[2] She started learning capoeira then Brazilian jiu-jitsu (BJJ) at the age of 14 but quit because of the lack of girls.
[4] As a member of the Grappling Fight Team, which also included female athletes such as Mayssa Bastos, Amanda Monteiro and Thamires Aquino, Vieira began training under head coach Julio Cesar Pereira.
[3] On 26 March 2023, Vieira won a fourth gold medal in the Medium-Heavyweight division of the 2023 IBJJF Pan Championship.
[6] Vieira defeated Amanda Leve, Bia Mesquita, and Helena Crevar to win gold in the under 65kg division at the 2024 ADCC World Championship on August 17-18, 2024.
[9] Main Achievements (black belt level):[1][2] Main Achievements (Colored Belts):[2] Luis França > Oswaldo Fadda > Monir Salomão > Júlio César Pereira> Ana Carolina Vieira[2] Vieira is the cofounder with her wife Hall of Famer, 5 x IBJJF World champion and ADCC champion Luanna Alzuguir of Aviv Jiu-Jitsu, and the sister of multiple-time world champion and Hall of Fame Rodolfo Vieira.