<prompt> Pedzisa mutsara unotevera: Akanga ariwo nhengo yechikwata chakakunda Biathlon World Championship relay muna 2001, uye 2004 chikwata chakakunda bronze. PaBiathlon World Championship 2007 muAntholz, Defrasne akawana menduru yebronze, mumakiromita 12.5 ekutsvaga uye menduru yesirivheri mumutambo weMixed Relay. Muna 2009 pa  <response>: World Championships muPyeongchang, Defrasne akanga ari chikamu chechikwata chakakunda chakasanganiswa. 