[3] In 2010 during the league he was selected as one of the top young players as well being part of the Under 21 Dublin team that won the All-Ireland Under 21 Football Championship.
[4] In the 2011 All-Ireland Senior Football Championship, McManamon played a significant role in the semi-final and final.
In the semi-final against Donegal, he came as a substitute with 20 minutes left in the match and scored a vital point.
[6][7] As his career begun to wind down, Kevin developed a strong interest in Sports Psychology and has worked with such organisations as the winning Templeogue Basketball team and the Irish Amateur Boxing Team.
[citation needed] On December 1, 2021, in a statement released by Dublin GAA,[8] McManamon announced his immediate retirement from inter-county Football.