At the 2019 Brno Grand Prix Final, Trubnikova was the gold medallist in the all-around, ahead of Arina Averina and Katrin Taseva.

Trubnikova also competed at the 2020 Moscow Grand Prix, where she won the silver all-around medal behind fellow compatriot Dina Averina and ahead of Lala Kramarenko.

She won the gold medal ahead of Boryana Kaleyn and Lala Kramarenko in the all-around at the World Cup Baku.

Trubnikova also competed in the Brno Grand Prix, where she took silver in the all-around ahead of Irina Annenkova and behind Lala Kramarenko.

In October she competed in the Cluj Napoca World Cup Challenge, where she won the full bronze behind Boryana Kaleyn and Milena Baldassarri.