| 21st - 22nd March |
Gymnastics Ireland National Series |
Sport Ireland National Indoor Arena |
| 22nd March |
Swim Ireland Irish Senior Schools Relay Championships |
Sport Ireland National Aquatic Centre |
| 28th - 29th March |
Irish Taekwondo Association - Dublin Open 2026 - AETF Ranking Tournament |
Sport Ireland National Indoor Arena |
| 28th March |
International Trials - World Freestyle Baton Twirling Championships & Nations Cup |
Sport Ireland National Indoor Arena |
| 29th March |
Swim Ireland Minor/Primary Schools Gala |
Sport Ireland National Aquatic Centre |
| 3rd - 5th April |
Volleyball Ireland National Squads |
Sport Ireland National Indoor Arena |
| 11th April |
Swim for a Mile Indoor Challenge |
Sport Ireland National Aquatic Centre |
| 15th - 16th April |
National Construction Summit |
Sport Ireland National Indoor Arena |
| 18th - 19th April |
Dublin International Open IBJJF Jiu-Jitsu Championship |
Sport Ireland National Indoor Arena |
| 23rd April |
Table Tennis Ireland All Ireland Schools Championship |
Sport Ireland National Indoor Arena |
| 26th April |
Gymnastics Ireland JumpSTART Competition |
Sport Ireland National Indoor Arena |
| 28th - 30th April |
Schools Beach Volleyball Champs |
Sport Ireland Campus Multi Sport Pitches |
| 30th April |
Dare to Believe PEXpo |
Sport Ireland National Indoor Arena |
