2012 Marks the 54th Annual Washington International Horse Show. This show is an equestrian tradition since 1958. The Washington International Horse Show is the country's leading metropolitan indoor horse show and the pinnacle of the equestrian year with leading riders, including Olympic medalists, and fabulous horses. More than 500 horses participate in show jumping, hunter and equitation events during the six-day show. Two performances are held daily, except Sunday Book Your Room Now!