Constitution Hill expected to step up in style at Aintree

The Champion Hurdle hero faces an extra half-mile on Merseyside, but his big-race rider Nico de Boinville is unconcerned

SUPERSTAR AT WORK: A class apart in the Champion Hurdle, Constitution Hill should blow away his opposition at Aintree on Thursday. Picture: David Davies/PA 

Constitution Hill tops the bill on day one of the Grand National meeting as the sport's pre-eminent star bids to put the seal on a magnificent campaign with victory in the William Hill Aintree Hurdle.

There is very little to say about Nicky Henderson's six-year-old that has not already been said, with six racecourse outings to date yielding six sensational victories.