At the 2019 Pan American Games held in Lima, Peru, she won one of the bronze medals in the 68 kg event.

In 2019, at the World Wrestling Championships held in Nur-Sultan, Kazakhstan, Garnica competed in the 68 kg event where she was eliminated in her first match.

[3] In October 2021, Garnica competed in the 68 kg event at the World Wrestling Championships held in Oslo, Norway.

[5] In 2023, Garnica won the silver medal in the women's 68 kg event at the Pan American Wrestling Championships held in Buenos Aires, Argentina.

[8] In the same year, Garnica competed in her event at the Pan American Games held in Santiago, Chile.