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
Irish Grand National & Annie Sweeney in association with Francis Hyland ; photographs by Caroline Norris ... [et al.]. Irish Grand National The Irish Grand National is a National Hunt steeplechase in Ireland which is open to horses aged five years or older. It is run at Fairyhouse over a distance of about 3 miles and 5 furlongs (5,834 metres), and during its running there are twenty-four fences to be jumped. It is a handicap race, and it is scheduled to take place each year on Easter Monday. It is the Irish equivalent of the Grand National, and it is held during Fairyhouse's