[6] At a young age, she joined the Philippine Sports Commission-organized 2014 Batang Pinoy which was hosted in Bacolod, where she won a gold medal in the -32kg category.

[7] She also joined the 2020 IWF Online World Youth Championship hosted by Peru where she won three gold medals (snatch, clean and jerk, and overall) in the 71-kg division.

After the tournament, she has been touted by local sports officials as a "successor" of Olympian Hidilyn Diaz and is seen as one of the Filipino contenders to qualify for the 2024 Summer Olympics in Paris.

[4][10] At the 2023 Asian Youth and Junior Weightlifting Championships in India, Sarno clinched three gold medals despite being ill a few days prior competing.

She would attribute a "toxic environment" she experienced in the camp including the coaching change to her failure to register a lift in the snatch in the 2024 Summer Olympics.