Constitution Hill Set for Serious Test at Kempton on Saturday Constitution Hill, Nicky Henderson's top class horse, is set to face a stern examination of his big race ambitions in the William Hill September Stakes at Kempton Park on Saturday.
The nine year old has made headlines with his transition from hurdle racing to the flat, and this weekend's contest promises to be a serious test of his skills.
Constitution Hill's ability to adapt and thrive across different disciplines is not unique among top class horses.