Get ready for the Grand National , the highlight of the racing year , with our must-watch preview from the paddock at Aintree . Sportsmail 's Racing Correspondent Marcus Townend and Britain 's No 1 tipster Sam Turner cast their eye over the 39-strong field for the race and offer their predictions . Will AP McCoy 's glittering career conclude with a fairytale victory for favourite Shutthefrontdoor , a result that would cause 70,000 spectators to raise the roof and wipe out the bookies ? Or will one of the other contenders take their place in history ? Find out by clicking play on the video below . Sorry we are not currently accepting comments on this article .
Daily Mail racing correspondent Marcus Townend and tipster Sam Turner cast their eye over the field for the Grand National in our preview video . Shutthefrontdoor and AP McCoy will start the race as favourite .