Aidan O'Brien

June 4th, 2016: Epsom Derby The Epsom Derby has defined racing for 240 years. Harzand isn’t close to being the best horse on its historic roll of hon(...)

The Andrew Balding-trained Kameko isn’t the best horse in action this weekend but might just be the most important. Only his presence prevents Doncas(...)

Frankie Dettori and Aidan O’Brien have been Arc allies in the past but it will be very different story on Sunday when the Italian rider and Enable go (...)

A year after Alpha Centauri’s stellar career ended in shock defeat at “Irish champions weekend” Jessica Harrington is aiming for a happier Group One o(...)

Having landed Europe’s richest handicap with Mustajeer on Saturday, Ger Lyons is considering his options in terms of testing Siskin’s classic potentia(...)

The French Derby winner Study Of Man is set to take on ante-post favourite Roaring Lion in next Saturday’s €1.25 million QIPCO Irish Champion Stakes a(...)

 Gordon Lord Byron (2013) is the only Irish-trained horse to win the Haydock Sprint Cup in the last 45 years although both Aidan and Joseph O’Bri(...)

Aidan and Joseph O’Brien twice memorably combined to win York’s Juddmonte International although they will be rivals on Wednesday – each trying to sad(...)

Flat racing at Ballinrobe has got an official green light to continue and the events that forced last week’s card at the Co Mayo track to be abandoned(...)

When Jim Gavin started out in his first championship with the Dublin seniors just over five years ago, he used 20 players against Westmeath. For one r(...)