 Kọ itẹsiwaju fun paragirafi yii - Tretyakov ni ara Russia akọkọ ti o gba ife ẹyẹ Agbaye 2013 ni St. Moritz, ife ẹyẹ Agbaye ti Skeleton lapapọ 200809 ati ami idẹ Olimpiiki ni Awọn Olimpiiki Igba otutu 2010. Oun ni oludije ami fadaka ti 2011 World Championships ni Königssee ati 2015 World Championships ni Winterberg, bakanna bi oludije ami idẹ ti 2009 World Championships ni Lake Placid : awọn ọkunrin skeleton iṣẹlẹ ati 2015 World Championships ni Winterberg àpapọ ẹgbẹ. Ní ọdún 2013 ní St. Moritz, ó di aṣẹgun àgbáyé. 