Bechdejú made her elite debut at the 2014 Spanish Cup held in Guadalajara, Spain where she placed nineteenth in the all-around and seventh with her club team.

[6][7] Bechdejú began her 2015 season at the FIT Challenge in Ghent, Belgium placing sixth with the Spanish team and twenty-fifth in the all-around.

[16] Bechdejú won the all-around gold, team, balance beam, and floor exercise silver, and vault and uneven bars bronze at the 2018 1st Spanish League.

[19] She was then selected to compete at the 2018 World Championships in Doha alongside Helena Bonilla, Ana Pérez, Paula Raya, and Cintia Rodriguez, and they placed eighteenth in the qualification round.

[27] In August, she injured the orbital cavity in her left eye and had surgery, causing her to miss the rest of the 2019 season including the World Championships.

[30] Bechdejú competed at the 2021 FIT Challenge where she helped the Spanish team place fifth, and she finished thirteenth in the all-around with a total score of 51.666.