| Skibbereen Grand League Regatta - cancelled | NRC | Full | 11/04/2026 | 02/04/2026 |
| Sligo Sprint Regatta | Garravogue River | Non | 18/04/2026 | 09/04/2026 |
| University Championships | Lough Rinn | Non (University Only) | 18/04/2026 | 09/04/2026 |
| Limerick Regatta | O'Brien's Bridge, Co. Clare | Semi | 25/04/2026 | 16/04/2026 |
| Schools Regatta | O'Brien's Bridge, Clare | Non (School Only) | 26/04/2026 | 16/04/2026 |
| Bantry Sprint Regatta | Reendonegan Lake, Bantry | Non | 02/05/2026 | 23/04/2026 |
| Portadown Regatta | River Bann, Portadown | Non | 02/05/2026 | 23/04/2026 |
| Lough Rinn Regatta | Lough Rinn | Full | 09/05/2026 | 30/04/2026 |
| Masters Sculling Championships | Glenarm | Non | 09/05/2026 | 30/04/2026 |
| Olderfleet RC Open & Junior Regatta | Glenarm | Non | 10/05/2026 | 30/04/2026 |
| Trinity Regatta | Islandbridge | Non | 16/05/2026 | 07/05/2026 |
| Lee Regatta | Marina, Cork | Non | 16/05/2026 | 06/05/2026 |
| Commercial Regatta | Islandbridge, Dublin | Non | 17/05/2026 | 07/05/2026 |
| Lee Masters Regatta | Marina, Cork | Non | 17/05/2026 | 06/05/2026 |
| Castleconnell Sprint Regatta | Castleconnell, Limerick | Non | 23/05/2026 | 13/05/2026 |
| Dublin Metropolitan Regatta | Blessington Lake | Non | 23/05/2026 | 14/05/2026 |
| Castleconnell Masters | Castleconnell, Limerick | Non | 24/05/2026 | 13/05/2026 |
| Galway Regatta | NUIG Grounds, dangan, Galway | Non | 30/05/2026 | 21/05/2026 |
| Carlow Regatta | River Barrow, Carlow | Non | 31/05/2026 | 21/05/2026 |
| Belfast Sprint Regatta | River Lagan, Belfast | Non | 06/06/2026 | 28/05/2026 |
| Munster Branch Regatta | NRC | Full | 06/06/2026 | 28/05/2026 |
| Athlone Regatta | Coosan Point, Athlone | Non | 13/06/2026 | 04/06/2026 |
| Courtmacsherry Beach Sprint Regatta | Courtmacsherry | Non | 13/06/2026 | 04/06/2026 |
| Fermoy Sprint Regatta | Fermoy | Non | 14/06/2026 | 04/06/2026 |
| Cork Regatta | NRC | Full | 20/06/2026 | 11/06/2026 |
| Rowing Ireland 1K Classic | Lough Rinn | Non | 27/06/2026 | 18/06/2026 |
| Irish Rowing Championships | NRC | Full | 10/07/2026 | 02/07/2026 |
| Ring Beach Sprints League | Dunnen Beach | Non | 18/07/2026 | 09/07/2026 |
| Carrick Sprint Regatta | Carrick on Shannon | Non | 02/08/2026 | 23/07/2026 |
| Castletownbere Endurance Regatta Coastal Sc | Castletownbere | Non | 02/08/2026 | 23/07/2026 |
| Irish Coastal Rowing Championships | TBC | Non (Championships) | 15/08/2026 | 06/08/2026 |
| Endurance Senior Championship | Wicklow | Non (Championships) | 22/08/2026 | 13/08/2026 |
| TBRC Endurance Regatta | Tullaghan Bay | Non | 29/08/2026 | 20/08/2026 |
| Kenmare Endurance Regatta Coastal Sc | Kenmare | Non | 05/09/2026 | 27/08/2026 |
| Coastal Junior Championships | Bantry | Non (Championships) | 12/09/2026 | 02/09/2026 |
| Tullamore Time Trial | Grand Canal, Tullamore | Non | 26/09/2026 | 17/09/2026 |
| Dublin Sculling Ladder Time Trial | TBC | Non | 10/10/2026 | 01/10/2026 |
| St Michaels Masters/Juniors HOR | O'Briens Bridge, Clare | Non | 10/10/2026 | 01/10/2026 |
| New Ross Boat Club Barrow Challenge | NRBC Rosbercon New Ross Co.Wexford Y34 RP78 | Non | 11/10/2026 | 01/10/2026 |
| Bann Head Of The River | Lower Bann | Non | 17/10/2026 | 08/10/2026 |
| Castleconnell Head | Castleconnell, Limerick | Non | 24/10/2026 | 15/10/2026 |
| Lagan Autumn Head | River Lagan, Belfast | Non | 31/10/2026 | 22/10/2026 |
| Erne Fours HOR | Enniskillen | Non | 07/11/2026 | 29/10/2026 |
| Dublin Head Of The River | Lower Liffey, Dublin City | Non | 14/11/2026 | 05/11/2026 |
| Skibbereen HOR | River Ilen | Non | 14/11/2026 | 05/11/2026 |
| Provinces Indoor Rowing Provinces Indoor Rowing Co | Limerick | Non | 21/11/2026 | 12/11/2026 |
| Queen's Head Of The River | River Lagan | Non | 28/11/2026 | 19/11/2026 |
| Head Of The Shannon | TBC | Non | 05/12/2026 | 26/11/2026 |
| Muckross Head | NRC | Non | 05/12/2026 | 26/11/2026 |