She competed in the women's freestyle 58 kg event at the 2016 Summer Olympics, in which she was eliminated in the round of 32 by Pürevdorjiin Orkhon.

[1][2] In 2020, Hristova won one of the bronze medals in the women's 65 kg event at the 2020 Individual Wrestling World Cup held in Belgrade, Serbia.

[3][4] In 2021, she won the silver medal in the 68 kg event at the Matteo Pellicone Ranking Series 2021 held in Rome, Italy.

[9] Hristova lost her bronze medal match in the women's 65 kg event at the 2022 World Wrestling Championships held in Belgrade, Serbia.

[10][11] Hristova won the silver medal in the women's 65 kg event at the 2023 Dan Kolov & Nikola Petrov Tournament held in Sofia, Bulgaria.