One of the most ancient sports known to mankind, horse racing remains a popular sport across the globe. Archeological findings show that horse racing existed in Ancient Greece, Babylon, Egypt, Ancient Rome, and many other ancient civilizations. By the 7th century BCE, both chariot and mounted races became part of the Greek Olympic Games.   While the main premise of the race — determining which one of two or several competing horses is the fastest on the given distance — has largely remained intact throughout most of its existence, formats do vary greatly. Some races include obstacles, they may vary in...