St Mark’s Basilica: carries the mantle of favouritism into Sunday’s French Derby at Chantilly. Photograph: Morgan Treacy/Inpho

Aidan O’Brien’s unequalled Epsom dominance underlines the most glaring omission in his classic CV which he will finally hope to put right in Sunday’s(...)

John Oxx talks to jockey Gavin Ryan at the Curragh on Monday, where he ran his final horses as a trainer. Photograph:  Morgan Treacy/Inpho

John Oxx brought the curtain down on his stellar career at the Curragh on Monday, although there was no fairytale ending. The Curragh -based trainer,(...)

Aidan O’Brien’s Russian Empire (right) will contest the Epsom Derby. Photograph:  Edward Whitaker/Pool/AFP via Getty Images

Owners will be allowed go racing under certain restrictions next month, Horse Racing Ireland has confirmed. Racing’s ruling body outlined on Thursda(...)

 Jim Crowley riding Mustashry (blue) to win the Al Shaqab Lockinge Stakes at Newbury. Photograph:  Alan Crowhurst/Getty Images

Mustashry put up a career-best performance as he skated away from his rivals to lift the Al Shaqab Lockinge Stakes at Newbury. Taking trainer Michael(...)

 Ryan Moore rides Magical to win the Qipco British Champions Fillies & Mares Stakes at  Ascot. Photograph: Charlie Crowhurst/Getty Images

Magical is set to be given the green light to contest the Breeders’ Cup Turf following her Champions Day heroics. The Aidan O’Brien-trained filly was(...)

Laurens and Daniel Tudhope hold off Happily to take the Sun Chariot Stakes at Newmarket. Photograph: Tim Goode/PA

Laurens claimed the fifth Group One of her career in the Kingdom Of Bahrain Sun Chariot Stakes at Newmarket. Karl Burke’s stable star was reappearing(...)

 Trainer Richard Hannon has booked Tom Marquandat to ride the shock 66-1 Newmarket 1,000 Guineas winner Billesdon Brook at Goodwood. Photograph: Harry Trump/Getty Images

Aidan O’Brien has a Qatar Nassau Stakes hat-trick in his sights with Rhododendron, who takes on a small but select field in Thursday’s Group One Goodw(...)

 Justify, ridden by jockey Mike Smith, crosses the finish line to win the 144th running of the Kentucky Derby at Churchill Downs. Photograph: Getty Images

Justify won the 144th running of the Kentucky Derby at Churchill Downs in Louisville on Saturday, becoming the first horse since Apollo in 1882 to win(...)

Aidan O’Brien: A first race on dirt had been originally mooted for his star last week. Photograph: Inpho

Reports in America indicate thePrix de l’Arc de Triomphe heroine Found will defend her crown in Saturday night’s Breeders’ Cup Turf rather than attemp(...)

Trainer Aidan O’Brien. Photograph: Alan Crowhurst/Getty Images

After his extraordinary Arc ‘clean sweep’ on Sunday, Aidan O’Brien could make further progress towards a potential Group One world record at Newmarke(...)

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