Kingman was an American Thoroughbred

Thoroughbred

The Thoroughbred is a horse breed best known for its use in horse racing. Although the word thoroughbred is sometimes used to refer to any breed of purebred horse, it technically refers only to the Thoroughbred breed...

 racehorse and the winner of the 1891 Kentucky Derby

Kentucky Derby

The Kentucky Derby is a Grade I stakes race for three-year-old Thoroughbred horses, held annually in Louisville, Kentucky, United States on the first Saturday in May, capping the two-week-long Kentucky Derby Festival. The race is one and a quarter mile at Churchill Downs. Colts and geldings carry...

, Phoenix Stakes

Phoenix Stakes

The Phoenix Stakes is a Group 1 flat horse race in Ireland open to two-year-old thoroughbred colts and fillies. It is run at the Curragh over a distance of 6 furlongs , and it is scheduled to take place each year in July or August.-History:...

 and Latonia Derby

Latonia Derby

The Latonia Derby was an American Thoroughbred horse race run annually from 1883 through 1937 at Latonia Race Track in Latonia, Kentucky. Open to three-year-old horses, for its first 52 years the Latonia Derby was contested at a mile and a half; in 1935, the race was shortened to a mile and a...

. He holds the record for the slowest winning time ever recorded at a Kentucky Derby, at 2:52 1/4. Kingman was ridden in the Derby by Isaac Burns Murphy

Isaac Burns Murphy

Isaac Burns Murphy was an African-American Hall of Fame jockey, who is considered one of the greatest riders in American Thoroughbred horse racing history. Murphy won three Kentucky Derbies.-Early life:...

 and was considered one of the best prospects for winning the 1891 American Derby

American Derby

The American Derby is a Thoroughbred horse race in the United States run annually at Arlington Park in Arlington Heights, Illinois. The inaugural American Derby was held at the city's old Washington Park race track and raced there until 1905 when the facility was closed and the track demolished....

. However, Kingman finished third in that race and won few races of importance thereafter.

Kingman was bought by John E. Madden of Louisville, Kentucky

Louisville, Kentucky

Louisville is the largest city in the U.S. state of Kentucky, and the county seat of Jefferson County. Since 2003, the city's borders have been coterminous with those of the county because of a city-county merger. The city's population at the 2010 census was 741,096...

 in the latter part of 1891 for $5,000 at the Jacobin Stable dispersal sale. Kingman did not race after three years old and died in 1893 at the age of five.