Coola Boola wins Killarney chase The Adrian Maguire trained Coola Boola, under Shane Hassett, ran out the seven lengths winner of the Allied Irish Banks Killarney Handicap Chase at Killarney this evening. The son of Prince Rooney made all, eventually seeing off the challenges of runner-up Rathnaskillogue and Francis Du Mesnil. Coola Boola, a ten year old gelding, was recording his first win under any code, having had numerous runs in point to points.