He was the 2018 Nigerian National Sports Festival champion and the 2019 African Games bronze medallist in the 100 metres.

This effectively ended Seye Ogunlewe's streak of three consecutive national titles in the 100 m. He had previously been the national junior champion in 2017, in a race that saw him deny Raymond Ekevwo a successful defense of the junior title.

[8][9] In 2018, he competed at the African Championships in Asaba, helping the Nigerian team qualify for the 4 x 100 metres relay final.

Itsekiri gained his first experience at international competition at the 2015 African Youth Athletics Championships in Reduit, where he finished fourth over 200 metres.

[10] He later participated in the 2015 Commonwealth Youth Games held in Apia and reached both the 100 and 200 metres semi-finals.