[2] Agafonova trains at the Vladimir Oblast Specialized Children's and Youth Sports School for the Olympic Reserve in Artistic Gymnastics.

[3] Agafonova competed at the 2016 Russian Espoir Championships where she finished 4th in the all-around and won the silver medal on the uneven bars behind Ksenia Klimenko.

[4] She competed at the 2017 City of Jesolo Trophy with Klimenko, Valeria Saifulina, and Varvara Zubova, and they won the bronze medal in the team competition behind the United States and Italy.

[1] In March, Agafonova competed at the senior Russian Championships, winning team and bars silver and placing ninth in the individual all-around.

[3][2] She then competed at the FIG World Cup in Cottbus where she won the silver medal on the uneven bars behind Fan Yilin.