On 11 November 2012, Barron was at left wing-forward when the Nire faced Stradbally in the Waterford Senior Championship final.
[2] On 19 October 2014, Barron was at left wing-forward when the Nire defeated Stradbally by 0–11 to 0–06 to win the Waterford Championship.
[4] Barron lined out at left wing-back when the Nire faced Ballinacourty in the Waterford Senior Championship final on 6 November 2016.
[5] Barron was switched to centre-back for the Munster final on 27 November 2016, which the Nire lost to Dr Crokes by 3–15 to 0-06.
He made his only appearance for the team that season on 18 July when he played at left corner-forward in a 2–15 to 0–17 defeat by Clare.
[14] Barron made his Munster Championship debut on 2 June 2013 when he scored 0-01 from right corner-forward in a 2–20 to 1–15 defeat by Clare.
[16] On 12 July 2015, Barron was again at midfield when Waterford were beaten for the fourth time in six seasons by Tipperary in the Munster final.
[22] On 31 March 2019, Barron was named at midfield when Waterford faced Limerick in the National League final.
[24] On 15 December 2016, Barron won a Railway Cup medal after scoring a point from midfield in Munster's 2–20 to 2–16 defeat of Leinster in the final.