At 19 years old, Pimenta won the gold medal in the women's 52 kg event at the 2018 South American Games held in Cochabamba, Bolivia.

[6] At the 2019 Pan American Judo Championships, held in Lima, Peru, Pimenta won the gold medal in the 52 kg event.

[14] In November 2020, she also won one of the bronze medals in the women's 52 kg event at the Pan American Judo Championships held in Guadalajara, Mexico.

[15] [16] In 2021, she competed in the women's 52 kg event at the Judo World Masters held in Doha, Qatar, being surpassed by ippon in the first fight by South Korean Park Da-sol.

[20] In June 2021, Pimenta won one of the bronze medals in the mixed team event at the 2021 World Judo Championships held in Budapest, Hungary.

[32] Pimenta won gold at the 2024 Pan American-Oceania Judo Championships in Rio de Janeiro, becoming five-time champion of the competition.

[34] At the 2024 World Judo Championships, Pimenta repeated her 2022 performance, where she reached the quarterfinals, but subsequently lost two fights, finishing in 7th place.