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
1998 Grand National 1998 Grand National The 1998 Grand National (known as the Martell Grand National for sponsorship reasons) was the 151st official renewal of the world-famous Grand National steeplechase that took place at Aintree near Liverpool, England, on 4 April 1998. The race was won in a time of 10 minutes and 51.5 seconds and by a distance of 11 lengths by the 7/1 favourite Earth Summit, ridden by jockey Carl Llewellyn. The winner was trained by Nigel Twiston-Davies at Grange Hill Farm in Naunton, Gloucestershire, and ran in the colours of the six-member Summit Partnership, which included Aintree press officer Nigel