Petisco was born in Sant Joan Despí, Catalonia, Spain, on 1 February 2003 but was raised in Villarino de los Aires.

[11] Petisco next competed at the Spanish Championships where she placed second in the all-around, behind Alba Asencio, as well as second on uneven bars and balance beam.

Her mixed multi-discipline team, which was named after gymnastics legend Simone Biles, won the gold medal.

[22] At the Spanish Championships, Petisco finished 6th in the all-around but won silver on floor exercise behind Ana Pérez.

[23] In September, Petisco competed at the Szombathely World Challenge Cup where she qualified to the uneven bars final.

[24] Petisco next competed at the 2nd Heerenveen Friendly where she helped Spain finish second behind the Netherlands, and individually, she placed 13th in the all-around.

[25] At the World Championships in Stuttgart, Petisco, alongside teammates Cintia Rodríguez, Roxana Popa, Ana Pérez, and Marina González, finished 12th as a team during qualifications.

[30] Petisco was scheduled to compete at the Stuttgart World Cup taking place in March;[31] however the event was later canceled due to the COVID-19 pandemic in Germany.

[32] In December, Petisco competed at the Spanish Championships where she placed first in the all-around with a score of 52.100, ahead of Ana Pérez.

[35] In June 2021, she was selected to the Spanish women's artistic gymnastics team for the postponed 2020 Summer Olympics alongside Laura Bechdejú, Marina González and Roxana Popa.

[41] Petisco started her season at the Cottbus World Cup, where she won the gold medal on floor exercise, and took the bronze on vault behind Tjaša Kysselef and Ofir Netzer.

[48] At the European Championships in Munich, Petisco helped Spain qualify to the team final, where they placed eighth.

[50] At the City of Jesolo Trophy, she helped the Spanish team win the bronze medal behind Italy and South Korea.

[55] She contributed scores on uneven bars and balance beam towards her club's fifth place finish at the 3rd Spanish League.