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Aidan O'Brien

Ballydoyle Training Methods Training Strategies Achievements Training Techniques Race Strategies Delacroix Coolmore Race Strategy Charlie Appleby

The Lion In Winter Euthanised After Fatal Training Fracture at Ballydoyle

His death removes a planned Queen Anne contender from Royal Ascot, weakening Coolmore’s mile options for the meeting.

O'Brien Names Two for Derby as Constitution River Call Looms

Trials Recast Epsom Picture as Ballydoyle Sweeps Chester and Rayif Wins French Guineas

O’Brien and Moore Sweep Chester Trials as Benvenuto Cellini Heads Derby Betting

Amelia Earhart Wins Cheshire Oaks to Lead Betfred Oaks Market

O'Brien Duo Win on Return to Set French Derby and Gold Cup Paths

True Love Hands O’Brien Eighth 1,000 Guineas Win

Bow Echo Wins 2,000 Guineas to Give Loughnane First Classic

Raaheeb Surges Into Derby Picture With Commanding Sandown Classic Trial Win

Zavateri and Albert Einstein Headline Greenham Stakes Test at Newbury

O’Brien Cites ‘Computer Blip’ After Albert Einstein and Gstaad Are Scratched From 2,000 Guineas

Gladness Stakes Setback Leaves Albert Einstein’s Guineas Plan Uncertain

Albert Einstein Declared for Curragh Gladness Stakes in Early-Season Return

O'Brien Installs Albert Einstein as 2,000 Guineas No. 1, Plans Direct Newmarket Target

Ryan Moore Wins on Return at Lingfield, Sets Sights on Hong Kong

Sovereignty Scratched as Breeders’ Cup Classic Field Settles at Nine

O’Brien’s Juveniles Reorder 2026 Classics After Futurity Sweep and Saint-Cloud Double

Trawlerman Wins as 200-1 Sprint Upset Marks British Champions Day at Ascot

Champion Stakes Trilogy Headlines Finalised British Champions Day at Ascot

Precise Wins Fillies' Mile to Become 1,000 Guineas Favourite