Aintree Racecourse fear into the most professional of jockeys. All fences bar the water jump are covered with spruce, unlike at any other course in British National Hunt racing. Four other races take place over the National fences. These are the Topham Chase (formerly known as the John Hughes Trophy Chase) and the Fox Hunters' Chase at the Grand National meeting, and the Grand Sefton Handicap Chase and Becher Chase in the December meeting. Within the large National course there is also the smaller Mildmay course containing hurdles and fences. These fences are made of traditional National Hunt material. The National and
Grand National Parts of the course were widened in 2009 to allow runners to bypass fences if required. This was utilised for the first time during the 2011 race as casualties at fences 4 and 6 (Becher's Brook) resulted in marshals diverting the remaining contenders around those fences on the final lap. Welfare groups have suggested a reduction in the size of the field (currently limited to a maximum of 40 horses) should be implemented. Opponents point to previous unhappy experience with smaller fields such as only 29 runners at the 1954 Grand National, only 31 runners in 1975, and a fatality