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
1955 Grand National Queen Elizabeth II and Princess Margaret. Several fences had been reduced in severity following an outcry over four equine fatalities in the previous year's National. The heavy going meant the 16th fence (the Water Jump) was omitted — the first time in Grand National history that not all 30 fences were jumped. 1955 Grand National The 1955 Grand National was the 109th renewal of the Grand National horse race that took place at Aintree Racecourse near Liverpool, England, on 26 March 1955. Thirty horses ran in the race, which was won by 100/9 shot Quare Times, who was ridden by