The Irish Open Swimming Championships will feature a number of Olympians and Paralympians when the five-day event at the Sport Ireland National Aquatic Centre in Dublin begins on Saturday.
Alost 500 swimmers from 70 clubs will compete for national titles in 34 individual events, while it was also act a qualifying event for a number of events.
It will be the final opportunity for swimmers to post consideration times for the World Championships in Fukuoka, Japan, World Para Swimming Championships in Manchester and a host of youth competitions around the world.
Recent European record breakers Daniel Wiffen and Róisín NíRíain will feature.
Wiffen and Mona McSharry have a foot in the door already when it comes to selection for the World Championships based on their performances at the 2022 Commonwealth Games and European Championships respectively.
Olympians Danielle Hill, Darragh Greene, Ellen Walshe and Finn McGeever will also compete, while Shane Ryan returns to racing after a period out of action.
The championships in Japan will offer a first opportunity for Irish swimmers to post an Olympic Qualification Time (OQT) for Paris 2024.
Paralympic medallists Ellen Keane and Nicole Turner, NíRíain and Barry McClements are all already under consideration for the World Para Swimming Championships in Manchester in August having met the minimum qualification standards.
Ireland National Performance Director Jon Rudd said: "Time flies as always in Performance sport, and with only a few days to go until the Irish Open Championships begins, excitement is mounting, particularly at the prospect of so many national team places up for grabs this summer.
"The World Championships in July is the first of three opportunities for our athletes to qualify for the 2024 Olympic Games, so a secured place on this team has additional value on this occasion."
