Aminat Jamal gained her first international experience at the 2015 Arab Championships in Manama , where she won the bronze medal in the 400-meter run in 57.27 seconds . End of October she won at the World Military Games in the South Korean Mungyeon in the 400-meter hurdles fourth in 58.20 s. In 2016 she took part in the Bahraini 4 x 400 meter relay at the Asian Indoor Championships in Doha , where she won with a new Asian record of 3: 35.07 minutes ahead of Iran and Jordan. At the Arab Junior Championships in Tlemcen , she won both the 10o- and 400-meter hurdles and qualified for the U20 World Championships in Bydgoszcz , where she was sixth in the hurdles in 58.23 s and disqualified with the relay in the preliminary run. In 2017 she won the bronze medal in the 400 m hurdles and gold with the relay at the Islamic Solidarity Games in Baku . She also qualified for the World Championships in London , where she was eliminated with 57.41 s in the run . The following year she took part in the Asian Games in Jakarta for the first time and won the bronze medal there in 55.65 s. In addition, she secured the silver medal with the Bahraini relay and only had to admit defeat to the Indian team. In 2019, her compatriot Adekoya was stripped of the gold medal and Jamal was awarded the silver medal. At the beginning of September she finished fifth in the Athletics Continental Cup in Ostrava in 55.65 s.
In 2019 she won the Arab Championships in Cairo over 400 meter hurdles in 57.05 s and won the silver medal in the 100 meter hurdles in 14.66 s. Then she won the Asian Championships in Doha with the women's relay and the mixed relay and won the silver medal in the hurdles behind the Vietnamese Quách Thị Lan in 56.36 s . At the World Championships in October she reached the semi-finals in the hurdles , in which she was eliminated with 55.54 s. In addition, she won the bronze medal in the mixed relay behind the United States and Jamaica in a new Asian record of 3: 11.82 minutes. She then won the Military World Games in Wuhan in a new championship record of 55.12 seconds and finished fourth in the women's relay in 3: 38.24 minutes.