Overview
- Daniel Wiffen retained the 1500m freestyle crown in 14:14.96, adding to his earlier 400m bronze and finishing ahead of Zalan Sarkany and Florian Wellbrock.
- John Shortt claimed the 200m backstroke title with a 1:47.89 world junior record, converting his top seeding into a first senior gold.
- Evan Bailey twice lowered the Irish 200m freestyle record to 1:42.01 and advanced to the final.
- Ellie McCartney set a national 200m breaststroke record of 2:18.81 in the semi-final to secure a place in the final.
- Ellen Walshe set an Irish 100m individual medley record at 58.80 before finishing seventh in the final in 58.62.