25,000: The number of women who attended Ladies' Day yesterday. The number to return home with their shoes in their hands after underestimating both height and level of discomfort from wearing three-inch heels all day is yet to be confirmed.
£500 million: The amount estimated that the British and the Irish will bet over the period. What recession?
75,000: The number of cups of tea served during the meeting to calm the nerves.
7,000: Bottles of champagne and 5,000 cocktails will be sipped by the celebrating and the despairing racegoers alike.
17: The age of the youngest jockey to have won the National, Bruce Hobbs with Battleship in 1938.
£35,000: The value of the prize for last year's Most Stylish Racegoer on Ladies' Day. The prize included a Caribbean holiday, a car and a photo shoot. As if it couldn't get any better, it was presented by Coleen Rooney (pictured right, at Ladies' Day yesterday).
£7,500: The value of the prize for this year's Most Fashionable Lady on Ladies' Day, in the form of a Raindance ring by Boodles, presented by TV interior designers Colin McAllister and Justin Ryan.
2: The number of greys to have won the National. The last was in 1961, aptly named Nicolaus Silver. Two is also the smallest number of horses ever to finish the race, in 1928.
494: The length in yards from the last fence to the finish, the longest in the country.
4: The number of horses the National's psychic, Dean "Midas" Maynard, has predicted to have a chance of winning. They are: Snowy Morning, Big Fella Thanks, Niche Market and Backstage.
15: The age of the oldest horse, Peter Simple, ever to win, in 1853.
2005: The year the race was put back by 25 minutes as a result of the wedding of Prince Charles and Camilla Parker Bowles. No information is available on whether the happy couple watched the race over their wedding breakfast.
70,000: The number of people expected to attend the Grand National this year.
£925,000: The record prize-money for the winning owner this year; 10 per cent goes to the trainer and 10 per cent to the jockey.
30: The average percentage of horses that manage to finish the race and also the number of fences needed to be cleared, with Khachaturian, pictured below in yesterday's Mildmay Novices' Chase, showing how hard it can be. The highest fence, called The Chair, stands at 5ft 3in.Reuse content