### Division 1A
Ballynahinch rounded off their season with a 17-10 win over Young Munster as they picked up a first victory since February. They finished Division 1A in 9th place, meaning they're in a relegation play-off with bottom side UCC.
Relegation Play-Off First Leg (April 23): UCC v Ballynahinch, the Mardyke<br>
Relegation Play-Off Second Leg (April 30): Ballynahinch v UCC, Ballymacarn Park
### Division 1B
City of Armagh had already confirmed a 6th place finish ahead of a 28-18 defeat by Banbridge in their final league game of the season. However, this win wasn't enough for Banbridge as they finished in 9th place, meaning they head into the relegation play-off with Navan RFC.
Relegation Play-Off First Leg (April 23): Navan v Banbridge, Balreask Old<br>
Relegation Play-Off Second Leg (April 30): Banbridge v Navan, Rifle Park
### Division 2A
Queen's University had already secured top spot before a final fixture defeat to Ballymena - which saw them hold on to 4th place. It means these two sides will meet in the promotion semi-final.
Promotion Play-Off Semi-Finals (April 23): QUB v Ballymena, Dub Lane; Cashel v Buccaneers, Spafield<br>
Promotion Play-Off Final (April 30): Home advantage to highest-ranked team
Rainey Old Boys completed the regular season with a 33-10 loss at Old Crescent, meaning they finished in 10th place and enter the relegation battle.
Relegation Play-Off First Leg (April 23): Rainey OB v Nenagh Ormond, Hatrick Park<br>
Relegation Play-Off Second Leg (April 30): Nenagh Ormond v Rainey OB, New Ormond Park
### Division 2B
Belfast Harlequins got themselves up into second spot on the final day of the regular season, rewarded for winning 45-33 at Malahide. The victory gave them home advantage as they push for promotion.
Promotion Play-Off Semi-Finals (April 23): Greystones v Galway Corinthians, Dr Hickey Park; Belfast Harlequins v Blackrock College, Deramore Park<br>
Promotion Play-Off Final (April 30): Home advantage to highest-ranked team
### Division 2C
Bangor had already secured a promotion playoff spot ahead of their win away to Bruff, which saw them end the season in 3rd place.
Promotion Play-Off Semi-Finals (April 23): Enniscorthy v Tullamore, Alcast Park; Skerries v Bangor, Holmpatrick<br>
Promotion Play-Off Final (April 30): Home advantage to highest-ranked team
City of Derry did all they could to avoid a playoff as they beat Tullamore 49-28 in their last fixture, but results elsewhere saw them finish 9th, meaning they face a relegation fight.
Relegation Play-Off First Leg (April 23): Clonmel v City of Derry, Ardgaoithe<br>
Relegation Play-Off Second Leg (April 30): City of Derry v Clonmel, Judge’s Road