The term 'Derby Track' refers to two famous horse racing tracks: the OVAL and Epsom. The OVAL is a four-letter word and Epsom is a five-letter word. Both tracks are known for hosting the prestigious Epsom Derby, a flat horse race that has been held annually since 1780. The Epsom Derby is one of the most important and prestigious flat races in the world and is often referred to as 'The Greatest Race in the World'. The OVAL is located in Surrey, England and Epsom is located in Surrey, England.