E.S.B. was a racehorse that is best known for his victory in the 1956 Grand National

1956 Grand National

The 1956 Grand National was the 110th renewal of the world-famous Grand National horse race that took place at Aintree Racecourse near Liverpool, England, in 1956....

, when aged ten.

Trained by Fred Rimell, E.S.B. was ridden by jockey

Jockey

A jockey is an athlete who rides horses in horse racing or steeplechase racing, primarily as a profession. The word also applies to camel riders in camel racing.-Etymology:...

 Dave Dick in the 1956 running of the famous steeplechase

Steeplechase

Steeplechase may refer to:* Steeplechase, an event in horse racing* SteepleChase, a Danish jazz label* Steeplechase , a 1975 arcade game released by Atari...

 at Aintree Racecourse

Aintree Racecourse

Aintree Racecourse is a racecourse in Aintree, Merseyside, England.It was served by Aintree Racecourse railway station until the station closed in the 1960s....

 when the race seemed certain to be won by Devon Loch

Devon Loch

Devon Loch was a famous racehorse that is probably best remembered for its involvement in the 1956 Grand National steeplechase, when owned by Queen Elizabeth, The Queen Mother....

, who held a five-length on the run-in. However, forty yards from the finishing post, Devon Loch suddenly, and inexplicably, half-jumped into the air and collapsed in a bellyflop on the turf. E.S.B. overtook and sealed an unlikely victory, completing the course in 9 minutes 21.4 seconds, one second off the record completion time.

E.S.B.'s win was the first of four for trainer Rimell, who went on to train winners Nicolaus Silver (1961), Gay Trip (1970) and Rag Trade (1976).