Horse racing is an equestrian sport, involving two or more jockeys riding horses over a set distance for competition. It is one of the most ancient of all sports and its basic premise – to identify which of two or more horses is the fastest over a set course or distance – has remained unchanged since the earliest times.<ref name=EB/>
Horse races vary widely in format. Often, countries have developed their own particular horse racing traditions. Variations include restricting races to particular breeds, running over obstacles, running over different distances, running on different track surfaces and running in different gaits.
While horses are sometimes raced purely for sport, a major part of horse racing's interest and economic importance lies in the gambling associated with it,<ref name=GamblingImpactStudy/> an activity that in 2008 generated a world-wide market worth around US$115 billion.<ref name=Intfed/>
Horse racing sections
Intro History Types of horse racing Breeds Training Horse racing by continent Betting Criticism Dangers See also References Bibliography
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