In 2021, she posted a new personal best time in the
100m of 11.09 and, in the process, became the first Nigerian athlete to qualify for the delayed
2020 Tokyo Olympics. She also won the 100m at the National Sports Festival in
Benin. At the
Athletics at the 2020 Summer Olympics – Women's 100 metres, she ran a new personal best time of 11.00 seconds in her heat to qualify for the semi-finals. In 2022 she came sixth in the final of the
NCAA championship in both the 100 metres and the 200 metres. She entered both the 100m and the 200m at the
2022 World Athletics Championships and reached the semi-finals at both events. She also won the Nigerian National Championships over 100 metres. On 3 September 2022, she was provisionally suspended for the use of banned substances
Ostarine and
Ligandrol by the Athletics Integrity Unit (AIU). A three-year ban was confirmed the following year, with the start of the ban backdated to the date the positive sample was collected, 3 August 2022. Following her return to track, Nwokocha was scheduled to debut her outdoor season at the John McDonnell Invitational, but she was recorded as Did Not Start (DNS). ==References==