aidan o'brien

Snowfall has the engine to tac...

Snowfall has the engine to tackle any ground in Arc | Aidan O'Brien

"The best horse we have ever had" - St. Mark's Basilica retires

Snowfall gives Aidan O'Brien a...

Snowfall gives Aidan O'Brien a ninth win in the Oaks at Epsom

Aidan O'Brien hit with fine fo...

Aidan O'Brien hit with fine for Newmarket Fillies' Mile mix-up

BHA launch enquiry into Ballyd...

BHA launch enquiry into Ballydoyle Fillies' Mile mix-up

Aidan O'Brien horses tested in...

Aidan O'Brien horses tested in Australia following feed contamination

Aidan O'Brien withdraws all of...

Aidan O'Brien withdraws all of his runners at Longchamp

Aidan O'Brien's Arc runners in...

Aidan O'Brien's Arc runners in doubt due to contaminated feed

Serpentine added to Enable's P...

Serpentine added to Enable's Prix de l'Arc de Triomphe challenge

Magical takes another Tattersa...

Magical takes another Tattersalls Gold Cup with ease

Cayenne Pepper tipped to land...

Cayenne Pepper tipped to land Irish Oaks for Jessica Harrington

Santiago could be a Gold Cup c...

Santiago could be a Gold Cup contender at Royal Ascot next year - O'Brien

Aidan O'Brien hails

Aidan O'Brien hails "unbelievable" win by Circus Maximus in Queen Anne Stakes

More Glenburnie glory at Leopa...

More Glenburnie glory at Leopardstown with Listed brace

'A total natural' | Charlie Sw...

'A total natural' | Charlie Swan on the great Champion Hurdler Istabraq

Joseph O'Brien looking to brea...

Joseph O'Brien looking to break more records in Melbourne Cup

A fantastic Friday of horserac...

A fantastic Friday of horseracing at York and The Curragh

O'Brien announces plans for hi...

O'Brien announces plans for his stars on Irish Champions Weekend

Pink can be Pretty at the Curr...

Pink can be Pretty at the Curragh later