Guzi won bronze in the junior competition at the
Laser Run World Championships in
Dublin in 2018, and won gold at the same event in 2019 in Hungary. She won silver in the individual and gold in the team event at the
2021 European Modern Pentathlon Championships in Russia. That year, she won silver in the team event at the
2021 World Modern Pentathlon Championships in
Cairo. Guzi was a bronze medalist at the
2022 World Modern Pentathlon Championships in the women's team event in
Alexandria, Egypt. That year, she was a medalist at the
2022 European Modern Pentathlon Championships in Hungary. She won the
2023 Modern Pentathlon World Cup individual event in
Budapest. Guzi had success at the
2024 Modern Pentathlon World Cup, winning a bronze medal in the Mixed team relay alongside Gergely Regős, in
Budapest, and gold in the individual in
Sofia, Bulgaria. ==Personal life==