**Diesis (horse)**
**Definition**
Diesis (1976–2012) was a British-bred Thoroughbred racehorse and influential sire, known for his success as a two-year-old and his impact on breeding.
**Article**
### Background
Diesis was a bay stallion foaled in 1976, bred by Lord Howard de Walden. He was sired by Sharpen Up out of the mare Doubly Sure, making him part of a distinguished bloodline noted for speed and stamina.
### Racing Career
Diesis had a brief but notable racing career, excelling as a two-year-old in 1978. He won the Group 1 Middle Park Stakes and the Group 1 Dewhurst Stakes, establishing himself as one of the leading juveniles of his generation. His promising career was cut short by injury, preventing him from racing at three.
### Stud Record
Retired to stud, Diesis became a successful sire, particularly influential in Europe. He produced numerous stakes winners and was known for passing on precocity and class to his progeny. His descendants have continued to impact Thoroughbred racing and breeding worldwide.
**Meta Description**
Diesis was a British Thoroughbred racehorse and sire, notable for his juvenile racing success and significant influence on European bloodlines.