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
Aintree Racecourse are closed when the course is used for horse or motor racing. It was served by Aintree Racecourse railway station until the station closed in 1962; it is now served by Aintree railway station, which is situated outside the racecourse. Aintree Racecourse Aintree Racecourse is a racecourse in Aintree, Liverpool, England. The racecourse is best known for annually holding the world-famous Grand National steeplechase. The course is home of the Grand National steeplechase, one of the most famous races in the world. Steeplechasing at Aintree was introduced in 1836, though flat racing had taken place there for many years prior