Joseph O’Brien on Order of St George romps home to win the Irish St Leger at the Curragh as part of the Longines Irish Champions Weekend. Photograph: Donall Farmer/Inpho

Aidan O’Brien and Coolmore Stud put a triple-Group 1 Curragh seal on a stunning ‘Irish Champions Weekend’ dividend for Irish racing’s dominant team. O(...)

David Wachman: “She is in both races, is on track for Champions Weekend and we will have to see what the owners want to do.” Photograph:  Lorraine O’Sullivan/Inpho

Legatissimo is already one of Europe’s busiest and most successful Group One performers in 2015 and the David Wachman-trained filly continues to appea(...)

Ryan Moore partnered the thrilling Gleneagles to a comfortable victory in the St James’s palace Stakes at Royal Ascot. Photograph: Reuters

Dual Guineas hero Gleneagles turned in a dominant performance in the St James’s Palace Stakes at Royal Ascot. Aidan O’Brien’s three-year-old was a bri(...)

Trainer David Wachman  with Ryan Moore after he rode Legatissimo to win The Qipco 1000 Guineas Stakes at Newmarket. Photograph: Alan Crowhurst/Getty Images

Ryan Moore returns to the Curragh today on the back of a Newmarket Guineas double that has sealed his new tie-up with the Coolmore Stud. A barnstormi(...)

Ryan Moore rides Legatissimo (centre, orange and blue cap) to win The Qipco 1000 Guineas Stakes at Newmarket. Photo: Charlie Crowhurst/Getty Images

Irish-trained horses completed an English Guineas double as jockey Ryan Moore completed a double of his own with a powerful late surge on David Wach(...)

Joseph O’Brien: to ride Ruler of the World on Champions Day, Britain’s richest raceday.

Joseph O’Brien will replace Frankie Dettori on the 2013 Derby winner Ruler of the World in the Champion Stakes at Ascot tomorrow. Dettori had ridden t(...)

 Ryan Moore riding Found (blue and orange colours)  to victory in the  Prix Marcel Boussac  at Longchamp  in Paris. Photograph: Alan Crowhurst/Getty Images

Full Mast was named the winner of the Prix Jean-Luc Lagardere at Longchamp after first past the post Gleneagles was demoted to third by the stewards.H(...)

Ruler of the World will remain in training with Aidan O’Brien but will run in the colours of Al Shaqab Racing.

Al Shaqab Racing has purchased a “significant interest” in the Coolmore-owned Ruler Of The World, last season’s Epsom Derby winner. The f(...)

Joseph O’Brien riding Leading Light to victory in  The Ladbrokes St Leger at Doncaster. Photograph: Alan Crowhurst/Getty Images

Joseph O’Brien erased the painful memory of defeat for Triple Crown-seeking Camelot in the Ladbrokes St Leger at Doncaster 12 months ago with victory (...)

Aidan O’Brien

Cirrus Des Aigles was the clear market leader last night for the King George VI & Queen Elizabeth Stakes at Ascot on Saturday following the defect(...)