Catalunya, also known as the Catalan national team, training at the High Performance Centre (CAR) in Sant Cugat del Vallés, participating in the Spanish Group Championship in Zaragoza, winning gold overall and silver with the apparatus.

Catalunya, Natalia García and Júlia Usón, and the coach Iratxe Aurrekoetxea, Fominykh took part in the Aeon Cup in Tokyo, her first international competition.

[3] In October of the same year she joined the Spanish senior national team, training at the High Performance Center in Madrid as a member of the reserve group.

On June 16, 2013, Fominykh gave an exhibition at her former club, the Esportiu Rítmica Mediterrania in Santa Coloma de Cervelló, on the occasion of the end of the school year.

[5] Fominykh also gave an exhibition at the end of the year at the Christmas festival of the club where her younger sister trained in Lloret de Mar.

[6] In April 2014, Fominykh participated in two exhibitions with the reserve team on the International Day of Sport for Development and Peace, organized at the CSD, and with 10 clubs at the Queen's Cup in Guadalajara.

[12] On December 20, 2014, she participated with the rest of the group in the tribute to her coach, Sara Bayón at the Marta Domínguez Pavilion in Palencia, performing two exhibitions.

[19] On June 23, 2017, she underwent another operation on her right foot due to a postoperative infection, this time at the La Moraleja University Hospital in Sanchinarro.

[26] After the IV Spring Seasons Trophy in Arganda del Rey, on April 22 she competed in the Queen's Cup in Guadalajara, finishing 9th in the team category and 11th in the hoop.

On February 9, she participated in the IX International Rhythmic Infantado Tournament in Guadalajara, winning gold in hoop and silver in ball.

[34] On May 20, 2019, just one month before the Spanish Championships, and during a training session in preparation for the 2nd Phase of the Liga Iberdrola, she suffered an injury to her left knee.

Finally, on June 20, she competed with an injection in the Spanish Individual Championships in Palma de Mallorca, but after finishing her first exercise, hoop, with severe discomfort and pain in her knee, she had to abandon the competition.

[35][36] In March 2020 she release a music single titled "Piña & fresa", followed by a remix featuring Boy Flow yand Erick Galán.

[37][38] On December 1 she returned to competition at the Spanish Team Championship in Valencia to compete in the senior category alongside Mercedes Flores, achieving 9th place in it and being 12th with ball and 10th with clubs.

[40] After several individual tournaments, on July 18 she competed on loan to Club Distrito III in the 2nd Phase of the Spanish Team Cup, winning the silver medal in the 1st category.