Mason had a number of hurling successes as a student at St Kieran's College in Kilkenny.
[2][3] Mason later lined out with University of Limerick and was part of their Fitzgibbon Cup-winning teams in 2022 and 2023.
[6][7][8] Mason was 16-years-old when he first played on the inter-county scene with Kilkenny as a member of the minor team.
[9] He won a Leinster MHC medal in 2017, however, a change in the age limit meant that this was his only year in that grade.
His granduncle, Maurice Mason, also played for Ballyhale Shamrocks and captained Kilkenny in 1981.