In 2017 Sibin was selected for the Pan American Championships in Daytona Beach, being 5th in teams, 19th overall, 14th with hoop, 28th with ball, 21st with clubs and 18th with ribbon.[2][3][4][5]
She became a senior in 2018, competing for the first time in this category at the Brazilian Championships, taking 5th place in the All-Around and winning bronze in teams.[6]
In 2023 she took part in the Aphrodite Cup in Athens where she was 36th overall.[7] In July she won silver with ribbon, behind Geovanna Santos, at nationals.[8] In October she competed in the “Senior A” section of the South American Championships in Barranquilla, winning gold in teams (along Júlia Castro and Emanuelle Felberk), the All-Around, with hoop, with ball as well as bronze with clubs.[9][10][11][12]
In 2024 she competed in the World Cup in Milan, being 32nd in the All-Around, 28th with hoop, 22nd with ball, 39th with clubs and 31st with ribbon.[13] At the Brazilian Championships she won gold in teams and bronze with ribbon.[14]
Competing at the 2025 World Challenge Cup in Portimão she took 16th placein the All-Around, 20th with hoop, 16th with ball, 22nd with clubs and 13th with ribbon.[15] In September 2025 she was selected for the South American Championships in Cochabamba, winning silver in teams (with Emanuelle Felberk and Ana Luísa Neiva), with clubs, with ribbon and in all-around teams, as well as bronze with ball.[16][17][18][19]
Brazil 
Brazil 
