In 2018, when she was 12 years old, Bertone became the youngest climber to send a V14 (8B+) graded boulder problem when she solved Golden Shadow in Rocklands (South Africa).

[1] In 2020, aged 14, she redpointed the sport climbing route, Panonoramix et les cyclopes, in Saint Léger at grade 8c+ (5.14c).

[3] She went on to win a silver medal in bouldering at the 2023 IFSC Climbing World Championships and secure a spot for the 2024 Summer Olympics in Paris by placing first in the European Boulder and Lead Climbing Olympic Qualifier.

[4][5] In 2024, Bertone finished in eighth place in the combined bouldering and lead climbing event at the 2024 Summer Olympics.

[6] Bertone was born in Nice in 2005, and grew up on the island of Réunion, a territory of France, to an Italian father and French mother.