Since a very young age, Nikolova spent all her time at the training all together with her mother and older sister, who both work as rhythmic gymnastic coaches in Egypt.

[7] She competed at the 2019 Junior World Championships in Moscow, Russia, where she placed 8th in the team competition and 16th in clubs qualifications.

She competed at the International Tournament in Moscow, where she and her teammate Eva Brezalieva took 2nd place in the team competition.

In May, Nikolova participated at the 2022 World Challenge Cup in Pamplona where she won silver in the all-around behind teammate Boryana Kaleyn.

On June 3–5, she competed at the Pesaro World Cup, where she finished 3rd in the all-around and qualified for three apparatus finals, winning bronze medals with clubs and ball and silver in hoop.

From June 15–19, Nikolova competed at the 2022 European Championships in Tel Aviv, Israel, where she won gold as part of the Bulgarian team and bronze in the all-around.

She was then selected to compete at the 2022 Rhythmic Gymnastics World Championships, in Sofia, Bulgaria, along with teammate Boryana Kaleyn.

Her first competition in the 2023 season was Grand Prix Miss Valentine in Tartu, Estonia, where she finished second in the all-around and qualified to the ball, clubs and ribbon finals.

She also took part in the Athens World Cup, where she won silver in all-around, gold in ball and bronze in the ribbon final.

Although she ended in eighth place in the hoop final, she won bronze with the ball behind Darja Varfolomeev and Sofia Raffaeli.

She was first place in the all-around ahead of Takhmina Ikromova and the previous season's World champion, Varfolomeev.

[15][16] Both Nikolova and Kaleyn expressed gratitude for the supportive home crowd and stated that they were aiming to win gold at the upcoming 2024 Summer Olympics.

[17] Nikolova participated in the inaugural Rhythmic Gymnastics European Cup, which had an unusual knock-out round format for the all-around final.

[31][32][33] She added that while she found watching the final difficult after failing to qualify, she was very happy for her friend Kaleyn, who won the silver medal.