 In all, Cloonan made 88 Championship appearances for Athenry Senior Hurlers, from his debut against Portumna in 1996, to his final game against Beagh in 2008.During that time he amassed an incredible tally of 53 goals and 652 points.Some of his best performances include a 2-7 haul as a 17 year old vs Clarinbridge in the 1996 Semi Final, 14 points vs Carnmore in the 2000 Semi Final, and followed that up with 2-10 vs Sarsfields in the County Final.