Olivier Mwimba Sefu (born 6 November 1994) is an Olympic athlete from the Democratic Republic of Congo.
Career Mwimba qualified from his preliminary heat at the Athletics at the 2020 Summer Olympics – Men's 100 metres race, in a time of 10.63 seconds.
In September 2025, he was competed in the 100 metres at the 2025 World Championships in Tokyo, Japan.
Personal life Born in Zaire, Mwimba moved to South Africa at a young age and studied accounting at the Tshwane University of Technology in Pretoria.
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