Tigist Ketema gained her first international experience at the 2016 African Championships in Durban , where she was eliminated in the first round with 2: 04.61 minutes. Then she won the bronze medal at the U20 World Championships in Bydgoszcz in 2: 05.13 minutes. The following year she won the Junior African Championships in Tlemcen in 2: 05.85 min.
In 2016, Ketema became the Ethiopian champion in the 800-meter run.
Personal bests
800 meters: 2: 02.28 min, June 10, 2017 in Hengelo
800 meters (hall): 2: 02.00 min, February 7, 2017 in Sabadell
1500 meters: 4: 05.09 min, July 2, 2019 in Marseille
1500 meters (hall): 4: 07.40 min, February 5, 2020 in Ostrava
2000 meters: 5: 41.24 min, June 11, 2019 in Montreuil
3000 meters (hall): 8: 56.63 min, February 12, 2019 in Eaubonne