On 16 March 2016, he scored nine points as Scoil Mhuire Gan Smál defeated Roscommon CBS by 0-17 to 2-09 to take the All-Ireland title in the third tier Cusack Cup.
On 23 February 2019, he won a Fitzgibbon Cup medal after lining out at midfield in UCC's 2-21 to 0-13 defeat of Mary Immaculate College in the final.
[4] On 3 October 2020, Coleman scored 0-14 and was named man of the match when Blarney secured the Premier Intermnediate Championship title after defeating Castlelyons by 1-20 to 0-15 in the final.
[10] Coleman made his senior debut for Cork on 9 July 2016, replacing Stephen McDonnell for the final two minutes of an All-Ireland Qualifier against Wexford at Páirc Uí Rinn.
[12][13] Coleman was a regular starter for Cork's subsequent championship games, with his performance against Waterford in the semi-final earning him the GAA/GPA Player of the Month award.