A former individual gymnast, Dubova has competed at the 2013 Russian Junior Championships finishing 13th in the all-around, she was coached by Anna Shumilova.

Dubova later began competing in group and was a member of Russian Group that competed at the 2013 European Junior Championships with Russia taking the gold medal scoring a total of (33.916) ahead of Belarus (32.700) and Bulgaria (32.532) in the all-around competition.

On August 26–27, Dubova replaced Karina Katyuhina who broke her leg a week before start of the competition.

Dubova rejoined the Russian Group (with Daria Anenkova, Victoria Ilina, Sofya Skomorokh, Natalia Safonova) that competed at the 2014 Youth Olympic Games in Nanjing, China where they won gold in Group All-around finals.

[2][3] In 2015, Dubova was added to Russia's National Reserve Team as a senior gymnast.