Ryan is joined by Niamh Coyne and John Shortt who both progressed this morning as well.
Portarlington's Shane Ryan, along with Niamh Coyne and John Shortt have all made it through to the semi finals of their respective events at the European Aquatics Championships in Belgrade.
Ryan booked his place in the semis after an 8th place finish in the time of 48.69 in the 100m Freestyle.
The mixed 4 x 100 metres medley relay team has also qualified for the final.
Clare Cryan was the first diver in action for Ireland on the 1 metre Springboard.
Cryan finished 11th after five rounds and qualified for the final Darragh Greene will swim in the final of the 100 metres breaststroke this evening.
Nathan Wiffen has booked his place in tomorrow's final of the men's 800 metres freestyle.
Laois SFC: Killeshin Deliver Knockout Blow To Portlaoise
Westmeath SFC: Moate All Whites Turn Attention To County "Standard Bearers"
Town Continue Rich Vein Of Form With Creditable Students Draw
Offaly SFC: Shamrocks And Tullamore Secure Semi-Final Spots
John Heslin Aiming To Feature For Westmeath Next Season
Westmeath SFC: St Loman's Mullingar And Moate All Whites Progress
Athlone Town Move Closer To Women's Premier Division Title
Alex Dunne Keeps F2 Title Hopes Alive With Spanish GP Podium
I've Great People Around Me - Shane Lowry
Trump To Lift US Tariff On Irish Whiskey After Talks With Shane Lowry
Lowry Breaks Title Drought With Magnificent Irish Open Victory
Shane Lowry Leading The Way At The Irish Open
Alex Dunne Secures Front Row Start For F2 Feature Race In Madrid
Former Golf Coach Stunned With Stuart Grehan Not Competing At Irish Open
Treaty United The Next Test For Athlone Town
Mark McHugh To Remain In Charge Of Westmeath Footballers
Cannonball 2026 Heading For Offaly Today
Westmeath SFC: St Loman's Mullingar Aiming To Push Forward
Laois SFC: Places In The Semi-Finals Up For Grabs