[2] In March 2021, Niemesch competed at the European Qualification Tournament in Budapest, Hungary hoping to qualify for the 2020 Summer Olympics in Tokyo, Japan.

[6] She won the silver medal in the 62 kg event at the 2022 European Wrestling Championships held in Budapest, Hungary.

[11] Niemesch won one of the bronze medals in her event at the 2023 Ibrahim Moustafa Tournament held in Alexandria, Egypt.

[12] She won one of the bronze medals in the 62 kg event at the 2023 European Wrestling Championships held in Zagreb, Croatia.

[13][14] Niemesch won the silver medal in the 62 kg event at the 2024 European Wrestling Championships held in Bucharest, Romania.