Ryan Farquhar took three wins at the inaugural Armoy road races before the meeting was abandoned following the death of a spectator at the event.
The Dungannon rider won the Open race by five seconds from Guy Martin with Michael Dunlop third, Adrian Archibald fourth and William Dunlop fifth.
Farquhar took victory in the Supersport 600cc event, with William Dunlop second and then won the Supertwins event.
Michael Dunlop won the 250cc race from brother William and also the 125 race.
Nigel Moore was second in the 125cc class, Wayne Kennedy third and Sam Dunlop fourth.
William Dunlop led for much of the 250cc event but was pipped by his brother by less than a second on the final lap, with Guy Martin third and Davy Morgan, Farquhar and Barry Davidson making up the top six.
Wayne Hamilton won the Junior Support race, Benny Smith the Senior Support event and Geoff McMullan took the Junior Classic honours.
Farquhar’s three wins took his tally for the season to 52 and left him just two short of Joey Dunlop’s record of 119 Irish national road race wins.
John Burrows was 18 seconds behind Farquhar in the Supertwins while William Dunlop was 5.5 seconds adrift of Farquhar in the Supersports http://www.youtube.com/watch?v=TmBVyOIWyhg