[2] She competed in the women's welterweight division at the 2020 Summer Olympics in Tokyo and was defeated in the round of 16 by Chen Nien-chin.

During the match, Carini, after receiving a punch in the face, signaled for her headgear to be checked and eventually withdrew from the fight after 46 seconds.

[5][6] Carini's coach later commented on concerns regarding her safety, highlighting the controversy surrounding the International Olympic Committee (IOC)'s decision to allow Khelif to compete.

The IOC, however, defended their decision to allow both boxers to compete, criticizing the International Boxing Association (IBA)'s actions as "sudden and arbitrary".

"[8][9] The day after the fight, the IBA decided to offer Carini a sum of $100,000, the same amount of prize money typically reserved for the Olympic champion.