AP McCoy - Grand National Day Preview
The big day has finally arrived at Aintree and at 4.15pm we will be underway in the 167th running of the World's greatest steeplechase - the Grand National.
Champion Jockey AP McCoy rides in the race for a record-equalling 19th time and joins Mark Walton to look ahead to the action.
AP discusses the chances of his Grand National mount, Double Seven, and goes through the other six races on the card at Aintree.
Listen to William Hill Racing Radio to hear all of the racing this afternoon.
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