 Fogarty first played for Kilkenny in 2003 when he joined the under-21 side.He won his sole Leinster medal that year following a 0-12 to 1-4 defeat of Dublin.Kilkenny later faced Galway in the All-Ireland decider, beating them with on a scoreline of 2-13 to 0-12, and giving Fogarty an All-Ireland Under-21 Hurling Championship medal.