 Kunyora kuenderera mberi kweiyi ndima - Kutanga kwake kwenyika yeGreat Britain kwakatevera pa2011 World Youth Championships muAthletics, kwaakaisa yegumi nerimwe mumakwikwi ekupedzisira. Markovc akakwikwidza mumutambo wake wekutanga mukuru wekumhanyisa nyika ku2013 IAAF World Cross Country Championships, achiisa 21st mumakwikwi evadiki. Akanga ariwo wekupedzisira mumakwikwi e2013 European Athletics Junior Championships uye 2014 World Junior Championships muAthletics. Pashure pomutambo wokupedzisira iye haana kukwikwidza kwemwedzi 18. 