Washington, D.C. – The 2016 WIHS Regional Horse Show & USHJA Zone 3 Championship, presented by The Linden Group at Morgan Stanley, was hosted at Prince George’s Equestrian Center (PGEC) in Upper Marlboro, MD, on Friday, October 21, through Sunday, October 23. The event offers local and regional riders a final chance to qualify to compete at this week’s Washington International Horse Show (WIHS), one of the most prestigious and entertaining equestrian events in North America. WIHS begins Tuesday, October 25, and continues through Sunday, October 30, at Verizon Center in Washington, D.C., offering elite equestrian competition that showcases the best of the hunter, jumper, and equitation disciplines.