Secretariat, Man O' War and Citation were the only non-humans to make the top 100 athletes in the 20th Century. Secretariat was number 35, Man O' War was number 84, and Citation was number 97 .
Secretariat was an American Thoroughbred racehorse,that in 1973 became the 1st U.S. Triple Crown champion in 25 years,setting new race records in 2 of the 3 events in the Series—the Kentucky Derby,and the Belmont Stakes-records that still stand today
