Kozák wuxuu sidoo kale ku guuleystay siddeed iyo toban billadood ICF Canoe Sprint World Championships oo leh afar iyo toban dahab ah (K-1 500 m: 2013, 2014
, 2018; K-2 200 m: 2011; K-2 500 m: 2009, 2010, 2015, 2018; K-4 500 m: 2009, 2011, 2013, 2014, 2018 iyo K-1 200 m Relay: 2013), laba lacag ah (K-1 500 m: 2011 iyo K-4 500 m: 2015) iyo laba naxaas ah (K-1 500 m: 2019, K-2 1000 m: 2007).