Shishmakova took up rhythmic gymnastics at the age of seven in her hometown of Seversk after previously training in artistic gymnastics.[1] She joined the Russian national group as a reserve in 2017 and moved up to the main group in 2018.[2]
At the 2018 European Championships, Shishmakova won gold medals in the team event and in the group all-around.[3] She competed with the Russian group that lost the all-around competition to Italy at the Minsk World Challenge Cup.[4] They also lost to Italy due to a tie-breaker at the Kazan World Challenge Cup.[5] At the 2018 World Championships, Shishmakova and the Russian group won the all-around title,[6] and they won the silver medal in the 3 balls and 2 ropes final.[7]
Shishmakova helped Russia win the group all-around at the 2019 Pesaro World Cup.[8] She missed the 2019 Holon Grand Prix due to a hand injury, but she returned in time for the 2019 European Games.[1] There, Russia won the bronze medal in the group all-around behind Belarus and Bulgaria after making mistakes in the 3 hoops and 4 clubs routine.[9] They did win the gold medal with their 5 balls routine.[10] At the 2019 Kazan World Challenge Cup, she helped the Russian group win the all-around competition ahead of Bulgaria.[11] She helped Russia successfully defend its group all-around title.[12] They won the 3 hoops and 4 clubs apparatus final but dropped to the bronze medal in the 5 balls final.[13]