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
Grand National race to be televised in high-definition in the UK. In August 2013 Crabbie's was announced as the new sponsor of the Grand National. The three-year deal between the alcoholic ginger beer producer and Aintree saw the race run for a record purse of £1 million in 2014. In March 2016 it was announced that Randox Health would take over from Crabbie's as official partners of the Grand National festival from 2017, for at least five years. The Grand National is run over the National Course at Aintree and consists of two laps of 16 fences, the first 14 of which