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 The record for the most victories in the Grand National is held by Red Rum, who won three times in the 1970s, in addition to coming second twice. Aintree has also been used as a venue for motor racing. The British Grand Prix was staged there on five occasions, in 1955, 1957, 1959, 1961 and 1962. In addition to the Grand Prix, the circuit also held 11 non-championship Formula 1 races, known as the Aintree 200, first won by Stirling Moss in 1954 with the last winner being Jack Brabham, in April 1964. The only driver to have competed in