- 62 year(s)
The greatest age reliably recorded for a horse is 62 years for Old Billy (foaled 1760), bred by Edward Robinson of Woolston, Lancashire, UK. Old Billy died on 27 November 1822. <br /> Thoroughbred   The oldest recorded thoroughbred racehorse was the 42-year-old chestnut gelding Tango Duke (foaled 1935), owned by Carmen J. Koper of Barongarook, Victoria, Australia. The horse died on 25 January 1978.