At the 2017 World Modern Pentathlon Championships, Gubaydullina won the gold medal in the individual competition, becoming the second Russian woman to do so (the other being Elizaveta Suvorova in 1997).

When she was thirteen, she participated in the double-event, winning gold in a local tournament.

[8] The Russian became fourth at the 2015 European Modern Pentathlon Championships, giving her a place at the 2016 Summer Olympics.

[9] Although Gubaydullina set a new record in 200 m swimming (2:07.94) at the Olympics,[10] she finished just 15th (following the disqualification of Chen Qian she took the 14th position).

[11][12] Gubaydullina and Belyakov won the mixed event of the 2017 European Modern Pentathlon Championships in Minsk, Belarus.