The 2009 Capital Challenge Horse Show marks the sixteenth year for the competitive event held each autumn at the Prince George’s Equestrian Center in Upper Marlboro, MD. Unlike other fall indoor horse shows, the Capital Challenge does not require most of the riders attending to qualify in order to compete, with the exception of two events. Riders competing in the ARIAT National Adult Medal and Taylor Harris Insurance Services (THIS) National Children’s Medal spend a year collecting points at shows across the country in order to qualify for the year-end finals held at the Prince George’s Equestrian Center.