Hesz took up the sport at age five.[3] In 2022 Hesz became the national champion with hoop exercise, also winning bronze with clubs.[4] In May she won silver in the All-Around and gold with ball at the Pécs Cup.[5] In September 2023 she was included in a national program for gifted athletes.[6] A month later she took bronze at nationals.[7]
At the 2024 Irina Deleanu Cup she won bronze with ball.[8][9] In April she won gold in the All-Around and bronze in teams at the Hungarian Championships in Törökbálint.[10] In September she took bronze with ribbon at the Hungarian Cup.[11] At the Balkan Championships in Budva she was 6th with hoop, 7th with ball and 8th with clubs.[12] A month later she was 8th in the Master’s Championship.[13]
In April 2025 she was 7th with ball at the AGF Trophy.[14] She then became national champion in the All-Around.[15] In May she competed in the European Cup in Baku, winning bronze in the clubs final behind Antoaneta Tsankova and Viktoriia Dorofieieva.[16][17][18][19] At the stage in Burgas she was 9th with clubs and won bronze in teams with Elena Vukmir.[20][21] Ten days later she won silver in teams, along Vukmir and Regina Orvendi, at the 24th Irina Deleanu Cup in Brasov.[22] She was then selected for the 2025 Junior World Championships in Sofia, being 27th with club and 9th in teams.[23]
Hesz became age eligible for senior competitions in 2026.
Hungary
Hungary