Greyhound was a grey Standardbred gelding by Guy Abbey out of Elizabeth by Peter the Great.

In 1935, he won the Hambletonian race and in 1938 he lowered the record time for trotting the mile to 1:55¼.

[7] During the year he won the Empire State Trot at Syracuse and the Transylvania at Lexington as well as Grand Circuit wins at Old Orchard Beach and Springfield, Illinois.

[1] In a time trial at Indianapolis he reduced the world record for 1+1⁄2 miles by almost 10 seconds to 3.02 1/2.

[9] He trotted in 1.56 3/4 over a slow track at Indianapolis on August 30 before returning to Lexington to try to break his record.

[9] He had trotted 25 two-minute miles and at one time held fourteen world records.

During his twenty-five years of retirement, Greyhound was immensely popular among horse enthusiasts around the country.

[12] Greyhound was honored as Trotter of the Century by the Hall of Fame after his death.

[13] He was again voted Trotter of the Century when in 1999 Hoof Beats, the official journal of the United States Trotting Association bestowed a similar honor upon him.