[4] In 2014 she competed in the Holon Grand Prix finishing in 8th place[5] and the Lisbon international tournament where she won gold with hoop ball, clubs and ribbon as well as in the All-Around.

In autumn Sara was selected for the World Championships in Izmir, with Carolina Rodríguez and Natalia García, participating in hoop and ball.

After winning bronze at the Spanish Championships behind Carolina Rodríguez and Natalia García,[8] Llana participated in the Izmir International Tournament where he was 4th with hoop, ribbon, and the All-Around and won silver with clubs.

In May 2017 Sara was selected for her first European Championship as a senior, in Budapest, achieving 12th place in teams along with Natalia García and Polina Berezina., the 22nd with hoop and clubs and the 36th with ball.

[18] In August, together with her teammate Polina Berezina, she competed in her third World Championships, in Pesaro, where she was 40th overall, 32nd with hoop, 40th with ball, 64th with clubs and 31st with ribbon.

In it, she finished 17th in teams together with Polina Berezina, María Añó and Noa Ros, and the 62nd in the All-Around as well as 97th with hoop, 27th with ball, 64th with clubs and 73rd with ribbon.

[26] At nationals she was 7th behind Noa Ros, María Añó, Natalia García, Paola Serrano, Polina Berezina.

Likewise, she reported that since November 25, 2019, she is part of the coaching staff of the national team in the CAR de León.