British racetrack is a term used to refer to the various horse racing tracks located in the United Kingdom. Two of the most famous British racetracks are Epsom and ASCOT, both of which have been in operation since the 17th century. Epsom is located in Surrey and is home to the Epsom Derby, one of the oldest and most prestigious horse races in the world. ASCOT is located in Berkshire and is home to the Royal ASCOT, an annual event attended by members of the British royal family. RAIL is another popular British racetrack located in Doncaster, while ODDS is located in Newmarket.