Kingsbarns was backed as if defeat was out of the question prior to his debut in Navan's Irish Stallion Farms EBF (C&G) Maiden and those who took the 4/11 never had to worry.
The beautifully-bred son of Galileo strode right away from his rivals after taking up the running two furlongs out, and Joseph O'Brien did not need to get serious to go two in front of Pat Smullen in the race for the jockeys' title.
Dubaya (25/1) showed excellent acceleration to also make a successful start to her career in the Irish Stallion Farms EBF Fillies Maiden.
Andy Oliver's youngster is not bred to come her into own until she tackles middle-distances, but she hit top gear in the final furlong to collar Morga by a length.
Her jockey Gary Carroll followed up when repelling Ballydoyle representative Exact on 5/1 chance Brinestine in the Irish Stallion Farms EBF Maiden for three-year-olds.
Top-class hurdler Go Native looked all over the winner entering the final furlong of the October Maiden but his two-and-a-half-year absence told close home and he faded into third behind another jumper in the shape of Colm Murphy's Glam Gerry (16/1).
The application of blinkers did the trick for Regal Power, who made it eighth-time lucky in the Kells Maiden.
Edward Lynam's charge had been a bit costly to follow this summer but there was no faulting his attitude as he fought off Sandspring by a head as a 9/2 shot.
La Canaada (10/1) made every post a winning one under Joe Doyle in the Trim Apprentice Handicap, beating last year's victor Amour Fou by three-and-three-quarter lengths.
King Of Dudes (14/1) benefited from an enterprising ride from Luke Dempsey in the Meath Handicap and although he was running on empty in the final strides, the line just came in time.