In 2019, Mansouri competed in the light flyweight event at the AIBA Women's World Boxing Championships held in Ulan-Ude, Russia.[7][3] She also competed in the minimumweight event at the 2022 IBA Women's World Boxing Championships held in Istanbul, Turkey.[8][4] She was eliminated in her first match in both events.[3][4]
Mansouri represented Algeria at the 2022 Mediterranean Games held in Oran, Algeria.[5] She competed in the women's light flyweight event where she was eliminated in her first match.[5] In the same year, Mansouri won the silver medal in her event at the African Amateur Boxing Championships held in Maputo, Mozambique.[9][10] In the final, she lost against Margret Tembo of Zambia.[10][11]
In 2023, Mansouri competed in the minimumweight event at the IBA Women's World Boxing Championships held in New Delhi, India.[12] A few months later, she won the gold medal in the women's 48 kg event at the 2023 Arab Games held in Algiers, Algeria.[13] In August 2023, Mansouri won the silver medal in her event at the African Amateur Boxing Championships held in Yaoundé, Cameroon.[14]
In 2024, Mansouri won the gold medal in the women's 48 kg event at the 2023 African Games held in Accra, Ghana.[6] She defeated Wafa Hafsi of Tunisia in her gold medal match.[6]