Droopys Sambuca went fastest in the GM Concrete Harolds Cross Puppy Oaks over 525 yards.
Robert Gleeson’s bitch was soon clear and she went on to beat Newbridge Open Unraced Stake winner Badminton Maid by five lengths in 28.67sec.
Pat Kiely’s Jeanettdollemma was soon clear in heat two to score narrowly in 28.80sec.
Michael Donnelly’s Danesrath Beauty was never headed in heat three to beat Ballymac Belle by two lengths in 28.97sec.
William Finn’s Genuine Pearl was another runner who never saw another rival when landing heat four in 29.15sec.
* Save The Don was an impressive winner of the Boylesports Irish Derby Trial Stakes over 550 yards at Harolds Cross. Fraser Black’s runner flew out and made all the running to come home four and a half lengths clear of Ravenswood Emily in 29.80sec.