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Aidan O'Brien

Ballydoyle Training Methods Training Strategies Training Techniques Achievements Race Strategies Delacroix Coolmore Charlie Appleby Andrew Balding

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

The trainer’s public backing has tightened the colt’s price, leaving stamina over a mile as the key unknown.

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

Daryz Edges Minnie Hauk to Win 2025 Arc, Delivering First Title for Barzalona and Graffard

Daryz Wins 2025 Prix de l'Arc de Triomphe for Aga Khan at ParisLongchamp

Minnie Hauk Drawn in Stall One as Arc Field Drops to 17 After Estrange Withdrawal

Delacroix Seals Irish Champion Stakes With Dazzling Burst Under Soumillon

Delacroix Seizes Irish Champion Stakes as Soumillon Steps In for O’Brien

Scandinavia Edges St Leger at Doncaster to Give Aidan O’Brien a Ninth Win

Soumillon Drops St Leger Mount to Lead Ballydoyle Rides After Moore Injury

O'Brien Puts Minnie Hauk on Arc Path as Ballydoyle Maps Multi-Horse Bid

Ryan Moore Sidelined for Months With Fractured Femur, O’Brien Confirms

Wayne Lordan Handed 10-Day Whip Ban, Will Miss St Leger and Irish Champions Weekend

True Love Installed as 1-5 Favourite After Gstaad Scratched From Phoenix Stakes

William Buick Booked to Ride Field Of Gold in Goodwood’s Sussex Stakes

Minnie Hauk Completes English-Irish Oaks Double and Eyes Arc Prep