Competition started today at the National Aquatic Centre in Dublin.
Over 900 swimmers from more than 100 clubs will compete in the biggest Championships Swim Ireland has ever run with 3,762 Individual and 151 Relay swims taking place over the five days.
Teams from South Africa, Singapore, Oman, Dubai, Italy, England, Scotland and from all over Ireland will be descending on Dublin in the coming days to race.
Lisburn has more than 30 individual swimmers who have qualified for the meet which is a fantastic achievement in itself.
Follow their progress on Meet Mobile app or copy the link below into your web browser