Ryan Farquhar claimed a double at the Dundalk road races on Sunday. The Dungannon rider took victory in the 250 event ahead of Enniskillen's Richard Britton and followed up with a success in the 600 race.
Dubliner Martin Finnegan also raced to two wins including the Gold Cup race, while Ballymoney's Robert Dunlop triumphed in the 125 event.
Trevor Ferguson, Robert McCrum, Killian Galligan, Declan Swanton and John Walsh were also winners at the meeting.
Meanwhile, Newtowards rider Gordon Crockard picked up two championship points on his return from injury at the European Motocross GP in Germany on Sunday.
The CAS Honda ace from Newtownards crashed out of the opener but finished 14th in the second race.
Meanwhile, Toomebridge's Michael Laverty has qualified in fourth for Monday's British Supersport race at Cadwell Park with Adrian Coates starting from 10th.
Laverty's brother Eugene is 11th on the grid in the British 125 class.