Alvaz made her international debut in early December 2022, her first year as a junior, when she was selected for the South American Championships in Paipa.[2] A few days before the championship she was invited along with Maria Eduarda Alexandre and Keila Souza to a training stage to upgrade the level of rhythmic gymnastics in America.[3] In Colombia, in the 13–14 years old category, she won silver in the All-Around behind teammate Renata Diniz as well as gold in teams and with ribbon.[4] In mid-December she participated in a training camp for young gymnast held by the Brazilian federation.[5]
A year later she took part in the Pan American Championships in Guadalajara along with Keila Santos, Letícia Evangelista and the national junior group, winning bronze in teams.[6][7] In July she was selected for the Junior World Championships in Cluj-Napoca, along with Keila Santos and the junior group, where she competed with ball and ribbon, taking 19th and 35th place with apparatuses and 12th in teams.[8][9] Weeks later she won gold in the All-Around, with hoop, ball and clubs as well as silver with ribbon at the Brazilian Championships.[10][11]
In 2024 Alvaz competed at the Pan American Championships in Guatemala City. She was 4th in the All-Around and won silver in teams, along with Sarah Mourão, Gabriela Cunha and Stefhany Popoatzki, and with clubs and bronze with ball.[12][13][14][15][16] In July she won silver in team, the All-Around, hoop and ball as well as silver with clubs and ribbon at the Brazilian Junior Championships.[17]
Brazil 
Brazil 
