2004 racehorse births

Thoroughbred racemare from Japan

Japanese-bred Thoroughbred racehorse

Curlin (foaled March 25, 2004, in Kentucky) is an American Thoroughbred racehorse who was the American Horse of the Year in both 2007 and 2008. He retired in 2008 as the highest North American money earner with over US$10.5 million accumulated. His major racing wins included the 2007 Preakness Stakes, 2007 Breeders' Cup Classic, and 2008 Dubai World Cup. In August 2008, Timeform assigned a 134 rating for Curlin, calling him the best horse in the world on dirt. Curlin was elected to the National Museum of Racing's Hall of Fame in 2014, his first year of eligibility.

Zenyatta (foaled April 1, 2004) is a champion American Thoroughbred racehorse who won the Breeders' Cup Classic and Breeders' Cup Distaff and 19 of her 20 starts. She was the 2010 American Horse of the Year, and Champion Older Female in 2008, 2009, and 2010. She was inducted into the National Museum of Racing and Hall of Fame in 2016.

Japanese-bred Thoroughbred racehorse

Thoroughbred racehorse