Aidan O’Brien

Connections of ‘special’ top horse ‘can’t wait’ to see what next after retirement

‘At one stage we weren’t sure he would live’: horse makes remarkable comeback from infection to secure Gold Cup victory at Royal Ascot

‘Sensational’ colt silences his critics with breathtaking Derby success at Epsom

Meet Derby favourite City Of Troy: ‘I’m not sure we’ve ever sent a horse with as much ability to Epsom for this race’

Remarkable comeback results in trainer notching a record-breaking Derby victory

‘A massive loss to everyone here’: Top racehorse put down after stable injury

Can a record-breaker make it two in a row this afternoon?

Aidan O’Brien claims seventh Derby success at Epsom

Top Irish trainer continues his winning ways with another Derby win

Joseph O'Brien quits race-riding to focus on training

Joseph O'Brien to focus on training point-to-pointers

The Derby-winning jockey has revealed he will be cutting down his riding career to concentrate on training

50-1 outsider produces shock result in Epsom Classic

The 2015 running of the Investec Oaks today (Friday 5 June) was won by a 50-1 shot and the least fancied of trainer Aidan O’Brien’s three runners

Top racing sire put down during colic surgery

The Group One winner and sire of successful racehorses including Toronado has died

Derby and 2,000 Guineas winner Camelot retired to stud

The four-year-old — who narrowly missed out on the Triple Crown last year — was retired by owners Coolmore after being found to be slightly lame

Was wins the Investec Oaks

Trainer Aidan O'Brien takes his fourth Epsom fillies' Classic with a 20-1 shot

Epsom Derby day: a proper race and a proper horse

Catherine Austen reflects on a very special day in the racing calendar

Top racing names honoured at awards ceremony

Paul Nicholls, Ruby Walsh and Aidan O'Brien were among those who received awards at the 42nd annual Horserace Writers and Photographers Association lunch

Buick and Probert share champion Flat apprentice title

Apprentices William Buick and David Probert share the champion apprentice title while Ryan Moore is named champion jockey at the end of the Flat season

Aidan O’Brien fined £5,000 for "team tactics" in Juddmonte International

Multiple Group One-winning trainer Aidan O’Brien and jockeys Johnny Murtagh and Colm O’Donoghue have been found guilty of breaching “team tactics” rules

Halfway to Heaven gives Aidan O'Brien his 17th Group One win of the season

Trainer Aidan O’Brien recorded his 17th Group One win of the season at Glorious Goodwood on Saturday (2 August) with Halfway to Heaven

Henrythenavigator wins 4th consecutive Group One race

Henrythenavigator takes the Sussex Stakes at Goodwood taking his Group One tally to four and trainer Aidan O'Brien's to 16 this year