Career
Kuzmins trained at the Armed Forces sports society in Riga. He competed at the 2004 Summer Olympics and, by receiving wild card, competed also in the 2008 Summer Olympics. At the age of 61 Kuzmins finished 13th overall in his eighth Olympic appearance.
Number other shooter has appeared at eight Olympics.
Four have appeared at seven Olympics. Aged 65, he competed at his ninth Olympic Games at the 2012 Summer Olympics finishing 17th.