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
2011 Grand National I'm going to get the National banned." Aintree's managing director Julian Thick said: "We are desperately sad at the accidents during the running of the Grand National today and our thoughts go out to the connections of Ornais and Dooneys Gate... Only the best horses and the best jockeys are allowed to enter and all horses are inspected by the vet when they arrive at Aintree to ensure that they are fit to race. This year we had 20 horse-catchers, at least two attendants at each of the 16 fences, four stewards to inspect the course, two BHA course inspectors,