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
2012 Grand National 2012 Grand National The 2012 Grand National (known as the John Smith's Grand National for sponsorship reasons) was the 165th annual renewal of the Grand National horse race at Aintree Racecourse near Liverpool, England. The showpiece steeplechase, which concluded a three-day meeting which is one of only four held at Aintree throughout the year, took place on 14 April 2012. The maximum permitted field of 40 runners ran the last-ever of Aintree's National Course featuring 30 fences, competing for record prize money of £975,000, making it the highest-valued National Hunt race in the United Kingdom. Aintree had made a number