If you are thinking of betting on the 2009 Aintree Grand National then here are a few facts to consider when choosing which horse to place your Grand National bet on.

Age

Nine-year-olds hold the best record for the Aintree Grand National, with 34 9-year-olds having won the Aintree Grand National since 1900. Eleven-year-olds also have a good record in the Grand National.

Sex

Only 13 mares have won the Aintree Grand National. The last mare to win the Grand National was in 1951.

Weight

23 out of the last 26 winners of the Aintree Grand National were carrying less than 11 stone.

Summary

A 9 year old gelding, carrying less than 11 stone that has been run (and won) races over 3 miles must be worth a bet and this suggests the following runners (number of wins over 3 miles in brackets).

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