Having won the heat Saturday it was all to play for midday Sunday against the best from England, Scotland and Wales.
With 250m to go he was ahead pushing a determined pace and stretching the field going on to take the win in 1.56.06.
A notable victory for this young lad building on what was a most outstanding year in 2015.
He was one of two Irish winners over the weekend Ciera Neville a talented 60m girl from Limerick also winning.