Murphy makes mark with 50m butterfly record
He broke this record again in the final, dipping under 24 seconds to set a time of 23.95.
The final session got off to a flying start with both Brendan Gibbons (Athlone) and Conor Turner (Aer Lingus) going under the existing Irish junior record in the 1500m freestyle. Gibbons picked up the title in 8.12.35 with Turner just behind in 8.12.73.