Kiernan represented Ireland 17 times between 1975 and 1993, competing seven times in world cross-country championships, and won five Irish titles, from the 1,500m to the marathon, and also national inter-club and inter-county cross-country titles.[citation needed]
His running club in Dublin was Clonliffe Harriers. Kiernan coached many athletes including Ciara Mageean and trained regularly in the UCD campus.[7]
He was a regular part of RTÉ's athletics television coverage.[8][9]
Achievements
All results regarding marathon, unless stated otherwise