Kammala jumla mai zuwa: Reinhart ya wakilci Kanada a wasanni biyar da International Ice Hockey Federation (IIHF) ta amince da su, biyu a matakin 'yan kasa da shekaru 18, biyu a matakin matasa na duniya, da kuma daya a gasar zakarun duniya na maza na IIHF. Ya lashe zinare a 2016, zinare a
2015 da tagulla a 2012 a matakin 'yan kasa da shekaru 18. Bugu da ƙari, Reinhart ya wakilci Kanada Pacific a 2012 Duniya U-17 Hockey Challenge da kuma Kanada a 2012 Ivan Hlinka Memorial Tournament.