![Rachael Blackmore facing an uphill struggle in her bid to retain her Grand National crown](/img/di/rachael-blackmore-facing-an-uphill-struggle-in-her-bid-to-retain-her-grand-national-crown-1.jpg)
Rachael Blackmore facing an uphill struggle in her bid to retain her Grand National crown
Minella Times and Rachael Blackmore were history-makers in last year's
Grand National
and will have to produce another landmark performance to win again at Aintree on Saturday.
Minella Times is now top weight and will have to shoulder 11st 10lb after the unexpected scratching of his Henry De Bromhead-trained stablemate Chris's Dream.
If Blackmore's…