 In recent years the Breeders' Cup races, run at the end of the year, have challenged the Triple Crown events as determiners of the three-year-old champion.The Breeders' Cup is normally held at a different track every year; however, the 2010 and 2011 editions were both held at Churchill Downs, and 2012, 2013 and 2014 races were held at Santa Anita Park.Keeneland, in Lexington, Kentucky, hosted the 2015 Breeders' Cup.