Grand National the public the chance to ride in a flat race at Aintree on Grand National day. In total, thirty members of the public took part in the event before it was discontinued in 2010. In 2009, Mon Mome became the longest-priced winner of the National for 42 years when he defied outside odds of 100/1 to win by 12 lengths. The victory was also the first for trainer Venetia Williams, the first female trainer to triumph since Jenny Pitman in 1995. The race was also the first National ride for Liam Treadwell. In 2010 the National became the first horse
2004 Grand National it was 16–1 shot Amberleigh House who finished first, three lengths ahead of Clan Royal, who in turn was two lengths from Lord Atterbury. The winning horse was trained by Ginger McCain, who secured his fourth Grand National win, 31 years after his first with Red Rum. 11 of the 39 starters completed the course, with all of the fallers returning safely to the stables. The public gambled an estimated £200 million on the outcome of the race but no clear favourite emerged as four horses started off as joint-favourites. 2002 National winner Bindaree was one of the 10–1 joint-favourites