Mezue ahịrịokwu na-esonụ: O meriri asọmpi javelin na All-Africa Games na 2011 nakwa na African Championships na Athletics na 2012 na 2014; na 2013 World Championships ọ nọrọ na nke anọ, na-efunahụ ihe nrite na agba ikpeazụ. N'afọ 2014, ọ ghọrọ onye Kenya izizi meriri ihe nrite ọla edo na Commonwealth Games n'ihe omume ubi. Na 2015 World Championships ọ meriri nrite ọla edo site na ịtụ 92.72m, na-aghọ onye Kenya mbụ meriri nrite ọla edo nke World Championships na ihe omume ubi. O ritere ọlaọcha na
Egwuregwu Olimpik nke 2016 na Rio de Janeiro.