2013 Grand National to modifications made for the previous year's race, Aintree announced that a number of further changes had been made for the 2013 National. Twelve of the 16 fences on the course were rebuilt with the timber frames within them replaced by a softer material known as "plastic birch". The fences are still covered with at least 14 inches of spruce and will remain the same height. The starting line was also moved 90 yards closer to the first fence, further away from the spectators' stands and thereby reducing slightly the overall distance. Aintree and the Professional Jockeys' Association jointly issued
1844 Grand National by Sir Hercules out of Minikin and was originally named Magnum Bonum. 1844 Grand National The 1844 Grand Liverpool Steeplechase was the ninth annual running of a handicap steeplechase, later to be regarded as the sixth official running of the Grand National Steeplechase, a horse race which took place at Aintree Racecourse near Liverpool on Wednesday 28 February 1844 and attracted a field of 16 runners from a field of 41 entrants. It was won by the 5/1 co favourite, Discount, ridden by John Crickmere. The only change to the course recorded by the reporter of the Liverpool Mercury was