La Troienne Stakes in 2007, Louisville Stakes in 2008 and Louisville Distaff Stakes in 2009. In 2010 the race was renamed after the famous broodmare La Troienne. La Troienne Stakes The La Troienne Stakes is a Grade I American Thoroughbred horse race for fillies and mares, age four and older, over a distance of miles held at Churchill Downs in Louisville, Kentucky. It is on the same day as the Kentucky Oaks, on the day before the Kentucky Derby (which is held on the first Saturday in May) . The current purse is $300,000. This race was upgraded to a Grade I for
American Champion Three-Year-Old Filly American Champion Three-Year-Old Filly The American Champion Three-Year-Old Filly is an American Thoroughbred horse racing honor awarded annually to a female horse in Thoroughbred flat racing. It became part of the Eclipse Awards program in 1971. The award originated in 1936 when both the "Daily Racing Form" (DRF) and Turf and Sports Digest (TSD) magazine began naming an annual champion. Starting in 1950, the Thoroughbred Racing Associations (TRA) began naming its own champion. The following list provides the name of the horses chosen by these organizations. There were several disagreements, with more than one champion being recognized on five occasions.