If a trainer’s confidence was a guide to winning the Randox Grand National, The Big Dog would be already be home and hosed.

For a horse who has won a Grand National trial, two of the most competitive handicap chases in Ireland, finished third in the Welsh National and was in front of Galopin Des Champs when falling two out in the Irish Gold Cup, The Big Dog heads to Aintree under the radar.

The Big Dog is firmly on course for the Randox Grand National on April 15 following a successful racecourse schooling session at Navan.

Peter Fahey will seek back-to-back victories in the Betfair Imperial Cup with Zoffany Bay, who is one of 30 entries for the Sandown handicap.

The Big Dog has been given a clean bill of health following his fall in the Irish Gold Cup at Leopardstown, with trainer Peter Fahey reporting it is all systems go for a tilt at the Randox Grand National on April 15.