Aidan O’Brien has equalled the world record for the number of Group and Grade 1 winners trained on the Flat in a calendar year. Ireland’s champion trainer won his 25th Group 1 in 2017 when Hydrangea won the Qipco British Champions Fillies and Mares Stakes at Ascot, equalling the record set by Bobby Frankel in 2003. The incredible achievement … Continue reading Aidan O’Brien Equals World Record for Group 1 Winners