Mason joined BWC Academy’s U16 Prep team for the 2017/18 season, recording 16 points in 35 games. The Vancouver, BC forward would play for the West Van Academy U18 Prep team the following two seasons, finishing with 5 goals and 15 assists in 72 games.

In 2020/21 Mason would head to the Manitoba Junior Hockey League (MJHL) with the Swan Valley Stampeders, spending three seasons with the team. In 110 MJHL games Mason tallied 14 goals and 21 assists.

Located in Dudley, MA, Nichols College is an NCAA Division III program.