charismatic personality and facial expressions that show in her performances.

In 2017 season, Sergaeva won bronze in the all-around (tied with Anna Sokolova) at the 2017 Russian Junior Championships.

On November 4–6, Sergaeva competed at the annual "Russian-Chinese Youth Games" where she won silver in all-around behind Lala Kramarenko.

In February 2020, Sergaeva debuted as a Senior at the International Tournament in Moscow, Russia and took part in the All Around scoring a total of (Hoop: 22.500, Ball: 20.300, Clubs: 21.350, Ribbon: 19.700) 83.850.

In 2021, Sergaeva won gold in the All Around for the International Rhythmic Gymnastics Tournament (IRGT) in Moscow, Russia (Hoop: 26.100, Ball: 25.300, Clubs: 25.250, Ribbon: 20.850) with a total of 97.500, she has improved significantly since last year.