Mezue ahịrịokwu na-esonụ: Na 29 Nọvemba 2007, IAAF kwupụtara na aha asọmpi ahụ ga-alaghachi na aha mbụ ya nke IAAF World Half Marathon Championships, na-amalite na
2008 IAAF World Half Marathon Championships na Rio de Janeiro, Brazil na 12 Ọktọba 2008.