In 2021 Nikol was included into the Bulgarian national team in anticipation of the junior European and World Championships in 2022/2023.[2] She then went on to became the national runner-up behind Elvira Krasnobaeva and ahead Zhana Pencheva.[3]
Todorova started the 2023 season at the Miss Valentine Tournament in Tartu, along Elvira Krasnobaeva, Dara Stoyanova and Dara Malinova she won silver in the FIG junior even behind Ukraine and above Kazakhstan. She also qualified for finals,[4] taking 4th place with clubs and winning bronze with ribbon.[5] In July she competed at the Junior World Championships in Cluj-Napoca, where she won gold in teams alongside Krasnobaeva and the junior national group as well as a silver medal with ribbon.[6]
In 2024, she made her debut in the senior category competing in the Gracia Fair Cup, in Hungary, where she won gold in the all-around, and two silver medals in the hoop and ribbon finals. In April he competed in the IT Sofia, and won gold in the ribbon final. That same month she competed in her first World Cup in Tashkent alongside Boryana Kaleyn, where she placed 13th in the all-around, and eighth in the hoop final.
In 2025, after the withdrawal of Boryana Kaleyn and the departure from the national team of Elvira Krasnobaeva, it allowed Todorova to advance in the Bulgarian ranking, positioning herself at the first control of the year as the third best gymnast behind Stiliana Nikolova and Eva Brezalieva. She competed at International tournament Sofia Cup in March and took 4th place in Hoop, Ball and Clubs Qualifications and 8th in Ribbon.
Bulgaria 
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