The 2021 Asian Championships gold medalist at 125 kg, Boltin has represented Kazakhstan on the senior level in men's freestyle since 2014.
125 kg Semifinal - Geno Petriashvili, Georgia vs Oleg Boltin, Kazakhstan
Oct 2, 2021
125 kg Semifinal - Geno Petriashvili, Georgia vs Oleg Boltin, Kazakhstan