Clare Balding will miss the Grand National to host the Boat Race . Oxford rowing race clashes with the Aintree event . This year is the first time the women 's race will be shown on TV . Presenter , 44 , has covered the annual Aintree event for 21 years . Balding has never covered the Oxford Boat Race .
Clare Balding will miss the Grand National to host the Boat Race . Oxford-Cambridge rowing race clashes with the Aintree event . This year is the first time the women 's race will be shown on TV . Presenter , 44 , has covered the annual Aintree event for 21 years . Balding has never covered the Oxford-Cambridge Boat Race .