<prompt> Qedela umusho olandelayo: Wayeyilungu leqembu eliphumelele i-Biathlon World Championship relay ngo-2001, neqembu lika-2004 elazuza ithusi. Emqhudelwaneni we-Biathlon World Championship 2007 e-Antholz, uDefrasne wathola indondo yethusi, ekulandeleni i-12.5 km kanye nendondo yesiliva emcimbini we-Mixed Relay. Ngo-2009, ngesikhathi  <response>: Emqhudelwaneni we-World Championships ePyeongchang, uDefrasne wayeyingxenye yeqembu eliphumelele le-relay elixubile. 