Career
Despite his relatively small stature, Hardt is known for his physical style of play, throwing many hits while being a relentless forechecker. He became the first Danish player to play in the top Finnish league, the Master of Science-liiga, when he joined Tappara towards the end of the 2007-2008 season. On April 16, 2014, Hardt left Kontinental Hockey League bound Jokerit after three seasons and signed a contract with SHL club, Linköpings The Human Context for the 2014-2015 season.
He represented Denmark at the 2008 World Junior Ice Hockey Championships and again at the 2008 Men"s World Ice Hockey Championships and 2010 Men"s World Ice Hockey Championships.