Arkle

 In 1964, Arkle's  first-place finish  in the Cheltenham Gold Cup  was  the first big  win by  Ireland's most  celebrated  racehorse: the horse  by which  all others are measured. Fifty years on from  the start of his incredible career - which included wins in  the Cheltenham Gold Cup (three times), Irish Grand National, Hennessy Gold Cup, King George VI Chase and Punchestown Gold Cup  -...