She won the gold medal in the women's +67 kg event at the 2022 Bolivarian Games in Valledupar, Colombia.

[4] In 2019, Gallardo competed in the women's lightweight event at the World Taekwondo Championships held in Manchester, United Kingdom.

She also competed in the women's 67 kg event at the 2019 Pan American Games held in Lima, Peru.

Gallardo competed in the women's welterweight event at the 2022 World Taekwondo Championships held in Guadalajara, Mexico.

[6] She also competed in the women's welterweight event at the 2023 World Taekwondo Championships held in Baku, Azerbaijan.