In jump racing of all types, and particularly in steeplechases, the first obstacle is often the most perilous because the horses haven't gotten into rhythm.

WSJ: Why They Fear Aintree's First

Of the 9, 700 steeplechases that take place each year, an average of 45 result in horses being put down, figures from the British Horseracing Board reveal.

BBC: Horses

He races steeplechases in his spare time.

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