Mezue ahịrịokwu na-esonụ: Ọ bụ onye otu ndị otu bọọlụ bọọlụ biathlon nke Slovenia site na 2002 ruo 2017, ebe ọ bụ onye na-agba ọsọ ọsọ ọsọ tupu nke ahụ. Nsonaazụ ya kacha mma na Biathlon World Cup bụ ebe nke abụọ n'ọsọ 15 km Onye ọ bụla n'ọsọ
World Championships emere na Pyeongchang, Korea n'oge oge 2008-09. Na 2012 World Championships, Gregorin meriri ọla ọcha na ngwakọta agwakọta, ya na Andreja Mali, Klemen Bauer na Jakov Fak.