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 Hurdle overtaken. Since 2017 the race has been sponsored by Betway. Most successful horse (4 wins): Leading jockey (5 wins): Leading trainer (5 wins): Aintree Hurdle The Aintree Hurdle is a Grade 1 National Hunt hurdle race in Great Britain which is open to horses aged four years or older. It is run at Aintree over a distance of about 2 miles and 4 furlongs , and during its running there are eleven hurdles to be jumped. The race is scheduled to take place each year in early April. The event was established in 1976, and it was originally run over