Aidan O’Brien: trainer’s dual-Group One winner Air Force Blue will attempt to secure  a fourth Dewhurst victory and cement his position as favourite for next year’s 2,000 Guineas. Photograph:  Dan Sheridan/Inpho

The scene is set for an intriguing superpower clash between Air Force Blue and Emotionless at Newmarket this Saturday which could well identify Europ(...)

Pat Smullen riding Covert Love (orange) to glory in  Prix De L’Opera. They got the better of a sustained duel with Frankie Dettori on Jazzi Top. Photograph:  Alan Crowhurst/Getty Images

Pat Smullen was out of luck in the Arc on board Free Eagle but Ireland’s champion jockey struck Group One gold in the preceding Prix de l’Opera with (...)

Frankie Dettori riding Golden Horn to win The Qatar Prix De L’Arc De Triomphe at Longchamp racecourse  in Paris, France. Photograph: Alan Crowhurst/Getty Images

Golden Horn and Frankie Dettori clinched a brilliant victory in the Prix de l’Arc de Triomphe at Longchamp. John Gosden’s Derby hero and subsequent wi(...)

The Aidan O’Brien-trained Found will be hoping to make history in Sunday’s Arc. Photograph: Alan Crowhurst/Getty Images

Sunday’s Prix de l’Arc de Triomphe is set to revolve around Treve’s bid for a unique hat-trick of victories in Europe’s most coveted all-aged prize, b(...)

John Oxx’s Red Stars has a high draw and Jim Bolger’s Silvercups to overcome in the opening maiden at Roscommon today. Photograph: Lorraine O’Sullivan/INPHO

Just four line up for Roscommon’s featured Grade 3 novice chase and it could turn into a match between course and distance winner The Game Changer an(...)

Trainer Aidan O’Brien targeting a record-breaking 15th Juddmonte Beresford Stakes success. Photograph: Morgan Treacy/Inpho

Aidan O’Brien is targeting in strength what could be a record-breaking 15th Juddmonte Beresford Stakes success at the Curragh on Sunday. The Group (...)

Ryan Moore (orange and blue cap)  rides Legatissimoto win TheQipco 1000 Guineas Stakes at Newmarket in May. Photograph: Charlie Crowhurst/Getty Images

A QIPCO Irish Champion Stakes pot already bubbling with ‘race of the season’ possibilities has a potential new ingredient with the classic-winning fi(...)

 The Grey Gatsby edges out Australia in last year’s Irish Champion Stakes, which was ranked 11th on the 2014 World list. Photograph: Morgan Treacy/Inpho.

Leopardstown officials are confidently anticipating an attendance hike of at least 10 per cent for Saturday week’s first leg of ‘Longines Champions(...)

“The evidence was clear on paper and we could repeatedly prove it, but people wanted to see it demonstrated step by step through the lifecycle of the horse.” Donal Ryan, with Emmeline Hill and Jim Bolger. Photograph: Nick Bradshaw

Former US defence secretary Donald Rumsfeld was pilloried for his use of the phrase “unknown unknowns” during a press briefing in 2002. In fact, th(...)

Bocca Baciata ridden by Fran Berry on the way to winning the Dance Design  Stakes at the Curragh yesterday. Photograph:  Brian Lawless/PA Wire

Maybe it’s her National Hunt pedigree, but Jessica Harrington could end up swimming against the popular tide by keeping her fingers crossed for a damp(...)