In November 2021, as a junior, Agostina won silver in teams (along Lara Granero and Eugenia Angelin) as well as bronze with clubs at the South American Championships.

[3] In December, she competed at the 2021 Junior Pan American Games in Cali, Colombia, taking 13th place in the All-Around and 7th in the clubs final.

[5] She became a senior in 2022 In late November she won silver in teams, with Celeste D'Arcángelo, Lara Granero and Martina Gil, at the South American Championships in Paipa.

[7] In October she won silver in the team competition along Celeste D'Arcángelo and Martina Gil, at the South American Championships in Barranquilla.

[8] In June 2024 Gil participated in the Pan American Championships in Ciudad de Guatemala, finishing 5th in teams, 8th with hoop and 6th with ribbon.