 As a youth, Alzner played in the 2002 Quebec International Pee-Wee Hockey Tournament with a minor ice hockey team from Burnaby.He later played Junior B as a 14/15 year old for the Richmond Sockeyes in 2003–04, and won the PIJHL league championship, the Cyclone Taylor Cup provincial championship and placed 2nd in the Keystone Cup.Alzner played four Western Hockey League (WHL) seasons with the Calgary Hitmen as part of a standout junior career.