 Pak akakwanisa kungova wechitanhatu chete paPyongyang Marathon ya2009 asi akapinda mumakwikwi evarume emarathon paWorld Championships muna 2009 uye akauya wechi43 nenguva ya2:21:12. Akakunda menduru yake yekutanga yepasi rose paEast Asian Games gore iro, achitora sirivheri yehafu yemarathon. Akanga ane run yakasimba pa2010 Pyongyang nhangemutange, achimhanya 2:14:09 nguva yake inokurumidza kubvira 2007. Zvisinei, aifanira kugutsikana nenzvimbo yechipiri shure kweanokunda Ivan Babaryka. Akamhanyira kumitambo yeAsia ya2010uye akanga ari wechisere mumarathoni. Mumutambo wake wega wa2011, akamiririra North Korea ku2011 World Military Games, achipedza wechishanu. 