On 9 March 2014, Blanchfield scored a point when St. Kieran's College suffered a 2–13 to 0–13 defeat by Kilkenny CBS in the Leinster final.
[3] He was selected at right wing-forward by spent much of the game at centre-forward when St. Kieran's College faced Thurles CBS in the All-Ireland final.
On 9 November 2014, Cleere won a Kilkenny Junior Championship medal after scoring 1-01 from right corner-forward in a 1–17 to 1–07 defeat of Mooncoin in the final.
[5] He retained his position at right corner-forward for the Leinster final on 6 December 2014 and ended the game with a winners' medal after the 1–20 to 0–03 defeat of Shamrocks.
[7] On 18 October 2015, Blanchfield lined out in the forwards when Bennettsbridge drew 0–20 to 3–11 with St Patrick's Ballyragget in the Kilkenny Intermediate Championship final.
Blanchfield won a Leinster Championship medal on 21 November 2015 after scoring two points from right corner-forward in a 1–14 to 0–13 defeat of Kiltale in the final.
[9] On 28 October 2018, Blanchfield lined out at centre-forward when Bennettsbridge faced Ballyhale Shamrocks in the Kilkenny Senior Championship final.
On 7 July 2013, he won a Leinster Championship medal after scoring two points from right wing-forward in Kilkenny's 1–18 to 0–08 defeat of Laois in the final.
[11] On 6 July 2014, Blanchfield won a second successive Leinster Championship medal after scoring 2-03 from full-forward in Kilkenny's 2–19 to 2–10 defeat of Dublin in the final.
[15] On 5 July 2017, Blanchfield won a Leinster Championship medal after scoring a point from full-forward in 0–30 to 1–15 defeat of Wexford in the final.