| 28th February - 1st March |
123.ie National Indoor Senior Championships |
Sport Ireland National Indoor Arena |
| 7th March |
IUAA Intervarsity Indoor Championships |
Sport Ireland National Indoor Arena |
| 7th - 8th March |
Swim Ireland Aspiring Champions Meet 2 & Meet 3 |
Sport Ireland National Aquatic Centre |
| 14th - 15th March |
GymSTART Floor & Vault Competition |
Sport Ireland National Indoor Arena |
| 21st - 22nd March |
Gymnastics Ireland National Series |
Sport Ireland National Indoor Arena |
| 22nd March |
Swim Ireland Irish/Senior Senior Secondary Schools Interpro |
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 |
