<prompt> Bhala ukuqhubeka kwalesi sigaba - Wazalelwa edolobheni lase-Ojiya esifundazweni saseNiigata, u-Isa wathola i-biathlon ngemuva kokuphothula esikoleni esiphakeme futhi wajoyina ibutho lezempi. U-Isa waqala ukudlala kwiNdebe yoMhlaba emzuliswaneni wokuqala weNdebe yoMhlaba ka-200001 e-Antholz-Anterselva, e-Italy. Ngaleyo sizini u-Isa wenza i-debut yakhe eMqhudelwaneni Womhlaba eMqhudelwaneni Womhlaba ePokljuka. Uphinde wabamba iqhaza kuwo wonke ama-World Championships kusukela ngo-2003 kuya ku-2009  <response>: , bese kuba yiwo wonke ama-World Championships amathathu kusukela ngo-2011 kuya ku-2013 eJapane. U-Isa wabamba iqhaza kuma-Olimpiki akhe okuqala ngo-2002 futhi wabamba iqhaza kuma-Olimpiki ngo-2006, 2010 nango-2014. Ukugcina kwakhe okuhle kakhulu kuma-Olimpiki kwafika emjahweni ongamakhilomitha ayi-12.5 ngo-2006, waqeda ngo-35. Ukugcina kwakhe okuhle kakhulu kwe-relay nakho kwafika ngo-2006, indawo ye-12. Ukugcina kwakhe okuhle kakhulu emidlalweni ye-World Championships kwafika ngo-2005 eHochfilzen, lapho u-Isa aqeda khona endaweni yama-25 ekulandeleni. Ukugcina kwakhe okuhle kakhulu kwe-relay eMqhudelwaneni Womhlaba kwakuyi-11 eyafika ngo-2001 ePokljuka. 