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 Payne and former Hereford United footballer Ricky George. Thirty-seven runners took part and six completed the course without mishap, but three horses were fatally injured during the race. The main race was seen by the smallest Grand National attendance at Aintree since 1985, with a crowd of just 46,679, over 11,000 less than two years prior. It came a year after the 1997 Grand National had to be postponed due to a bomb threat. Earth Summit was made the 7/1 favourite, backed down from 10/1 on the morning of the race, after heavy rain on raceday made the ground officially