 Billy-Scott Irakose akaberekwa musi wa 30 Gumiguru 1996 mutambi wekushambira wekuBurundi. Akakwikwidza mumakwikwi evarume emamita 50 akasunungukamumakwikwi e2016 Summer Olympics, uko akaiswa pachinzvimbo che66th nenguva ye26.36 seconds. Haana kuenda kumasemifinal. Akamirira Burundi pa2019 African Games yakaitirwa muRabat, Morocco. 